STH-42
The electronic counters STH-42 are popular, self-powered LCD hour meters in a small form. With a panel size of DIN 48 x 24 mm, they are perfect for limited space installations. They are powered by a replaceable lithium battery that lasts approximately 7 years, no external power required. They are available in 7 digits with 8 mm
height figures with remote reset. Input signal includes dry contact, open collector, voltage (NPN), wide range voltage at maximum count speed up to 30 Hz. The front panel protection is IP 54 and wiring connection is easily done via the terminal block connector, making it secure and reliable. CE, UL and RoHS compliant.
Parameters
| Power supply | 3.6V 1/2AA Lithium Battery (inside), 7 years (replaceable) |
|---|---|
| Measurement range | 0.0 – 999999.9 |
| Inputs | 1 x pulse input: Dry Contact/OC/Voltage (NPN Transistor) or Wide-Range Voltage |
| Input levels | Dry Contact/OC/Voltage: L < 0.8V, H: 2 – 30 V; Wide-Range Voltage: L: 0 – 10V AC/DC, H: 20 – 250V AC/DC |
| Resolution | 1 count per 1/10 hour |
| Storage temperature | -20°C ÷ +65°C |
| Reset | remote reset: dry contact/OC/voltage or wide-range voltage |
| Operating temperature | -10°C ÷ +55°C |
| Case | panel |
| Case dimensions | 48 x 24 x 42,4 mm |
| Protection class | IP 54 (panel surface) |
| Display | 7 digits, 7-segment LCD, 8 mm |
| Panel cut-out dimensions | 45 x 22,2 mm |
