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AL106 transformation ratio group tester for transformer Implementation of standards. DL/T963-2005      Features:   Full English pull-down menu display, with English printing, and easy operation Capable of measurement of transformation ratio, group (polarity), error of groups of transformer in model of Δ/Y、Y/Δ、Y/Y、Δ/Δ、Y/Z、Z/Y、Δ/Z、Z/Δ; Auto zero calibration, stable work, and reliable performance; Auto gain calibration guarantees measuring accuracy of equipment.   Technical parameter:   Measuring range of transformation ratio: 1.0000~9999.9 Accuracy: 0.1 grade Measuring range of group: 00~11(00 standards for 12) Working condition: Input voltage: AC 220±22V 50Hz±1Hz
Temperature: -10~55℃
Humidity: ＜85%RH Display digits: 5 Dimensions: 400×300×215mm3 Weight: 8kg