Product Description

Expandable from the standard 20-channel configuration to a maximum of 200 channels. All channels feature insulated and multi-function inputs. The Gl840-M GL840-M Multi-Channel is a compact data logger, with an A5 footprint, providing excellent portability.

All channels are isolated channel-to-channel and channel-to-ground. It has the ability to perform simultaneous measurements of voltage, temperature, and humidity. It also supports such inputs as pulse (e.g. power, rpm, and flow) and logic, in addition to voltage and temperature.

Record directly to USB memory
The new LOGGER Gl840-M  is compatible with high-capacity USB memory devices and also features 12 MB of internal flash memory.

Large TFT display

The 5.7-inch TFT display is bright and easy to read, with a choice of three screens to suit the measurement application. The settings screen shows the input signal waveform in order to illustrate the impact of each modification in real-time.

The Logger Gl840-M operates on both AC and DC, as well as on battery power supplied via twin onboard batteries designed to allow nine hours of continuous operation. (Actual time may vary depending on settings and operating conditions). The Logger  Gl840-M has been designed to provide maximum protection for important measurements.

Data, by switching automatically to battery back-up in the event of an interruption to the AC power supply, stopping　measurement, and closing all files when the battery　power is low. Terminal units are standardized to 20 channels per unit (expandable to a maximum of 200 channels), with insulated and multi-function inputs on all channels.

In addition, further expansion to up to 500 channels is possible by connecting multiple Logger Gl840-M  units to a computer via USB/LAN connections.

LOGGER GL840-M Multi-Channel

• Sample analogue 10 channel measurement
• Recording interval
• (sampling speed) l100 ms 200 ms 500 ms 1 s 10 s
• 12 MB internal
• flash memory Approx. 13 hours Approx. One day + 3 hours Approx. Two days + 21 hours Approx. Five days Approx. 58 days.
• 256 MB USB memory Approx. 12 days Approx. 25 days Approx. 62 days Approx. 125 days Approx. 1,256 days.
• 7-inch wide TFT colour LCD screen
• Three types of power source: AC, DC*, rechargeable battery pack*
• Extended memory capacity using SD cards (SDHC compatible up to 32GB*)
• Max sampling interval up to 10ms
• Expandable up to 200 channels
• Access GL100 sensors and adapters

USEFUL FUNCTIONS

• Various functions, such as a bar chart data display, alarm output function, navigation function, and networking features are available in the GL840 to assist users to maintain recording comprehensive capabilities

DIRECT CSV / EXCEL RECORDING WITH REAL-TIME MONITORING CAPABILITY

• Graphtec APS software now carries a direct excel download capability with the ability to create real-time reports as the rows populate on the Excel sheet. You can populate your spreadsheet in real-time and showcase the waveform as you record.