Item/Model | TOS5302 | ||||||||||||||||||||||
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Output section | Output voltage | 25 V, 50 V, 100 V, 125 V, 250 V, 500 V, 1000 VDC (negative) | |||||||||||||||||||||
Accuracy | -0 %, +5 % | ||||||||||||||||||||||
Max. rated load | 1 W (-1000 V DC / 1 mA) | ||||||||||||||||||||||
Max. rated current | 1 mA | ||||||||||||||||||||||
Ripple | 1000 V when no load is connected | 2 Vp-p or less | |||||||||||||||||||||
Max. rated load | 10 Vp-p or less | ||||||||||||||||||||||
Voltage regulation | 1 % or less (when changing from maximum rated load to no load) | ||||||||||||||||||||||
Short-circuit current | 12 mA or less | ||||||||||||||||||||||
Discharge feature | Forced discharge after test completion (discharge resistance: approx. 25 kΩ) | ||||||||||||||||||||||
Limit voltage | The test voltage upper limit can be set : 25 V, 50 V, 100 V, 125 V, 250 V, 500 V, 1000 V | ||||||||||||||||||||||
Output voltage monitor feature | If output voltage exceeds “10 % of set + 10 V” or is lower than “-(10 % of set + 10 V),” output is turned off, and protective features are activated. | ||||||||||||||||||||||
Voltmeter | Analog | Scale | 6 kV AC/DC f.s | ||||||||||||||||||||
Accuracy | ±5 % f.s | ||||||||||||||||||||||
Indication | Mean-value response/rms scale | ||||||||||||||||||||||
Digital | Measurement range | 0 V to -1200 V | |||||||||||||||||||||
Display | Measured voltage V < 100 V:□□ V 100 V ≦ V < 1000 V:□□□ V 1000 V ≦ V:□□□□ V | ||||||||||||||||||||||
Accuracy | ± (1 % of rdng + 1 V) | ||||||||||||||||||||||
Resistance meter | Measurement range / measurement accuracy *1*2 | 25 V | 0.03 MΩ ≤ R ≤ 25 MΩ / ±(2 % of rdng + 2 digits) 25 MΩ < R ≦ 125 MΩ / ± 5 % of rdng 125 MΩ < R ≦ 250 MΩ / ± 10 % of rdng | ||||||||||||||||||||
50 V | 0.05 MΩ ≤ R ≤ 50 MΩ / ±(2 % of rdng + 2 digits) 50 MΩ < R ≦ 250 MΩ / ± 5 % of rdng 250 MΩ < R ≦ 500 MΩ / ± 10 % of rdng | ||||||||||||||||||||||
100 V | 0.100 MΩ ≤ R ≤ 100 MΩ / ±2 % of rdng 100 MΩ < R ≦ 500 MΩ / ± 5 % of rdng 500 MΩ < R ≦ 1 GΩ / ± 10 % of rdng | ||||||||||||||||||||||
125 V | 0.125 MΩ ≤ R ≤ 125 MΩ / ±2 % of rdng 125 MΩ < R ≦ 625 MΩ / ± 5 % of rdng 625 MΩ < R ≦ 1.25 GΩ / ± 10 % of rdng | ||||||||||||||||||||||
250 V | 0.250 MΩ ≤ R ≤ 250 MΩ / ±2 % of rdng 250 MΩ < R ≦ 1.25 GΩ / ± 5 % of rdng 1.25 GΩ < R ≦ 2.5 GΩ / ± 10 % of rdng | ||||||||||||||||||||||
500 V | 0.50 MΩ ≤ R ≤ 500 MΩ / ±2 % of rdng 500 MΩ < R ≦ 2.5 GΩ / ± 5 % of rdng 2.5 GΩ < R ≦ 5 GΩ / ± 10 % of rdng | ||||||||||||||||||||||
1000 V | 1 MΩ ≤ R < 1 GΩ / ±2 % of rdng 1 GΩ ≦ R ≦ 5 GΩ / ± 5 % of rdng | ||||||||||||||||||||||
Display*2 | 25 kΩ ≦ R < 1.00 MΩ:□□□ kΩ 1.00 MΩ ≦ R < 10.0 MΩ:□ . □□ MΩ 10.0 MΩ ≦ R < 100 MΩ:□□ . □ MΩ 100.0 MΩ ≦ R < 1.00 GΩ:□□□ MΩ 1.00 GΩ ≦ R ≦ 9.99 GΩ:□ . □□ GΩ | ||||||||||||||||||||||
Hold feature | After a test is finished, the measured resistance is retained until the PASS judgment is cleared. | ||||||||||||||||||||||
Current detection response speed | Can be switched between three levels: Fast, Mid, Slow | ||||||||||||||||||||||
Judgment feature | Judgment method and judgment operation |
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Upper limit setting range | 0.03 MΩ to 5.00 GΩ | ||||||||||||||||||||||
Lower limit setting range | 0.03 MΩ to 5.00 GΩ | ||||||||||||||||||||||
Judgment accuracy the same for UPPER and LOWER | Measurement accuracy + 2 digits Humidity: 20 %rh to 70 %rh (no condensation). No interference caused by wobbly test leads or other problems. For judgments of 200 nA or less, a test time of at least 1.0 seconds is necessary. If the current detection response speed is set to Mid, a test time of at least 0.3 seconds is necessary. If the current detection response speed is set to Slow, a test time of at least 0.5 seconds is necessary. | ||||||||||||||||||||||
Time | Voltage rise time | 10 ms (TYP) | |||||||||||||||||||||
Test Time | 0.1 s to 999 s, can be turned off (TIMER OFF) | ||||||||||||||||||||||
Resolution | 0.1 s to 99.9 s: 0.1 s0 / 100 s to 999 s: 1 s | ||||||||||||||||||||||
Accuracy | ± (100 ppm + 20 ms) |
*1 Humidity: 20 %rh to 70 %rh (no condensation). No bends in the test leads. *2 R = measured insulation resistance