What to do if my BUSCH VACTEST TPP 900 Measuring Instruments display shows "or"?
If the display shows "or", it indicates the pressure is over range. Ensure that the pressure does not exceed 1200 mbar.
Why does my BUSCH VACTEST TPP 900 Measuring Instruments show the error message "Err"?
The error message "Err" appears because of adjustment done at wrong pressure or measurement error out of adjustment range. The displayed pressure must be >800 mbar for atmosphere adjustment,
How to troubleshoot high measurement error in BUSCH Measuring Instruments?
High measurement error can be caused by contamination, ageing, extreme temperature, or maladjustment. You can try readjusting the instrument or replacing the sensor. If the problem persists, send the unit for repair.
What to do if my BUSCH VACTEST TPP 900 display shows "ur"?
If the display shows "ur", it indicates the pressure is under range. Make sure the pressure is > 5 x 10-4 mbar.
What does error message "Err1" mean on my BUSCH VACTEST TPP 900 Measuring Instruments?
The error message "Err1" indicates a defective sensor. Send the unit for repair.
General| Sensor Type | Pirani |
|---|---|
| Accuracy | ±15% of reading |
| Operating Temperature | 0 to 50 °C |
| Supply Voltage | 24 VDC |
| Display | LCD |
| Power Supply | 24 VDC |
| Storage Temperature | -20 to 70 °C |
| Output Signal | 0-10 V |
| Communication Interface | RS485 |
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