| INSTALLATION DESIGN | PANEL |
| MEASUREMENT RANGE | 48.0 TO 62.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| ACCURACY IN PERCENT | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| DIAL SCALE MARKING COLOR | BLACK SINGLE INDICATOR SINGLE RANGE |
| BACKGROUND COLOR | WHITE SINGLE INDICATOR SINGLE RANGE |
| FREQUENCY RESPONSE RANGE | 48.000 TO 62.000 HERTZ |
| CIRCUIT ATTACHMENT METHOD AND QUANTITY | 2 THREADED STUD |
| SCALE SELECTION METHOD | TERMINAL |
| STYLE DESIGNATOR | ROUND FLUSH MTG |
| METER BODY DIAMETER BEHIND MOUNTING FLANGE | 2.800 INCHES NOMINAL |
| METER DEPTH BEHIND MOUNTING FLANGE | 1.660 INCHES NOMINAL |
| OVERALL DIAMETER | 3.510 INCHES NOMINAL |
| OVERALL LENGTH | 2.050 INCHES NOMINAL |
| MOUNTING FACILITY TYPE AND QUANTITY | 3 FLANGE |
| MOUNTING STUD LENGTH | 0.375 INCHES MINIMUM AND |
| 0.625 INCHES MAXIMUM |
| MOUNTING ARRANGEMENT STYLE | THREE HOLE/STUD BOLT CIRCLE |
| MOUNTING BOLT CIRCLE DIAMETER | 3.160 INCHES NOMINAL |
| SPECIAL MARKINGS | BLUE LINE AT 50 HERTZ,RED LINE AT 60 HERTZ |
| FEATURES PROVIDED | MAGNETIC SHIELD AND |
| ZERO ADJUSTER |
| SPECIAL FEATURES | TERMINAL NO. 4-40 THD 0.340 IN. LG METER SCALE REGION BETWEEN 53 AND 57 HERTZ UNMARKED |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 97403 |
| MFR SOURCE CONTROLLING REFERENCE | 13212E1374 |