For Use With For Use With |
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Detects Detects |
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Maximum Flow Maximum Flow |
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Flow Measurement Scale Flow Measurement Scale |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Fitting Material Fitting Material |
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Outlet Flow Range Outlet Flow Range |
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Seal Material Seal Material |
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Environment Environment |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Flowmeters and Totalizers
Flowmeters measure the rate of flow for a liquid or a gas. Totalizers measure the cumulative flow volume. Flowmeter/totalizers display both the flow rate and the cumulative flow volume.
More
About Gas Regulators
More
Portable Multi-Gas Detectors

When this detector senses high levels of combustible and toxic gases, it alerts you with an audible alarm, warning light, and vibrating alarm. You can adjust the alarm trigger points to suit your environment. There is also a motion sensor that sounds an alarm if the user becomes disabled.
A calibration check must be performed on the detector before each use to verify that it is working properly. The check requires a regulator and cylinder (sold separately).
Note: LEL is lower explosive limit.
Detects (Measuring Range) | Volume | Temperature Range, °F | Batteries Included | Environmental Rating | Each | |
Acetone, Butane, Hydrogen, Methane, Pentane, Propane, Toluene (0-100% LEL); Oxygen (0-30% Vol.); Carbon Monoxide (0-1,999 ppm); Hydrogen Sulfide (0-200 ppm) | 95 dBA @ 30 cm. | -40° to 140° | Yes | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 0 Groups IIC, IIB, IIA IP68 | 00000000 | 0000000 |
Portable Multi-Gas Detectors with Probe

Use the probe to test the air in a hazardous area before entering. Great for confined spaces. This detector alerts you with an audible alarm, warning light, and vibrating alarm in the presence of combustible and toxic gases. You can adjust the alarm trigger points to suit your environment. There is also a motion sensor that sounds an alarm if the user becomes disabled.
A calibration check must be performed on the detector before each use to verify that it is working properly. The check requires a regulator and cylinder (sold separately).
Note: LEL is lower explosive limit.
Detects (Measuring Range) | Volume | Temperature Range, °F | Batteries Included | Includes | Tube Lg., ft. | Environmental Rating | Each | |
Acetone, Butane, Hydrogen, Methane, Pentane, Propane, Toluene (0-100% LEL); Oxygen (0-30% Vol.); Carbon Monoxide (0-1,999 ppm); Hydrogen Sulfide (0-200 ppm) | 95 dBA @ 30 cm. | -40° to 140° | Yes | Sampling Probe, Tubing Assembly, Rechargeable Lithium Ion Battery for Probe | 25 | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 NEC Zone 0 Groups IIC, IIB, IIA IP68 | 00000000 | 000000000 |
Surface-Mount Multi-Gas Detectors

An audible alarm and warning light alert you to the presence of propane, methane, hydrogen, and carbon monoxide. This detector has a relay for connection to auxiliary alarm systems. A programmable timer allows you to set whether the relay alarm is triggered immediately, or after 4 or 8 minutes of continuous gas exposure. The reset button suspends the alarm and restarts the cycle for 5 to 8 minutes in case of false alarm.
Detects (Trigger Point) , ppm | Volume | Temperature Range, °F | Ht. | Wd. | Dp. | Voltage | Cord Lg., ft. | Fasteners Included | Mounting Hole Dia. | Each | |
Propane (420); Methane (5,000); Hydrogen (200); Carbon Monoxide (150) | 80 dB @ 10 ft. | -20° to 120° | 6 3/4" | 3 1/4" | 1 3/4" | 120V AC | 6 | No | 3/16" | 0000000 | 0000000 |
Carbon Dioxide Meters

Measure and display real-time indoor ventilation quality. These meters operate with the included universal AC adapter or six AAA batteries. They have automatic baseline calibration. Transfer and view data on your computer using their USB cable and software.
Measuring Range, ppm | Temperature Range, ° F | Mount Type | Ht. | Wd. | Dp. | Power Source | Batteries Included | Number of Batteries Required | Battery Size | Electrical Connection | Voltage | Cord Lg., ft. | Each | |
0-9,999 | 32° to 122° | Portable | 8 1/4" | 2 1/2" | 1 1/2" | Battery, Electric | Yes | 6 | AAA | Plug In | 240V AC | 3 | 000000000 | 0000000 |
Oxygen Detectors

When your work area has too much or too little oxygen, these detectors alert you with an audible alarm, warning light, and vibrating alarm. You can adjust the high and low alarm trigger points to suit your environment.
A calibration check must be performed on the detector before each use to verify that it is working properly. The check can be performed with the press of a button.
The detector with a nonreplaceable battery should be thrown away at the end of its two-year lifespan.
Measuring Range, % Vol. | Volume | Ht. | Wd. | Dp. | Temperature Range, °F | Batteries Included | Battery Chemistry | Environmental Rating | Each | |
Detectors with Nonreplaceable Battery | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
0-25 | 95 dBA @ 30 cm. | 3 1/2" | 2" | 1" | -4° to 122° | Yes | Lithium | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Group G NEC Zone 0 Groups IIC, IIB, IIA IEC Zone 1 Groups IIC, IIB, IIA IP67 | 00000000 | 0000000 |
Detectors with Replaceable Battery | ||||||||||
0-25 | 95 dBA @ 30 cm. | 3 1/2" | 2" | 1" | -4° to 122° | Yes | Lithium | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Group G NEC Zone 0 Groups IIC, IIB, IIA IEC Zone 0 Groups IIC, IIB, IIA | 00000000 | 000000 |
Batteries (Pkg. of 1) | 0000000 | Pkg. | 000000 |
Early-Warning Surface-Mount Hydrogen Detectors

This detector triggers a “caution” alert when a small amount of hydrogen is detected and a second “danger” alert if levels continue to rise. When hydrogen concentration reaches 1% by volume, a yellow warning light illuminates and the first relay closes to trigger a remote exhaust fan and/or alarm. When hydrogen reaches 2%, a red warning light illuminates, an alarm sounds, and the second relay closes to activate another remote exhaust fan and/or alarm.
Use the optional remote and cable to keep an eye on the detector’s alert status from a distance. Remote has a buzzer and the same yellow and red warning lights as the detector.
Trigger Point, % Vol. | Volume | Temperature Range, ° F | Ht. | Wd. | Dp. | Electrical Connection | Voltage | Fasteners Included | Mounting Hole Dia. | Each | |
1; 2 | 60 dB @ 10 ft. | 14° to 104° | 7" | 4 3/4" | 2 1/2" | Screw Terminals | 120V AC, 240V AC | No | 3/16" | 00000000 | 0000000 |
Surface-Mount Hydrogen Detectors

An audible alarm and warning light alert you to the presence of hydrogen. This detector has a relay for connection to auxiliary alarm systems. A programmable timer allows you to set whether the relay alarm is triggered immediately, or after 4 or 8 minutes of continuous gas exposure. The reset button suspends the alarm and restarts the cycle for 5 to 8 minutes in case of false alarm.
Trigger Point, ppm | Volume | Temperature Range, ° F | Ht. | Wd. | Dp. | Voltage | Cord Lg., ft. | Fasteners Included | Mounting Hole Dia. | Each | |
8,000 | 80 dB @ 10 ft. | -20° to 120° | 6 3/4" | 3 1/4" | 1 3/4" | 120V AC | 6 | No | 3/16" | 0000000 | 0000000 |
Propane Detectors

An audible alarm and warning light alert you to the presence of propane. This detector has a relay for connection to auxiliary alarm systems. A programmable timer allows you to set whether the relay alarm is triggered immediately, or after 4 or 8 minutes of continuous gas exposure. The reset button suspends the alarm and restarts the cycle for 5 to 8 minutes in case of false alarm.
Trigger Point, ppm | Volume | Temperature Range, ° F | Ht. | Wd. | Dp. | Voltage | Cord Lg., ft. | Fasteners Included | Mounting Hole Dia. | Each | |
4,200 | 80 dB @ 10 ft. | -20° to 120° | 6 3/4" | 3 1/4" | 1 3/4" | 120V AC | 6 | No | 3/16" | 0000000 | 0000000 |
Hydrogen Sulfide Detectors

When these detectors sense high levels of hydrogen sulfide, they alert you with an audible alarm, warning light, and vibrating alarm. You can adjust the alarm trigger point to suit your environment.
A calibration check must be performed on the detector before each use to verify that it is working properly. The check requires a regulator, tubing, and cylinder (sold separately).
The detector with a nonreplaceable battery should be thrown away at the end of its two-year lifespan.
Measuring Range, ppm | Volume | Temperature Range, °F | Ht. | Wd. | Dp. | Batteries Included | Environmental Rating | Each | |
Detectors with Nonreplaceable Battery | |||||||||
---|---|---|---|---|---|---|---|---|---|
0-100 | 95 dBA @ 30 cm. | -4° to 122° | 3 1/2" | 2" | 1" | Yes | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Group G NEC Zone 0 Groups IIC, IIB, IIA IEC Zone 1 Groups IIC, IIB, IIA IP67 | 00000000 | 0000000 |
Detectors with Replaceable Battery | |||||||||
0-200 | 95 dBA @ 30 cm. | 14° to 104° | 3 1/2" | 2" | 1" | Yes | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 IEC Zone 0 Groups IIC, IIB, IIA IP67 | 00000000 | 000000 |
Portable Carbon Monoxide Detectors

When these detectors sense high levels of carbon monoxide, they alert you with an audible alarm, warning light, and vibrating alarm. You can adjust the alarm trigger point to suit your environment.
A calibration check must be performed on the detector before each use to verify that it is working properly. The check requires a regulator, tubing, and cylinder (sold separately).
The detector with a nonreplaceable battery should be thrown away at the end of its two-year lifespan.
Measuring Range, ppm | Volume | Temperature Range, °F | Ht. | Wd. | Dp. | Batteries Included | Environmental Rating | Each | |
Detectors with Nonreplaceable Battery | |||||||||
---|---|---|---|---|---|---|---|---|---|
0-500 | 95 dBA @ 30 cm. | -4° to 122° | 3 1/2" | 2" | 1" | Yes | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Group G NEC Zone 0 Groups IIC, IIB, IIA IEC Zone 1 Groups IIC, IIB, IIA IP67 | 00000000 | 0000000 |
Detectors with Replaceable Battery | |||||||||
0-2,000 | 95 dBA @ 30 cm. | 14° to 104° | 3 1/2" | 2" | 1" | Yes | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Class III Divisions 1, 2 IEC Zone 0 Groups IIC, IIB, IIA IP67 | 00000000 | 000000 |
Methane Detectors

An audible alarm and warning light alert you to the presence of methane. This detector has a relay for connection to auxiliary alarm systems. A programmable timer allows you to set whether the relay alarm is triggered immediately, or after 4 or 8 minutes of continuous gas exposure. The reset button suspends the alarm and restarts the cycle for 5 to 8 minutes in case of false alarm.
Trigger Point, ppm | Volume | Temperature Range, ° F | Ht. | Wd. | Dp. | Voltage | Cord Lg., ft. | Fasteners Included | Mounting Hole Dia. | Each | |
10,000 | 80 dB @ 10 ft. | -20° to 120° | 6 3/4" | 3 1/4" | 1 3/4" | 120V AC | 6 | No | 3/16" | 0000000 | 0000000 |
Easy-Read Tank-Mount Pressure-Regulating Valves with Flowmeter for Inert Gas




- For Use With: See Table
Flowmeters let you see the gas flow rate from a distance. These valves automatically reduce a high inlet pressure from compressed gas tanks to a lower, stable outlet pressure. All have Compressed Gas Association (CGA) numbered inlet fittings for secure connections to compressed gas tanks. Choose a valve with the same CGA number as your tank and other system components. They have a gauge for monitoring inlet pressure from the tank.
Single-stage valves reduce pressure in one step, which causes the outlet pressure to fluctuate slightly as you empty the tank. They’re best for applications where a constant outlet pressure isn’t critical.
Two-stage valves progressively reduce pressure over two steps for more consistent outlet pressure at all times. They’re often used in applications that require a constant outlet pressure regardless of the tank level.
Valves with one flowmeter are for one piece of equipment on a tank. The flowmeter has a single scale.
Valve with two flowmeters lets you simultaneously run two pieces of equipment from one tank. Both flowmeters have a dual scale.
Adapters (sold separately) change 5/8"-18 outlets to 9/16"-18 male connections, and vice versa.
Inlet | Outlet | Material | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Number of Flowmeters | Body | Seal | Diaphragm | Each | |
UNF Female Outlet × NGO Male Inlet | ||||||||||||||
CGA 580 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 70 | 1 | Brass | PTFE | Neoprene | 00000000 | 0000000 |
Optional Adapter | 00000000 | Each | 000000 |
Inlet | Outlet | Material | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Number of Flowmeters | Body | Seal | Diaphragm | Each | |
UNF Female Outlet × NGO Female Inlet | ||||||||||||||
CGA 320 | Side | Right Hand | 0 to 3,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 50 (Argon), 0 to 38 (Argon/Carbon Dioxide Blend) | 1 | Brass | PTFE | Neoprene | 000000000 | 0000000 |
Optional Adapter | 00000000 | Each | 000000 |
Inlet | Outlet | Material | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Number of Flowmeters | Body | Seal | Diaphragm | Each | |
UNF Female Outlet × NGO Male Inlet | ||||||||||||||
CGA 580 | Side | Right Hand | 0 to 3,000 | Two | 5/8"-18 | Side | Right Hand | 0 to 18 (Argon), 0 to 50 (Helium) | 1 | Brass | PTFE | Neoprene | 000000000 | 0000000 |
CGA 580 | Side | Right Hand | 0 to 3,000 | Two | 5/8"-18 | Side | Right Hand | 0 to 65 (Argon), 0 to 200 (Helium) | 1 | Brass | PTFE | Neoprene | 000000000 | 000000 |
CGA 580 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 45 (Argon), 0 to 140 (Helium) | 1 | Brass | PTFE | Neoprene | 00000000 | 000000 |
CGA 580 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 45 (Argon), 0 to 140 (Helium) | 2 | Brass | PTFE | Neoprene | 0000000 | 000000 |
Optional Adapter | 00000000 | Each | 000000 |
Inlet | Outlet | Material | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Number of Flowmeters | Body | Seal | Diaphragm | Each | |
UNF Female Outlet × NGO Male Inlet | ||||||||||||||
CGA 580 | Side | Right Hand | 0 to 3,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 40 (Argon), 0 to 40 (Argon/Carbon Dioxide Blend), 0 to 150 (Helium) to150 | 1 | Brass | PTFE | Neoprene | 000000000 | 0000000 |
CGA 580 | Side | Right Hand | 0 to 3,000 | Two | 5/8"-18 | Side | Right Hand | 0 to 40 (Argon), 0 to 40 (Argon/Carbon Dioxide Blend), 0 to 150 (Helium) to150 | 1 | Brass | PTFE | Neoprene | 000000000 | 000000 |
Optional Adapter | 00000000 | Each | 000000 |
Inlet | Outlet | Material | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Number of Flowmeters | Body | Seal | Diaphragm | Each | |
UNF Female Outlet × NGO Female Inlet | ||||||||||||||
CGA 320 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 70 | 1 | Brass | PTFE | Neoprene | 00000000 | 0000000 |
Optional Adapter | 00000000 | Each | 000000 |
Inlet | Outlet | Material | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Number of Flowmeters | Body | Seal | Diaphragm | Each | |
UNF Female Outlet × NGO Male Inlet | ||||||||||||||
CGA 580 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 100 (Helium), 0 to 140 (Hydrogen) | 1 | Brass | PTFE | Neoprene | 000000000 | 0000000 |
Optional Adapter | 00000000 | Each | 000000 |
Inlet | Outlet | Material | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Number of Flowmeters | Body | Seal | Diaphragm | Each | |
UNF Male Outlet × NGO Female Inlet | ||||||||||||||
CGA 350 | Side | Left Hand | 0 to 3,000 | Single | 9/16"-18 | Side | Left Hand | 0 to 40 | 1 | Brass | PTFE | Neoprene | 000000000 | 0000000 |
Optional Adapter | 00000000 | Each | 000000 |
Inlet | Outlet | Material | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Number of Flowmeters | Body | Seal | Diaphragm | Each | |
UNF Female Outlet × NGO Male Inlet | ||||||||||||||
CGA 580 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 100 | 1 | Brass | PTFE | Neoprene | 00000000 | 0000000 |
Optional Adapter | 00000000 | Each | 000000 |
Tank-Mount Pressure-Regulating Valves with Flowmeter for Inert Gas
- For Use With: See Table
- Temperature Range: -20° to 120° F
Commonly used in TIG welding where gas flow/coverage is a concern, these valves measure the gas flow rate in addition to regulating pressure. They automatically reduce a high inlet pressure from compressed gas tanks to a lower, stable outlet pressure. All have Compressed Gas Association (CGA) numbered inlet fittings for secure connections to compressed gas tanks. Choose a valve with the same CGA number as your tank and other system components. Valves have a gauge to monitor the outlet flow rate and a second gauge to monitor inlet pressure from the tank. They are single stage and reduce pressure in one step, which causes the outlet pressure to fluctuate slightly as you empty the tank.


Inlet | Outlet | Material | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Flow Gauge Included | Body | Seal | Diaphragm | Includes | Each | |
UNF Female Outlet × NGO Male Inlet | |||||||||||||||
CGA 580 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 60 | Yes | Brass | PTFE | Neoprene | __ | 0000000 | 0000000 |
CGA 580 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 60 | Yes | Brass | PTFE | Neoprene | 10-ft. long, 3/16" dia. hose with 5/8"-18 male fittings on both ends | 0000000 | 000000 |
CGA 580 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 100 | Yes | Brass | PTFE | Neoprene | __ | 0000000 | 000000 |


Inlet | Outlet | Material | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CGA Number | Location | Thread Direction | Pressure Gauge Range, psi | Stage | Thread Size | Location | Thread Direction | Flow Range, scfh | Flow Gauge Included | Body | Seal | Diaphragm | Includes | Each | |
UNF Female Outlet × NGO Female Inlet | |||||||||||||||
CGA 320 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 60 | Yes | Brass | PTFE | Neoprene | __ | 0000000 | 0000000 |
CGA 320 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 60 | Yes | Brass | PTFE | Neoprene | 10-ft. long, 3/16" dia. hose with 5/8"-18 male fittings on both ends | 0000000 | 000000 |
CGA 320 | Side | Right Hand | 0 to 4,000 | Single | 5/8"-18 | Side | Right Hand | 0 to 100 | Yes | Brass | PTFE | Neoprene | __ | 0000000 | 000000 |
High-Accuracy Totalizers for Fuel

More than twice as accurate as standard totalizers for fuel, these measure the total flow volume of gasoline, diesel fuel, and kerosene with ±2% accuracy. They display a resettable batch total volume to keep track of one metering application and a nonresettable total flow volume. The mesh strainer traps debris.
Pipe Connections | Flow Range | Accuracy | Max. Total Volume | Max. Batch Volume | Max. Pressure | Temp. Range, °F | Seal Material | Mounting Orientation | Display Type | Ht. | Wd. | Dp. | Features | Each | |
Aluminum Body | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gallons | |||||||||||||||
1 NPT Female | 5 to 30 gpm | ±2% | 999,999.9 gallons | 999.9 | 50 psi @ 70° F | -20° to 125° | Buna-N Rubber | Horizontal, Vertical | Analog | 8" | 6" | 5 1/4" | Mesh Strainer, Resettable Batch Function | 0000000 | 0000000 |
Liters | |||||||||||||||
1 NPT Female | 19 to 114 lpm | ±2% | 999,999.9 liters | 999.9 | 50 psi @ 70° F | -20° to 125° | Buna-N Rubber | Horizontal, Vertical | Analog | 8" | 6" | 5 1/4" | Mesh Strainer, Resettable Batch Function | 0000000 | 000000 |
Totalizers for Fuel

Measure the total flow volume of gasoline, diesel fuel, and kerosene. These totalizers automatically reset to zero when they reach the maximum reading.
Pipe Connections | End-to-End Lg. | Flow Range | Accuracy | Max. Total Volume | Max. Pressure | Temp. Range, °F | Seal Material | Mounting Orientation | Batteries Included | Each | |
Aluminum Body | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Gallons | |||||||||||
1 NPT Female | 4" | 3 to 30 gpm | ±5% | 9,999 gallons | 300 psi @ 70° F | 14° to 130° | 316 Stainless Steel | Horizontal, Vertical | Yes | 0000000 | 0000000 |
Liters | |||||||||||
1 NPT Female | 4" | 10 to 100 lpm | ±5% | 9,999 liters | 300 psi @ 70° F | 14° to 130° | 316 Stainless Steel | Horizontal, Vertical | Yes | 0000000 | 000000 |
Totalizers for Natural, Propane, and Butane Gas

Often used in heating, cooking, and power-generating systems, these totalizers measure the total flow volume of natural gas, propane, and butane. They cannot be reset.
Pipe Connections | Flow Range, cfh | Accuracy | Max. Total Volume, cubic feet | Max. Pressure | Temp. Range, °F | Seal Material | Mounting Orientation | Display Type | Ht. | Wd. | Dp. | Each | |
Aluminum Body | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cubic Feet | |||||||||||||
3/4 NPT Female | 0 to 250 | ±1% | 999,900 | 5 psi @ 70° F | -30° to 140° | Buna-N Rubber | Horizontal | Analog | 13" | 9" | 9" | 0000000 | 0000000 |
1 1/4 NPT Male | 0 to 425 | ±1% | 999,900 | 10 psi @ 70° F | -30° to 140° | Buna-N Rubber | Horizontal | Analog | 13" | 9" | 9" | 0000000 | 000000 |
Flowmeters for Oxygen

Calibrated, cleaned, and bagged for oxygen service, these flowmeters are commonly used for welding. They install directly in your line. All have a flow-control knob that lets you open and close the valve at the inlet to adjust the flow rate within the range.
For technical drawings and 3-D models, click on a part number.
Pipe × Tube Connections | Overall Ht. | Flow Range, lpm | Accuracy | Max. Pressure | Max. Temp., °F | Seal Material | Mounting Orientation | Each | |
Polycarbonate Plastic Body with Brass Fittings and Flow-Control Knob | |||||||||
---|---|---|---|---|---|---|---|---|---|
Liters per Minute | |||||||||
1/8 NPT Female Inlet × Barbed Outlet for 1/4" Tube ID | 7 1/4" | 0.25 to 3.5 | ±10% | 150 psi @ 72° F | 140° | Fluoroelastomer Rubber | Vertical | 0000000 | 0000000 |
1/8 NPT Female Inlet × Barbed Outlet for 1/4" Tube ID | 7 1/4" | 0.5 to 8 | ±10% | 150 psi @ 72° F | 140° | Fluoroelastomer Rubber | Vertical | 0000000 | 000000 |
1/8 NPT Female Inlet × Barbed Outlet for 1/4" Tube ID | 7 1/4" | 0.5 to 15 | ±10% | 150 psi @ 72° F | 140° | Fluoroelastomer Rubber | Vertical | 0000000 | 000000 |
Flowmeters for Inert Gas

The correlated scale and conversion charts let you use the same flowmeter to measure the flow rate of nitrogen, oxygen, argon, and helium. These flowmeters have fittings on the back for installation in your instrument panel. The flow-control knob lets you open and close the valve at the inlet to adjust the flow rate within the range.
316 stainless steel fittings are more corrosion resistant than aluminum fittings.
For technical drawings and 3-D models, click on a part number.
Pipe Connections | Overall Ht. | Ctr.-to-Ctr. Ht. | Flow Range, cc/min. | Accuracy | Max. Pressure | Max. Temp., °F | Case Material | Window Material | Seal Material | Mounting Orientation | Features | Each | |
Glass Body with 316 Stainless Steel Fittings | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cubic Centimeters per Minute | |||||||||||||
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 50 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob | 0000000 | 0000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 103 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 400 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 900 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-18.2 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 2,580 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-55 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 3,840 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-90 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 6,000 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-130 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 10,100 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-235 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 15,750 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-375 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 23,640 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-570 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 50 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 103 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob | 00000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 400 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob | 00000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 855 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-18 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 2,290 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-50 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 3,425 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-75 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 9,180 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-215 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 23,740 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Fluoroelastomer Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-565 ccm) | 0000000 | 000000 |
Glass Body with Aluminum Fittings | |||||||||||||
Cubic Centimeters per Minute | |||||||||||||
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 50 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 103 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 400 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 900 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-18.2 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 2,580 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-55 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 3,840 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-90 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 6,000 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-130 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 10,100 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-235 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 15,750 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-375 ccm) | 0000000 | 000000 |
1/8 NPT Female | 5 1/2" | 4 1/2" | 0 to 23,640 | ±10% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-570 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 50 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 103 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob | 00000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 400 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob | 00000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 855 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-18 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 2,290 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-50 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 3,425 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-75 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 9,180 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-215 ccm) | 0000000 | 000000 |
1/8 NPT Female | 10" | 8 7/8" | 0 to 23,740 | ±5% | 200 psi @ 70° F | 200° | Aluminum | Polycarbonate Plastic | Buna-N Rubber | Vertical | Flow-Control Knob, Water Flow Scale (0-565 ccm) | 0000000 | 000000 |