[. . . ] Instruction Manual SPECIFICATIONS Range Resolution -50. 0 to 150. 0°C -58. 0 to 302. 0°F 0. 1°C / 0. 1°F ±0. 3°C (-20 to 90°C) ±0. 5°C (outside) ±0. 5°F (-4 to 194°F) ±1°F (outside) AVAILABLE MODELS HI 98501 ChecktempC (°C reading) and HI 98502 ChecktempF (°F reading) are provided with a stainlesssteel penetration probe. [. . . ] 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. www. hannainst. com Recommendations for Users Before using this product, make sure that it is entirely suitable for the environment in which it is used. Operation of this instrument in residential areas could cause unacceptable interferences to radio and TV equipment. Any variation introduced by the user to the supplied equipment may degrade the instrument's EMC performance. To avoid electrical shock, do not use these instruments when voltages at the measurement surface exceed 24 VAC or 60 VDC. To avoid damages or burns, do not perform any measurement in microwave ovens. The display should show 0. 0°C ±0. 3°C or 32°F ±0. 5°F. Contact your dealer or the nearest Hanna Service Center for recalibration, if necessary. [. . . ] CALIBRATION CHECK® Open the battery cover and slide down the CalCheck® switch. MEASUREMENT MODE CALIBRATION CHECK MODE ISTCKTM R2 06/05 [. . . ]