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Graphtec GL820 Midi Data Logger

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  • Graphtec GL820 Midi Data Logger

Graphtec GL820 Data Logger

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Quick Overview

The GL820 is a compact, lightweight, multi-channel data logger that has 20 channels for measuring voltage, current, thermocouples and RTD temperature inputs, expandable to 200. The GL820 comes with a 5.7” colour LCD and large 2GB internal flash memory and a built in USB port to connect any standard USB flash drive. The integral Ethernet port allows for connection to your network.


  • Number of analog input channels: 20 ch, Expandable up to 200 ch by unit of 20 ch
  • Digital Input: Trigger or Sampling input 1ch, Logic or Pulse input 4 ch
  • Digital Output: Alarm output 4 ch
  • Sampling interval: 10 ms to 1 h (in 10 ms to 50 ms, voltage only and limited channel), External
  • Time scale: 1 sec to 24 hour/division
  • Various trigger options
  • Various alarm function
  • Interface to PC Ethernet (10 BASE-T/100 BASE-TX), USB (Full speed)
  • Storage device Built-in Flash memory (2 giga-bytes), USB memory device
  • Data saving function: Captured data Direct saving of data into built-in Flash memory or USB memory device
  • Ring capturing mode: Function: ON/OFF, Number of capturing point: 1000 to 2000000 (size of the capture data will be limited to 1/3 of available memory when in Ring Mode)
  • USB memory device emulation: USB Memory emulation mode (Transfer or delete the file in built-in memory)
  • Engineering scale function: Set based on the reference point of the scaled output and input signal for each channel (Voltage measurement: four points are necessary to scale the output, Temperature measurement: two points are necessary to scale the output).
  • Display Size 5.7 inch TFT color LCD (VGA: 640 x 480 dots), Formats Waveform + Digital, Waveform only, Calculation + Digital, Expanded digital
  • Operating environment 0 °C to 45°C, 5 % to 85 % RH
  • Power source AC adapter (100 V to 240 V, 50/60 Hz)
  • DC power (8.5 V to 24 V DC, max. 26.4 V)*3, Battery pack*3
  • Power consumption 32VA or lower
  • External dimensions (WxDxH) approx. 232 x 152 x 50 mm
  • Weight approx. 900 g (Excluding AC adapter and battery pack)

Optional extra's for the GL820 series data logger


Product Attachments

View FileGL820 Datasheet    Size: (2.63 MB)
View FileGL820 Introduction    Size: (1.6 MB)