TB 55-6625-726-35
NOTE
Minimum use specifications are the.
Principal
parameters required for performance of the
selection of alternate equipment, which may be used
at the discretion of the calibrating activity.
Satisfactory performance of alternate items shall be
verified prior to use. All applicable equipment must
bear evidence of current calibration.
Table 2-1. Calibration Equipment Required
Minimum use
Equipment
Item
Common name
specifications
identification1
A1
Differential
Range: 0-1000 vac
John Fluke
Range: 0-10 ma ac
Model 853A
Accuracy: 0.5%
6625-489-8908
A2
Decade
Range: 0.1 ohm-
ZM-16/U
resistor
111 megohm
6625-669-0266
Accuracy: 1.0%
1The calibration equipment utilized in this procedure was selected from those known to be available at Department of
Defense facilities; and the listing by model number carries no implication of preference, recommendation, or approval
by the Department of Defense for use by other agencies. It is recognized that equivalent equipment produced by other
manufacturers may be capable of equally satisfactory performance in the procedure.
2Input impedence, 1 megohm.
2-2.
Accessories Required.
The accessories listed in table 2-2 are to be used in the calibration procedure. When necessary, these items may be
substituted by equivalent items unless specifically prohibited.
Table 2-2. Accessories Required
Item
Common name
Accessory identification
B1
Lead electrical2
24-in. 18 AWG; banana plug termination
(red) 7907497
B2
Lead electrical
24-in. 18 AWG; banana plug termination
(black) 7907498
2Two required.
3