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The H0530 is a low-cost Ethernet solution for Temperature monitoring and alarm in server room, data centre, museum, medical and industrial environment monitoring applications. Featuring a built-in temperature sensor with a -30°C to 80°C range, 3 digital inputs for use with PIR or flood detection devices, 2 alarm relay outputs, LCD for local display, email and SNMP under/over temperature/humidity alarm, a built-in webserver for real time temperature display and history chart and MODBUS protocol for SCADA compatibility.
http://www.audon.co.uk/h4531.html