User Manual Q&AAnswer
Feb 07, 2025 - 08:59 PM
To change the measurement unit on the PerfectPrime AR1890 Digital Pressure Gauge, follow these steps:
1. Power on the meter by short pressing the power on/off button.
2. Use the UNIT button to select the desired measurement unit. Each short press of the UNIT button will cycle through the available units.
3. Once you have selected the desired unit, the meter will display the pressure readings in that unit.
Note: The PerfectPrime AR1890 Digital Pressure Gauge offers 12 selectable units of measurement, including Pa, psi, kgfcm2, bar, inH2O, ftH2O, inHg, mmHg, ozin2, mbar, cmH2O, and kPa.
For more information, please refer to the "KEY OPERATION" section of the instruction manual.
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