The Counting Relay HHJ2 Series is a compact 8-digit LCD counter for pulse counting and reset control. HHJ2-8 supports a 1-99999999 counting range, contact or voltage input options, 30 times/sec or 1000 times/sec counting speed, and panel mounting in a 48×22×55mm body.
| Model / specification | HHJ2-8 |
|---|---|
| Working power supply | self-contained power supply (built-in non-rechargeable battery) |
| Working mode | positive counting, 8-digit LCD display |
| Counting speed | high frequency 1000 times/second; low frequency 30 times/second |
| Counting range | 1-99999999 |
| Input signal | HHJ2-8: contact signal |
| HHJ2-8U | level signal (DC4-30V) |
| Battery life | 1 year |
| Dimensions | 48×22×55mm |
| Opening size | 45×22mm |
| Installation method | panel type |
| Alternative products | H7EC, DHC3J, JDM3 |
| a) Low speed | below 30 times/sec |
| b) High speed | 1000 times/sec |
| Operating power | Self-powered (with internal battery) |
| Counting range | 1~99999999 |
| Voltage input | DC4.5-35V |
| No voltage input | a) Maximum resistance of contact on ≤10KΩ b) Maximum resistance of contact disconnection >500KΩ |
| Counting speed | a) Low speed: below 30 times/sec b) High speed: 1000 times/sec |
| Reset mode | Panel button reset and rear terminals 3, 4 reset |
| Battery life | low-frequency mode can be used for 6 years, high-frequency mode can be used for 1 year |
| Ambient temperature | -10 ~ +40 °C |
| Ambient humidity | 35~85% |
| Opening size | 45×22.5 mm |
