Analog Output Adjustment - TESTO 6381 Instruction Manual

4 Transmitter
3. Carry out the adjustment analogously for the reference
condition 75.3 % RH. Press the
to do this.
4. Close the service flap.
4.3.4.10.

Analog output adjustment

The purpose of adjusting the analog outputs is to adjust the signal
chain from the digital signal (within the transmitter) to the analog
outputs. The signal type that was appointed for the transmitter is
adjusted respectively for each channel (e.g. 4 to 20 mA or 0 to 1 V,
etc.).
Adjusting analog outputs 1 and 2 (optional)
✓ With testo 6381 with current output: Load of max. 500  is
connected to channel that is to be adjusted (see 4.3.3.4. Plug-in
connections for power supply and channels)
✓ A precise multimeter (minimum requirement: resolution
6.5 digits, at least 5-times more accurate than the 6381) is
available.
56
If only a simple multimeter is available, the analog outputs
must not be adjusted.
75.3 % RH adjustment key (6)
1 Status LED
2. Contact ch. 1+
3. Contact ch. 1-
4. Adjust key 11.3 %
5. Service interface
6. Adjust key 75.3 %
7. Contact ch. 2+
8. Contact ch. 2-