All channel Isolated/Universal input, Standalone Multi-Channel

Its compact size contains an isolated input system which ensures that signals are not corrupted by inputs to other channels, thus eliminating wiring concerns. The GL240s multi-type inputs are suitable for voltage, temperature, humidity, pulse, and logic signals, enabling combined measurements of different phenomena like temperature/humidity and voltage.

Voltage 20 mV – 100 V , 1-5 V/F.S.
Thermocouple Type: K, J, E, T, R, S, B, N, and W (WRe5-26)
Humidity 0 to 100% RH- using the humidity sensor (option B-530)
Pulse 4ch Rotation count (RPM), Accumulating count, Instant count
Logic 4ch

Maximum sampling interval of up to 10ms

Provides faster sampling rates for voltage measurements. Up to 10ms sampling speed is achievable when limiting the number of channels in use.

Sampling Interval 10ms 20ms 50ms 100ms
Number of channel 1 2 5 10
Measuring Voltage

Built-in 4GB Flash memory with SD card support

The new GL series enables reliable long term measurment with its built-in 4GB flash memory and SD card slot for external storage devices. The SD card slot supports an SDHC memory card of up to 32GB.

The captured data can be stored in GBD (Graphtec binary data) or CSV file format.

Sampling 10ms 50ms 100ms 200ms 500ms 1s 10s
GBD format 41 days 88 days 103 days 207 days Over 365 Over 365 Over 365
CSV format 3 days 11 days 16 days 36 days 91 days 182 days Over 365

*Figures are approximate. File size of captured data is 2GB in GBD or CSV file format on this chart.

Sampling interval is limited by the number of channels in use.(10ms:1ch, 50ms:5ch, 100ms:10ch)

Ring capture function

The most recent data is saved when the memory is configured in ring memory mode. (Number of capturing data is 1000 to 2000000 points)

Relay capture function

Data is continuously saved to multiple files up to 2GB without losing any data until capturing is stopped when the memory is configured in the relay mode.

Hot-swapping the SD memory card

SD card can be replaced during data capturing when the sampling interval is 100ms or slower.

Useful functions

Displays the data by a bar chart (in firmware ver.1.10 or later)

The integrated data that is measured by the digital sensors can be displayed by a bar chart in the GL240 series.

Available GS sensors Measurement Unit
GS-TH (Temp/Humidity) sensor Integrated temperature ℃h
GS-DPA-AC adapter with GS-Acxxx sensor (AC current/power) Integrated power kWh
GS-LXUV (Illuminance/UV) sensor Integrated illuminance lxh or klxh
Integrated UV mW/cm2h

Alarm output function

Alarm signals can be placed using the four channel alarm output ports based on set conditions for each channel.
* Optional cable (B-513) is required.

USB drive mode

USB drive mode function enables data to be transferred to the PC from GL240 by drag&drop feature.

Easy-to-read 4.3-inch wide color LCD

Carries a clear 4.3-inch wide TFT color LCD screen (WQVGA:480×272 dot)for the GL240. Monitoring data are displayed in waveform or digital form option. Parameter settings can be displayed on the screen.

3 Types of power source

Choose from AC power supply, DC supply* or the rechargeable battery pack.*
* Optional accessories (B-514 or B-569) are required.

Networking features

Various functions are available using a network. Web & FTP server function, FTP client function, NTP client function

*The GL240 needs to be connected to a LAN enviroment using the available WLAN ports for above functions.

Storage case (B-581)

Portable case to store GL240 and signal input cables for easy handling.
* The case is not to protect from hard impact.

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