TESTO 6631, Инструкция по эксплуатации

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testo P2A Software - Using the product 21
· Transmitter tests (voltage supply via terminals required): Current reading displayed and analog output test
carried out for each channel; see below for procedure.
· Min./max. values: Change to display of minimum/maximum values.
Procedure: testing analog output (voltage supply via terminals required)
1 Choose channel.
2 Connect reference multimeter (min. 6.5 digits resolution) to the analog output terminals of the transmitter.
3 Set the default value in the P2A Software and click on
Activate
.
4 Compare value displayed with reference value of multimeter.
3
To leave the analyzing/test screen, click on
OK
.
±
Carrying oout/resetting aa 11-ppoint aadjustment ((offset):
A testo 400/600 with precision humidity probe is recommended as the
reference measuring instrument.
1
Click on Adjust transmitter button.
2
Select the channel under 1-point adjustment .
3
Expose the reference measuring instrument and the instrument to be
adjusted to the same constant conditions and wait for equalization period
to lapse.
4
Enter reference value and perform adjustment by clicking on
Carry out 1-
point adjustment
.
i
To reset an offset value, click on Set Offset to zero .
5
Click on OK to confirm entries.
±
Carrying oout aa 22-ppoint aadjustment:
Before the 2-point adjustment, it must be ensured that the ventilator of the
testo 6631 is operating, and that the air input opening is not blocked.
1
Click on
Adjust transmitter
button.
2
Select the adjustment point under
2-point adjustment
.
3
To set the humidity generator: Temperature of 25 °C and humidity of
11.3 % RH or 75.3 % RH (depending on adjustment point chosen).
4
After a sufficient equalization period (at least 1.5 h): Enter reference value
and perform adjustment by clicking on
Lower adjustment point or Upper
adjustment point (depending on adjustment point chosen).
5
Repeat steps
3
to
4
for the second adjustment point accordingly.
6
Click on
OK
to confirm entries.
For the testo 6631, a 2-point adjustment can also be performed using the
testo control and adjustment set (0554 0660). Please also refer to the
instruction manual for the control and adjustment set. The reference
values are entered and the adjustment is carried out in the same way as
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