Item/Model | TOS5300 | TOS5301 | TOS5302 |
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AC Output section | Output range | | 0.05 kV to 5.00 kV |
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Accuracy | ± (2 % of set + 20 V) when no load is connected |
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Selectable range | 0.00 kV to 5.50 kV |
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Resolution | 10 V STEP |
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Max. rated output *1 | 500 VA (5 kV/100 mA) |
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Max. rated voltage | 5 kV |
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Max. rated current | 100 mA (when the output voltage is 0.5 kV or greater) |
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Transformer rating | 500 VA |
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Output voltage waveform *2 | | Sine |
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Distortion | If the output voltage is 0.5 kV or more: 3 % or less (when no load or a pure resistive load is connected) |
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Frequency | | 50 Hz or 60 Hz |
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Accuracy | ±0.5 % (excluding during voltage rise time) |
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Voltage regulation | 10 % or less (when changing from maximum rated load to no load) |
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Input voltage variation | ±0.3 % (5 kV when no load is connected; power supply voltage: 90 V to 250 V) |
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Short-circuit current | 200 mA or more (when the output voltage is 1.0 kV or greater) |
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Output method | PWM switching |
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DC output section | Output range | | – | 0.05 kV to 6.00 kV | – |
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Accuracy | ±(2 % of set + 20 V) when no load is connected |
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Selectable range | 0.00 kV to 6.20 kV |
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Resolution | 10 V STEP |
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Max. rated output *1 | 50 W (5 kV/10 mA) |
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Max. rated voltage | 6 kV |
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Max. rated current | 10 mA |
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Ripple(TYP) | 5 kV when no loadisconnected | 50 Vp-p |
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Max. rated load | 100 Vp-p |
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Voltage regulation | 3 % or less (when changing from maximum rated load to no load) |
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Short-circuit current (TYP) | 40 mA (when generation 6 kV output) |
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Discharge feature | Forced discharge after test completion
(discharge resistance: 125 kΩ) |
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Start voltage | The voltage at the start of withstanding voltage tests can be set to 50% of the test voltage. |
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Limit voltage | The test voltage upper limit can be set . AC: 0.00 kV to 5.50 kV, DC: 0.00 kV to 6.20 kV |
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Output voltage monitor feature | If output voltage exceeds the specified value + 350 V or is lower than the specified value – 350 V, output is turned off, and protective features are activated. |
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Voltmeter | Analog | Scale | 6 kV AC/DC f.s |
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Accuracy | ±5 % f.s |
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Indication | Mean-value response/rms scale |
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Digital | Measurement range | 0.000 kV to 6.500 kV AC/DC |
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Display | □ . □□□ kV |
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Accuracy | V < 500 V: ±(1.5 % of rdng + 20 V); V ≥ 500 V: ±1.5 % of rdng |
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Response*3 | True rms/ Mean-value response rms display Can be switched |
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Hold feature | After a test is finished, the measured voltage is retained until the PASS or FAIL judgment is cleared. |
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Ammeter | Digital | Measurement range | AC:0.00 mA to 110 mA | AC:0.00 mA to 110 mA
DC: 0.00 mA to 11 mA | AC:0.00 mA to 110 mA |
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Display | i = measured current
i < 1 mA:□ . □□□ mA
1 mA ≦ i < 10 mA:□ . □□□ mA
10 mA ≤ i < 100 mA
100 mA ≦ i:□□□ . □ mA |
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Accuracy*4 | 1.00 mA ≤ i: ±(1.5 % of rdng); i < 1.00 mA: ±(1.5 % of rdng + 30 μA) |
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Response*3 | True rms/ Mean-value response rms display Can be switched |
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Hold feature | After a test is finished, the measured voltage is retained until the PASS judgment is cleared. |
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Judgment feature | Judgment method and judgment operation | Judgment | Judgment method | Display | Buzzer | SIGNAL I/O |
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UPPER FAIL | If a current that is greater than or equal to the upper limit is detected, the output is turned off, and an UPPER FAIL judgment occurs. | FAIL LED lights
OVER is displayed on the screen | ON | Generates a U-FAIL signal | LOWER FAIL | If a current that is less than or equal to the lower limit is detected, the output is turned off, and a LOWER FAIL judgment occurs. This judgment is not performed during voltage rise time (Rise Time) of all tests and during the voltage fall time (Fall Time) of AC withstanding voltage tests. | FAIL LED lights
UNDER is displayed on the screen | ON | Generates a U-FAIL signal | PASS | If the specified time elapses without any problems, the output is turned off, and a PASS judgment occurs. | PASS LED lights
displayed on the screen | ON | Generates a PASS signal |
- If PASS HOLD is enabled, the PASS signal is generated continuously until the TOS5300 Series receives a STOP signal.
- The UPPER FAIL and LOWER FAIL signals are generated continuously until the TOS5300 Series receives a STOP signal.
- The FAIL and PASS buzzer volume levels can be changed.
- For PASS judgments, the length of time that the buzzer sounds for is fixed to 0.2 seconds. Even if PASS HOLD is enabled, the buzzer turns off after 0.2 seconds.
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Upper limit setting | AC: 0.01 mA to 110 mA | AC: 0.01 mA to 110 mA
DC: 0.01 mA to 11 mA | AC: 0.01 mA to 110 mA |
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Lower limit setting | AC: 0.01 mA to 110 mA / OFF | AC: 0.01 mA to 110 mA / OFF
DC: 0.01 mA to 11 mA / OFF | AC: 0.01 mA to 110 mA / OFF |
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Judgment accuracy *4 | 1.00 mA ≤ i: ±(1.5 % of set), i < 1.00 mA: ±(1.5 % of set + 30 μA) |
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Current detection method | Calculates the current’s true rms value and compares this value with the reference value |
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Calibration | Calibrated with the rms of a sine wave using a pure resistive load |
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Time | Voltage rise time | | 0.1 s to 10.0 s |
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Resolution | 0.1 s |
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Voltage fall time | 0.1 s / OFF (only enabled when a PASS judgment occurs) |
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Test Time | | 0.1 s to 999 s, can be turned off (TIMER OFF) |
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Resolution | 0.1 s to 99.9 s: 0.1 s0 / 100 s to 999 s: 1 s |
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Accuracy | ± (100 ppm + 20 ms)
AC: Excluding Fall Time
DC: Rise Time Add ±50 ms at 1 kV or more, Add ±100 ms at less than 1kV. |
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*1. Regarding the output time limits: Taking size, weight, and cost into consideration, the heat dissipation capability of the voltage generator that is used for withstanding voltage tests has been designed to be one half that of the rated output. Use the TOS5300 Series within the following limits. If you use the product in a manner that exceeds these limits, the output section may overheat, and the internal protection circuits may be activated. If this happens, stop testing, and wait until the TOS5300 Series returns to its normal temperature.
*2. Regarding the test voltage waveform: Waveform distortions may occur if an DUT whose capacitance is dependent on voltage (for example, an DUT that consists of ceramic capacitors) is connected as the load. However, if the test voltage is 1.5 kV, the effect of a capacitance of 1000 pF or less can be ignored. Because the product’s high-voltage power supply uses the PWM switching method, if the test voltage is 500 V or less, the switching and spike noise proportions are large. The lower the test voltage, the greater the waveform is distorted. *3.For both True rms and Mean-value response, 50 ms or above response time is required to satisfy the measurement accuracy. *4. Regarding ammeter and judgment accuracy: During AC withstanding voltage tests, current also flows in the stray capacitance of items such as the measurement leads and jigs. This current that flows in the stray capacitances is added to the current that flows in the DUT, and the sum of these currents is measured. Especially if you want to perform judgments with high sensitivity and accuracy, it is necessary to consider methods to limit the current that flows in these stray capacitances, such as by adding upper and lower limits.