G20 Channel Logger With Expander Modules For Up To 200CH

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Product code: GL840-WV

Backorder Now, once ordered your item will dispatch before the 08th of July 2025, call 1300 737 871 (NZ 0800 737 871 to confirm).

The GL840-WV is fitted with 20 channels as standard but can be expanded from 20 to 200 channels with the optional B-566 expansion base, and the B-567-05 and B-567-20 expansion cables. A total of 500 channels can be monitored via the GL840 software and up to ten GL840 units can be networked as a complete data logging system.

The GL840-WV is suitable for stacked, high-voltage battery applications or high-precision temperature measurements.

Features:


20 input channels as standard, expandable to 200 channels.
Isolated multifunction channels for Voltage, Temperature or Humidity.
Inputs: Voltage (20mv to 100V), Thermocouples (K,E,J,T,N,R,S,T,B,W) and 4-20mA signals via external shunt resistor.
Optional Graphtec B-530 Humidity sensor is available.
Four pulse inputs and one trigger input. Optional Graphtec B-513 cable required.
16-bit ADC resolution.
17.8cm (7") colour LCD display (VGA: 800 x 480 dots).
Waveform and text display modes.
Easy-to-use keypad menu system.
Single open-collector alarm output.
Range of trigger functions.
Real-time statistical calculation.
4GB SD memory card included.
USB 2.0 interface for PC connection.
Ethernet (TCP/IP) for PC connection and WEB/FTP server.

Specifications



Type: General purpose data logger.
Channels: 20 - expandable to 200.
Inputs: Voltage, Current*, Temperature, Humidity and Logic I/O.
Speed: 10ms to 1hr.
Resolution: 16bit.
Data Storage: Removable 4GB SD card memory.
PC Connection: Ethernet & USB 2.0.
Data transfer: SD memory card or direct to PC.
Power: Internal Graphtec Battery B-569 or External 8.5~24 volts DC.
Software: Software included and freely available via download.

Scan speed specifications:

10 milli Seconds for 1 channel.
20 milli Seconds for 2 channels.
50 milli Seconds for 5 channels.
100 milli Seconds for 1-10 channels.
200 milli Seconds for 11-20 channels.
500 milli Seconds for 21-50 channels.
1 Second for 51-100 channels.
2 Seconds for 101-200 channels

Options and accessories:

Graphtec B-566 expansion base - The B-566 terminal base allows users to set-up additional channels for the GL840
Graptec B-567-05 0.5 mtr expansion and Graphtec B-567-20 2.0 mtr expansion cable - Users must purchase one of these cables together with the B-566 base unit.
Graphtec B-564 expansion terminal + base (M)/Graphtec B-565 expansion terminal + base (WV) - Input terminal bases that can be used in configuring additional channels

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