Sincere HES-1E ເຄື່ອງທົດສອບ PT ແຮງດັນຕໍ່າ (ຂົວ) ((20%-120%) Un)

Display model: LED

Measure item: Ratio errors & Phase errors of the low-voltage PT & CT

Rated voltage: 22.5mV, 150mV, 200mV, 225mV, 1.5V, 1.625V, 2V, 3.25V, 4V, 6.25V

Multiplier: 1/3, 1/2, 1/√3, 1

Accuracy class: ±2%

Operation range: (20%-120%) Un

Frequency: 50/60Hz

Ratio error range: ±0.001% ~ ±19.99% (Two positions: 1.999%, 19.99%)

Minimum resolution: 0.001%

Phase error range: 0.1' ~ ±900' (Two positions: 90.0', 900')

Minimum resolution: 0.1'

Alarm Function: Provided the sound & light alarm function when the polarity is abnormal or the ratio is inconsistent.

Input Load:

On Standard side: ＞10MΩ, COφ = 1.0

On Test Object side: ＞10MΩ, COφ = 1.0

Communication Interface: Provided the RS232 serial communication interface

Power supply: AC 220V ±10%

Power consumption: < 20VA