Model: 255A

Ohmmeter

Properties:

Circuit Current For Which Designed
Dc
Overall Length
9.250 inches
Overall Height
9.125 inches
Overall Width
6.000 inches
Furnished Items And Quantity
Steel case 1; instruction manual 1; batteries 2
Indicator Type
Dial w/pointer
Installation Design
Hand held
Accuracy In Percent
-0.0/+2.0 at full scale single indicator all ranges
Accuracy In Percent
-0.0 to 2.0 at full scale single indicator all ranges
Power Source
Internal
Measurement Range
+0.0/+3.0 ohms single indicator 1st range
Measurement Range
+0.0/+30.0 ohms single indicator 2nd range
Measurement Range
+0.0/+300.0 ohms single indicator 3rd range
Measurement Range
+0.0/+3000.0 ohms single indicator 4th range
Measurement Range
+0.0 to 3.0 ohms single indicator 1st range
Measurement Range
+0.0 to 30.0 ohms single indicator 2nd range
Measurement Range
+0.0 to 300.0 ohms single indicator 3rd range
Measurement Range
+0.0 to 3000.0 ohms single indicator 4th range
Circuit Attachment Method And Quantity
2 wire lead
Operating Voltage Rating In Volts
1.500 dc
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular or square
NSN
6625-00-155-6030
Part Number
255A
Description
Ohmmeter
CAGE
04237

An instrument which measures electrical resistance and is calibrated in ohms or any multiple and/or submultiples thereof. The value may be expressed by means of a pointer and calibrated dial or a digital readout display. See also test set, insulation bbeakdown.

Part 255A NSN 6625-00-155-6030

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00494
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:
RH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
25.5 X 19.5 X 12.3
Paclk Weight:
20.0000lbs
Item Weight:
15.0000lbs
Item Dim:
023001700103
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
03
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
77.5
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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