Standard 20 input channels that can be expanded Up to 200 with multifunction input - The GL840 is fitted with 20 channels as standard but can be expanded from 20 to 200 channels with the optional B-537 and B-538 expansion modules. A total of 500 channels can be monitored via the GL820 software and up to ten GL840 units can be networked as a complete data logging system.
The multifunction GL840 device can record voltages, temperature, current, humidity, pulse and logic signals(An external shunt resistor is required for measuring current).
Built-in 2GB flash memory for reliable measurements - The 2GB flash memory used for the built-in memory device ensures that data is retained even if the power supply is interrupted. This means momentary disruptions in the AC power supply or accidentally switching off power will not result in data loss.Two ports are provided on the GL840, one for the plug-in USB memory device and one for connecting to a PC.
Built with bright, easy-to-read 14.5cm(5.7") TFT colour LCD monitor (VGA: 640 x 480 dots).
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