Why are the readings fixed on my az-instrument 7755 Measuring Instruments?
If your AZ-Instrument Measuring Instruments show fixed readings, it's possible that the data hold function is activated. Check the display for the 'HOLD' icon in the upper-left corner.
What to do if my AZ-Instrument Measuring Instruments shows error messages?
If you receive error messages on your AZ-Instrument Measuring Instruments, here's what they could mean: * **E01**: The CO2 sensor is damaged. * **E02**: The value is under range. * **E03**: The value is over range. * **E04**: The original data error results in this error (DP, WB). * **Too low voltage to measure CO2**: Replace batteries or use an adaptor. * **No code**: Retry humidity calibration. * **No code**: Retry CO2 calibration. * **E31**: Temperature sensor damaged. * **E34**: Humidity sensor damaged.
Why is my az-instrument 7755 responding slowly?
If your AZ-Instrument Measuring Instruments is responding slowly, check the air flow channels on the rear of the device to make sure they are not blocked.
Details on powering the meter using AA batteries or a DC adapter.
Instructions on turning on/off, taking measurements, and using data hold/backlight.
Setting the audible CO2 alarm threshold value.
Steps for manual calibration of the CO2 sensor using standard conditions.
Procedure for calibrating humidity using 33% and 75% salt solutions.
Solutions for power-on failures, fixed readings, slow response, and error messages.
General| Brand | az-instrument |
|---|---|
| Model | 7755 |
| Category | Measuring Instruments |
| Language | English |
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