Model: 255

Indicating Pyrometer

Special Features:

As differentiated by the scale range requirement

Properties:

Overall Depth

2.730 inches

Overall Diameter

2.800 inches

Mounting Bolt Circle Diameter

2.440 inches

Scale Calibration

Calibrated for thermocouples with external resistance of 10 ohms

Scale Smallest Increment

5.0 degrees fahrenheit and 5.0 degrees celsius

Measurement Type

Millivolt circuit

Case Type

Hermetically sealed

Scale Accuracy Rating

2 pct entire range

Scale Measurement Range

-75.000 to 225.000 degrees fahrenheit

Pointer/pen Type And Quantity

1 indicating single

Material

Plastic phenolic meter case

NSN

6685-00-063-8980

Part Number

255

Description

Pyrometer,indicating

CAGE

80145

A pyrometer which utilizes the effect of temperature variation to change the characteristics of an electrical constant and this difference of electrical potential is shown by the position of a pointer relative to a graduated scale.

Part 255 NSN 6685-00-063-8980

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

07343

FIIG:

A27600

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

1.0000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

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:

RATING VARIABLE

LCL:

WCC:

657

TCC:

SHC:

ACC:

Instruments/Radio

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Schedule B and Export

Schedule B: 9025194000
SITC: 87455
End Use: Measuring, testing, control instruments
NAICS: 334513
USDA: 1

Freight Class: Pyrometers not combined with other instruments