YD2040A Voltage tester calibratorDetailed product description：

Features:
High testing accuracy and good stability
Automatic discrimination of voltage polarity and AC/DC voltage
True RMS measurement is suitable for various waveform inputs
The best instrument for verifying and calibrating pressure testers

YD240A voltage tester calibrator technical parameters:

Voltage measurement: 200V-20kV AC/DC
Voltage accuracy: 0.5%
Voltage resolution: 0.1V (≤ 2kV), 1V (>2kV)
Voltage input impedance: 400M Ω
Current measurement range: 20 μ A-200mA
Current accuracy: 0.5%
Current input internal resistance: 10 Ω
Time measurement range: 0.01-999.99s
Time accuracy: 0.5%
Dimensions: 330 × 105 × 400 (mm)

YD240A voltage tester calibrator