Description
Mastech MS5900
The Mastech MS5900 is a professional motor and phase rotation indicator designed for detecting phase sequence and motor rotation direction in three-phase electrical systems. It is widely used in industrial maintenance, electrical installations, HVAC systems, and motor troubleshooting applications.
Mastech MS5900
Key Features
- Detects three-phase rotation direction
- Determines motor rotation direction
- Non-contact rotary field indication
- LED indication for clockwise and counterclockwise rotation
- Compact handheld design
- CAT III 600V safety rating
- Battery-powered portable operation
- Suitable for motors, pumps, conveyors, and industrial equipment
Technical Specifications
| Specification |
Details |
| Model |
MS5900 |
| Function |
Motor & Phase Rotation Indicator |
| Voltage Range |
1V ~ 400V AC |
| Phase Indication Voltage |
120V ~ 400V AC |
| Frequency Range |
2Hz ~ 400Hz |
| Test Current |
< 3.5mA |
| Safety Rating |
CAT III 600V |
| Power Supply |
1 × 9V Battery |
| Operating Temperature |
0°C ~ 40°C |
| Operating Humidity |
15% ~ 80% RH |
| Dimensions |
130 × 72 × 32 mm |
| Weight |
Approx. 193g |
Applications
- Three-phase motor installation
- Industrial maintenance
- Electrical troubleshooting
- HVAC systems
- Pump and conveyor testing
- Factory electrical systems
Included Accessories
- Test leads
- Alligator clips
- 9V battery
- Carrying case
- User manual
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