Model: HM3

Modulation Meter

Properties:

Circuit Current For Which Designed
Dc
Overall Length
1.963 inches
Mounting Hole Diameter
0.150 inches
Overall Diameter
3.500 inches
Mounting Bolt Circle Diameter
3.160 inches
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Dial Scale Marking Color
Black single indicator single range
Meter Depth Behind Mounting Flange
1.060 inches
Meter Body Diameter Behind Mounting Flange
2.680 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator single range
Mounting Facility Type And Quantity
3 unthreaded hole
Measurement Range
+0.0 to 240.0 kilohertz single indicator 2nd range
Measurement Range
+0.0 to 50.0 percent modulation single indicator 3rd range
Measurement Range
+0.0 to 80.0 kilohertz single indicator 1st range
Measurement Range
+0.0 to 100.0 percent modulation single indicator 4th range
Special Markings
Red line from 0 to 30 pct on 0 to 50 pct scale
Style Designator
C1 round flush mtg
Style Designator
Round flush mtg
NSN
6625-00-088-9106
Part Number
HM3
Description
Meter,modulation
CAGE

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 HM3 NSN 6625-00-088-9106

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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