变比测试仪ST105 is a calibration box with standard ratios. It is used for calibration of any turn ratios measurement system. Housed in a rugged, waterproof case, it is very lightweight.
Housed in a rugged, lightweight waterproof case

Standard Ratio to calibrate Turns Ratio Meters

2 years standard warranty
Model: ST105

Size L: 270 mm (10.6”) W: 245 mm (9.7”) H: 125 mm (4.9”)

Weight 3.8 kg (8.3 lbs.)

Input Power none

变比测试仪ST105Test Voltage max 100 VAC 49 - 61 Hz

Front Panel Sealed  anodized

Ratio Ranges 1:1 / 1:10 / 1:100 / 1:1'000 / 1:10'00