Tempmate.®-B series temperature and humidity (B4 only) data loggers are ideal whenever your good will be transported and stored over a long period of time and you have to make sure, that the quality has not been compromised. Its ultra-compact dimensions, super light weight and the economical pricing make our tempmate.®-B series a worldwide first choice. tempmate.®-B series are self contained single channel temperature data loggers with the ability to record up to 8,000 data points, depending upon the model chosen they will measure from -40°C to +140°C.


Temperature range –20 °C to 85 °C
Accuracy ± 0.5°C at –10°C to 70°C ± 5 % RH ± 2 % RH (calibrated)
Power supply Internal, permanently installed 3.0V lithium battery
Battery life 10 years or 1 million samples
Sampling 1 to 255 minutes
Memory size 2048 readings
Resolution 0.5 °C (8 bits)
Response time approximately 90 seconds (in the air)
Dimensions Ø 17 mm × 6 mm
Weight 4g
Housing Material 305 stainless steel
Protection class IP55– splash proof; housing for higher protection classes are available
Ex-fitness Meets UL # 913 (4th Edit), Intrinsically Safe Apparatus, approval under Entity Concept for use in Class I, Division
1, Group A, B, C and D Locations
PC Connection USB interface
Time, max. deviation ± 2 minutes per month
Start time delay max. 45 days at 1 minute measurement frequency
Start with Alarm no

*** All accessories sold separately and not with the B-Series ***