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CENTER 521 -Wireless Four Channels Datalogger Thermometer (Bluetooth)


Wireless four channel input data logger thermometer from Center. This model includes an internal removable Bluetooth module to download data to iOS or Android devices with an analysis package – in addition to the normal PC software and USB interface. The Center 521 has the improved accuracy specifications with 0.7C maximum CJC error and 0.1% reading accuracy. A button activated recall function can display up to 100 sets of manually saved data and Max, Min and average can be displayed on each channel. For longer term monitoring the unit can be powered through the included micro-USB /USB cable – no special power pack required.


  • Measurement Range: -200°C~1370°C; -328°F~2498°F
  • Accuracy: ±0.1%rdg+0.7°C; ±0.1%rdg+1.4°F
  • Resolution: 0.1°C; 0.1°F
  • Input Protection: 30Vrms Maximum
  • Battery Type: 1.5V AAA size Battery x 4 pcs
  • Operating Condition: 0°C to 50°C(<80%RH)
  • Storage Condition: -10°C to 60°C(<70%RH)
  • Dimensions: 187 x 75 x 29 (mm)


• Bluetooth
• T1-T2 Function
• Data Hold Function
• Temperature Alarm Function
• Adjustable Auto Power Off Timer
• Fast Response With High Accuracy
• Measures K, J, E, T, N, R & S Type Thermocouples
• Min/Max/Avg Recording of All Channels
• USB Interface, PC Software Included
• Large Backlit LCD Shows All Channels On Display
• Datalogging Up to 32,000 Points Each Channel
• Recall Function to Instantly Read-out Up to 100 Sets Manually Saved Data


  • User’s manual,
  • Micro USB cable,
  • Battery,
  • Windows software,
  • Carrying case,
  • K type bead probe x 2 pcs
  • BT-01 Bluetooth adapter

Data Sheets