testo 6651 Ethernet
- 1.3 Commissioning
59
Completion of the adjustment is signalled by the LED
(1)
coming on
permanently and the
Probe reset
status message is shown.
3 Carry out the adjustment analogously for the reference condition
75.3 % RH. Press on the 75.3 % RH adjustment key
(6)
to do this.
4 Close the service flap.
1.3.5.4
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.).
1 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 -
Adjust analog outputs
A precise multimeter (minimum resolution of 6.5 digits, accuracy of
100
A, e.g. Agilent 34401A) is available.
If only a simple multimeter is available, the analog outputs
may not be adjusted.
The service flap is open.
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