Model: 122-920A

Modulation Meter

Properties:

Circuit Current For Which Designed
Ac
Overall Length
3.750 inches
Mounting Hole Diameter
0.125 inches
Scale Division Quantity
3 single indicator single range
Frequency Rating
400.0 hertz
Overall Diameter
2.695 inches
Mounting Bolt Circle Diameter
2.438 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Dial Scale Marking Color
White single indicator single range
Accuracy In Percent
-0.5/+0.5 at full scale single indicator single range
Meter Depth Behind Mounting Flange
2.913 inches
Meter Body Diameter Behind Mounting Flange
2.210 inches
Movement Type
Moving iron vane
Background Color
Black single indicator single range
Mounting Facility Type And Quantity
3 unthreaded hole
Measurement Range
-7.0/+7.0 percent deviation single indicator single range
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
6 solder stud
Special Markings
Red line at center of scale
Style Designator
Round flush mtg
NSN
6625-00-929-0821
Part Number
122-920A
Description
Meter,modulation
CAGE
34830

An instrument which measures the relative amount of modulation present in an electrical wave form and is usually calibrated in percent or kilohertz (kilocycles) deviation. The value may be expressed by means of a pointer and calibrated dial or a digital readout display.

Part 122-920A NSN 6625-00-929-0821

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16446
FIIG:
A310A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061620
UFC:
34540
LTL:
100.0
LCL:
100.0
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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