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Sponsored Article

Sponsored New devices from TM Electronics

27 November 2013

New devices from UK thermometer manufacturer TME are transforming legionella risk management in various buildings, from care homes and hospitals to schools, universities, hotels and office blocks

TM Electronics has developed two ingenious solutions for facilities managers tasked with delivering legionella risk management. The new-look MM7000 with alarm function alerts users to critical temperatures, allowing corrective action to be taken; and the ingenious TC Wall Port offers a low-cost, effective method of remotely monitoring temperatures from up to 20 metres away.

MM7000 Alarm Thermometer
Accurately recording multiple temperature tests need not be a paper-heavy task, vulnerable to human error. And thanks to TME’s new-look MM7000 logging thermometer with alarm function, users can now be alerted to critical temperatures allowing corrective action to be taken immediately.

The MM7000 thermometer has broken new ground by using barcodes to identify a location or product, recording not only the accurate temperature, time and date of any measurement but also the unique identity of what is measured. Thanks to its Bluetooth design, it enables up to 1,000 unique measurements to be downloaded to PC or smart phone. The new-look MM7000 goes one step further with the introduction of a critical alarm feature which alerts users to problem temperatures outside of a pre-set range.

How does it work?
The user assigns alarm values to an individual barcode, which gives a visual warning of a Low or High alarm for that barcode. Every time the MM7000 scans the barcode an alarm indication will be displayed. Each barcode includes a unique alpha/numeric code which represents the pre-set temperature range including the high and low alarm values. If these alarm values are exceeded the user will be alerted and can take corrective action.

MD Tom Sensier explains the benefits: “Faced with a bewildering number and variety of required temperature checks, users no longer need to remember a series of critical temperatures as these will have been pre-set. The use of a quick visual alarm makes for a much faster, efficient operation, and corrective action can be taken on the spot rather than waiting until after the event to find out that something has gone wrong.”

Water temperature case study
The alarm function is ideal for critical water temperatures. The legionella pneumophila bacterium responsible for Legionnaires’ disease thrives only within a certain temperature range. To prevent it multiplying, the HSE recommends hot water is stored above 60°C and distributed above 50°C, and cold water is distributed below 20°C. When taking cold water temperatures the alarm value can be generated at 20°C, and for hot water, it can be generated if the reading is below either 50 or 60°C.

TC Wall Port
Another ingenious testing device from TME (also compatible with the new-look MM7000) offers a low cost, effective method of remotely monitoring temperatures from up to 20 metres away. The new TC Wall Port helps managers to overcome some of the common problems experienced with taking temperature in hard to reach or difficult to monitor locations.

Typical applications in the area of legionella risk management are water tanks positioned at height or boxed-in water pipes for showers and wash hand basins.

How does it work?
The TC Wall Port is a thermocouple testing point which acts an intermediary between sensor and thermometer. Measuring just 52 x 52 mm, the discrete device can be easily wall-mounted for convenient access. It is primarily designed for use with fine wire sensors which are fed back to the wall port, where the temperature can be taken by plugging in a handheld thermometer. Additionally, it is compatible with different sensor types, including Velcro, magnetic, rubber patch, immersion, simulant and black body.

Water safety case study
When monitoring water temperatures, a fine wire sensor is attached to the tap, pipe or tank and is then run to the port – a much easier, and less expensive solution than dismantling boxing below sinks or having to use ladders and comply with Working at Height Restrictions. Given the multiple, repetitive temperature measurements required of caretakers or premises managers this is a real time-saver.

“This new, inexpensive device is already a hit with water safety managers - whether they have 100 TMVs to monitor or a single water tank.”

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