Sincere HES-1Bx 变压器测试仪（电桥），通常型 ((1%-120%) In, (20%-120%) Un, LCD)

Product structure: Portable type

Display model: LCD

Measure item: Ratio errors & Phase errors of the CT & PT, Impedance, Admittance

Rated current: 5A, 1A

Rated voltage: 100V, 110V, 120V

Multiplier: 1/√3, 1/3, 1, 1.5, 2

Accuracy class: ±2%

Operation range: (1%-120%) In, (20%-120%) Un

Frequency: 50/60Hz

Ratio error range: ±0.0001% ~ ±19.99% (Three positions: 1.999‰, 19.99‰, 199.9‰)

Minimum resolution: 0.0001%

Phase error range: 0.01' ~ ±900' (Three positions: 9.00', 90.0', 900')

Minimum resolution: 0.01'

Impedance range: 0.001ms ~ 19.99ms

Minimum resolution: 0.001ms

Admittance range: 0.001ms ~ 19.99ms

Minimum resolution: 0.001ms

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

Input Load: 

On Standard CT secondary side: ≈0.11ms, COSφ = 1.0

On Test Object CT secondary side: ≈0.003ms, COSφ = 1.0

On Standard PT secondary side: ≈0.05VA (when U = 100V)

Communication Interface: Provided the RS232 serial communication interface

Power supply: AC 220V ± 10%

Power consumption: < 20VA