NAVAIR 17-20AQ-347
4
Item Minimum
Use
Specifications
Calibration
Equipment
2.7 Resistor, standard
Resistance: 100 k
Ω
Uncertainty: NA (actual value is measured)
Electro-Scientific Industries
SR1-100K
2.8 Resistor, standard
Resistance: 1 M
Ω
Uncertainty: NA (actual value is measured)
Electro-Scientific Industries
SR1-1M
2.9 Resistor, standard
Resistance: 100 M
Ω
in 10 M
Ω
steps
Tolerance:
±
0.01% iv
Electro-Scientific Industries
SR1-1050-10M STEP
2.10 Thermal transfer standard
(TTS)
Certified with a Report of Calibration from NPSL Fluke 540B
2.11 Resistor, standard
Resistance: 1
Ω
±
0.003%
Leeds and Northrup 4020B
SECTION 3
PRELIMINARY OPERATIONS
3.1 Ensure that all power switches are set to off, and set all auxiliary equipment controls as necessary to avoid damage to the
equipment and so that dangerous voltages will not be present on output terminals when the power switches are turned on.
3.2 Ensure that the following equipment controls are set as follows:
Reference Divider (item 2.1.3)
STD CELL CIRCUIT switch to
OPEN
INPUT VOLTAGE switch to
100 V
OUTPUT VOLTAGE switch to
100 V
ERS (item 2.1.5)
Voltage-Output controls to
V
ref
(its 10 V Assigned-Reference-Output voltage)
Voltage Divider (item 2.1.2)
Voltage Dials set to
one-twentieth of proceeding
20
V
:
V
ref
ref
Null Detector (item 2.1.4
OPR-ZERO switch to
ZERO
RANGE switch
300
μ
V (to be changed as required later)
DV Source (item 2.1.1)
POWER switch to
STDBY/RESET
VOLTAGE RANGE switch to
100
OUTPUT DIALS for
22 V
VOLTAGE TRIP vernier to
fully CW
METER switch to
VOLTAGE
CURRENT LIMIT control to
approximately ¼ of fully CW
position (about 15 mA)