The CH8HR is an advanced 8-channel receiver designed for use in alarm systems and access control applications. It operates with up to 40 Elmes Electronic KEELOQ® hopping code transmitters and wireless detectors, providing eight relay output channels as its main feature. This compact receiver is ideal for scenarios requiring transmitter and detector identification or where wireless devices need to be multi-channel interfaced with a wired alarm environment.
The receiver offers eight programmable and isolated NO/NC (normally open/normally closed) relay outputs and one open collector type output (S) for connecting external signaling devices. Output channels can be programmed for momentary (pulse) or latched (on/off) operation. The S output delivers two short pulses (two beeps) on any relay set and one (one beep) on any relay reset. The receiver includes a superheterodyne, highly sensitive radio signal receiving module and features a built-in bicolor LED for power supply and programming step indication. Eight signaling LEDs indicate output relay status in channels. Additional features include anti-sabotage TAMPER function and low battery warning for all wireless detectors learned and operating with the receiver.
| Operating Frequency Band | 433.92 MHz, superheterodyne |
| Compatible Devices | Works with any ELMES 433.92 MHz keyfobs or transmitters |
| Relay Outputs | Eight NO/NC relay outputs, pulse or on/off modes |
| Front Panel Indication | LED indicators |
| Communication | Detector failure warning |
| Battery Monitoring | Transmitter's low battery monitoring |
| Power Supply | 12V DC ±15%, 30 mA standby, 20 mA per active relay |
| Relay Output Ratings | 1A/24V or 0.5A/125V per relay |
| Relay Hold Time | 0.5 seconds to 4 hours |
| TAMPER Protection | Yes, with terminals |
| Operating Temperature Range | -20°C to +40°C |
| Dimensions (L/W/H) | 96/63/28 mm |
Optional Modifications for All Receivers and Transmitters:
| Additional Memory for Up to 112 Transmitters per Channel | -112 | Option for all Elmes Electronic receivers, allowing up to 112 keyfobs per channel instead of the standard 12 |
| Additional 24V DC Power Supply | -12/24 | Option for all Elmes Electronic receivers, allowing operation from 12-24V DC |
| Superheterodyne Receiver/Kit Instead of Standard | -het | Replacement of standard receiver with superheterodyne, reducing signal loss (relevant for CH4HR) |
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