About the product1. The electrical compensation function provide the compensation to the thermocouple error so as to improve the overall precision 2. To measure the thermocouple of J, K,T,E,N and R type. 3. Unit Celsius and fahrenheit unit 4. Human centered design, easy operation 5. Measuring Range: J-type: -210C to 1200C (-346F to 2192F) K-type: -200C to 1372C (-328F to 2501F) T-type: -250C to 400C (-418F to 752F) E-type: -150C to 1000C (-238F to 1832F) N-type: -200C to 1300C (-328F to 2372F) R-type: 0C to 1767C (32F to 3212F) 6. Resolution: 0.1C/F<1000Degree; 1.0C/=<1000Degree 7. Electrical compensation 8. C/F SwitchSpecification: General Model GM1312 Material ABS, TPU Operating Temperature 0 ~ 40 Degree Celsius Temperature Range -50 to 300C Cable Length 1m Accuracy +/- 0.1%+0.6C Power Supply 3*1.5V AAA batteries (not included) Display Size 145.5*29*72mm Weight 125g Package Include Package Contents 1 x Manual 1 x Thermocouple 2 x Cables Package Weight One Package Weight 0.26kgs / 0.57lb One Package Size 18cm * 10.5cm * 4cm / 7.09inch * 4.13inch * 1.57inch Qty per Carton 60 Carton Weight 15.60kgs / 34.39lb Carton Size 60cm * 43cm * 26cm / 23.62inch * 16.93inch * 10.24inch Loading Container 20GP: 397 cartons * 60 pcs = 23820 pcs40HQ: 922 cartons * 60 pcs = 55320 pcs