| MEASUREMENT TYPE | DIGITAL |
| MATERIAL | PLASTIC METER CASE |
| STYLE DESIGNATOR | PANEL MOUNTED |
| OVERALL HEIGHT | 72.0 MILLIMETERS NOMINAL |
| OVERALL LENGTH | 116.0 MILLIMETERS NOMINAL |
| OVERALL WIDTH | 144.0 MILLIMETERS NOMINAL |
| VOLTAGE RATING IN VOLTS | 90.0 AC MINIMUM AND |
| 250.0 AC MAXIMUM |
| OPERATING TEMP RANGE | -20.0 TO 60.0 DEG CELSIUS |
| SENSING ELEMENT TYPE | BIMETALLIC TEMP |
| DISPLAY TYPE | LIGHT EMITTING DIODE (L.E.D.). |
| DISPLAY DIGIT QUANTITY | 5 |
| MEASUREMENT RANGE | -100.0 TO 20.0 DEG CELSIUS AND |
| -148.0 TO 68.0 DEG FAHRENHEIT AND |
| 0.0 TO 95.0 PERCENT RELATIVE HUMIDITY |
| SWITCH TYPE AND QUANTITY | 4 PUSH BUTTON |
| SCALE ACCURACY RATING | ACCURACY +2 DEGREE C (3.6 DEGREE F) DEWPOINT |
| SCALE CALIBRATION | SUPPLIED WITH CERTIFICATE OF CALIBRATION TRACEABLE TO NATIONAL PHYSICS LABORATORY (NPL).; FIELD CALIBRATION / SPAN CHECK FACILITY. ACTIVATED AND OPERATED VIA POTENTIOMETER ON THE FRONT OF THE INSTRUMENT. |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HYGROMETER SD3-P |