Four Channels Thermometer – CENTER 309 Series


  • Auto Range
  • 4 Channel Input
  • 4 Channel Display
  • With Windows Software
  • RS-232 interface
  • 16,000 Records Data Logger each channel
  • Resolution0.1°C. 0.1°F
  • Auto power off
  • HOLD function
  • MAX/MIN function
  • Low battery indication

Dpstar Group is a leading supplier of handheld test instruments since the ’90s. We offer a wide range of industrial testing meters and environmental monitoring instruments. These include digital multimeter, clamp meters, insulation testers, thermocouple/infrared/RTD thermometers, sound level meters, light meters, and gas leakage detectors. Our goal is to continuously provide the customers not only more innovative, higher accuracy, and better quality products, but also excellent customer services and supports.

CENTER 309 is the perfect piece for anyone who relies on accurate temperature measurements. This unit is powered by a 9V battery, and includes an auto power off function, and comes with a USB cable and software to enable you to connect it to your computer to save all of your records. The included Windows-based software provides a record-keeping capacity of 16,000 records per channel.

These data loggers are designed for advanced applications which require temperature data for a period. With CENTER the user can collect the information very easily. The Center 309 allows all 4 x temperature readings to be viewed at the same time. The back light LCD screen is easy to view and the operation of the meter is intuitive and provides accurate results. The built-in real-time clock will give every set of recording data a time stamp so that each data point can be traced. The bundled window software is not only used to read the recording data but it provides a virtual panel in the window to fully control the tester.

LCD Display


Range K type: -200~1370℃ ; -328~2498℉
Accuracy ±0.3%rdg+1℃ ; ±0.3%rdg+2℉
Resolution 0.1℃;  0.1℉
Input Protection 60V DC or 24Vrms AC Maximum
Operation Temp -10℃~50℃ (<90%RH)
Storage Temp -40℃~60℃ (<75%RH)
Battery 9v Battery
Dimensions 184 x 64 x 30 mm
Weight Approx.220g
Accessories Battery, operation Manual, carrying case,
Temperature Probe TP-K01  X 2 pcs, RS-232 cable, software


CENTER 309 Four Channels Thermometer_DpstarGroup