Megger (formerly Biddle) 550503This automatic Transformer Turns Ratio Test Set has a 10,000:1 ratio
measurement with 0.1% accuracy. Will measure phase deviation (in minutes or
centiradians) of the transformer primary versus secondary.
The TTR comes equipped with sufficient onboard memory to store up to 200 test
results in the field for later retrieval in the office. Test results may be
printed on the included serial printer (35312-1) or downloaded to a PC.
*Input Power Requirement: 120V AC =/- 10%, single phase, 50 +/-2Hz or 60
+/-2Hz 100 VA IEC 1010-1 Installation category II