Check Dc Current Measurement; Check Resistance Measurement Accuracy; Check Rms Voltage Measurement Accuracy - Tektronix 213 DMM Instruction Manual

Performance Check-213 Service
TABLE 5-4
DC Voltage Measurement Accuracy
VOLTS-mA/DIV
DC Voltage
Setting
Reading Limits
(blue scale)
Standard Setting
0.1 +0.2000 V +.1995 to +.2005
-0.2000 V -.1995 to -.2005
1
+2.0000 V +1.997 to +2.003
-2.0000 V
-1.997 to -2.003
10 +20.000 V +19.96 to +20.04
-20.000 V
-19.96 to -20.04
100 +200.00 V +199.6 to +200.4
-200.00 V -199.6 to -200.4
1000 +750.00 V +0747 to +0753
-750.00 V -0747 to -0753
e. Reset RMS pushbutton to out.
f.
Disconnect the Standard.
7. CHECK DC CURRENT MEASUREMENT ACCURACY
a. Set mA pushbutton in.
b. Connect the DC Current Standard to the mA-n and
common jacks using two banana jacks to BNC adapters
and a cable.
c. Set VOL TS-mA/DIV and the Standard as shown in
Table 5-5.
d. CHECK-Reading is within limits shown in Table 5;5.
e. Disconnect the Standard.
8. CHECK RESISTANCE MEASUREMENT ACCURACY
a. Set n pushbutton in.
b. Connect the Resistance Standard to the mA-n and
common jacks using two banana plug to BNC adapters
and a cable.
5-8
TABLE 5-5
DC Current Measurement Accuracy
VOL TS-mA/DIV
DC Current
Setting
Standard Setting
Reading Limits
(blue scale)
0.1 ALL ZEROS -.0003 to +.0003
0.1
+0.1 mA
+.0992 to +.1008
1 +1 mA
+0.994 to +1.006
10 +10 mA +09.94 to +10.06
100 +100 mA
+099.4 to +100.6
1000 +1 A +0994 to + 1006
TABLE 5-6
Resistance Measurement Accuracy
VOL TS-mA/DIV
Resistance
Standard
Reading Limits
Setting
Setting
1 kn o.5oo n 0.494 to 0.506
10 kn 5.00 kn 04.96 to 05.04
100 kn 50.0 kn
049.6 to 050.4
1Mn 500 kn
0.496 to 0.504
10Mn
5.00 Mn 04.94 to 05.06
c. Set VOL TS-mA/DIV and the Resistance Standard as
shown in Table 5-6.
d. CHECK-Reading is within limits shown in Table 5-6.
e. Disconnect the Standard.
9. CHECK RMS VOLTAGE MEASUREMENT ACCURACY
NOTE
This procedure verifies the specified accuracy of
the 213, but does not check all the ranges. For
further information, refer to the following in
Section 6: (a) Calibration steps 12 and 12A;
(b) Item 5 and foot note 3 in Table 6-1.
a. Connect the Digital Voltmeter and the probe to the
Amplitude Calibrator with a T-connector, dual banana
plug to BNC adapter, probe adapter, and a cable. Set
the Calibrator for a square-wave output.
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