Series 55 - Instruction Manual
General Rules
Technical Specifications, Replacement Parts and Repair Kits
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55.701 Stainless Steel Digital Pressure Gauge
SPECIFICATIONS
Fluids: Clean dry air, non-corrosive gases
Working pressure: 0 to 300 PSI
Accuracy: +/- 1% full scale
Working temperature: -10 to 60 °C
Thread: ¼ (M) NPT
Battery type: AAA (3x not included)
Initial Calibration
- To reset the display to zero:
- Press and hold the “UNIT/ZERO” button for three seconds.
Units Selection
- To select the unit of measurement:
- Press the “UNIT/ZERO” button to cycle through the available units: psi, bar, mbar, kPa, MPa, kg/cm², mH₂O, mmH₂O, inH₂O (inWC).
Display Type Selection
- To switch the lower display between peak (max.) or valley (min.):
- Single-click the “PEAK” button.
- To reset the peak display to continuous:
- Press and hold the “PEAK” button for three seconds.
Display Lighting Selection
- To activate the display lighting:
- Press the “LIGHT BULB” icon.
- To enter the lighting duration programming mode:
- Press and hold the “LIGHT BULB” icon for three seconds.
- To set the lighting duration:
- Press the “UNIT/ZERO” button to switch between the units and tens digit.
- Press the “LIGHT BULB” icon to adjust the number.
- Press the “PEAK” button to save the programmed duration and exit.
Additional Information
- Ensure the device is properly powered and the battery is fully charged before performing any calibration or measurements.
- When switching units, ensure that the current measurement has been noted or recorded to prevent any data loss.
- Handle the device with care, avoiding exposure to extreme temperatures, moisture, and direct sunlight to ensure accurate readings and longevity of the device.
- If the device is not responding or behaving unexpectedly, perform a soft reset by removing and reinserting the battery.
For further assistance or troubleshooting tips, contact customer support.