Looking around on Fleabay I found this
Calibration Checkbox on eBay (end time 31-Jan-10 12:52:19 GMT)
The second paragraph is a new one on me...
You can do RCD and earth loop tests in YOUR office !!!!
Quite a price to pay for a box with a few resistors in ( even if they are 1% tolerance )
Calibration Checkbox on eBay (end time 31-Jan-10 12:52:19 GMT)
The second paragraph is a new one on me...
You can do RCD and earth loop tests in YOUR office !!!!
Quite a price to pay for a box with a few resistors in ( even if they are 1% tolerance )
As an eBay Associate we earn from qualifying purchases.