Key features
- Extremely easy operation by using rotary switches, touch screen or classic buttons and “START/STOP” button to select and run appropriate measurement standard and measurement function. Test limit values and parameters will be defined automatically
- AUTO-TEST mode, automatic test sequence, customer-created test plans for machine and low-voltage switchgear testing and factory-programmed and customer-created AUTO-TESTS for PAT testing, PRCDs, mains cord and EV charging cables
- HELP menu (connection, measuring/display ranges, compensation of test leads if actual) available in each measurement
- Fully compatible with “SW-MST-204” PC software to create test reports
- Graphic 4.3-inch, 480 × 272 pixels, full colour TFT LCD with touch screen for measurement values, limit values and test parameters
- Internal memory for 30.000 locations (tree memory structure, 4 levels)
- Integrated interface (USB 2.0) for transfer of measurement results to PC
- Additional four interfaces (USB 2.0) for connection of optional USB barcode scanner, USB keyboard and USB memory stick, all working in parallel
- Compact plastic housing with removable case cover
- Separate soft accessory bag for test leads and accessories
- Connection diagrams inside the case cover
- Limit values adjustable through measuring range in all functions
- Visual and acoustic warnings in case of exceeded limit value
- Adjustable acoustic signal intensity
- Real time clock for documentation of test results
- Timer-limited and continuous measurements
- Adjustable measurement times in timer-limited measurement
- Commander with START/STOP, SAVE and ENTER keys for very handy operations
- Two selectable display languages and two external keyboards supported (English and German)
- Possible assembly into 19-inch Rack Panel, 19-inch rack mount adapter available
Measuring functions
- Visual Inspection
- Protective Bonding Resistance (2-wire, 4-wire) (0.2A, 10A, 25A)
- Prospective fault loop current, Loop impedance ZL/PE
- Prospective fault loop current (RCD no trip)
- Prospective fault loop current (MPCB no trip)
- Prospective short-circuit current, Line impedance, ZL/N, ZL/L
- Prospective short-circuit current (MPCB no trip)
- Prospective short-circuit current (Secundary AC/DC)
- Voltage Drop
- RCD testing (Trip time, Trip current, Uc, AUTO)
- IMD testing
- RCM testing
- Insulation resistance (UTEST 50V…1000V, ramp test)
- HV AC, voltage programmable 250V … 5100 V
- Residual voltage
- Residual time
- Clamp load current and THD
- Clamp leakage current
- Touch current
- Voltage and THD
- Power via external clamp (S, P, Q, PF, cos j)
- Phase rotation
- Voltage PELV
- Voltage SELV
- Voltage CONTROL
- Voltage DC Supply
- Documentation and Functional Tests
Downloads
| Filename | Date | Size | |
|---|---|---|---|
| MST-204 Product brochure | 2024-03-14 | 6 MB | Download |
| SW MST-204 User manual | 2024-03-19 | 434 KB | Download |
| MST-204 User manual | 2024-03-19 | 13 MB | Upon Request |
| MST-204 Installation instructions | 2024-03-19 | 408 KB | Download |
| MST-204 Software v1.0.4 (Extract before install) | 2024-10-16 | 28 MB | Download |