Model: 4997-2

Electrical Frequency Meter

Special Features:

Ruggedized

Properties:

Circuit Current For Which Designed
Ac
Overall Length
3.343 inches
Center To Center Distance Between Mounting Facilities Parallel To Length
2.250 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
2.250 inches
Overall Height
3.125 inches
Overall Width
3.000 inches
Frequency Rating
400.0 hertz
Mounting Stud Length
0.500 inches
Furnished Items And Quantity
Mtg hdw 4; term. Hdw 2
Indicator Type
Vibrating reed
Installation Design
Panel
Register Quantity
1
Mounting Arrangement Style
Four hole/stud rectangular/square
Frequency Response Range
+10.000/+600.000 hertz
Frequency Response Range
+10.000 to 600.000 hertz
Sensitivity Rating
100.0 ohms per volt
Resonant Reed Quantity
11
Meter Depth Behind Mounting Flange
3.060 inches
Meter Body Diameter Behind Mounting Flange
2.790 inches
Movement Type
Vibrating reed
Power Source
External
Mounting Facility Type And Quantity
4 threaded stud
Measurement Range
+380.0/+420.0 hertz single indicator single range
Measurement Range
+380.0 to 420.0 hertz single indicator single range
Mounting Stud Diameter
0.112 inches
Scale Selection Method
Terminal
Circuit Attachment Method And Quantity
2 threaded stud
Operating Voltage Rating In Volts
Between 100.0 ac and 150.0 ac
Phase
Single
Material
Plastic
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
NSN
6625-00-649-4860
Part Number
4997-2
Description
Meter,electrical Frequency
CAGE
07239

An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.

Part 4997-2 NSN 6625-00-649-4860

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16454
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:
A
ESD:
ESD:
MMAC:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061620
UFC:
34540
LTL:
100.0
LCL:
--
WCC:
657
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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