| INSTALLATION DESIGN | PANEL |
| INDICATOR TYPE | DIAL W/POINTER |
| MEASUREMENT RANGE | -20.0 TO 3.0 DECIBELS SINGLE INDICATOR 1ST RANGE |
| 0.0 TO 100.0 VOICE UNITS SINGLE INDICATOR 2ND RANGE |
| ACCURACY IN PERCENT | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| SCALE GRADUATION TYPE | NONLINEAR SINGLE INDICATOR ALL RANGES |
| POINTER COLOR | BLACK SINGLE INDICATOR ALL RANGES |
| DIAL SCALE MARKING COLOR | BLACK AND |
| RED SINGLE INDICATOR ALL RANGES |
| BACKGROUND COLOR | CREAM SINGLE INDICATOR ALL RANGES |
| MOVEMENT TYPE | MOVING COIL, PERMANENT MAGNET |
| MOVEMENT SUSPENSION METHOD | JEWEL PIVOT BASE |
| CIRCUIT ATTACHMENT METHOD AND QUANTITY | 2 THREADED STUD |
| SENSITIVITY RATING | 100.0 DECIBELS |
| SCALE SELECTION METHOD | TERMINAL |
| DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS | 3000.0 |
| POWER SOURCE | EXTERNAL |
| CIRCUIT CURRENT FOR WHICH DESIGNED | AC |
| STYLE DESIGNATOR | ROUND FLUSH MTG |
| METER BODY DIAMETER BEHIND MOUNTING FLANGE | 2.741 INCHES MAXIMUM |
| METER DEPTH BEHIND MOUNTING FLANGE | 1.319 INCHES MAXIMUM |
| OVERALL DIAMETER | 3.498 INCHES MAXIMUM |
| OVERALL LENGTH | 2.307 INCHES MAXIMUM |
| MOUNTING FACILITY TYPE AND QUANTITY | 3 SCREW AND |
| 3 UNTHREADED HOLE |
| MOUNTING HOLE DIAMETER | 0.151 INCHES NOMINAL |
| MOUNTING ARRANGEMENT STYLE | THREE HOLE/STUD BOLT CIRCLE |
| MOUNTING BOLT CIRCLE DIAMETER | 3.224 INCHES NOMINAL |
| MATERIAL | PLASTIC |
| SURFACE TREATMENT | PAINT |
| NUCLEAR HARDNESS CRITICAL FEATURE | NONHARDENED |
| ENVIRONMENTAL PROTECTION | AIRTIGHT AND |
| DUST RESISTANT AND |
| FUNGUS RESISTANT AND |
| HEAT RESISTANT AND |
| HUMIDITY RESISTANT AND |
| SHOCK RESISTANT AND |
| VIBRATION RESISTANT AND |
| WATER RESISTANT |
| FURNISHED ITEMS AND QUANTITY | NUT 7; LOCKWASHER 5; SEAL 1 |
| SPECIAL MARKINGS | ON FRONT,RED BAND FROM 0 TO 3 VU; ON BACK,MADE IN U. S. A |
| FEATURES PROVIDED | MAGNETIC SHIELD AND |
| ZERO ADJUSTER |
| SPECIAL FEATURES | RUGGEDIZED |
| FSC APPLICATION DATA | TEST SET,ELECT. EQUIP. |