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Model Number Description
DC Switchboard Meters
AC Switchboard Meters - Iron Vane & Rectifier types
Wattmeter's

Temperature Indicators
Frequency Meters
Voltmeters
Standard Features
General Specifications
Options

 

Volt Meters

Drilling Plan

 SPECIFICATIONS:
Initial Accuracy (at 45C and 400 Hz): 0.10% Center half of scale / 0.20% Other scale points
Dielectric Stress: 1500 Volts RMS
Insulation Resistance:  20 Megohms, minimum
Burden:   10 volt-amperes max.
Storage Temperature: -65C to +100
Operating Temperature:   0 to +65C
Weight, 3” Panel: Approx. weight 2.25 pounds
Weight, 4” Swbd: Approx. weight 5.25 pounds
Over voltage:  135 of rated voltage for 15 minutes
Scale Details:  250 degrees scale arc with black markings on white background

 

Scale Range (Volts / RMS)

Model Number*
(Military Designation)

Resolution

3” Panel

4” Swbd.

110-120

3432-020
(MR39W115AFH)

4931-009
(MR49W115AFH)

0.1

115-125

3432-021
(MR39N120AFH)

4931-010
(MR49W120AFH)

0.1

198-218

3432-022
(MR39W208AFH)

4931-011
(MR49W208AFH)

0.2

210-230

3432-023
(MR39W220AFH)

4931-012
(MR49W220AFH)

0.2

420-460

3432-024
(MR39W440AFH)

4931-013
(MR49W440AFH)

0.5

430-470

3432-025
(MR39W450AFH)

4931-014
(MR49W450AFH)

0.5

 

 Applicable Specs.
Meter Movement:  MIL-V-23151, MIL-PRF-10304F, MIL-DTL-16034B
Vibration:  MIL-STD-167
Shock:  MIL-S-901
Frequency:  400Hz

 

 

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