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Compare pressure at two points with a handheld digital manometer. The GD100 combines dual ports, selectable units and a backlit display, giving ventilation and compatible low-pressure testing a dedicated measurement tool.
✅ Compare the two test points - Dual ports and the differential function show the pressure difference.
✅ Read in the unit your procedure uses - Twelve selectable units reduce the need to convert the displayed value.
✅ Keep useful readings for review - Data hold, maximum/minimum functions and storage support recording the test.
✅ Read the display in dim spaces - The backlight illuminates the LCD when the work area is less well lit.
Put a Reading to the Pressure Difference
A system may need more than a single pressure reading when you are checking how two locations compare. A differential manometer puts that relationship on the display, so you can record the condition at the time of the test.
Confirm the permitted medium, connection method and pressure limit before use. Follow the system's testing procedure, especially around fuel-gas equipment. The instrument measures pressure; it is not a combustible-gas leak detector or a complete safety inspection.






Technical details
- Model: GD100
- Range: ±20.68 kPa / ±2.999 psi
- Stated accuracy: ±0.18% FSO at 25 °C
- Units: 12 selections
- Storage: up to 100 data groups
- Supplied test hoses: two, approximately 25 cm
Add a direct differential-pressure reading to your next compatible system check.
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