Specifications Hioki 3174

Withstanding Voltage Testing

Test
Voltage

Output voltage

AC 0.2 to 5 kV (50/60 Hz), single-range output

Voltage output
method

PWM switching method (0 V start; voltage can be changed while generating output)

Voltage
Specification
method

Digital (setting resolution: 0.01 kV)

Output voltage
accuracy

±1.5% of setting ±20 V

Maximum
rated output

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

Transformer
capacity

100VA

Voltmeter

True effective value display
Digital meter: AC 0 kV to 5.00 kV
Accuracy: ±1.5% rdg (1,000 V or less, ±15 V)

Output waveform

Sine wave

Voltage change
rate

15% or less (converges to setting within 1s during change from maximum rated load to no load)

Distortion factor

5% or less (tester impedance during measurement with 5 kV output under 40 MΩ load)

Frequency

50/60Hz (±0.2%)

Current
Detection

Current
measurement range

0.01 mA to 20 mA (2 ranges)

Measurement range

10mA/20mA

Indicated value

True effective value display

Measurement
ranges & resolutions

0.00 mA to 10.00 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)

Insulation Resistance Measurement

Rated voltage

DC 500 V/1,000 V (positive polarity)

Unloaded voltage

1 to 1.2 times rated voltage

Rated measurement current

1 to 1.2 mA

Short-circuit current

4 to 5 mA (500 V), 2 to 3 mA (1,000 V)

Measurement range

0.2 to 2,000 MΩ (500 V), 0.5 to 2,000 MΩ (1,000 V)

Guaranteed accuracy
ranges/accuracies

0.5 to 999 MΩ (500 V), 1 MΩ to 999 MΩ (1,000 V): ±4% rdg
1,000 MΩ to 2,000 MΩ: ±8% rdg

Measurement resolution

0.01 MΩ (0.20 MΩ to 19.9 MΩ)
0.1 MΩ (20.0 MΩ to 199.9 MΩ), 1 MΩ (200 MΩ to 2,000 MΩ)

Measured
resistance ranges

2 MΩ, 20 MΩ, 200 MΩ, 2,000 MΩ (500 V)
4 MΩ, 40 MΩ, 400 MΩ, 2,000 MΩ (1,000 V)

Timers

Setting range

0.3 to 999 s

Setting resolution/accuracy

0.1s (0.3 to 99.9 s) ±50 ms
1s (100 to 999 s) ±0.5s

Ramp Timers
(Withstand
voltage testing)

Setting range

0.1 to 99.9 s: Ramp-up and ramp-down can be set independently.

Setting resolution

0.1s

Delay Timers
(Insulation
resistance testing)

Setting range

0.1 to 99.9 s

Setting resolution

0.1s

General Specifications

Display

Fluorescent display tube (digital display)

Monitor functions

Output voltage, detected current, insulation resistance

Monitor period

2 times per second, minimum

Temperature
Range

Operating

0°C to 40°C, 80% RH or less (non-condensing)

Storage

-10°C to 50°C, 90% RH or less (non-condensing)

Temperature & humidity range for guaranteed accuracy

23 ±5°C, 80% RH or less (non-condensing)(With warm-up period of at least 10 min)

Operating environment

Indoors at elevations of up to 2,000 m at a pollution level of 2

Supply voltage

AC 100 to 240 V Designed to tolerate voltage fluctuations of ±10% of the rated supply voltage.

Power supply frequency

50Hz/60Hz

Withstanding voltage

Power supply to chassis: 1.39 kV at 10 mA for 15s

Maximum rated power

200VA

Dimensions

Approx. 320(W) x 155(H) x 395(D)mm
(excluding protruding parts)

Weight

33lbs (15 kg)