How to test phase sequence of three phase supply using meter | ফেস সিকুয়েন্স যেভাবে মাপে

Описание: How to test phase sequence of three phase supply using meter | ফেস সিকুয়েন্স যেভাবে মাপে

#Unboxing​ video of UT261B Phase Sequence and Motor Rotation Indicator.
   • Three Phase Sequence Meter | Motor Rotatio...  

Phase Sequence Meter and Its Working Principle:
Phase sequence meter is used for detecting the sequence of the supply in three-phase electric circuits. Since the direction of rotation of three phase electric motors can be changed by changing the phase sequence of supply. And also the correct operation of measuring instruments like 3 phase energy meter and automatic control of devices also depend on the phase sequence. Different types of phase sequence testers are available in today’s market like contact or non contact, static or rotating, etc., in a wide range of voltage or power ratings.

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Product Description:
https://www.uni-trend.com/html/produc...
UT261B Phase Sequence and Motor Rotation Indicator
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.





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