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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 383.00Ω 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 100.00Ω calibrator. The display reading
reads 0°C if the calibration procedure is right.
G
+
_
383.00W CALIBRATOR
℃
-200℃
-100℃
0℃
100℃
200℃
300℃
400℃
500℃
600℃
700℃
800℃
+ RW1
_
RW2
383.00W
G
RW3
Pt385
Pt3926
18.521Ω
16.996Ω
60.256Ω
59.479Ω
100.000Ω
100.000Ω
138.505Ω
139.272Ω
175.856Ω
177.362Ω
212.052Ω
214.275Ω
247.092Ω
250.018Ω
280.977Ω
284.591Ω
313.708Ω
317.994Ω
―
345.280Ω
―
375.700Ω
1
RW1=RW2=RW3
RW=WIRERESISTANCE
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