HED251-T Trumeter Counter, 4 Digit, 10kHz, 3 V dc

10mm, 4 Digit Counter with Reset Function_x000D_ Provides the user with a resettable counter which can be installed quickly via two spring clips which are integral to the housing_x000D_ 1//32 DIN housing - 24 x 48 mm_x000D_ Counts low speed signals such as contact closure pulses_x000D_ Leading zero suppression_x000D_ Rear connection via one 5-way plug connector_x000D_ Counting input: N/O contact or open collector, negative edge triggered, threshold voltage 0.7V, max. 18V_x000D_ Maximum count frequency 10Hz, min. pulse length 25ms_x000D_ Reset input: as counting input_x000D_ Note_x000D_ All Trumeter products come with a 3 year manufacturer's warranty_x000D_ LCD Trumeter Falcon Range_x000D_ These multifunction, low power consumption, digital meters are all available with or without back lighting. They are housed in either 24 x 48mm or 36 x 72mm cases which clip into an appropriate panel cut-out. All have an operating temperature range of 0 to +50°C.