Model #421-13

Arbitrary scale meter (NSN 6625-00-979-9123)

Special Features
Terminal identification data: 1 plus 28 volts, 1 plus 15 volts, 1 minus and 1 ground

Circuit Current For Which Designed

Dielectric Withstanding Voltage In Volts

1500.0

Mounting Hole Diameter

0.125 inches

Overall Diameter

2.695 inches

Indicator Type

Dial w/pointer

Installation Design

Panel

Mounting Arrangement Style

Three hole/stud bolt circle

Dial Scale Marking Color

Black single indicator all ranges

Accuracy In Percent

-1.0/+1.0 at full scale single indicator all ranges

Meter Body Diameter Behind Mounting Flange

2.210 inches

Movement Type

Moving coil, permanent magnet

Background Color

White single indicator all ranges

Pointer Color

Black single indicator all ranges

Scale Marking

3 bands: 1 red at lower end of scale; 1 green at center scale with vertical rectangle dotted in center; 1 red at upper end of scale

Mounting Facility Type And Quantity

3 unthreaded hole

Scale Graduation Type

Nonlinear single indicator all ranges

Features Provided

Magnetic shield and zero adjuster

Movement Suspension Method

Jewel pivot base

Circuit Attachment Method And Quantity

4 solderless lug

Special Markings

15 v reg beneath vertical rectangle on scale; voltage beneath scale

Nuclear Hardness Critical Feature

Nonhardened

Style Designator

Round flush mtg

Supplementary Features

Insulation resistance: 20 meghoms from terminals to meter case

Fsc Application Data

Test set, elect. Equip.

Description

Meter,arbitrary Scale

Cage Code

15309

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