Model: ANURM81

Electrical Frequency Meter

Properties:

Overall Length
19.000 inches
Overall Height
12.500 inches
Overall Width
17.375 inches
Frequency Rating
Between 1.0 kilohertz and 50.0 kilohertz
Furnished Items And Quantity
Frequency meter fr-6/u 1, case meter cy- 1501/u 1, cord cg-409/u 1, frequency data book 1
Frequency Response Range
+100.0/+500.0 megahertz
Features Provided
Internal frequency calibrating crystal
Phase
Single
Functional Classification
Aa-6.3
Functional Description
Portable instrument capable of measuring any frequency within the range of 100 to 500 mhz w/accuracy of porm 0.001 pct. Uses heterodyne principle for determining frequency of an unknown signal; measurement is accomplished by heterdyning a known signal from the test instrument against the unknown signal. Check points are used to calibrate the instrument throughout its operating range. Used to test the following avionics systems: an/akt-18; an/ara-31; an/arc-54; an/arc-60; an/arc-73; an/arn-3 (); an/crd-4; an/trc-68; an/urr-35c; r-508/arc; r-509/arc, and t-366() /arc
Material
Aluminum
Entry Date
70-01-09
Reference Data And Literature
Dept of army publications: tm11-5096 w/changes 1 and 2, oct 55; tm11-6625-312-12p w/change 1, jul 59; tm11-6625-312-35p w/change 2, jul 59; tb11-6625-312-35/1
Type/model Designation
An/urm-81
NSN
6625-00-539-9910
Part Number
ANURM81
Description
Meter,electrical Frequency
CAGE
80058

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 ANURM81 NSN 6625-00-539-9910

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
9,999.9000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
136740
UFC:
68820
LTL:
100.0
LCL:
--
WCC:
72D
TCC:
Z
SHC:
Q
ACC:
Equipment for Aircraft

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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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