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644B639A16

Ammeter

Model / MPN: 644B639A16 | NSN: 6625-00-212-7321

An instrument which measures electric current and is calibrated and marked in amperes or any multiple and/or submultiple thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. For current detecting type of devices, see galvanometer.

Product Details

NATO Stock Number

6625-00-212-7321

Sold in multiples of

DEMIL

Circuit Current For Which Designed

Overall Length

2.172 inches

Overall Height

4.000 inches

Overall Width

4.500 inches

Mounting Stud Length

0.547 inches

Distance Between Mounting Facility Centers

3.500 inches

Installation Design

Panel

Mounting Arrangement Style

Two hole/stud

Frequency Response Range

+25.000/+500.000 hertz

Dial Scale Marking Color

Black single indicator single range

Accuracy In Percent

-2.0/+2.0 at full scale single indicator single range

Meter Depth Behind Mounting Flange

1.641 inches

Meter Body Diameter Behind Mounting Flange

2.790 inches

Movement Type

Moving iron vane

Background Color

White single indicator single range

Mounting Facility Type And Quantity

2 threaded stud

Measurement Range

+0.0/+150.0 amperes, ac single indicator single range

Mounting Stud Diameter

0.180 inches

Movement Suspension Method

Taut band

Circuit Attachment Method And Quantity

2 threaded stud

Material

Plastic

Style Designator

Rectangular flush mtg

644B Series Parts

Pricing and Availability

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ISO 9001:2015 + AS9120B
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Ammeter

Pricing and Availability

Certified Quality Assurance

644B639A16 Cross Reference