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Safety Advices
This device has been designed, assembled and tested in accordance with the safety regulations for electronic measurement
devices.
However, its trouble-free operation and reliability cannot be guaranteed unless the standard safety measures and special
safety advices will be adhered to when using the device.
1. Trouble-free operation and reliability of the device can only be guaranteed if the device is not subjected to any other
climatic conditions than those stated under "Specification".
2. Moving the device from a cold to a warm environment may lead to malfunctions due to condensation. In such a case we
recommend waiting to allow device temperature to adjust to the ambient temperature before re-starting.
3. If device is to be connected to other devices the circuitry has to be designed most carefully. Internal connection in third
party units (e.g. connection GND and earth) may result in not-permissible voltages impairing or destroying the device or
another device connected.
Warning: If device is operated with a defective mains power supply (short circuit from mains voltage to output voltage)
this may result in hazardous voltages at the device (e.g. sensor socket).
4. If there is any risk whatsoever involved in running it, the device has to be switched off immediately and to be marked
accordingly to avoid re-starting.
Operator safety may be a risk, if :
- there is visible damage done to the device.
- the device is not working as specified.
- the device has been stored under unsuitable conditions for a longer time.
In case of doubt, please return device to manufacturer for repair or maintenance
Recalibration:
The measuring device will be calibrated before leaving our works. A recalibration is, therefore, not necessary. If you want to
calibrate the device for an existing sensor, please proceed as follows: (calibrate 0°C before scale as otherwise correct
adjustment cannot be guaranteed). Normally sensor adjustment by means of 0° C potentiometer is sufficent. We do not
recommend a scale compensation in order to maintain the specified accuracy of the device. If an accurate reference
temperature is available, choose highest temperature possible to calibrate the device.
Calibration point 0°C: Put ice cubes in a glass and pour cold water till ice cubes are
almost covered. Put sensor into glass, wait approx. 15 minutes, then stirr water with
a spoonhandle. Wait for stable value to be displayed, then turn zero point
potentiometer (NP, Potentiometer next to sensor connection) by means of a
screw driver till display shows "000".
Calibration point scale: To set the pitch (Scale) a fixed reference temperature is
required (the higher the better). Subject sensor to this temperature and set respective
display value according to correction table value (e.g. reference temperature 700°C
-> value to be set: 711) by means of pitch potentiometer (outer potentiometer).
Please note that boiling water should not be used as a temperature reference as the boiling temperature is dependent on the
atmospheric pressure.(If using a reference thermometer stating the precise temperature you may, however even use boiling water.)
Please note : During the waiting time the device should have assumed ambient temperature (we recommend a temperature
of 20 to 25°C). Please avoid holding device in your hand as well as subjecting it to an additional heat source (e.g. radiator,
lamp, sun).
Temperature
Display
Temperature
-50
-46
-40
-37
-30
-28
-20
-19
-10
-10
0
0
10
10
20
20
30
29
40
39
50
49
60
59
70
70
80
80
90
90
100
100
110
110
120
120
130
130
140
140
150
150
Display
Temperature
160
160
370
170
169
380
180
179
390
190
189
400
200
198
410
210
208
420
220
218
430
230
228
440
240
238
450
250
248
460
260
258
470
270
268
480
280
278
490
290
288
500
300
298
510
310
308
520
320
318
530
330
328
540
340
339
550
350
349
560
360
359
570
Correction table
Display
Temperature
369
580
379
590
390
600
400
610
410
620
421
630
431
640
441
650
452
660
670
462
680
472
690
483
700
493
710
504
720
514
730
524
740
535
750
545
760
556
770
566
780
576
H47.0.01.6C-02
View of frontplate
Display
Temperature
Display
587
790
802
597
800
812
607
810
822
618
820
832
628
830
842
639
840
852
649
850
862
659
860
871
670
870
881
680
880
891
690
890
901
700
900
911
711
910
920
721
920
930
731
930
940
741
940
949
751
950
959
762
960
969
772
970
978
782
980
988
792
990
997
page 2 of 2
Sensor Socket
Temperature
Display
1000
1007
1010
1016
1020
1026
1030
1035
1040
1045
1050
1054
1060
1063
1070
1073
1080
1082
1090
1091
1100
1100
1110
1110
1120
1119
1130
1128
1140
1137
1150
1146
1160
1155
1170
1164
1180
1173
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