Electrical Measuring Instruments, Brand: Hasegawa Electric Industry Co., Ltd.

Hasegawa Denki Low Voltage Voltage Tester with LED Light [Official Kogyo] HTE-610L-R

Hasegawa Denki Telescopic Voltage Voltage Detector Acoustic Luminescence [Official Kogyo] High/low HSS-6B1

Hasegawa Denki Voltage Detector for High and Low Voltage Case Sold Telescoping Type Voltage Detector for High and Low Voltage Acoustic Luminescence

Hasegawa Electric Industry Acoustic Luminescent Voltage High and Low AC AC60V To Storage Case Included Detector, Voltage, Only, 7000V, HSE-7G