UNI-T UT261B detects three-phase phase sequence, missing phase, and motor rotation direction across 90–600V AC and 15–400Hz. LED indication, non-contact motor rotation detection, CAT III 600V protection, and rugged 2m drop resistance support electrical installation and maintenance.
Key Features
- 90–600V AC phase sequence testing
- 15–400Hz frequency range
- Missing phase indication
- Motor rotation direction indication
- Non-contact motor rotation detection
- LED status indication
- CAT III 600V and IP40 protection
- 2m drop resistance
Product Specifications
| Model |
UT261B |
| Product Type |
Phase sequence and motor rotation indicator |
| AC Voltage Range |
90–600V |
| Frequency Range |
15–400Hz |
| Phase Sequence Indication |
LED |
| Missing Phase Indication |
LED |
| Motor Rotation Indication |
LED |
| Safety Rating |
CAT III 600V |
| Ingress Protection |
IP40 |
| Power Supply |
1 × 9V 6F22 battery |
| Product Size |
123 × 71 × 29mm |
| Net Weight |
Approx. 180g |
Applications
- Three-phase power installation checks
- Motor rotation verification
- Missing-phase troubleshooting
- Electrical panel commissioning
- Industrial equipment maintenance
Included Components
- 9V battery
- Three alligator-clip test leads
- Carrying bag
- User manual