TM Electronics P4101 Recording Digital Thermometer for Safety Use, E, J, K, T Probe, 2 Input(s), +1333°C Max, ±1 °C

Prints at pre-programmed intervals or by manual command
Printing interval time from 3 Secs to 23 Hours 59 Mins and 59 Secs
Switchable thermocouple types K / T / J / E
Display I/P1 or I/P2 or delta T – I/P1 – I/P2
Print out includes Time Date and Temperature
Min / Max and average functions
Alarm Output to trigger external device
Full retention of thermocouple type and temperature scale
Overrange / Open circuit sensor indication
Low battery indication
Supplied in hard outer case for protection

6 x AAA Batteries