UNI-T UT261A เครื่องทดสอบลำดับเฟสและพวงมาลัยมอเตอร์

UT261 series is used for determining 3-phase power phase sequence, missing phase indication, and motor phase rotation (UT261B). UT261A and UT261B can measure AC voltage of 40~700V and 90~600V respectively. These devices can operate in frequency range of 15~400Hz. UT261 are durable devices which can withstand impact from 2 meter' s height. Test leads with protective tubing are included in optional accessories.

1. Phase sequence indication
2. Missing phase indication
3. Motor rotation indication

Technical Data
Specifications Range UT261A UT261B
AC voltage (V) 90V~600V √
40V~690V √
Frequency (Hz) 15Hz~400Hz √ √
Working current (A) ＜1mA <3mA
Features
Phase sequence indication LCD LED
Missing phase indication LCD LED
Motor rotation indication LED
General Characterisitics
Power UT261A: No battery required; UT261B: 9V battery (6F22) (Battery Not Include）