water meter with M-bus

Made in PPO materials which is internationally accepted as meets the purified water requirements and fits for saving resources, health and environmental protection.Electronic direct-reading meter with high-definition LCD display can reads and sends digital information directly. High sensitivity electronic meter with low starting flow measurement, high precision measurement and automatic error correction function. Low power consumption, normal working can be power supplied by M-BUS /RS 485 communication ports line. Measuring maintains for 5 years power supplied by backup internal battery when communication ports line is broken. Permanent data storageThe internal real time clock can be proofread by upper computer. Remote control implemented when installs a valve in the meter. Communication ports: M-BUS/RS485Wire: two-core twisted-pair wire, no polarity connectionCommunications protocol: CJ/T188-2004 or DL/T645-1997 or consulted