User manual HANNA INSTRUMENTS HI 146-99

[. . . ] Instruction Manual HI146-99 Thermometer Dear Customer, Thank you for choosing a Hanna product. Please read carefully this instruction manual before using the meter. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com. [. . . ] Liquid Crystal Display SPECIFICATIONS -50. 0 to 150. 0°C 0. 1°C ±0. 3°C (-20 to 90°C) ±0. 5°C (outside) Typical EMC Deviation ±0. 3°C Probe Stainless steel probe with 2 m (6. 6') cable Battery Type 1 x 1. 5V AA, alkaline Battery Life approx. 5 years of use Casing IP65 Environment 0 to 50°C (32 to 122°F); RH 100% Dimensions 86 x 110 x 43 mm (3. 4 x 4. 3 x 1. 7'') Weight 150 g (5. 3 oz. ) Range Resolution Accuracy OPERATIONAL GUIDE OPERATION · Dip the probe in the sample to be measured. An immersion level of 4 cm (1 ½") is recommended. · Do NOT immerse the probe handle. · Do NOT wrench the probe or put heavy objects on the cable. If the cable is damaged, the meter needs to be replaced. · Wait for a few seconds for the display to stabilize. · Variations in readings or fading display can indicate a weak battery. CALIBRATION CHECK SWITCH · Remove the rear cover (see also "Battery replacement" section). · Move the internal switch to the "TEST" position. · The display should show 0. 0±0. 3°C (contact the nearest Hanna Service Center for recalibration, if necessary). · To return to measure mode, move back the switch to "MEAS" position. · Reattach the cover while paying attention that the gasket is in place before tightening the screws. CE DECLARATION OF CONFORMITY 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 this instrument when voltages at the measurement surface exceed 24 Vac or 60 VdcC. To avoid damages or burns, do not perform any measurement in microwave ovens. BATTERY REPLACEMENT When the display fades, it is recommended to replace the battery with a new one: unscrew the screws on the meter back, remove the rear cover and change the battery, while paying attention to its polarity. [. . . ] 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. [. . . ]