• GL240 midi LOGGER (65.6%)

    GL240 midi LOGGER

GL240 midi LOGGER

GL240 Data Logger

Quick Overview

The GL240 Data logger is a direct replacement for the GL220 and now incorporates a wireless connectivity option and integration with the GL100-WL remote units. With 10 fully isolated multi-function inputs, large internal 4GB Flash memory and a port for an external USB stick memory, this logger has significantly more memory than it predecessors, plus includes dual SD slots suitable for 32GB SDHC memory cards or wireless adaptor.


Graphtec GL240 Data Logger



  • 10 isolated multi function inputs. (Voltage Temperature or humidity)
  • High Resolution 4.3" colour LCD display
  • Easy to use keypad menu system
  • 2 SD Memory Card Slots (Suitable for up to 32GB SDHC Type memory cards
  • 4GB SD Memory card installed in first SD Slot.
  • Optional Wireless LAN connection via SD Slot.Connect the GL240 to a PC to transfer data or monitor data in real time
  • Connect the GL240 to a GL100-WL unit, max 40m range.
  • Remote monitoring of GL240 using LAN access point.
  • Remote monitoring of GL240 via Internet using router with dynamic DNS service
  • Optional battery for measurement in remote areas.
  • Record data directly to USB data stick
  • Free software to review / analyse data.

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Number of analog inputs

10 Channels


Measurement ranges



mV: 20, 50, 100, 200, 500mV.

V: 1, 2, 5, 10, 20, 50V and 100V.

Temperature: Thermocouples K, J, E, T, R, S, B, N, W

Humidity: 0-100%, with optional sensor, B-530).

Scan Speed

10ms to 1 hour (10ms to 50ms: voltage only). Minimum interval per channel.

PC Interface

USB 2.0, WLAN (using B-569 option)

Scaling Functions

Measured value can be converted to the specified engineering unit
• Analog voltage: Converts using four reference points (gain, offset)
• Temperature: Converts using two reference points (offset)
• Pulse count: Converts using two reference points (gain)


4.3" WQVGA TFT colour LCD.

Waveform in Y-T with digital values, Waveform only, Digital value, Digital values
and statistics values

Display Language

English, French, German, Chinese, Korean, Russian, Spanish, Japanese.

Operating Environment

0-45°C, 5-85%RH. (0 to 40°C with battery pack, 15 to 35°C when charging)

Power Consumption

Max 36VA

External Dimensions

188 x 117 x 42mm (excluding projections)


500g (excluding AC adapter and battery)