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HIOKI ST5520 ENG.pdf


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3

Industry-beating
test time
Testing is complete in as little as 50 ms —

Measurement time

Discharge time
Set voltage

Voltage (V)

Rapidly assess in as fast as 50 ms

Response time

Test Time
45 ms ±5 ms

the fastest time in the industry. This is 700 ms
faster than legacy Hioki models.
Discharge time varies according to the sample's capacitance
The pictured waveform reflects use of a test time of 45 ms

The waveform shows the test result for a 9 MΩ, 10 pF sample

Time (T)

Applied Voltage Waveform at Fastest Test Time

High-speed auto
discharge function
The post-test residual voltage discharge time has
been reduced significantly compared with legacy
models. As a result, when comparing an identical
sample under the following conditions, a takt time
improvement of 990 ms is estimated.
Discharge time varies according to the sample's capacitance

The waveform shows the test result for a 9 MΩ, 10 pF sample

Legacy
model

Voltage (V)

Quickly discharge residual voltage

750 ms

ST5520

Discharge time
Approx. 750 ms
Difference:
Approx. 990 ms

500 ms

Discharge time
Approx. 10 ms

Time (T)

Comparison of Discharge Time with Previous Model