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1
HH 504 / HH 505 CALIBRATION PROCEDURE
Note: The following calibration procedure should perform only by qualified technicians
who have access to the items as following.
Equipment: The class of calibrator had better 10 times greater than the measured meter.
1. Turn off the meter then set the adjusted jumper to J1.
2. Insert the 383.00
Ω
calibrator to the T1 then turn on the meter, the main
display reading reads 1830.0 then press " ENTER " key.
3. The second display is stabilized (about 5sec.), then press " ENTER " key
when the meter auto power off then set the jumper back to J3 position.
4. Turn on the meter then Insert the 100.00
Ω
calibrator. The display reading
reads 0°C if the calibration procedure is right.
℃
Pt385
Pt3926
-200
℃
18.521
Ω
16.996
Ω
-100
℃
60.256
Ω
59.479
Ω
0
℃
100.000
Ω
100.000
Ω
100
℃
138.505
Ω
139.272
Ω
200
℃
175.856
Ω
177.362
Ω
300
℃
212.052
Ω
214.275
Ω
400
℃
247.092
Ω
250.018
Ω
500
℃
280.977
Ω
284.591
Ω
600
℃
313.708
Ω
317.994
Ω
700
℃
345.280
Ω
―
800
℃
375.700
Ω
―
383.00
W
CALIBRATOR
+
RW1
RW1=RW2=RW3
RW=WIRERESISTANCE
G
+
_
_
RW2
383.00
W
G
RW3
Содержание HH504
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