Digital temperature logger 
Single input + data record 
Model: DTM 317 
Features: ☆ -200℃ ~ 1370℃ ( -328 ℉ ~ 2498℉ ) 
Digital temperature logger Tecpel DTM-317 
☆ Memory capacity: space for 16,000 data 
☆ Accuracy: -200℃ ~ 200℃: +/- (0.3% reading value + 1℃) 200℃ ~400℃: +/- (0.5% reading + 1℃) 400℃ ~ 1370℃: +/- (0.3% reading value + 1℃) 
☆ High resolution: 0.1 ℃ 0.1 ℉ 
☆ 4-digit LCD display 
☆ Timer function 
☆ Comes with a K-type temperature measuring rod 
☆ The reading value can be displayed in Celsius or Fahrenheit. 
☆Single thermocouple input 
☆ HOLD reading value retention button, ΔREL relative reading value button function
 ☆ Automatic battery low display 
☆Auto shut-off function ☆ Maximum value, minimum value function 
☆ Tripod can be connected Model: DTM 317 
☆ RS-232 computer interface
 ☆ Standard equipment: computer software set (including program and RS-232 connection cable), TPK-01 measuring rod Exquisite suitcases, one each 
☆ Optional accessories: AC power converter (output DC 9V)