Comprehensive test and measurement service provider-Shenzhen Weike Electronic Technology Co.
:: The ST5540 can be used for general electronic equipment
:: Continuous polarity switching function to significantly reduce contact time
● Rated current up to 20A, suitable for new standard products
:: Easy-to-use touch screen in the form of a dialog box
● With communication function and external I/O, it can be used for automatic inspection of production lines.
To measure the leakage current of medical electrical equipment, use the ST5540.
Basic parameters and host grounding of the
| Measurement method | Display and calculation of current values by measuring the voltage drop across the analog impedance of the human body True RMS measurement, the measuring part is insulated from the main unit's ground. |
|---|---|
| measurement mode | Leakage current measurement, voltage measurement, protective conductor current measurement |
| Criteria for correspondence | Electrical Appliance Safety Act Measurement of contact and protective conductor currents: IEC 60990 (1999) Electrical installations in measurement/control/research laboratories: IEC 61010-1 (2001) Information technology equipment: IEC 60950-1 (2005) Household/similar electrical equipment: IEC 60335-1 (2001) + A1:2004 + A2:2006 Audio/video/similar equipment: IEC 60065 (2001) + 1:2005 Personnel Protection Systems for EV: UL 2231-1 (2002), UL-2231-2 (2002) For UL: UL1492 (1996) Electrical installations in measuring/control/research laboratories, current measuring circuits in wet conditions: IEC 61010-1 (2001) |
| Leakage current measurement section | Ground leakage current, 3 types of contact current, arbitrary current measurement, 3 types of shell leakage current |
| Test Current | DC, AC (true RMS, 15Hz~1MHz), AC+DC (true RMS, 15Hz~1MHz), AC peak (15Hz~1MHz) |
| measuring range | DC, AC, AC+DC: 50μA/500μA/5mA/50mA AC peak: 500μA/1mA/10mA/75mA |
| Measurement accuracy (Current measurement) |
DC measurement: ± 2.0 % rdg. ± 6 dgt. (representative value) AC/AC+DC measurement: ± 2.0 % rdg. ± 6 dgt. (15 Hz to 100 kHz, representative) AC peak measurement: ± 2.0 % rdg. ± 6 dgt. (15 Hz to 10 kHz, representative) |
| connector | External I/O, Relay output for medical devices, USB1.1 (communication), RS-232C |
| various functions | Automatic test, data storage for up to 100 units, clock, data backup, printout (optional), etc. |
| Power supply for main unit | AC100V/120V/220V/240V (please specify when ordering), 50/60Hz, rated power 30VA |
| Power input for DUT | AC100~240V, 50/60Hz, rated current input to terminal block: 20A |
| Power supply output for DUT | Output from terminal block: 20A, Output from socket: 15A |
| Volume and weight | 320W x 110H x 253Dmm, 4.5kg |
| attachment (email) | Test Lead L2200 (for ST5540, red × 2/black × 1) 1 set, Face Contact Probe 9195 × 1, Spare Fuse for Test Lead × 1, Instruction Manual × 1, Power Cord × 3, CD × 1 |
ST5540, ST5541 Function List
| sports event | ST5540 | ST5541 | |
|---|---|---|---|
| reticulation | Electrical Appliance and Material Safety Law Network A |  |
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| Network B for medical electrical equipment | |
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| Network C for IEC60990 | |
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| Network D for UL | |
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| Generic 1 Network E | |
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| Generic 2 Network F | |
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| Network G for IEC61010-1 | |
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| Key Features | Electrode switching function | |
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| Rated current 20A | |
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| Fuse break check function | |
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| bandwidth switching | |
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| 110% Voltage output port (T3 port) | |
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| S10, S12, S13, E ports | |
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| sports event | ST5540 | ST5541 | |
|---|---|---|---|
| Leakage current test mode | Ground Leakage Current | |
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| contact current | |
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| Patient Test Current | |
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| Patient leakage current | |
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| Total Patient Leakage Current | |
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| Arbitrary current | |
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| Leakage current between enclosure and earth | |
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| Leakage current between housing - enclosure | |
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| Leakage current between housing and line | |
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| Patient leakage currentⅠ | |
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| Patient leakage current ⅠⅠ | |
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| Patient leakage current Ⅰ Ⅰ Ⅰ | |
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