MIL-HDBK-1839 Calibration and Measurement RequirementsThis information and interpretive guidance provided by this handbook are intended to clarify the requirements invoked by Mil-Std-1839. This handbook is for guidance only. this handbook cannot be cited as a requirement. If it is, the contractor does not have to comply.

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CATEGORY I OPERATIONAL/SYSTEM EQUIPMENT

CATEGORY II TEST/MEASUREMENT & DIAGNOSTIC EQUIPMENT

CATEGORY III CALIBRATION EQUIPMENT/STANDARDS

TOC No.

Description of Item

Operation Range

Spec Value

Operating

Tolerance

Interval

Description of

Item

Specific Range/ Value

Specific

Tolerance

Description of Item

Specific

Range/ Value

Specific

Tolerance

1.3

Digitizing O'Scope

250 MHz E1428A Ch 2

Channel 2

DC coupled

50 ohms

0.5 ohms

30 ohms

+ 0.125 ohms

VOLTAGE MEASUREMENT UNCERTAINTY

Meter Calibrator

5700A NAF (Part of PATEC)

33K8-4-567-1

(Air Force Procedure)

Ch 1 & Ch 2

Range

DCV

Channel 1 with 15V

offset

40 Vdc

0.4 %

30 Vdc

+ 0.1%

Input Impedance

50 ohms

15 Vdc

0.4 %

15 Vdc

+ 0.1%

5 Vdc

0.4 %

5 Vdc

+ 0.1%

Offset 600 mV

1.2 Vdc

0.4 %

1.2 Vdc

+ 0.1%

600 mVdc

0.4 %

600 mVdc

+ 0.1%

200 mVdc

0.4 %

200 mVdc

+ 0.1%

60 mVdc

0.4 %

60 mVdc

+ 0.1%

Offset 30 mV

30 mVdc

0.4 %

30 mVdc

+ 0.1%

10 mVdc

0.4 %

10 mVdc

+ 0.1%

Offset 21 mV

42 mVdc

0.4 %

42 mVdc

+ 0.1%