Model: 7521

Multiple Scale Meter

Properties:

Circuit Current For Which Designed
Dc
Dielectric Withstanding Voltage In Volts
2600.0
Overall Length
Between 1.930 inches and 1.970 inches
Overall Height
Between 2.350 inches and 2.390 inches
Overall Width
Between 2.540 inches and 2.580 inches
Environmental Protection
Shock resistant and vibration resistant
Indicator Type
Dial w/pointer
Installation Design
Panel
Sensitivity Rating
500.0 microamperes
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-2.0/+2.0 at full scale single indicator all ranges
Unable To Decode
Unable to decode or unable to decode
Meter Depth Behind Mounting Flange
1.420 inches
Meter Body Diameter Behind Mounting Flange
0.750 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator all ranges
Pointer Color
Black single indicator all ranges
Power Source
External
Mounting Facility Type And Quantity
1 bezel and 1 collar
Scale Graduation Type
Nonlinear single indicator all ranges
Measurement Range
+0.0/+100.0 decibels single indicator 1st range-20.0/+3.0 decibels above or below one milliwatt single indicator 2nd range-10.0/+13.0 decibels above or below one milliwatt single indicator 3rd range+0.0/+23.0 decibels above or below one milliwatt single indicator 4th range
Features Provided
Knife edge pointer and zero adjuster
Movement Suspension Method
Jewel pivot base
Circuit Attachment Method And Quantity
2 threaded stud
Special Markings
Top three scales; dbm; 1st scale: 0, +10, +20, +23; 2nd; -10, 0, +10, +13; 3rd: -20, -10, 0, +3; 4th: rfdb; 0, 20, 40, 60, 80, 100
Material
Plastic
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Electrical, electronic properties measuring and test instruments
NSN
6625-01-126-3156
Part Number
7521
Description
Meter,multiple Scale
CAGE
65092

An instrument with two or more different scales measuring different quantities, usually on a single calibrated dial or digital readout display. it is intended for visually monitoring an operation. the meter must be permanently connected into an appropriate electronic circuit. excludes: ammeter; voltmeter; wattmeter and meter, electrical frequency.

Part 7521 NSN 6625-01-126-3156

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
62222
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:
0.4000lbs
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:
136740
UFC:
68820
LTL:
RATING VARIABLE
LCL:
--
WCC:
657
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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