NSN 6685-00-490-2956

Part Details | PYROMETER AND THERMOCOUPLE TESTER

6685-00-490-2956 An instrument used for checking thermocouples and pyrometers. It is designed with a compensator which can be adjusted so that the measured electromotive force, corrected to a standard reference temperature, can be read directly from a scale. It can be used as a pH meter. Excludes RESISTOR, VARIABLE, WIRE WOUND; RESISTOR, VARIABLE, NONWIRE WOUND; METER, HYDROGEN ION TEST; and PYROMETER (as modified).

Alternate Parts: 8662S, 6685-00-490-2956, 00-490-2956, 6685004902956, 004902956

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-490-295607344 ( TESTER, PYROMETER AND THERMOCOUPLE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-490-2956
Part Number Cage Code Manufacturer
8662S31922LEEDS AND NORTHRUP COA UNIT OF GENERAL SIGNAL CORP
Technical Data | NSN 6685-00-490-2956
Characteristic Specifications
MEASUREMENT TYPE MILLIVOLT CIRCUIT
SCALE TYPE ECCENTRIC
SCALE ACCURACYPORM 0.050 PCT ACCURACY RATING
SCALE CALIBRATIONCALIBRATED TO IRON CONSTANTAN THERMOCOUPLE
SCALE SMALLEST INCREMENT0.01 MILLIVOLTS
SCALE LENGTH12.000 INCHES NOMINAL
INDICATING POINT TYPE MULTIPLE
CONTROL SWITCH TYPE15 POINT DIAL SWITCH
POINT QUANTITY15
OFF POSITION QUANTITY1
CASE TYPEEW ANY ACCEPTABLE
OVERALL LENGTH20.500 INCHES NOMINAL
OVERALL WIDTH8.875 INCHES NOMINAL
OVERALL HEIGHT9.250 INCHES NOMINAL
INSTALLATION DESIGN PORTABLE
ACCESSORY COMPONENTS AND QUANTITY3 BATTERIES,DRY CELL