Ideal for checking water and pipework temperatures to ensure that they are not in the range in which legionnella bacteria are likely to multiply. Kit contains a Therma 1 Thermometer, Penetration Probe, Precision Ribbon Surface Probe, PTFE Wire Probe, Water Countdown Timer, Mini Tub of 70 Probe Wipes, ABS Carrying Case. Therma 1 range at 0.1 DegreesC is -99.9 to 299.9 DegreesC. Resolution 0.1 DegreesC and 1 DegreesC. Accuracy +/-0.4 DegreesC, +/-1%. HOLD. Max/Min. Auto Off. Backlight. Biomaster Additive in thermometer casing to reduce bacterial growth.