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Victoreen 875
Operators Manual
5-2
Table 5-1. Recommended Test Equipment
Current Generator - Test Electrometer
Range 1 x 10
-12
Amps to 1 x 10
-3
Amps
Accuracy, Current Generator
10
-12
Amps ± 10%
10
-11
Amps ± 3%
10
-10
to 10
-7
Amps ± 2%
10
-7
to 10
-3
Amps ± 0.2%
Accuracy Test Electrometer
± 0.2% ± 1 digit with integration time long enough to accumulate 3
significant digits of volts indicated on display V/R ± 0.2% ± 1 digit
Adjustable AC Voltage Source
Maximum Voltage Low range 140 VAC, high-range 280 VAC
Frequency 60 Hz
4 ½ Digit Digital Multimeter
Fluke 8600A or equivalent
Ranges + 0 to 100 mV up to + 0 to 100 V (20% over-range)
Accuracy
100 mV range: ± (0.05% of input ± 0.02% of range)
all other ranges: ± (0.02% of input ± 0.01% of range)
Input Impedance > 10 megohms
DC Voltage
± 0.03%
AC Voltage
± 1%
DC Current
± 0.3%
Trim Pot Adjustment Tool
Carbon Composition Resistor
Resistance 10 kilohms, ½ W, 5%
Lead Connectors Small alligator clips
DC Power Supply
Output Voltage 0 to + 25 VDC
Output Current 0 to 600 mA
Load Regulation
0.01% ± 4 mV
Adjustable Current Limit Down to 10 mA
Multi-function Counter
Fluke 1900A or equivalent
Frequency 5 Hz to 80 MHz (0.1 to 100 Hz Resolution)
Period 5 Hz to 1 MHz, single and multiple period averages
(1 to 100 nsec resolution)
Total Counts 1 to 999,999 counts
Test Procedure TP876A-1-108
Factory test procedure, TP876A-1-108, contains this information necessary to perform electronic
alignment of the 876A-1-108 Readout Module. This procedure is included in Appendix A.