Operator`s manual

Table Of Contents
Signametrics 170
#define SType 'S'
#define TType 'T'
6.0 Maintenance
Warning
These service instructions are for use by qualified personnel only. To avoid electric shock, do not perform
any procedures in this section unless you are qualified to do so.
This section presents maintenance information for the DMM.
Test equipment recommended for calibration is listed below. If the recommended equipment is not available,
equipment that meets the indicated minimum specifications may be substituted. In general, the calibration
equipment should be at least three times more accurate than the DMM specifications.
Recommended Test Equipment
Instrument Type
Minimum Specifications Recommended Model
Multi-Function Calibrator
DC Voltage Range: 0-300 V
Voltage Accuracy: 4 ppm
AC Voltage Range: 0-250 V
Voltage Accuracy: 0.007%
Resistance Range: 0-240 M
Resistance Accuracy: 12 ppm
DC Current Range: 0-2.5 A
Current Accuracy: 0.004%
AC Current Range: 50 uA – 2.5 A
Current Accuracy: 0.025%
Capacitance Range: 10 F – 10 mF
Capacitance Accuracy: 0.19%
Fluke 5700A