Features
•Dual input for thermocouple probes with mini plug
•Type selectable: K or J
•Range: -200.0°C ~ +1372°C (probe and input type dependant)
•Resolution: 0.1 up to 999.9°C and 1 over 1000°C
•Basic Accuracy: ±(0.2% rdg. +0.7°C) excluding probe error
•T1-T2 differential reading
•°C / °F swithchable
•User offset error adjust ±9°C
•Large colour LCD
•Min, Max, Ave and Data hold function
•High and low alarm with visual indication
•9999 Record memory, recall data on LCD only 
•Auto power off
•Comes with soft case, beaded wire air probe and batteries.

Specifications

Model	TA612B
Type	Dual- channel
Range	K/J type: -200°C to +1372°C /-328°F to +2501°F  (Max measurement range, but still depends on different probe range)
Higher limit alarm	The default value is 1300°C
Lower limit alarm	The default value is -200°C
ADJ compensation	-9~+9°C probe error range compensation
Data storage	TA612A/TA612B 9999 groups TA612C 5000 groups only store the thermocouple channel temperature value ( Ambient temperature data storage is not supported)
Working Temp./hum	0°C~40°C/20~90%RH
Storage Temp./hum.	-10°C~50°C/20~90%RH
Sampling rate	About 1 time/s
Auto power off	After 15mins without operation
Recording time	From REC star, Max 99 hours
Power	3 x 1.5V AA(LR06) batteries / USB 5V1A plug