Testing the Lab-Volt 8341-00 Transformer
Note: This transformer is rated for 120 VAC maximum voltage input.
To prevent over-voltage failure:
Hook jack 1 to the power supply white neutral, and jack 2 to the power supply red, black, or blue.
Resistance values of a known good transformer.
| Jacks | Expected Value |
|---|---|
| 1-2 | 8.6 Ohms |
| 3-4 | 25 Ohms |
| 3-7 | 12 Ohms |
| 7-8 | 9.3 Ohms |
| 8-4 | 3.5 Ohms |
| 5-6 | 7.7 Ohms |
| 5-9 | 3.7 Ohms |
| 9-6 | 4.1 Ohms |
Voltage values of a known good transformer with 100 VAC input to jacks 1 and 2.
| Jacks | Expected Value |
|---|---|
| 1-2 | 100 VAC |
| 3-4 | 173 VAC |
| 3-7 | 87 VAC |
| 7-8 | 63 VAC |
| 8-4 | 23 VAC |
| 5-6 | 100 VAC |
| 5-9 | 50 VAC |
| 9-6 | 50 VAC |