GRAPHTEC gl200 Service Manual page 31

(4) Press the [DISPLAY] key until the menu shown below appears.
(5) Input the reference voltage for each range according to the table below, and then check that the level of
measurement is within the rating.
Range
20 mV
50 mV
100 mV
200 mV
500 mV
1 V
2 V
5 V
10 V
20 V
50 V
This value will change
when the reference voltage
is input from the voltage
generator.
(6) Press the [START/STOP] key when the input voltage stabilizes.
GL200-UM-251-9370
Voltage precision ratings
Input voltage
+20.000 mV
+50.000 mV
+100.00 mV
+200.00 mV
+500.00 mV
+1.0000 V
+2.0000 V
+5.0000 V
+10.0000 V
+20.0000V
+50.000 V
5-4
5. INSPECTION AND CHECK PROCEDURES
Rating (±0.08%)
+19.984 mV to +20.016 mV
+49.96 mV to +50.04 mV
+99.92 mV to +100.08 mV
+199.84 mV to +200.16 mV
+499.6 mV to +500.4 mV
+0.9992 V to +1.0008 V
+1.9984 V to +2.0016 V
+4.996 V to +5.004 V
+9.992 V to +10.008 V
+19.984 V to +20.016 V
+49.96 V to +50.04 V