Horng-Chi Co., Ltd. - CHY INFRARED THERMOMETER, TM THERMOMETER, HILA INSULATION TESTER, TES SOUND LEVEL METER, Lutron POWER AND HARMONICS ANALYZER, CIE AC/DC CLAMP MULTIMETER, YF CAPACITANCE METER, Sanwa DIGITAL MULTIMETER, Twintex POWER SUPPLY, HIOKI LIGHT METER, CO METER, TESTER, HUMIDITY METER, LCR DIGITAL MULTIMETER, DIGITAL TACHOMETER, WATER TESTER, VIBRATION METER, SEW PHASE ROTATION TESTER.