Loaded combined tester ST-800

for switches

Features: SUNS ST-800 proximity switch tester is designed to test most 3 wire DC proximity switches inductives [metal sensing] or capacitives photoelectrics or, ultrasonics. The unit is fitted with 2x 9V batteries ready for use. Specifications: SUNS ST-800 proximity switch tester is designed to test most 3 wire DC proximity switches inductives [metal sensing] or capacitives photoelectrics or, ultrasonics. The unit is fitted with 2x 9V batteries ready for use. Standard color coding for 3 wire proximity switches is Brown = Positive Black = Load, Blue = Negative (-) [Note: some universal DC switches can vary, try to follow makers wiring instructions]