Product Information：
This coupler gauge confirms to the IEC 60320-1 standard, it is used for the purpose of verifying coupler sizes and interchangeability measurement of the household and similar appliances, and it is a necessary testing equipment for laboratory and measurement testing departments.
Technical Parameters：
| Item | Figure No. | QTY. | Remark |
| C1 GO gauge | Figure 2 | 1 | Check the connector |
| C5 GO gauge | Figure 4 | 1 | Check the connector |
| C7 GO gauge | Figure 5 | 1 | Check the connector |
| C7 GO gauge A | Figure 5A | 1 | Check the side the connector |
| C1 NOT-GO gauge | Figure 6 | 1 | Check the connector |
| C1，C5，C7 NOT-GO gauge | Figure 7 | 1 | Check 2 plugs connector |
| C1，C7 NOT-GO gauge | Figure 8 | 1 | Check 3 plugs connector |
| C8，C8A，C8B GO gauge | Figure 9 | 1 | Check the appliance inlet |
| C9 GO gauge | Figure 9A | 1 | Check the connector |
| C9 NOT-GO gauge | Figure 9B | 1 | Check the connector |
| C10 GO gauge | Figure 9C | 1 | Check the appliance inlet |
| C13 GO gauge | Figure 9F | 1 | Check the connector |
| C13，C17 NOT-GO gauge | Figure 9G | 1 | Check the connector |
| C14，C16A，C18 GO gauge | Figure 9H | 1 | Check the appliance inlet |
| C15 GO gauge | Figure 9J | 1 | Check the connector |
| C17 GO gauge | Figure 9K | 1 | Check the connector |
| C19 GO gauge | Figure 9L | 1 | Check the connector |
| C20，C24 GO gauge | Figure 9M | 1 | Check the appliance inlet |
| C21 GO gauge | Figure 9N | 1 | Check the connector |
| C22 GO gauge | Figure 9P | 19 | Check the appliance inlet |
| C23 GO gauge | Figure 9Q | 1 | Check the connector |
| C13,C15, C17 NOT-GO gauge | Figure 9R | 1 | Check the connector |
| C15A GO gauge | Figure 9S | 1 | Check the connector |
| C16A GO gauge | Figure 9T | 1 | Check the appliance inlet |