Buffered data logger for capturing temperature values. Covers all the applications between -40°C to 85°C, offers best accuracy in its class (±0.1°C). It has high efficiency and it is user friendly, multiple users may simultaneously share the same database.

GDPF BF is suitable for the following applications:

  • Refrigerators
  • Cold Rooms
  • Warehouses


Sensor element4 wires PT-100
– flexible– 480mm (19″) PTFE
– customized– up to 1000mm (39″)
Operating Range-40 °C to 85 °C
Accuracy±0.1 °C
Memory capacity32,000 data points
Sampling rate1 sec to 24 hours
Internal clock drift4 sec / 24 h @ 23 °
– materialFDA compliant
– enclosureIP-67
– weight51 g (1.80 oz)
– diameter40 mm (1.57″)
– height39 mm (1.54″)
Power1 Lithium battery
0.35 g Lithium content
Classified UN3091 under IATA DGR section
Compliant with ICAO/IATA packing instructions 970
User replaceable
Battery lifetimeUp to 6 months, based on usage
Docking stationUSB connection
4, 8, 12 and 20 ports available
CalibrationsFactory:Traceable NIST/COFRAC – ITS-90 coefficients stored in the internal memory
User:close loop calibration, using XpertLog® software

Optional Accessories:

  • Pliers (Tools to open loggers for battery replacement.)
  • Bracket (Mounting bracket for standard and RF data loggers)
  • Docking Station (Docking station for GMP and GDP data loggers)