HIOKI ST5680A DC Hipot Tester (0.010 kV DC~ 8.000 kV, 500 kS/s)

Main Functions

DC hipot test

Insulation resistance test

Breakdown voltage test

Waveform display

Arc discharge detection

Contact check

DC Hipot Test

Output voltage: DC 0.010–8.000 kV (1 V resolution)

Output setting accuracy:

±20 V (below 3 kV, no load)

±0.4% of setting ±8 V (3 kV or higher, no load)

Output/cutoff current: Maximum 20 mA

Current accuracy:

Below 3.00 mA: ±(1.5% of reading + 2 μA)

3.00 mA or higher: ±1.5% of reading

For 0 °C ≤ t* < 18 °C: Base accuracy + base accuracy × [1 + 0.1 × (18 − t*)]

For 28 °C < t* ≤ 40 °C: Base accuracy + base accuracy × [1 + 0.1 × (t* − 28)]

t: Ambient temperature

Maximum resolution: 0.001 μA

Test time: 0.1–999 s or continuous (timer off)

Voltage ramp-up/ramp-down time: Ramp-up: 0.1–300 s; ramp-down: 0.1–300 s; or off

Test modes: W to IR, IR to W, program test

Insulation Resistance Test

Output voltage: DC 10–2,000 V (1 V resolution)

Output setting accuracy: ±20 V (no load)

Resistance display range: 100.0 kΩ–200.0 GΩ (0.01 kΩ resolution)

Guaranteed accuracy range: 100.0 kΩ–99.99 GΩ

Resistance accuracy: See “Insulation resistance measurement accuracy” below for details

Test time: 0.1–999 s or continuous (timer off)

Voltage rise/fall time: Rise: 0.1–300 s; fall: 0.1–300 s; or off

Breakdown Voltage (BDV) Measurement

Test methods: Continuous voltage ramp test or stepped voltage ramp test

Settings: Insulation breakdown voltage (kV), insulation breakdown strength (kV/mm)

Setting details: Start voltage, end voltage, ramp speed, arc detection, electrode distance, upper current limit

Waveform Display

Types: Voltage, current, insulation resistance

Sampling rate: Maximum 500 kS/s

Display length setting: 0.5–128 s (9 selectable settings)

Memory capacity: 512 kilowords

Arc Detection

Detection method: Monitoring fluctuations in the test voltage

Setting: Test voltage variability: 1–50%

Contact Check Function

Detection method: Capacitance measurement

User-definable setting: Capacitance threshold: 1.0–100.0 nF

Memory Functions

Waveform/graph saving: Save to USB memory; supported formats: BMP, PNG, CSV

Panel memory function:

Stores test condition settings internally

DC withstand voltage testing and insulation resistance testing: Up to 64 setting sets for each function

Program testing: Up to 30 programs, with a maximum of 50 steps per program

BDV measurement: Up to 10 setting sets

Data memory function: Stores measured values in the instrument’s internal memory, up to 32,000 values

Judgment Functions

Judgment outputs: PASS, FAIL (UPPER FAIL, LOWER FAIL)

UPPER_FAIL: Measured value > user-defined upper limit

PASS: User-defined upper limit ≥ measured value ≥ user-defined lower limit

LOWER_FAIL: Measured value < user-defined lower limit

List of Major Functions

Interlock: Disables output based on the status of an external device

Auto discharge: Discharges the test object through internal circuitry at the end of the test

Discharge resistance: 716 kΩ

Residual voltage: 30 V or less

Offset cancellation: Measures current flowing along the test path and subtracts it from measurement results

Measurement speed: NORMAL (100 ms), FAST (20 ms), FAST2 (10 ms)

Momentary output: Outputs the test voltage only while the START button is pressed

Command monitor: Displays commands being sent and received on the screen

I/O handler test: Checks whether signals are being properly input and output through the EXT. I/O terminal

Key lock: Prevents changes to test conditions

Self-check: Checks the touch screen, display, LED, instrument memory, and EXT. I/O

Calibration deadline check: Allows a calibration deadline to be set in advance and displays a warning when it has passed

EXT SW: Enables remote operation

Options: Single remote control box 9613, dual remote control box 9614

Basic Specifications

Operating temperature and humidity range: 0–40 °C, 80% RH or less, non-condensing

Compliance standards:

Safety: IEC 61010

EMC: EN 61326

Power supply: 100–240 V AC

Power consumption: Approximately 180 VA

Measurement conditions: 220 V supply voltage, 50/60 Hz supply frequency, DC withstand voltage test mode, 2.5 kV test voltage, and 5 mA load current (500 kΩ load resistance)

Maximum rated power: 800 VA

Interfaces:

Standard: USB, LAN, EXT. I/O

Optional: RS-232C (Z3001), GP-IB (Z3000)

External memory: USB drive

External dimensions (W × H × D): 305 × 142 × 430 mm (excluding protruding parts)

Weight: 10.4 kg ±0.2 kg

Datasheet