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About Pressure Gauges
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High-Accuracy Low-Pressure Gauges
Single Scale With Center Back Connection
Dual Scale With Bottom Connection (Flange Mount)
Bottom Connection
Center Back Connection
Bottom Connection (Flange Mount)
Measure small pressure changes in ventilation systems, hydraulic applications, and other critical processes with these high-accuracy gauges. Mount them with the dial face upright.
Gauges with 304 stainless steel case or polyester plastic case have better corrosion resistance than gauges with steel case.
Gauges with safety case blow out in the back under excess pressure, protecting the operator in front.
For technical drawings and 3-D models, click on a part number.
Painted Steel Case with Brass Connection—Single Scale (oz./in.2)
- For Use With: Air, Water, Hydraulic Fluid, Carbon Dioxide, and Natural Gas
- Accuracy: ±1.5% Full Scale (Not Graded)
Available Pressure Gauges | ||
|---|---|---|
| Pressure Range, oz./in.2 | Graduation Marks, oz./in.2 | Numeric Increments, oz./in.2 |
| 0 to 10 | 0.2 | 2 |
| 0 to 15 | 0.2 | 3 |
| 0 to 30 | 0.5 | 5 |
| 0 to 60 | 1 | 10 |
| 0 to 100 | 2 | 20 |
| 0 to 160 | 4 | 40 |
Bottom Connection | Center Back Connection | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Dial Diameter | Pipe Size | Environment Temp. Range, °F | Process Temp. Range, °F | Case Color | Mounting Orientation | Each | Each | ||
NPT Male | |||||||||
| 2 1/2" | 1/4 | 0° to 140° | 0° to 140° | Black | Upright | 0000000 | 000000 | 0000000 | 000000 |
NPT Male with Calibration Certificate Traceable to NIST | |||||||||
| 2 1/2" | 1/4 | 0° to 140° | 0° to 140° | Black | Upright | 0000000 | 000000 | 0000000 | 000000 |
304 Stainless Steel Case with Brass Connection—Single Scale (oz./in.2)
- For Use With: Air, Water, Hydraulic Fluid, Carbon Dioxide, and Natural Gas
- Accuracy: ±1% Full Scale (Grade 1A)
Available Pressure Gauges | ||
|---|---|---|
| Pressure Range, oz./in.2 | Graduation Marks, oz./in.2 | Numeric Increments, oz./in.2 |
| 0 to 10 | 0.2 | 2 |
| 0 to 15 | 0.2 | 3 |
| 0 to 30 | 0.5 | 5 |
| 0 to 60 | 1 | 10 |
Bottom Connection | ||||||
|---|---|---|---|---|---|---|
| Dial Diameter | Pipe Size | Environment Temp. Range, °F | Process Temp. Range, °F | Mounting Orientation | Each | |
NPT Male | ||||||
| 4" | 1/4 | 0° to 140° | 0° to 140° | Upright | 000000 | 0000000 |
Polyester Plastic Case with Brass Connection—Dual Scale (in. of H₂O, oz./in.2)
- For Use With: Air, Argon, Nitrogen, and Natural Gas
- Accuracy: ±1% Mid Scale (Grade A)
Available Pressure Ranges | |||||
|---|---|---|---|---|---|
Pressure Range | Graduation Marks | Numeric Increments | |||
| in. of H₂O | oz./in.2 | in. of H₂O | oz./in.2 | in. of H₂O | oz./in.2 |
| 0 to 10 | 0 to 6 | 0.1 | 0.1 | 1 | 1 |
| 0 to 15 | 0 to 9 | 0.2 | 0.1 | 3 | 1 |
| 0 to 20 | 0 to 12 | 0.2 | 0.1 | 2 | 1 |
| 0 to 30 | 0 to 18 | 0.2 | 0.2 | 5 | 2 |
| 0 to 40 | 0 to 24 | 0.5 | 0.2 | 5 | 2 |
| 0 to 60 | 0 to 35 | 1 | 0.5 | 10 | 5 |
| 0 to 80 | 0 to 45 | 1 | 0.5 | 10 | 5 |
| 0 to 100 | 0 to 57 | 1 | 1 | 10 | 10 |
| 0 to 150 | 0 to 90 | 2 | 1 | 30 | 10 |
Mounting | Bottom Connection (Flange Mount) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dial Diameter | Pipe Size | Environment Temp. Range, °F | Process Temp. Range, °F | Case Color | Orientation | Fasteners Included | Hole Dia. | No. of Holes | Features | Each | |
NPT Male | |||||||||||
| 4 1/2" | 1/4 | 0° to 140° | -40° to 210° | Black | Upright | No | 1/4" | 3 | Safety Case | 000000 | 0000000 |