| CXCY |
PART NAME ASSIGNED BY CONTROLLING AGENCY |
DIGITAL DEW POINT INDICATOR |
| FTLD |
FUNCTIONAL DESCRIPTION |
LDEW POINT DETERMINED BY WATER CONDENSATION AT A GIVEN TEMPERATURE; THE SAMPLE GAS IS COOLED UNTIL SATURATION POINT REACHED, THIS IS THE DEW POINT; ATMOSPHERE BEING SAMPLED IS PASSED OVER A HIGHLY POLISHED STAINLESS STEEL MIRROR AND IS CHLLED BY A CONTROLLED JET OF CARBON DIOXIDE; THE TEMP OF THE MIRROR IS INDICATED ON A DIRECT READING DIGITAL MEMORY METER; THE METER RELEASE BUTTON IS RELEASED WHEN CONDENSATION APPEARS ON THE MIRROR GIVING A TRUE DEW POINT READING |
| FEAT |
SPECIAL FEATURES |
RANGE -100 DEG F TO ROOM TEMP USING CARBON DIOXIDE AS A COOLING AGENT; ACCURACY +/- 1% BETWEEN DEW POINTS OF -100 TO 75 DEG F; REPRODUCEABILITY 2 DEG F; AMBIENT TEMP LIMITS SAMPLE GAS UP TO +160 DEG F INSTRUMENT COMPONENTS 32 TO 140 DEG F; 20 PSIG PRESSURE RATING; READOUT DIGITAL MEMORY METER USING A 28 GAUGE CHROMEL-CONSTANTAN THERMOCOUPLE; LOCK TYPE MEMORY METER; PORTABLE |