H7EC 8 digits LCD Display Total Counter
Working principle and use:
H7EC series of electronic LCD display counter, timer, has advantages of novel structure, smart, stable and reliable performance, convenient in use, is specifically for tracking and monitoring a variety of precision instruments, mechanical printing power, driving, Elevators, all kinds of cars and other equipment, the actual number of operations and time monitoring of the record, provides a true scientific basis for the maintenance cycle.
Features:
1. DIN 48x24mm standard panel size;
2. With built-in long life span Li-ion battery,external power supply is not needed;
3. 6 or 8 bits LCD display;
4. Can input contact signal,voltage signal and city power as counting signal;
5. No mechanical wear,long life span,can replace electromagnetic counter.
Model meaning:
| Diaplay type | 8 bits LCD display | ||
| Reset | outside terminal/button on panel | ||
| Counter input | no voltage input(contact or transistor) | DC voltage input(DC5-30V) | AC/DC voltage input(AC/DC24~24V) |
| Reset input | |||
| Counting speed | 20 times/sec(high speed 200 times/second need to note) | ||
| Counter type | H7EC-BLM | H7EC-BVLM | H7EC-FBV |
Technical specifications:
| Power supply | built-in |
| Battery life time | about 10 years(25°C) |
| Counting range | 0~999999/99999999 |
| Min. counting signal | 25mS(20times/sec) |
| Reset min. pulse width | ≥0.2sec |
| Weight | about 60g |
| Working temperature | -5 ~ +40°C(no frozen) |
| Storage temperature | -25~+55°C(no forzen) |
| Working humidity | 35~85%RH |
| No voltage input: | |
| Max. resistance when contact ON | ≤10KΩ |
| Max. resistance when contact OFF | ≥500KΩ |
| Max.residual voltage of input | 0.5V |
| With voltage input: | |
| DC voltage input | L:0~2V H:4~30V |
| Input resistance | ≥4.7KΩ |
| AC voltage input | AC/DC 110~240V |
| Mounting method | panel mount |
| Opening size | 22.2x45mm |
Electrical characturistics:
| Insulation resistance | 100MΩ(DC500V) |
| Withstand voltage | AC2000V 50/60Hz 1min. |
| Anti-interference | IEC61000-4 standard,grade 3 |
Dimensions:
