Hioki HiTESTER 3174 AC AUTOMATIC INSULATION/ WITHSTANDING

Basic Specifications

AC Withstand-voltage test portion

AC Voltage Output Component

Output voltage

0.2 to 5 kV AC (50/60 Hz), Single range output
Measurement category ? , Anticipated transient overvoltage 1500 V

Output frequency

50/60 Hz, ±0.2%

Voltage output method

PWM switching (0 V start, Voltage change during supply possible)

Voltage setting method

Digital setting, Setting resolution: 0.01 kV

Output voltage accuracy

±1.5% of the setting value ±20 V

Maximum rated power

100 VA AC (5 kV/20 mA), continuous

Transformer capacity

100 VA

Output waveform

Sine wave

Fluctuation rate

15% or less (At Maximum rated load → no load converge to set value within 1 second)

Distortion rate

5% or less (At 40 MΩ, load 5 kV output: impedance of measuring device during measurement)

Voltage measurement

True RMS indication
Digital meter, 0 to 5.00 kVrms AC Withstand-voltage, Accuracy ±1.5%rdg (±15 V for less than 1000 V)

Current Detection

Current measurement range

0.01 mA to 20 mA (2-range structure)

Designated value

True RMS indication

Measurement range

10 mA/20 mA

Measured area and resolution

0.00 mA to 9.99 mA, 0.01 mA (10-mA range)
0.0 mA to 20.0 mA, 0.1 mA (20-mA range)

Measurement accuracy

±2%rdg ±0.05 mA (10-mA range)
±2%rdg ±0.5 mA (20-mA range)

Decision Function
Decision method

Window comparator method (digital setting) for setting upper-limit and lowerlimit values

Decision contents

UPPER FAIL : when measured current exceeds the upper-limit setting
PASS : when measured current remains between the upper- / lower limit settings for set time
LOWER FAIL : when the measured current is below the lower-limit setting
UPPER LOWER FAIL : Test errors such as when there is no pre-set voltage out-put

Decision process

Output to the display, beeper sound, signals to EXT I/O for each decision result

Setting range

AC: 0.1 to 20.0 mA (Upper-limit value), 0.1 to 19.9 mA (Lower-limit value), Setting resolution: 0.1 mA

Insulation resistance test portion

Rated supply

500 V/1000 V DC (positive electrode)

No load voltage

1 to 1.2 times of rated voltage

Voltage measurement

Digital meter, 0 to 1000 V DC Insulation resistance, Accuracy ±30 V

Rated measurement current

1 to 1.2 mA

Short-circuit current

4 to 5 mA (500 V), 2 to 3 mA (1000 V)

Measurement range

0.2 M to 2000 MΩ (500 V), 0.5 M to 2000 MΩ (1000 V)

Accuracy guarantee

0.5 M to 999 MΩ (500 V), 1 MΩ to 999 MΩ (1000 V): ±4%rdg 1000 MΩ to 2000 MΩ: ±8%rd

Measured resolution

0.01 MΩ (0.20 MΩ to 19.99 MΩ)
0.1 MΩ (20.0 MΩ to 199.9 MΩ)
1 MΩ (200 MΩ to 2000 MΩ)

Measurement resistance range

2 MΩ, 20 MΩ, 200 MΩ, 2000 MΩ (500 V)
4 MΩ, 40 MΩ, 400 MΩ, 2000 MΩ (1000 V)