Ideal thermometer/probe combination to undertake monthly Sentinel readings as part of your legionella prevention regime.
- Includes waterproof/surface probe
- Free traceable calibration certificate included
- Easy to read, backlit LCD display
- Max/min memory function
- Mode button to change from °C to °F
- Response time is less than 0.5 seconds
- 2 years guarantee
For pipework temperatures where a constant visible display is necessary, try the Budget Surface Pipe Thermometer which just clips on.
Thermometer Range -99.9°C to +299.9°C
Probe Range -60°C to +250°C
Resolution 0.1°C
Accuracy ± 0.4°C
Power 3 x 1.5V AAA Batteries
Battery Lifetime 10,000 hours (minimum 5 years)
Probe Ribbon surface probe (type K thermocouple)
Dimensions 128mm high x 56mm wide x 25mm deep (excluding probe)
Weight 130g (excluding probe)
MAX/MIN - Press the MAX/MIN button to display the values. The instrument retains the max/min values when switched off.
0.1/1 °C/°F RESOLUTION - The Therma Elite can be switched between 0.1 °C/F or 1 °C/F by pressing the MODE button.
°C/°F - The instrument can be switched between °C and °F by pressing the MODE button for three seconds.
BACKLIGHT - Press the HOLD button for two seconds. Please Note: the backlight will not operate if 'LO BAT' is being displayed.
HOLD - Press the HOLD button to freeze the display, press again to continue measuring.
AUTO-OFF - The unit will switch off automatically after 10 minutes. To disable auto-off press the HOLD button whilst switching on the instrument (this is reset when the instrument is switched off).
TRIM - Press the MAX/MIN and ON/OFF buttons at start up for five seconds to enter (Offset is displayed). MAX/MIN then cycles (continuous loop) the trim value in 0.1 steps up to ±2.0 ºC (3.6 ºF). Press ON/OFF to save the value and exit Trim mode.
WARNING: IPA and other solvents may cause damage to the case and screen of this instrument.
Question
What makes AquaCert’s chrome replacement filter different?
Answer
The chrome model is built for environments where durability and a premium finish matter. It delivers the same high-level ultrafiltration performance as the standard version, but with a more robust, stylish exterior ideal for commercial showers, gyms, hotels, and high-traffic facilities
Question
How does the filter protect shower users?
Answer
Inside the housing is a finely engineered membrane that physically blocks Legionella and other bacteria from passing through. That means water reaching the user is significantly safer, even if the wider system has temperature fluctuations or contamination hotspots.
Question
Will installing the filter affect my water pressure?
Answer
No. The filter is designed to sustain strong, comfortable water flow. Unless the cartridge is nearing the end of its lifespan or clogged with sediment, shower performance should feel completely normal.
Question
How often should I replace the chrome filter cartridge?
Answer
Most businesses replace cartridges every few months, depending on usage levels and water quality. If you notice reduced flow or your site has sediment-rich water, it’s best to change it sooner to maintain full protection
Question
Is it suitable for commercial and high-risk environments?
Answer
Absolutely. The chrome version is a popular choice for facilities where presentation and reliability matter, such as leisure centres, hotels, student accommodation, and landlords managing multiple units. It adds an extra layer of protection for residents, guests, and staff.



