Part Details | DIGITAL HYGROMETER
6685-01-441-0577 An instrument for measuring and indicating by digital display relative humidity of the surrounding atmosphere. Measurements are made by a humidity sensor generally mounted in a probe.
Alternate Parts: TTU546E, TTU-546/E, 639AS93342, 639AS9334-2, 639AS9334, 6685-01-441-0577, 01-441-0577, 6685014410577, 014410577
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 31, 1997 | 01-441-0577 | 38843 ( HYGROMETER, DIGITAL ) |
REFERENCE DRAWINGS & PICTURES
PORTABLE, BENCH
Cross Reference | NSN 6685-01-441-0577
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| TTU-546/E | 80058 | JOINT ELECTRONICS TYPE DESIGNATIONSYSTEM |
| 639AS9334-2 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT |
| 639AS9334 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT |
Technical Data | NSN 6685-01-441-0577
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | PORTABLE, BENCH |
| OVERALL HEIGHT | 15.500 INCHES NOMINAL |
| OVERALL LENGTH | 11.000 INCHES NOMINAL |
| OVERALL WIDTH | 16.000 INCHES NOMINAL |
| VOLTAGE RATING IN VOLTS | 100.0 AC MINIMUM AND 240.0 AC MAXIMUM |
| FREQUENCY IN HERTZ | 60.0 |
| PHASE | SINGLE |
| OPERATING TEMP RANGE | -15.0 TO +60.0 DEG CELSIUS |
| DISPLAY TYPE | LIQUID CRYSTAL |
| DISPLAY DIGIT QUANTITY | 16 |
| CASE TYPE | WATERPROOF AND SHOCKPROOF CASE W/HANDLE |
| ENVIRONMENTAL ATTRIBUTE CODE | BAROMETERS & HYGROMETERS - CONSUMER PRODUCTS - NON-MERCURY ALTERNATIVE |
| SPECIAL FEATURES | OPERATING RANGES OF HYGROMETER: DEW POINT VALUES -110 TO +60 DEG C PORM3 DEG C; WATER PARTS PER MILLION 1 TO 99.999PPMV; OPERATING PRESSURE UP TO 6000 PSI; MAJOR COMPONENTS: HYGROMETER R/N 639AS10614-2; PROBE ADAPTER ASSEMBLY R/N 639AS9337; HIGH PRESSURE HOSE R/N 8612355 |
| FUNCTIONAL DESCRIPTION | A COMPACTPORTABLE HYGOMETER, ABLE TO CHECK THE MOISTURE CONTENT OF ANY GAS UP TO 6000 PSI PRESSURE. THE HYGROMETER DISPLAYS THE DEWPOINT OF THE GAS IN DEGREES CELCIUS OR THE WATER CONTENT OF THE GAS IN PARTS PER MILLION. |
| TYPE/MODEL DESIGNATION | TTU-546/E |
| RELATIONSHIP TO SIMILAR EQUIPMENT | 639AS9334-1 INCLUDES NICAD BATTERIES, THIS NSN DOES NOT. MAY BE USED IN LEU OF CGU-26 TO CHECK GAS FOR MOISTURE CONTENT |
| END ITEM IDENTIFICATION | APPL DATA AIM-9M MISSILE |