Hour meters STH-42 up-down hour meter self-powered (lithium battery) 7 years battery lifetime input: dry contact / OC / voltage remote reset small panel size DIN 48 x 24 mm The STH-42 series is a self-powered LCD hourmeter in a small form. With a panel size of DIN 48 x 24 mm, it is perfect for limited space installations. It is powered by a replaceable lithium battery that lasts approximately 7 years, no external power required. The STH-42 series is available in 7 digits with 8 mm height figures with remote reset. Input signal includes dry contact, open collector, voltage, wide range voltage, with max. resolution 1 count per 1/10 hour. The front panel protection is IP54 and wiring connection is easily done via the terminal block connector, making it secure and reliable. TECHNICAL DATA Power supply 3.6V 1/2AA lithium battery (inside), 7 years (replaceable) counting, pulse: dry contact / Open Collector / voltage (NPN transistor): max. sink current: 8 µA, input levels: low 0,8 V; high 2 V - 30 V, max. count speed 30 Hz wide-range voltage: input levels: low 0 - 10V AC/DC, high 20 - 250V AC/DC, max. count speed 20 Hz; input impedance: 300 kΩ front or remote reset: dry contact / Open Collector / voltage (NPN transistor), min. pulse width 6 ms, max. sink current: 8 µA Displayed values range Protection class panel mounting case (WxHxD): 48 x 24 x 42,4 mm panel cut-out dimensions: 45 x 22,2 mm Storage temperature SIMEX Ltd., Wielopole 11, 80-556 Gdańsk, Poland, tel. (+48) 58 762-07-77, fax 58 762-07-70, www.simex.pl

Electronic counters DIMENSIONS Case dimensions Side view Rear view Panel cut-out dimensions EXAMPLARY PIN ASSIGNMENT RESET Version with contact input / OC Version with voltage input input: 4 : dry contact/OC/NPN E : wide range voltage SIMEX Ltd., Wielopole 11, 80-556 Gdańsk, Poland, tel. (+48) 58 762-07-77, fax 58 762-07-70, www.simex.pl