Text Box: VM-1 INSTRUCTIONS Wednesday, May 02, 2012 PAGE Text Box: 1. TIN WIRE PADS WITH AN APPROPRIATE AMOUNT OF SOLDER 2. USE 20 TO 24 GAUGE WIRE STRIPPED 1/8” AND TIN ENDS WITH SOLDER 3. NOTE: TELEPHONE WIRE WORKS FINE AND IS INEXPENSIVE. PLACE THE BARE WIRE END OVER THE WIRE PAD AND HEAT WITH SOLDER IRON TILL THERE IS A SMOOTH FLOW BETWEEN WIRE AND PAD. 4. CONNECT THE POWER GROUND TO POWER SUPPLY NEGATIVE 5. CONNECT THE POWER POSITIVE TO A 10 TO 15 VOLT SUPPLY 100 MA MINIMUM 6. CONNECT THE INPUT POSITIVE TO THE + INPUT SENSOR OR THE + VOLTAGE TO BE MEASURED. 7. CONNECT THE INPUT GROUND DIRECTLY TO THE SENSOR GROUND OR THE – VOLTAGE TO BE MEASURED. TO AVOID DC OFFSET ERRORS: WHEN NO SENSITIVITY JUMPERS ARE USED (IE: 199.9MV OR DC AMPS SHUNT THEN IT IS ADVISABLE TO USE SHIELDED CABLE FOR THE INPUTS (STEPS 6 AND 7) WITH THE SHIELD TO THE NEGATIVE INPUT. ALSO KEEP THESE LEADS AS SHORT AS POSSIBLE. 8. TO SOLDER THE JUMPERS, KEEP ADDING SOLDER UNTIL THE TWO PADS HAVE A SOLDER BRIDGE BETWEEN THEM. Text Box: NO JUMPERS HERE IS 199.9 MV Text Box: ALL 3 OPEN FOR 200 MV MAX & CURRENT SENSORS NOTE: MUST BE CONNECTED TO PREVENT FALSE READINGS Text Box: 200 V MAX MAX PEAK VOLTAGE Text Box: 20 V MAX (12V AUTO) (PYROMETERS) Text Box: 2 V MAX & TEMP SENSOR

SIGNAL –  GREEN OR BLU/WHITE

IN +

YELLOW OR ORG/WHITE
Text Box: POWER GND BLACK OR BLUE Text Box: +12V PWR RED OR ORANGE Text Box: DECIMAL POINT LOCATION 19.99 (20V MAX) Text Box: DECIMAL POINT LOCATION 199.9 (TEMPERATURE SENSORS) Text Box: DECIMAL POINT LOCATION 1999. (CURRENT SENSORS) (PYROMETERS) Text Box: DECIMAL POINT LOCATION 1.999 (2V MAX) Text Box: PYRO AMPLIFIER USE 400 MV AT INPUT TERMINALS IS EQUAL TO 73 DEGREES F FOR PYRO AMPLIFIER USE THEN TRIM R3 FOR AMBIENT MATCH TO KNOWN VALUE.