For Testing For Testing |
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For Use With For Use With |
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Meter Type Meter Type |
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Sensor Material Sensor Material |
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Maximum Automatic Temperature Compensation (ATC) Maximum AutomaticTemperature Compensation (ATC) |
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Maximum Conductivity Maximum Conductivity |
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Minimum Automatic Temperature Compensation (ATC) Minimum AutomaticTemperature Compensation (ATC) |
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Calibration Method Calibration Method |
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Maximum Total Dissolved Solids (TDS) Maximum TotalDissolved Solids (TDS) |
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pH Range pH Range |
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TDS Meters
Check your system for contaminants with this meter that detects total dissolved solids (TDS) in aquaculture solutions, wastewater, and other dirty liquids. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration adjustment screw to maintain accuracy.
Total Dissolved Solids (TDS) | ||||||
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| Sensor Material | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Batteries Included | Each | |
For Use With Dirty Liquids | ||||||
| Nonglass | 0 to 1,999 ppm | ±2% | 32° to 122° | Yes | 0000000 | 000000 |
Water-Resistant TDS Meters
Since these meters float and have a housing that meets IP67, they won’t be damaged by temporary submersion and have complete resistance to dust. They detect total dissolved solids (TDS) in water, hydroponic solutions, and other clean liquids to determine contaminant levels. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
Bench-Top TDS Meters
Commonly used to test environmental samples, boiler condensate, wastewater, and other dirty liquids for contaminants, this bench-top meter determines the total dissolved solids (TDS) in a solution. It has automatic temperature compensation that standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration knob to maintain accuracy.
Total Dissolved Solids (TDS) | |||||||||
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| Sensor Material | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Ht. | Wd. | Dp. | Batteries Included | Each | |
For Use With Dirty Liquids | |||||||||
| Nonglass | 0 to 50 ppm 0 to 500 ppm 0 to 5,000 ppm | ±2% | 50° to 160° | 4" | 3 1/2" | 4 1/2" | Yes | 0000000 | 0000000 |
| Carrying Cases for Bench-Top Conductivity and TDS Meters | 0000000 | Each | 000000 |
Remote-Reading TDS Meters
The remote probe on a 3-ft. cable limits your exposure when taking total dissolved solids (TDS) measurements to determine contaminant levels in aquaculture solutions, boiler condensate, contaminated water, and other dirty liquids. This meter has automatic temperature compensation that standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
Meters | |||||||||
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Total Dissolved Solids (TDS) | Replacement Sensors | ||||||||
| Sensor Material | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Specifications Met | Batteries Included | Each | Each | ||
For Use With Dirty Liquids | |||||||||
| Nonglass | 0 to 10 ppm 10 to 100 ppm 100 to 1,000 ppm 1 to 10 ppt 10 to 100 ppt 100 to 200 ppt | ±1% | 32° to 122° | CE Marked | Yes | 0000000 | 0000000 | 0000000 | 0000000 |
Water-Resistant Conductivity Meters
Don’t worry about dropping this meter in your tank when checking electrical conductivity—it floats and has a housing that meets IP67 for complete resistance to dust and protection from temporary submersion. For use with water, hydroponic solutions, and other clean liquids, this meter measures a liquid's conductivity to indicate the concentration of salts, nutrients, chemicals, and other substances. It displays temperature in addition to conductivity. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
Bench-Top Conductivity Meters
Pour contaminated water, wastewater, printing fountain solutions, and other dirty liquids into the meter cup to test electrical conductivity levels that indicate the concentration of salts, nutrients, chemicals, and other substances. These meters have automatic temperature compensation that standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration knob to maintain accuracy.
Conductivity | |||||||||
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| Sensor Material | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Ht. | Wd. | Dp. | Batteries Included | Each | |
For Use With Dirty Liquids | |||||||||
| Nonglass | 0 to 0.5 µS 0 to 5 µS 0 to 50 µS 0 to 500 µS 0 to 5,000 µS | ±2% | 32° to 120° | 4" | 3 1/2" | 4 1/2" | Yes | 0000000 | 0000000 |
| Nonglass | 0 to 10 µS 0 to 100 µS 0 to 1,000 µS 0 to 10,000 µS | ±2% | 50° to 160° | 4" | 3 1/2" | 4 1/2" | Yes | 00000000 | 000000 |
| Optional Carrying Case | 0000000 | Each | 000000 |
Remote-Reading Conductivity Meters
View conductivity readings of wastewater, boiler condensate, aquaculture solutions, and other dirty liquids up to 3 feet from the remote sensor to indicate the concentration of salts, nutrients, chemicals, and other substances. This meter has automatic temperature compensation that standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
Conductivity Meters
Check a solution’s electrical conductivity to indicate the concentration of salts, nutrients, chemicals, and other substances. This meter is often used to test wastewater, boiler condensate, aquaculture solutions, and other dirty liquids. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration adjustment screw to maintain accuracy.
Conductivity | ||||||
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| Sensor Material | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Batteries Included | Each | |
For Use With Dirty Liquids | ||||||
| Nonglass | 0 to 1,999 µS | ±2% | 32° to 122° | Yes | 0000000 | 000000 |
Water-Resistant pH Meters
Check pH in harsh field conditions. These floating meters that have a housing that meets IP67 for complete resistance to dust and protection from temporary submersion. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a calibration solution and the calibration button to maintain accuracy. Meters do not include Calibration Solution.
Meter for clean liquids is commonly used in pools and hydroponic solutions.
Meter for dirty liquids stands up to wastewater, plating bath solutions, and other harsh liquids.
Meters | |||||||||
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pH | Replacement Sensors | ||||||||
| Sensor Material | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Specifications Met | Batteries Included | Each | Each | ||
For Use With Clean Liquids | |||||||||
| Glass | 0 to 14 pH | ±0.1 pH | 32° to 122° | CE Marked, IP67 | Yes | 00000000 | 000000 | 000000 | 00 |
For Use With Dirty Liquids | |||||||||
| Glass | -2 to 16 pH | ±0.01 pH | 32° to 122° | CE Marked, IP67 | Yes | 00000000 | 00000 | 00000000 | 000000 |
Remote-Reading pH Meters
The remote sensor with a cable lets you take pH readings in hard-to-reach areas. Use a Calibration Solution and the calibration button to maintain accuracy. Meter for dirty liquids includes calibration solution; meter for clean liquids does not include calibration solution.
Nonglass sensors are more durable and resistant to breakage than glass sensors.
Meter for clean liquids is often used to check water quality.
Meter for dirty liquids stands up to use in petrochemical, environmental, and agricultural testing. The water-resistant housing meets IP65 for protection from dust and temporary submersion.
Meters | |||||||||
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pH | Replacement Sensors | ||||||||
| Sensor Material | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Specifications Met | Batteries Included | Each | Each | ||
For Use With Clean Liquids | |||||||||
| Glass | 0 to 14 pH | ±0.01 pH | 32° to 212° | CE Marked | Yes | 0000000 | 0000000 | 0000000 | 0000000 |
For Use With Dirty Liquids | |||||||||
| Nonglass | 0 to 14 pH | ±0.01 pH | 20° to 250° | CE Marked, IP65 | Yes | 0000000 | 00000000 | 0000000 | 000000 |
pH Meters
More precise than test strips, this meter is often used to measure the pH of dirty liquids in agricultural systems, aquaculture tanks, and printing fountains. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
pH | ||||||
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| Sensor Material | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Batteries Included | Each | |
For Use With Dirty Liquids | ||||||
| Glass | 0 to 14 pH | ±0.1 pH | 32° to 122° | Yes | 0000000 | 000000 |
Remote-Reading pH Meters with PC Output
Transmit pH readings to a PC for analysis. This meter has a sensor on a 3-ft. cable for taking remote readings of water and other clean liquids. It has automatic temperature compensation that standardizes readings at 77° F to prevent inaccurate readings in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
Water-Resistant ORP Meters
Since this oxidation reduction potential (ORP) meter has a housing that meets IP67 for complete resistance to dust and protection from temporary submersion, it’s often used to determine a solution’s ability to break down contaminants in harsh field conditions. For use with dirty liquids containing heavy metals, sulfides, and harsh chemicals, this meter is often used for wastewater treatment. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
ORP Meters
Measure a solution’s oxidation reduction potential (ORP) to determine its ability to break down contaminants. This meter is commonly used to monitor water quality in pools, spas, and other clean liquids. Use a Calibration Solution (not included) and the calibration adjustment screw to maintain accuracy.
Oxidation Reduction Potential (ORP) | |||||
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| Sensor Material | Range | Accuracy | Batteries Included | Each | |
For Use With Dirty Liquids | |||||
| Nonglass | -999 to 999 mV | ±2 mV | Yes | 0000000 | 000000 |
Water-Resistant Dissolved Oxygen Meters
Check the oxygen levels of water and other clean liquids in harsh field conditions. This meter has a housing that meets IP67 for complete resistance to dust and protection from temporary submersion. It has automatic temperature compensation that standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
Easy-Read Bench-Top Multifunction Chemistry Meters
Don’t strain your eyes reading a scale—these bench-top meters indicate exact results on the digital display. For complete resistance to dust and protection from temporary submersion, these meters float and have a housing that meets NEMA 6 and IP67. They're for use with water and other clean liquids. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
Meters | Replacement Sensors | |||||||
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| For Testing | Sensor Material | Automatic Temperature Compensation (ATC) Range, °F | Specifications Met | Batteries Included | Each | Each | ||
For Use With Clean Liquids | ||||||||
| Conductivity, Resistivity, Total Dissolved Solids (TDS) | Nonglass | 32° to 160° | CE Marked, IP67, NEMA 6 | Yes | 000000 | 0000000 | 000000 | 00 |
| Conductivity, Oxidation Reduction Potential (ORP), pH, Resistivity, Total Dissolved Solids (TDS) | Glass | 32° to 160° | CE Marked, IP67, NEMA 6 | Yes | 000000 | 00000000 | 000000 | 0000000 |
Water-Resistant Multifunction Chemistry Meters
Test three different water-chemistry measurements in dirty, wet conditions. These meters have a housing that meets IP57 for good resistance to dust and protection from temporary submersion. Often used in pools and spas, they are for clean liquids. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
Chlorine, oxidation reduction potential (ORP), and pH meter comes with three sensors that each take one chemistry measurement.
Conductivity, salinity, and total dissolved solids (TDS) meter comes with one sensor that takes all three chemistry measurements.
| Sensor Material | Automatic Temperature Compensation (ATC) Range, °F | Specifications Met | Batteries Included | Each | |
For Use With Clean Liquids | |||||
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| Glass | 23° to 194° | CE Marked, IP57 | Yes | 0000000 | 0000000 |
Bench-Top Multifunction Chemistry Meters
Check the pH and conductivity of water and other clean liquids with one bench-top device. This meter has automatic temperature compensation that standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration knob to maintain accuracy.
Meters | |||||||||||||
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pH | Conductivity | Replacement Sensors | |||||||||||
| Sensor Material | Range | Accuracy | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Ht. | Wd. | Dp. | Batteries Included | Each | Each | ||
For Use With Clean Liquids | |||||||||||||
| Glass | 2-12 pH | ±0.2 pH | 0 to 10 µS 0 to 100 µS 0 to 1,000 µS 0 to 10,000 µS | ±2% | 50° to 160° | 4" | 3 1/2" | 4 1/2" | Yes | 00000000 | 0000000 | 00000000 | 0000000 |
Remote-Reading Multifunction
Chemistry Meters with PC Output
Upload up to 500 conductivity and total dissolved solids (TDS) readings to a PC. This meter has a probe on a 3-ft. cable for taking readings in hard-to-reach areas. It's for use with tap water, pool water, hydroponic solutions, and other clean liquids. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Data hold freezes the current reading on the display. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
Meters | |||||||||||
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Conductivity | Total Dissolved Solids (TDS) | Replacement Sensors | |||||||||
| Sensor Material | Range | Accuracy | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Specifications Met | Batteries Included | Each | Each | ||
For Use With Clean Liquids | |||||||||||
| Nonglass | 0 to 19.99 µS 0 to 199.9 µS 0 to 1,999 µS 0 to 19.99 mho 0 to 199.9 mho | ±1% | 0 to 9.99 ppm 10 to 99.9 ppm 100 to 999 ppm 1 to 9.99 ppt 10 to 99.9 ppt | ±1% | -17° to 230° | CE Marked | Yes | 00000000 | 0000000 | 00000000 | 0000000 |
Remote-Reading Multifunction Chemistry Meters
Remote sensors let you take pH and oxidation reduction potential (ORP) readings up to 3 feet from the display. For use with clean liquids, this meter is often used for water-quality testing. Automatic temperature compensation standardizes readings at 77° F to prevent inaccurate results in fluctuating temperatures. Use a Calibration Solution (not included) and the calibration button to maintain accuracy.
pH | Oxidation Reduction Potential (ORP) | ||||||||
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| Sensor Material | Range | Accuracy | Range | Accuracy | Automatic Temperature Compensation (ATC) Range, °F | Specifications Met | Batteries Included | Each | |
For Use With Clean Liquids | |||||||||
| Glass | 0 to 14 pH | ±0.01 pH | -1,000 to 1,000 mV | ±2 mV | 32° to 212° | CE Marked | Yes | 0000000 | 0000000 |
| Replacement sensor for testing Oxidation Reduction Potential (ORP) | 0000000 | Each | 0000000 |
Sanitary Conductivity Sensors
 Sensor |  Three-Color Display |  | |
 Optional Quick-Clamp Adapter | |||
Test for chemicals, cleaners, and other substances in your sanitary line by measuring how well the liquid conducts electricity. These sensors are highly accurate over a wide conductivity range, so you can use them with almost any liquid or process. They’re certified by 3-A and by the European Hygienic Engineering and Design Group (EHEDG) to meet sanitary design standards.
Rated IP69K, these sensors hold up to high-temperature, high-pressure washdowns. They’re also rated IP67, so they can be submerged in water for up to 30 minutes. These sensors are often used to save water after clean-in-place (CIP) cycles by determining when the rinse water is free of chemicals and cleaners. Made from 304 stainless steel, the body won’t corrode from frequent washdowns with harsh cleaners. The sensor probe is PEEK, which won’t degrade from chemicals and high temperatures—it’s also FDA compliant for safe contact with food. Any parts that contact liquids are polished to extreme smoothness, so bacteria has nowhere to hide.
Program these sensors with the touchscreen, and select one of three background colors as a visual alert for errors, completed cycles, and other events in your process. The head swivels 345° and the face rotates all the way around, so you can mount the sensor at any angle and still see the display. They have automatic temperature compensation (ATC) that standardizes readings at 77° F (or the temperature you choose) to give accurate results, even in fluctuating temperatures. Since they also measure temperature, you don’t need a separate temperature sensor on your line.
You can also connect these sensors to remote displays and programmable logic controllers (PLCs) with the M12 plugs. Programming these sensors remotely makes frequent application changes easier, and lets you measure liquids in hard-to-reach areas. They’re compatible with IO-Link, HART, and 4-20 mA analog outputs, so you can use them with existing systems. They’re often used to trigger the beginning or end of a cycle in automated systems, or to check the concentration of chemicals in pharmaceutical applications. These sensors are CE Marked, which means they meet safety standards created by the European Union.
Use a quick-clamp adapter to connect these sensors to quick-clamp sanitary tube fittings on your line.
For technical drawings and 3-D models, click on a part number.
Sensor | Conductivity | |||||||||||
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| Lg., mm | Material | Dia., mm | Lg., mm | Range | Accuracy | Electrical Connection Type | Thread Type | Automatic Temp. Compensation (ATC) Range, °F | Environmental Rating | Specifications Met | Each | |
For Use With Liquids | ||||||||||||
| 37 | PEEK Plastic | 3.6 | 26 | 0 to 500 µS 0 to 500 mS 0 to 1,000 mS | ±1.5% ±1% ±1.5% | Threaded M12 Plug (One 4-Pole Connection and One 5-Pole Connection) | BSPP | -4° to 302° | IP67, IP69K | 3-A Certified 74-07, CE Marked, EHEDG Certified, FDA 21 CFR 177.2415 | 0000000 | 000000000 |
| 60 | PEEK Plastic | 3.6 | 26 | 0 to 500 µS 0 to 500 mS 0 to 1,000 mS | ±1.5% ±1% ±1.5% | Threaded M12 Plug (One 4-Pole Connection and One 5-Pole Connection) | BSPP | -4° to 302° | IP67, IP69K | 3-A Certified 74-07, CE Marked, EHEDG Certified, FDA 21 CFR 177.2415 | 0000000 | 00000000 |
| 83 | PEEK Plastic | 3.6 | 26 | 0 to 500 µS 0 to 500 mS 0 to 1,000 mS | ±1.5% ±1% ±1.5% | Threaded M12 Plug (One 4-Pole Connection and One 5-Pole Connection) | BSPP | -4° to 302° | IP67, IP69K | 3-A Certified 74-07, CE Marked, EHEDG Certified, FDA 21 CFR 177.2415 | 0000000 | 00000000 |
| Optional Quick-Clamp Adapter | 0000000 | Each | 0000000 |