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Wire-free monitoring
September 1st 2008

Hanwell Instruments' new rl4106 temperature and humidity transmitter is the latest addition to its 4000 series of radio radiologgers. The 4000 series enables wire-free monitoring of a site, with real-time alarm notification, and allows historical analysis of the data.

Each unit reads its on-board sensors to provide accurate information about environmental conditions. Data is transmitted, at user-defined intervals, to the base station that logs and stores the data pending transfer to a PC for analysis and archival storage.

The rl4106 has two sensors as standard: a precision temperature probe and a high quality humidity probe. These can be mounted internally to the transmitter body, externally on the case or remotely on a probe. An additional surface temperature probe can be added to check dewpoint margins.

Sensors can be calibrated by the user or at Hanwell's in-house lab.

ID number and transmission rate are set in the rl4106 using a simple software program (free to download) and a USB cable. Each unit has an LCD screen displaying the most recent readings taken and predicted battery life.

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