Measuring Instrument & Tester
Withstand Voltage and Insulation Tester
MODEL 8525A
- ■Withstand voltage test: AC5kV 500VA, Insulation resistance testing: DC500V / 1000V
- ■Safety measurements like Interlocks, Key locks and Remote function
- ■RS-232C output enables easy setting and obtaining test results.
- ■ 9 types of test memories can be stored.
- ■JCSS calibration available at request
Model Designation
8525A : for power supply voltage AC100V (Standard)
8525A-P115 : for power supply voltage AC115V
8525A-P200 : for power supply voltage AC200V
8525A-P220 : for power supply voltage AC220V
8525A-P240 : for power supply voltage AC240V
Specifications
Withstand voltage Test
| Test voltage | |
|---|---|
| Output Voltage | AC 0 to 2.5 kV / 0 to 5 kV, 2 ranges |
| Output Capacity | 500 VA (5 kV, 100 mA) Note: For output current 50 mA within 30 min. |
| Waveform | Commercial power supply waveform |
| Voltage Fluctuation Rate | 15 % or less (no load → maximum load) |
| Voltage Output Method | Zero cross input switch |
| Output Voltage Setting | Manual setting with volt slider |
| Voltage Measurement | |
| Rectification Method | Average value effective value display |
| Analog Indicator | Full scale: AC 0 to 5 kV |
| Accuracy | ± 5 % (JIS C1102) |
| Digital Indicator | Display range: AC 0.00 to 6.00 kV Green LED Output voltage is displayed during test, the judgment value is retained after the end of test. |
| Measurement Accuracy | ± 1.5 % of F.S. (at F.S. 2.5 kV or 5 kV) |
| Current Measurement | |
| Rectification Method | Average value effective value display |
| Measuring Range | ± 1.5 % of F.S. (at F.S. is 2.5 kV or 5 kV) |
| Display | Digital 3.5 digit display (1999) Green LED Leakage current is displayed during test, the judgment value is retained after the end of test. |
| Resolution | 0.01 mA (0.1 to 9.9 mA), 0.1mA (10.0 to 110.0 mA) ( ) indicates upper limit setting value |
| Measuring Accuracy | Upper limit setting value ± (5 %+20 μA) |
| Test Result Judgment | |
| Judgment Method | Upper limit Analog comparator Upper/lower limit Digital comparator |
| Setting Range | Upper limit: 0.1 to 110.0 mA (lower limit setting + More than 1 digit) Lower limit: 0.0 to 109.0 mA (upper limit setting - Less than 1 digit) Resolution: 0.1 mA with lower limit ON/OFF setting function |
| Judgment Conditions | Upper limit > leakage current > lower limit ... GOOD Upper limit ≦ leakage current ... HIGH NG Lower limit ≧ leakage current ... LOW NG |
| Test Time | |
| Setting Range | 0.5 to 999 s (with Timer OFF function) |
| Setting Resolution | 0.1 s (0.5 to 99.9 s), 1 s (More than 100 s) |
| Time Display | Timer ON: Remaining time is display Timer OFF: Elapsed time is display |
| Accuracy | ± 20 ms (0.5 to 99.9 s), ± 200 ms (More than 100 s) |
Insulation Resistance Test
| Test Voltage | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated Measurement Voltage | DC 500 V / DC 1000 V 2 range switching (DC 25 V / 50 V / 100 V / 250 can be manufactured per request.) |
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| Open Circuit Voltage | Within 125% of rated measurement voltage | |||||||||||||
| Rated Measurement Current | 1 mA | |||||||||||||
| Short-circuit Current | Less than 12 mA | |||||||||||||
| Display | 0.00 to 2000 MΩ Green LED Insulation resistance is displayed during test, the judgment value is retained after the end of test. |
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| Measurement Range and Accuracy |
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| Test Result Judgment | ||||||||||||||
| Judgment Method | Upper/lower limit digital comparator | |||||||||||||
| Setting Range |
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| Judgment Conditions | Upper limit > display value > Lower limit ... GOOD Upper limit ≦ display value... HIGH NG Lower limit ≧ display value ... LOW NG |
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| Test Time | ||||||||||||||
| Setting Range | 0.5 to 999 s (Mask time +0.2 s or more, with Timer OFF function) |
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| Setting Resolution | 0.1 s (0.5 to 99.9 s), 1 s (100 to 999 s) | |||||||||||||
| Time Display | During test Timer ON: Remaining time display Timer OFF: Elapsed time display |
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| Mask Time | ||||||||||||||
| Setting Time | 0.3 to 50.0 s (test time -0.2s or less) | |||||||||||||
| Accuracy | ± 20 ms (0.5 to 99.9 s), ± 200 ms (100 to 999 s) | |||||||||||||
| Time Display | During test Timer ON: Remaining time display Timer OFF: Elapsed time display |
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| Discharge Function | ||||||||||||||
| Electric charge on specimen can be discharged. (with OFF function) |
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Data Output
| Voltage Monitor Output ... Output voltage can be obatained for monitoring. | |
|---|---|
| Monitor Output | DC 0 to 5 V (corresponding to AC 0 to 5 kV) |
| Accuracy | ± 1.5 % of F.S. |
| RS-232C Output ... Test conditions and test results can be output. ※Utility software (option) is available. | |
| Connector | D-sub 9P |
| Transmission Method | Full duplex synchronization |
| Transmission Speed | 9600 bps |
| Data Length | 8 bit |
| Parity | None |
General Specifications
| Power Supply | AC100V 50/60Hz (DC 25 V / 50 V / 100 V / 250 are available.) |
|---|---|
| Power Supply Voltage Tolerance | AC 90 to 110 V 50 / 60 Hz |
| Power Consumption | Maximum rated load: approx. 650 VA No load (standby state): approx. 16 VA |
| Operating Ambient Temperature | 0 to 40 °C |
| Operating Humidity Range | Less than 80 %RH (no condensation) |
| Storage Temperature | -20 to 65 °C Less than 80 %RH (no condensation) |
| Insulation Resistance | Between power supply and outer box AC1000V 1 minute |
| Withstand Voltage | Between power supply and outer box AC1000V 1 minute |
| Size | 320(W) × 165(H) × 365(D )mm |
| Weight | Approx. 17 kg (Approx. 5.5kg is added for optional power supply models.) |
| Accessories | High voltage cable: 2m 1 set Ground cable: 3m 1 pc Power cord: 2.5m 1 pc REMOTE I/O plug: 1 pc Fuse: 1 pc Operation manual: 1 pc |
| Optional Accessories | Remote control box 5858-07 Both-hands remote control box 5858-07W Foot switch 5858-04 Rack mounting bracket 5871-03-020 RS-232C cable 5881-11-018 Utility software (Japanese) 5890-02 |
