4 Channel Thermistor SD Card Data Logger with Relay:
Thermistor Temperature Range-30~70C
Thermistor Temperature Resolution0.1C
Relay -A normal open contact
SD CardSD Card or SDHC card
Sampling Rate- Programmable from 1 second up
Battery - 4PCS AA Alkaline Batteries or 9V DC Adaptor
Optional Accessory - 9VDC Adaptor
Standard PackageMeter, 4 PCS Thermistor Sensor Probes
Battery, Manual, SD Card, Plain Box
Optional accessory - 9VDC adapter - P.N: AP-9VA.