1. 1 HVACR317 – Core for Refrigeration Meters

2. 2 ELECTRICAL MULTIMETER TEST INSTRUMENTS

3. 3 VOM MULTIMETERS MEASURE RESISTANCE – VOLTAGE - CURRENT VOM MULTIMETERS MEASURE RESISTANCE – VOLTAGE - CURRENT ANALOG METER DIGITAL METER

4. 4 VOLTAGE MEASUREMENT To Measure VOLTAGE Set the Leads Position the Selector Set the Range ALWAYS MEASURE VOLTAGE ACROSS THE LOAD or the SOURCE!

5. 5 To Measure VOLTAGE Set the Leads Position the Selector Set the Range ALWAYS MEASURE VOLTAGE ACROSS THE LOAD or the SOURCE!

6. 6 RESISTANCE MEASUREMENT To Measure RESISTANCE Set the Leads Position the Selector Set the Range ALWAYS MEASURE RESISTANCE ACROSS THE LOAD DISCONNECTED FROM THE POWER SOURCE!

7. 7

8. 8 CURRENT MEASUREMENT To Measure CURRENT Set the Leads Position the Selector Set the Range MEASURE CURRENT IN SERIES WITH THE LOAD CONNECTED TO THE POWER SOURCE!

9. 9 ALWAYS MEASURE CURRENT IN SERIES WITH THE LOAD CONNECTED TO THE POWER SOURCE!

10. 10 CLAMP-ON AMP METERS

11. 11 CLAMP-ON AMP METERS CLAMP AROUND CONDUCTOR

12. 12 MEGOHMMETERS (Meggers) MEASURES MOTOR WINDINGS