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Water Temperature Thermometer for Legionella Monitoring & Control

Legionella Control International offer a range of professional water temperature thermometers and Legionella testing kits that have been carefully selected to help those with responsibility for the routine monitoring and control of Legionella bacteria in water systems.

Our water thermometers allow users to easily and accurately check the temperature of hot and cold water systems, a key compliance indicator required as part of an ACOP L8 compliance programme for the control of Legionnaires’ disease in the workplace.

Regularly testing and recording temperatures of your hot and cold water systems is an essential task if you are to demonstrate and maintain compliance with the law.

What do the Health & Safety Executive say about the water temperatures?

The Health & Safety Executive in their Legionella related Approved Code of Practice (ACOP) L8 state that the risk from exposure to Legionella bacteria should normally be controlled by measures which do not allow the growth of Legionella bacteria in water systems which include avoiding water temperatures between 20 oC and 45 oC, that favour the growth of Legionella and other microorganisms.

What do hot & cold water temperatures need to be?

To comply with current recommendations from the Health and Safety Executive regarding the thermal control of Legionella, hot and cold water temperatures should be monitored and tested monthly and to meet the following criteria.

Cold water temperatures

The cold water temperature of your systems should be below 20 oC after running the water for up to two minutes. This should be measured and formally recorded on a monthly basis.

Hot water temperatures

The hot water temperature should be at least 50 oC within a minute of running the hot water (55 oC in healthcare), and should be measured and formally recorded on a monthly basis.

Hot Water Calorifier Temperatures

For water leaving and returning to a calorifier (water heater), the outgoing water should be at least 60 oC, and the return at least 50 oC (55 oC in healthcare). This should be measured and formally recorded on a monthly basis.

Water temperature thermometers

Regularly testing and recording the temperatures of your hot and cold water systems is an essential task if you are to demonstrate and maintain compliance with the law. Our water temperature thermometers and temperature meters will help you achieve this.

Our range of professional Legionella thermometers and water temperature meters have been carefully selected by our expert risk assessors for ease of use, reliability and accuracy.

Our thermometers are ideal for those with responsibility for the management and control of legionella risks including landlords, duty holders, those appointed responsible person, health and safety managers, property owners, building maintenance managers, service engineers, water treatment contractors and facilities managers.

Legionella thermometer kit (with calibration)

Legionella thermometer testing kit
  • Dual-input thermometer – measure temperatures from two points simultaneously
  • Works with a wide variety of interchangeable type K temperature probes (sold separately)
  • Ideal for HVAC work – measure the temperature drop across radiators or the temperature rise and fall of other objects
  • Measure from each channel individually (T1 or T2) or measure the difference (T1-T2)
  • Temperature measurements from -99.9 to 299.9°C with resolution of 0.1°C and 300 to 1372°C with resolution of 1°C
  • Data hold function temporarily stores current values shown on the screen
  • MAX/MIN mode calculates the maximum and minimum temperatures taken over a period of time
  • Automatic power off helps to save battery life
  • 7500 hour battery life on 3 x 1.5V AAA batteries
  • IP66 and IP67 rated waterproof case
  • 2 year manufacturers guarantee

Stem thermometer

Stem water temperature thermometer
  • Simple and easy to use stem type legionella thermometer
  • High quality 70mm stainless steel stem
  • Measures both °C and °F with ranges of -40 to 200°C (-40 to 392°F )
  • Max/Min recall of high and low temperatures
  • Data hold and auto power off features
  • Digital display with 0.1° resolution
  • Complete with one LR44 button battery and protective cover
  • Weighs only 25g

Dual J/K thermometer with alarms

Dual input thermometer for legionella
  • Compatible with both type J and K thermocouples
  • Measures from-328 to 2498°F (-200 to 1370°C) using type K
  • Measures from -328 to 1922°F (-200 to 1050°C) using type J
  • Rugged design for use in heavy duty environments
  • Large dual LCD display
  • Show TL, T2 or TL-T2 plus elapsed testing time
  • Differential temperature measurements
  • MIN/MAX/AVG readings
  • Data hold function
  • Relative function
  • Programmable high and low alarms

Mini infrared thermometer with K input

Mini infrared thermometer with K input
  • Compact, non-contact thermometer with built-in laser pointer
  • Infrared temperature range from -50 to 600°C (-58 to 1112°F)
  • Ambient air temperature range from -20 to 70°C (-4 to 158°F)
  • Type K temperature range from -50 to 1000°C (-59 to 1832°F)
  • Simultaneously displays ambient (air) temperature and non-contact infrared or type K thermocouple readings
  • 12:1 distance to target ratio
  • Adjustable emissivity for better accuracy on many different surface types
  • Programmable high and low alarm alerts with visual and audible alerts (audible alarm can be muted)
  • Display maximum, minimum, average and MAX minus MIN values with built-in MAX, MIN, AVG and DIF functions
  • Automatically holds current values on the display when trigger is released
  • Bright white backlit LCD display
  • Automatic power off approx 10 seconds after trigger is released

Legionella and water safety experts

Legionella Control International is a world-leading legionella and water safety specialist. Our teams of experts support business owners, landlords and those responsible for the control of waterborne pathogens including Legionella bacteria in the workplace, helping them to protect their staff, tenants and others and so meet their health and safety obligations in this specialist area.

We deliver a range of specialist risk management solutions including water quality analysis and legionella sampling, risk assessment, regulatory compliance auditing, training, expert witness support and other services that help keep people safe.

If you would like to speak with one of our specialists about managing your legionella risks call us today on 0330 223 36 86 or contact us here …

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