TOS7200_basic functionality

Output section

Output voltage range -25 V to -1000 V
Resolution1V
Setting accuracy±（1.5％ of setting ＋ 2Ｖ）
Max. rated load1W（−1000Vdc／1mA）
Max. rated current1mA
Output terminalOutput typeFloating
Isolation voltage±1000 VDC
Ripple1 kV no load2 Vp-p or less
Max. rated load10 Vp-p or less
Short-circuit current12 mA or less
Output rise time50 ms or less (10 % to 90 %) [no load]
Discharge featureForced discharge at the end of test (discharge resistance: 25 kΩ)

Voltmeter

Measurement range0 V to -1200 V
Resolution1V
Accuracy±（1％ of reading ＋ 1V）

Resistance meter

Measurement range0.01 MΩ to 5000 MΩ (In the range of over 100 nA to a maximum rated current of 1 mA)
DisplayR ＜ 10.0 MΩ：□.□□MΩ
10.0MΩ≦ R ＜ 100.0MΩ：□□.□MΩ
100.0MΩ ≦ R ＜ 1000MΩ：□□□MΩ
1000MΩ ≦ R ≦ 5000MΩ：□□□□MΩ
R = measured insulation resistance
Accuracy100nA ＜ i ≦ 200nA：±（10％ of reading）
200nA ＜ i ≦ 1μA：±（5％ of reading）
1μA ＜ i ≦1mA：±（2％ of reading）
[In the humidity range of 20 %rh to 70 %rh (no condensation), with no disturbance such as swinging of the test leadwire]
i =measured output-voltage value/measured resistance value
Measurement range The current measurement range is selectable between AUTO and FIX.
AUTOAutomatically changes the current measurement range according to the measured current value.
FIXFixes the current measurement range based on the output voltage set value and LOWER set value (in UPPER OFF status).
Holding functionThe resistance measured at the end of test is held during the PASS interval

Judgment feature

Judgment method and judgment operation
JudgmentJudgment methodDisplayBuzzerSIGNAL I/O
UPPER FAILIf a resistance value equal or higher than the upper resistance is detected, the tester shuts off the output and returns an UPPER FAIL judgment.FAIL LED lights.
UPPER LED lights.		ONOutputs an U FAIL signal
LOWER FAILIf a resistance value equal or less than the lower resistance is detected, the tester shuts off the output and returns a LOWER FAIL judgment. Note that no judgment is made within the judgment wait time (WAIT TIME) after the start of the test.FAIL LED lights.
LOWER LED lights.		ONOutputs a L FAIL signal
PASSIf no abnormality is found when the set test time has elapsed, the tester shuts off the output and returns a PASS judgment.PASS LED lights.ONOutputs a PASS signal
  • A PASS signal is output for approx. 200 ms. However, if the PASS HOLD function is set to “HOLD,” the signal is continuously output until a STOP signal is input.
  • An UPPER FAIL or LOWER FAIL signal is continuously output until a STOP signal is input.
  • The FAIL and PASS buzzer volumes are adjustable. However, they cannot be adjusted individually, as they are set in common.
Setting range for the upper reference value (UPPER)0.01 MΩ to 5000 MΩ [In the range of the maximum rated current or less]
Setting range for the lower reference value (LOWER)0.01 MΩ to 5000 MΩ [In the range of the maximum rated current or less]
Judgment accuracy
For both UPPER and LOWER
Judgement current = test voltage /(UPPER,LOWER)100nA ≦ ｉ ≦ 200 nA200 nA ＜ ｉ ≦ 1μＡ1μＡ ＜ ｉ ≦ 1mＡ
UPPER、LOWER0.01 ≦ R ＜ 10.0ＭΩ−−±（2％ of setting ＋ 3digit）
10.0 ≦ R ＜ 50.0ＭΩ−±（5％ of setting ＋ 5digit）±（2％ of setting ＋ 3digit）
50.0 ≦ R ＜ 100ＭΩ−±（5％ of setting ＋ 5digit）±（2％ of setting ＋ 3digit）
100 MΩ ≦ R ＜ 200MΩ±（10％ of setting ＋ 5digit）±（5％ of setting ＋ 5digit）±（2％ of setting ＋ 3digit）
200 MΩ ≦ R ＜ 500MΩ±（10％ of setting ＋ 5digit）±（5％ of setting ＋ 5digit）±（2％ of setting ＋ 3digit）
500 MΩ ≦ R ＜ 1000MΩ±（10％ of setting ＋ 5digit）±（5％ of setting ＋ 5digit）±（2％ of setting ＋ 3digit）
1000MΩ ≦ R ＜ 2000MΩ±（10％ of setting ＋ 50digit）±（5％ of setting ＋ 50digit）−
2000MΩ ≦ R ＜ 5000MΩ±（10％ of setting ＋ 100digit）±（5％ of setting ＋ 50digit）−
[In the humidity range of 20 %rh to 70 %rh (no condensation), with no disturbance such as swinging of the test leadwire]
The lower judgment requires a test duration of 0.5 s or more after the wait time has expired. It also requires a wait time of 1.0 s or more for a lower judgment of 200 nA or less.]

Time

Setting range for the test duration (TEST TIME)0.5 s to 999 s (TIMER OFF function provided)
Setting range for the wait time (WAIT TIME)0.3 s to 10 s [TEST TIME > WAIT TIME]
Accuracy±（100ppm ＋ 20ms）

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