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Can I measure negative pressure on my manometer? Yes, all models will read from approximately -16" of water to +48" of water.
How can I measure in pounds per square inch? The 615 and 625 have selectable units and can display it in PSI. The 610 and 620 only measure in inches of water. You can divide the reading by 27.68 to convert to PSI.
How do you compensate for the differences in atmospheric pressures at different altitudes? All four models have a push button zero that will zero your base reading at any altitude.
What does the “trim” mode do? The “trim” mode displays a running average to stabilize the readings when constant changes in pressure won’t allow the display to be read.
Faster and more accurate than water column manometers.
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Utility and HVAC troubleshooters look to TPI for isolating difficult pressure problems on natural gas and propane systems. Replace messy U-Tube manometers and expensive pressure gauges with a TPI 600 series manometer. Test for leaks in low-pressure gas systems. All models provide accurate readings (basic accuracy of ±0.5% reading with a .01 inch resolution).
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Features
Choose the model that best fits your needs:
610 Single input and single unit of pressure (inH2O).
615 Single input and 7 units of pressure.
620 Dual input, differential and single unit of pressure (inH2O).
625 Dual input, differential, and 7 units of pressure.
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Applications
• Adjusting appliance regulators
• Setting delivery pressures
• Leakage “Shut-In” tests
• Regulator adjustments for pressure and lock-up tests
• Furnace pressure switches in both positive and negative
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ALL MODELS FEATURE AUTO RANGING
9V Battery
Soft Pouch 3-Foot Tubing (A602) 1/8 inch barbed fitting included 3-Year Limited Warranty
VALUE ADDED FEATURES OF THE 625
With dual inputs and selectable units of measure, you can connect to the inlet and outlet of a gas valve at the same time with one tester. Differential pressure readings as well as individual pressures can be viewed in any of the 7 units of measure desired by pressing the UNITS button.
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| Specifications |
| Auto Range |
-15 to +48 inches of water |
| Accuracy |
±0.5% of Reading + 5 digits |
| Over Pressure |
500 mbar |
| Power Supply |
9 Volt |
| Relative Humidity |
0% to 80% (0° to + 40°) |
| Operating Temp |
0°C to +40°C |
| Storage Temp |
-10°C to +50°C |
| Auto Power Off |
After 40 Minutes |
Units of measurement for the 615 and 625 are mmHg, inHg, kPa, mbar, PSI, inH20, and mmH20. The 610 and 620 only measure in inches of water. |
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