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PG-30 Digital Pressure Gauge for Air and Compatible Gases with backlight


PG-30 digital pressure gauge can test pressure and corresponding evaporation temperature, with backlight, manual calibration, automatic shutdown, units switch, low power alarm, refrigerant types selection and other functions. Battery life up to six months, used for refrigerant and maintenance, pressure vessels, pressure monitoring.



Pressure Measuring Range: -0.100 ~ 5.000MPa

Operating Temperature and Humidity: 10°C ~60°C; 35% ~ 85%RH

Resolution: Pressure: 0.001MPa; Temperature 0.1°C

Accuracy: Pressure : ±5%FS (22°C ~ 28°C); Temperature: ±1°C

Battery Life: Six Months

Power supply: 3V CR2450 button battery

Sampling Period: 1.2s

Battery Indicator: displays 'LOB' at low battery

Display: 30mm*17mm LCD/green back-light, auto-off after 6s

Measurement Units: MPa, kPa, bar, psi, kgf/cm2, mmHg

Out-of-Range Alarm: pressure: FULL


General Operation:

1. On/Off

In power-off mode, press and release Light/Power button to turn on the gauge and display current pressure. Press and hold Light/Power for 3 seconds to turn it off. It will be auto-off after 15 minutes of inactivity.

2. Backlight


In power-on mode, press and release Light/Power button to turn on backlight. It will be auto-off after 6 seconds of inactivity.

3. Max and Min Memory and Clear

Press and release Up/Set or Down/Zero button to display Max or Min values. Press and hold Up/Set or Down/Zero button for 3 seconds to clear the displayed Max or Min.

4. Zero

Press and hold Down/Zero for 3 seconds to zero. It will display and then 0.000 after 3 seconds. Press and hold the button again for 3 seconds to display current relative pressure.

5. Auto-Off



Press and hold Up/Set button for 3 seconds to enter refrigerant types selection. Press Light/Power in 3 seconds, °C will flash to indicate temperature units shift. Press Light/Power in 3 seconds, MPa will flash to indicate pressure units shift. Press Light/Power in 3 seconds to exit. Use Up/Set or Down/Zero for selecting specific refrigerant type or temperature/pressure unit.



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PG-30 Digital Pressure Gauge for Air and Compatible Gases with backlight

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  • Product Code: PG-30
  • Availability: In Stock
  • £39.99

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