Part Number
Part Number:
NSN:
NIIN:
Item Name:
PSYCHROMETER
Definition:
AN INSTRUMENT THAT SENSES, MEASURES, AND INDICATES THE AMOUNT OF RELATIVE HUMIDITY IN THE ATMOSPHERE. IT CONSISTS OF TWO LIQUID-IN-GLASS THERMOMETERS, ONE OF WHICH IS EQUIPPED WITH A WICK. AIR MOVEMENT (ASPIRATION) IS EFFECTED BY SLINGING THE INSTRUMENT ABOUT, BY USE OF BLOWER, FAN OR THE LIKE; OR THE INSTRUMENT MAY BE USED WITH NO FORCED CIRCULATION OF AIR.
CAGE Information
| Code | Company |
|---|---|
| 82187 | NATIONAL WEATHER SERVICE DBA NATIONA |
Federal Supply Class
Title
PRESSURE, TEMPERATURE, AND HUMID
Inclusions:
INCLUDES THERMOMETERS, INCLUDING ENGINE THERMOMETERS; PRESSURE GAGES; THERMOCOUPLE LEADS; RESISTANCE BULBS.
Exclusions:
EXCLUDES CLINICAL THEROMETERS; (FSC 6515); THERMOSTATIC AND DIFFERENTIAL PRESSURE SWITCHES (FSC 5930); AND METEOROLOGICAL INSTRUMENTS (FSC 6660).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABHP | OVERALL LENGTH | 10.125 INCHES NOMINAL |
| ABKW | OVERALL HEIGHT | 0.234 INCHES MAXIMUM |
| BBST | MAGNIFYING LENS | INCLUDED |
| BHGX | ENGRAVED THERMOMETER STEM | NOT INCLUDED |
| BHHG | MOUNTING SHELTER | NOT INCLUDED |
| BDHW | CALIBRATION ACCURACY RATING | PORM 0.2 DEG C ABOVE M18 DEG,PORM 0.3 DEG C BELOW M18 DEG |
| ABMK | OVERALL WIDTH | 0.875 INCHES MINIMUM AND 0.937 INCHES MAXIMUM |
| BHHD | CISTERN MATERIAL | ANY ACCEPTABLE |
| AGAV | END ITEM IDENTIFICATION | PSYCHROMETER, MERCURY - DEGEREES CENTIGRADE |
| BHGT | CIRCULATION METHOD | HAND SLING |
| BHGW | THERMOMETER QUANTITY | 2 |
| BHGS | CIRCULATION TYPE | FORCED |
| BHHF | SLING HANDLE | NOT INCLUDED |
| BHHB | THERMOMETER MOUNTING MATERIAL | STEEL, STAINLESS |
| BHHH | MOUNTING PANEL TABLES | NOT PROVIDED |
| AWEC | GRADUATION INTERVAL | 1.0 DEG |
| BHGZ | THERMOMETER MOUNTING METHOD | BACKPLATE |
| FEAT | SPECIAL FEATURES | PSYHROMETER, MERCURY, RANGE -20 TO +55 DEG C |
| AFGA | OPERATING TEMP RANGE | -30.0/+45.0 DEG CELSIUS |
| BHGY | THERMOMETER FILLING TYPE | MERCURY |
| BHHC | THERMOMETER MOUNTING SURFACE TREATMENT | ANY ACCEPTABLE |