[. . . ] Instruction Manual SPECIFICATIONS Range Resolution Accuracy (@20°C/68°F) -50. 0 to 150. 0°C 0. 1°C ±1°C HI 98509-1 Thermometer Typical EMC Deviation ±1°C Probe Stainless steel, 160 x Ø 3 mm (6. 3 x Ø 0. 12'') with 1 m (3. 3') cable Environment 0 to 50ºC (32 to 122ºF); 95% RH max. [. . . ] If the repair is not covered by the warranty, you will be notified of the charges incurred. If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization Number from the Customer Service department and then send it with shipment costs prepaid. When shipping any instrument, make sure it is properly packaged for complete protection. · Turn the meter ON by sliding the switch on the back side. · Wait for a few seconds for the display to stabilize and switch the meter OFF when not in use. · Variations in readings or fading display can indicate a weak battery. When the thermometer can not be switched on or the display fades, remove the two screws, open the battery cover and replace the 1. 5V AAA battery, while paying attention to its polarity. Reattach the cover by tightening the two screws. Battery should only be replaced in a safe area using the battery type specified in this instruction sheet. Recommendations for Users Before using this product, make sure that it is entirely suitable for the environment in which it is used. [. . . ] To avoid damages or burns, do not perform any measurement in microwave ovens. IST98509-1R1 05/05 [. . . ]