Model: 2900-5050-300

Null Meter

Special Features:

272 ohm resistance

Properties:

Circuit Current For Which Designed
Ac
Overall Length
1.750 inches
Overall Height
2.470 inches
Overall Width
2.470 inches
Scale Division Quantity
20 single indicator 1st range
Scale Division Quantity
60 single indicator 2nd range
Indicator Type
Dial w/pointer
Installation Design
Panel
Sensitivity Rating
250.0 microamperes
Dial Scale Marking Color
Black single indicator all ranges
Accuracy In Percent
-2.0/+2.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
1.100 inches
Meter Body Diameter Behind Mounting Flange
2.190 inches
Background Color
White single indicator all ranges
Pointer Color
Black single indicator all ranges
Scale Marking
Freq error; lower range: 1.0; .5; 0; .5; 1.0; upper range: 3; 2; 1; 0; 1; 2; 3; p and m sign respective side of 0
Scale Graduation Type
Linear single indicator all ranges
Features Provided
Knife edge pointer and zero adjuster
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 threaded stud
Nuclear Hardness Critical Feature
Nonhardened
Special Test Features
Meets ansi c39.1
Style Designator
Rectangular flush mtg
Supplementary Features
Shielded core
NSN
6625-01-280-5429
Part Number
2900-5050-300
Description
Meter,null
CAGE
51190

An electrically operated instrument having a zero point on its scale (usually located in the center thereof). It may not indicate units of electrical measurement. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. When the indication shows zero, an electrical value of "zero" has been reached in the circuit. It is generally used in situations in which zero is the desired effect. Excludes ammeter, galvanometer; meter, arbitary scale; and voltmeter.

Part 2900-5050-300 NSN 6625-01-280-5429

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
61382
FIIG:
A310A0
Concept No.:
App. Key:
C
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:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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