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) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-490-2956 | 07344 ( TESTER, PYROMETER AND THERMOCOUPLE ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6685-00-490-2956
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8662S | 31922 | LEEDS 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 ACCURACY | PORM 0.050 PCT ACCURACY RATING |
| SCALE CALIBRATION | CALIBRATED TO IRON CONSTANTAN THERMOCOUPLE |
| SCALE SMALLEST INCREMENT | 0.01 MILLIVOLTS |
| SCALE LENGTH | 12.000 INCHES NOMINAL |
| INDICATING POINT TYPE | MULTIPLE |
| CONTROL SWITCH TYPE | 15 POINT DIAL SWITCH |
| POINT QUANTITY | 15 |
| OFF POSITION QUANTITY | 1 |
| CASE TYPE | EW ANY ACCEPTABLE |
| OVERALL LENGTH | 20.500 INCHES NOMINAL |
| OVERALL WIDTH | 8.875 INCHES NOMINAL |
| OVERALL HEIGHT | 9.250 INCHES NOMINAL |
| INSTALLATION DESIGN | PORTABLE |
| ACCESSORY COMPONENTS AND QUANTITY | 3 BATTERIES,DRY CELL |