Management Procedure 2559 Rev A
Page
2
of
7
1
Introduction and UUC Performance Requirements
1.1
This procedure describes the calibration of DeFelsko Corporation PosiTest LPD.
Table 1-1
Models
Measurement Range
PosiTest LPD
80 – 400 k
Ω
9 – 90 VDC
1.2
The unit being calibrated will be referred to as the UUC (unit-under-calibration).
2
Measurement Standards and Support Equipment Performance Requirements
2.1
The UUC accuracy requirements are based upon the published UUC performance
specifications.
2.2
The test uncertainty ratio applied in this Calibration Procedure is 4:1 unless otherwise
stated.
2.3
The Minimum-Use-Specifications are the minimum test equipment specifications
required to meet all the UUC accuracy requirements and the test uncertainty ratio
applied.
Table 2-1 UUC Accuracy Requirements and Description
UUC Parameter
Performance
Specifications
Test Method
Resistance
80 – 400 k
Ω
+ 3%
Resistance Decade
Box
DC Voltage*
9 – 90 V + 5%
Digital Multimeter
* Optional calibration
Table 2-2 Minimum Use Specification
Parameter
Range
Accuracy
Resistance
80 – 400 k
Ω
0.6 k
Ω
DC Voltage
9 – 90 V
0.1 V
Table 2-3 Actual Equipment Specification
Parameter
Range
Accuracy
Manufacturer/Model #’s
Applicable
Resistance
0 – 9,999 k
Ω
+(0.1% of r 0.025
Ω
)
IET Labs
RS-201
DC Voltage
5 – 50 V
+(0.02% of r 0.004V)
Keysight
U3401A
DC Voltage
51 – 500 V
+(0.02% of r 0.04V)
Keysight
U3401A
