Operator`s manual

Signametrics 140
r use by qualified personnel only. To avoid electric shock, do not perform
lable,
Instrument Type Minimum Specifications ded Model
These service instructions are fo
any procedures in this section unless you are qualified to do so.
This section presents maintenance information for the DMM.
est equipment recommended for calibration is listed below. If the recommended equipment is not avai
T
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
Recommen
Multi-Fun alibrator
tage Rang
oltage Accuracy
C Voltage Rang
Voltage Accuracy
Resistance Range:
Resistance Accura
DC Current Rang
Current Accuracy
Cur
Capacitance Range: 10 F – 10 mF
apacitance A
ction C
DC Vol e: 0-300 V
V : 4 ppm
A e: 0-250 V
: 0.007%
0-330 MΩ
cy: 12 ppm
e: 0-2.5 A
: 0.004%
AC Current Range: 50 uA – 2.5 A
rent Accuracy: 0.025%
η
C ccuracy: 0.19%
Fluke 5700A