Calibration and Adjustment Instructions for MC5 Multifunction Calibrator For Main Firmware Version 1.90
Page 10/16
Adjusting the Temperature Measurement of the
Internal Reference Junction Module
For obtaining best results when adjusting the Internal
Reference Junction Module, do the adjustment after the
calibrator has been shut down and not connected to a
charger overnight. Then the temperature inside the cali-
brator is stabilized to the same temperature as the envi-
ronment.
Quantity: T/C Temperature
Function/Port: ET: TCi(mea)
Connect an accurate thermocouple to the INT. RJ termi-
nals. Use an ice bath and place the thermocouple into
the bath.
Adjustment Point
Only the zero adjustment point need to be checked.
Enter the correct bath temperature to the Zero Refer-
ence Value field in the calibrator.
When ready, select either another Quantity and Func-
tion/Port combination or save the adjustment result as
described in chapter Saving Adjustment Data on page
16.
Temp. Bath
°C
0.00
Field MENU
Calibration
Mode
07.11.2002 14:54
T/C-temperature
ET: T/C-Meas., Int RJ
K NiCr/NiAl
°C (ITS90)0.02
Zero Reference Value
Span Reference Value
0.00
???????
RJ: Internal 23.02
MULTIFUNCTION CALIBRATOR
T/C, Low V
4-w meas
R, RTD
3 & 4-w meas
V, I,
+24V
I
meas/sink
Low V
HART
®
T/C INT. RJ
T/C OR EXT
WIRES ONLY
2-w xmtr
V, ,
?
MEASURE
OUTPUTSENSOR MEASURE & SIMULATE
ET E
Max input:
60 VDC/30 VAC
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