Description:
This is a professional digital thermometer with 2 external K-Type Thermocouples for high temperature measurement. You can replace the thermocouples with any standard K-Type thermocouple connectors. 
It has a wide range of applications in Ovens, Furnaces, Ceramics, Pottery, Molten Metal and many other industrial uses. 

Features: 
Data Hold function mode 
Maximum (MAX), Minimum (MIN) and Average Temperature Measurement (AVG) 
2 channel temperature measurement (T1 & T2) 
Differential Temperature Measurement (T1 - T2) 
Extra 2 pieces of Metal Temperature Probes 
Switchable between °C, °F & K 
Displays the temperature difference between two inputs 
Auto power shut off 
Self-calibrating function and factory restore function 

Specifications: 
Temperature range: -50 ~ 1300 °C (-58 ~ 2372 °F) 
Accuracy: ±0.1 °C ± 0.4 Operating 
Temperature: 0 ~ 40 °C (32 ~ 104 °F) 
Operating Humidity: 0 ~ 70 % (R.H.) 
Input protection: 60V DC or 24V AC maximum input voltage on any combination input pins 
Reading rate: 2.5 times per second 
Input connector: accept standard miniature thermocouple connectors 
Battery: standard 9V battery 
Note: The thermometer itself can sensor 1300°C, but the 2 test probes can only test the temperature up to 250°C, so if you need to test more than 250°C, please change these two probes. 

Package:
1 x Digital thermometer 
2 x Test probe 
1 x English user manual