Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
● High-speed judgment of up to 50ms
● Quick release of residual voltage
● Arbitrary setting of test voltage value (25 to 1000V (1V resolution) setting)
:: Contact check function (to prevent misjudgment due to poor contact)
:: Short-circuit checking function (to prevent substandard products from entering the market)
The main unit cannot be measured separately. Please purchase a separate test cable for the purpose of measurement.
Basic parameters
| Test items | Insulation resistance (DC voltage applied method) |
|---|---|
| Test voltage/measurement range (manual/automatic) |
25 V ≦ V < 100 V (2.000/20.00/200.0 MΩ), 100 V ≦ V < 500 V (2.000/20.00/200.0/2000 MΩ), 500 V≦ V≦ 1000 V (2.000/20.00/200.0/4000/9990 MΩ) |
| Basic precision | ±2 % rdg. ±5 dgt. 25 V ≦ V < 100 V [0 to 20 MΩ], 100 V ≦ V < 500 V [0 to 20 MΩ], 500 V ≦ V ≦ 1000 V [0 to 200 MΩ] |
| test speed | FAST: 30ms/time, SLOW: 500ms/time (switching) |
| monitor | LCD (100,000 hours life), backlight 4 stages |
| memory function | Saved content: rated measurement voltage, comparator upper and lower limit values, test mode, beep at judgment, test time, response time, resistance range, measurement speed Number of memories: up to 10 groups (can be saved/read) |
| test pattern | Continuous Mode, PASS STOP Mode, FAIL STOP Mode, Judgment Mode at Forced End (Switching) |
| Comparison settings | UPPER_FAIL：Measured value ≧ Upper limit value PASS: Upper limit value > Measured value > Lower limit value LOWER_FAIL: Measured value ≦ Lower limit value |
| determination process | Beep, PASS/U.FAIL/L.FAIL LED lights, U.FAIL/L.FAIL lights at the same time in case of UL_FAIL, EXT. I/O output, obtaining judgment results via RS-232C |
| Test time timer | 0.045 s to 999.999 s (0.001 s resolution), time from voltage application to pass/fail judgment |
| response time timer | When the test is started, it is prohibited to set the comparator judgment time from 0.005 s to 999.999 s (0.001 s resolution). |
| analog output | DC +4 V f.s. |
| connector | RS-232C (standard), external I/O (input for external controller, judgment result output), BCD output (ST5520-01 only) |
| power supply | AC100 V ~ 240 V, 50/60Hz, 25VA max. |
| Volume and weight | 215W×80H×166Dmm, 1.1kg |
| attachment (email) | Instruction manual × 1, power cord × 1, EXT.I/O connector × 1, connector cover × 1 |
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