| INSTALLATION DESIGN | PANEL |
| MEASUREMENT RANGE | 0.0 TO 100.0 DECIBELS SINGLE INDICATOR 1ST RANGE |
| -20.0 TO 3.0 VOICE UNITS SINGLE INDICATOR 2ND RANGE |
| ACCURACY IN PERCENT | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| SCALE DIVISION QUANTITY | 10 SINGLE INDICATOR 1ST RANGE |
| 11 SINGLE INDICATOR 2ND RANGE |
| DIAL SCALE MARKING COLOR | BLACK AND |
| RED SINGLE INDICATOR ALL RANGES |
| BACKGROUND COLOR | WHITE SINGLE INDICATOR SINGLE RANGE |
| MOVEMENT TYPE | MOVING COIL, PERMANENT MAGNET |
| MOVEMENT SUSPENSION METHOD | JEWEL PIVOT BASE |
| CIRCUIT ATTACHMENT METHOD AND QUANTITY | 2 BINDING POST |
| SCALE SELECTION METHOD | SWITCH |
| CIRCUIT CURRENT FOR WHICH DESIGNED | DC |
| STYLE DESIGNATOR | RECTANGULAR FLUSH MTG |
| METER BODY DIAMETER BEHIND MOUNTING FLANGE | 2.800 INCHES NOMINAL |
| METER DEPTH BEHIND MOUNTING FLANGE | 0.906 INCHES NOMINAL |
| OVERALL HEIGHT | 3.312 INCHES NOMINAL |
| OVERALL LENGTH | 1.281 INCHES NOMINAL |
| OVERALL WIDTH | 3.718 INCHES NOMINAL |
| MOUNTING FACILITY TYPE AND QUANTITY | 1 FLANGE AND |
| 3 THREADED STUD |
| MOUNTING STUD DIAMETER | 0.140 INCHES NOMINAL |
| MOUNTING STUD LENGTH | 0.437 INCHES NOMINAL |
| MOUNTING ARRANGEMENT STYLE | THREE HOLE/STUD BOLT CIRCLE |
| MOUNTING BOLT CIRCLE DIAMETER | 3.062 INCHES NOMINAL |
| MATERIAL | PLASTIC PHENOLIC |
| SPECIAL MARKINGS | RED BAND FROM 0 VU TO 3 VU |
| FEATURES PROVIDED | MAGNETIC SHIELD |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 80138 |
| DESIGN CONTROL REFERENCE | 7863A |