External radio module for meters with M-Bus interface. Usable for optimum reading with difficult access.
The IZAR RADIO EXTERNAL M-BUS consists of an electronic unit, which receives and saves meter information in the form of real data. The radio module sends the meter number, meter reading and various items of operating information every 8 ... 16 sec. The data can be received by a mobile or static receiver.
Mobile: The IZAR@MOBILE 2 TABLET collects the data in walk-by or drive-by mode in conjunction with the IZAR RECEIVER BT. The data for the reading route is sent directly to the central PC.
Static: An IZAR RECEIVER (M-Bus, LAN, WLAN, GPRS) collects and saves the data and transfers it cyclically to a control centre (e.g. HYDRO-CENTER, Web server).
| Radio protocol | OMS 2.0 | ||
| Versions / Frequency band | 868.95 MHz wM-Bus according to OMS | ||
| Modulation | FSK | ||
| Transmission power | 7 mW | ||
| Transmission mode | Unidirectional | ||
| Radio range | Up to 400 m depending on ambient conditions | ||
| Programming interface | Optical IrDa | ||
| Approval in compliance with standard | EN 60950 Information technology equipment - Safety - Part 1: General requirements, EN13757-4 | ||
| Power supply | 2 Lithium batteries 3.6 V | ||
| Battery lifetime | Up to 12 years | ||
| External power supply | AC 7.5 V ... 24 V, I = 10 mA; DC 5 V ... 24 V; I = 10 mA | ||
| Data update | Battery: once per day; External power supply: every 3 minutes | ||
| Sending interval | 8 ... 16 s depending on telegram length | ||
| Maximum deviation real time clock | Typically 1 h per year |
| Operating temperature | °C | -15 ... +55 | |
| Storage temperature | °C | -15 ... +55 | |
| Humidity | % | 0 ... 100 | |
| Protection class | IP 68 |
| Programmable values | Radio on/off, meter type |
| Length | L | mm | 104 |
| Width | B | mm | 83 |
| Height | H | mm | 42 |
| Height | H1 | mm | 34 |