Model: 257D

Field Strength Meter

Properties:

Circuit Current For Which Designed
Ac or dc
Overall Depth
6.000 inches
Overall Length
9.000 inches
Overall Width
8.500 inches
Frequency Rating
Between 50.0 hertz and 60.0 hertz
End Application
Peacekeeper and servielance programs
Indicator Type
Dial w/pointer
Installation Design
Bench
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-5.0/+5.0 at full scale single indicator all ranges
Background Color
White single indicator all ranges
Pointer Color
Black single indicator all ranges
Scale Graduation Type
Nonlinear single indicator all ranges
Measurement Range
-0.1/+0.1 volts per meter single indicator 1st range-0.2/+0.2 volts per meter single indicator 2nd range-0.5/+0.5 volts per meter single indicator 3rd range-1.0/+1.0 volts per meter single indicator 4th range-2.0/+2.0 volts per meter single indicator 5th range-5.0/+5.0 volts per meter single indicator 6th range-10.0/+10.0 volts per meter single indicator 7th range
Scale Selection Method
Switch
Features Provided
Portable and internal battery accommodation
Circuit Attachment Method And Quantity
1 sensor
Operating Voltage Rating In Volts
Between 90.0 ac and 260.0 ac and 6.0 dc
Phase
Single
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Portable
Unit Of Issue Weight
1.00 pounds
NSN
6625-01-355-2830
Part Number
257D
Description
Meter,field Strength
CAGE
23038

An instrument which measures the electrical intensity of radiated electromagnetic energy and is usually calibrated in volts per meter or any multiple or submultiple thereof. See also fluxmeter.

Part 257D NSN 6625-01-355-2830

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03602
FIIG:
A310A0
Concept No.:
App. Key:
B
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:
RH
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
175.0
WCC:
738
TCC:
3
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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