Service Information
Preparing for Calibration
5
Table 4. Performance Test Values
Step
Calibrator
Setting
50T Coil
Current
Measure
i410
Lo mV
i410
Hi mV
i1010
Lo mV
i1010
Hi mV
DC Amps Zero Test
1
0.0
(ZERO knob CW)
NA
Pos. span
3.0
15.0
3.0
15.0
2
0.0
(ZERO knob CCW)
NA
Neg. span
−
15.0
−
3.0
−
15.0
−
3.0
DC Amps Test
1
3
0.04A dc
2.0A dc
2.00 mV
1.43
2.57
1.46
2.54
4
0.4A dc
20.0A dc
20.0 mV
18.8
21.2
19.1
20.9
5
-0.4A dc
-20.0A dc
-20.0 mV
-21.2
-18.8
-20.9
-19.1
6
1.2A dc
60.0A dc
60.0 mV
57.4
62.6
58.3
61.7
AC Amps Test
7
0.40A, 45 Hz, 400 Hz
20.0A ac
20.0 mV
18.8
21.2
19.1
20.9
8
0.40A, 2 kHz
20.0A ac
20.0 mV
NA
NA
18.9
21.1
9
1.0A 45 Hz, 400 Hz
50.0A ac
50.0 mV
47.7
52.3
48.5
51.5
10
1.0A 2 kHz
50.0A ac
50.0 mV
NA
NA
48.0
52.0
11
2.0A, 45 Hz, 400 Hz
100.0A ac
100.0 mV
96.0
104.0
97.5
102.5
12
2.0A, 1 kHz
100.0A ac
100.0 mV
NA
NA
96.5
103.5
DC Amps Balance Test
13
4.0A dc
200.0A dc
200.0 mV
1.0A maximum change from Center of Jaw
Reading to Top or Bottom of Jaw Readings.
DC Amps Test
14
4.0A dc
200.0A dc
200.0 mV
192.5
207.5
195.5
204.5
15
8.0A dc
400.0A dc
0.4000V
0.3855V
0.4145V
0.3915V
0.4085V
16
-8.0A dc
-400.0A dc
-0.4000V
-0.4145V
-0.3855V
NA
NA
17
-12.0A dc
-600.0A dc
-0.6000V
NA
NA
-0.6125V
-0.5875V
18
20.0A dc
1000.0A dc
1.0000V
NA
NA
0.9795V
1.0205V
19
-20.0A dc
-1000.0A dc
-1.0000V
NA
NA
-1.0205V
-0.9795V
AC Amps Test
20
2.4A, 45 Hz, 400 Hz
120.0A ac
120.0 mV
115.3
124.7
117.1
122.9
21
2.4A, 800 Hz
120.0A ac
120.0 mV
NA
NA
115.9
124.1
22
5.0A, 45 Hz, 400 Hz
250.0A ac
250.0 mV
240.7
259.3
244.5
255.5
23
8.0A, 45 Hz, 400 Hz
400.0A ac
0.4000V
0.3855V
0.4145V
NA
NA
24
12.0A, 45 Hz, 65 Hz
600.0A ac
0.6000V
NA
NA
0.5875V
0.6125V
Notes:
1. Prior to performing DC Amp tests, adjust ZERO so that the DMM reads 00.0 +/- 00.1 mV without current applied.