The Graphtec GL860 is a highly versatile, standalone data logger engineered to handle massive sensor arrays by scaling from 20 base channels up to 200 fully isolated channels. Operating with a high-resolution 7-inch widescreen colour display and an advanced internal flash memory architecture, it provides comprehensive data acquisition directly in the field without requiring a laptop connection. The instrument functions fundamentally as a centralised diagnostic hub that safely logs voltage, temperature, humidity, logic, and pulse signals simultaneously across high-density setups.
The GL860 offers unique modular terminal configuration, allowing users to physically daisy-chain extension blocks closer to actual sensor locations. This distributed architecture drastically shortens individual sensor leads, minimising thermal noise and signal degradation while maintaining complete channel-to-channel galvanic isolation across massive, high-count monitoring points.
Analogue Channels: 20 channels base, expandable up to 200 channels
Input Terminal Types: Standard M3 screw terminals, optional screwless push-in terminals
A/D Resolution: 16-bit
Sampling Interval: 5 ms to 1 hour (5 ms to 50 ms limits channel count)
Core Operating Ranges:
Voltage: 20 mV to 100 V DC Full Scale;
Temperature: Thermocouples K, J, E, T, R, S, B, N, W and RTD PT100, PT1000;
Humidity: 0% to 100% RH (requires optional B-530 sensor)
Accuracy/Tolerances: Voltage: ±0.1% of Full Scale; Temperature: Thermocouple dependent (e.g., Type K: ±0.1% of reading + 1.5°C)
Output/Input Types: 4-channel Logic/Pulse inputs, 4-channel Open-Collector Alarm outputs, 1 Trigger input
Electrical/Power Needs: 100 V to 240 V AC (via supplied adapter), 8.5 V to 24 V DC, or via up to two optional rechargeable battery packs (B-569)
Enclosure/Physical Protection Ratings: Rugged industrial chassis; Vibration resistance equivalent to Automobile Parts Type 1 Class A
Display Specifications: 7-inch widescreen TFT color LCD (WVGA: 800 x 480 pixels)
Data Storage: 4 GB Internal Flash Memory, 1 SDHC card slot (up to 32 GB)
Applications
Frequently Asked Questions
GL860 data logger with 7" wide TFT colour LCD with waveform or digital value. Sampling Interval 5ms to 1 Hour with trigger start/stop function. High Speed USB 2.0 and Ethernet ports with 8GB internal memory and 1 SDHC supported memory slot for up to 32GB. SD Card slot can also be used with WLAN adaptor to provide Wireless connection to PC or GL100 wireless loggers. AC, DC or battery supply options with suitable power supply options. Operating environment: 0 to 45°C, 5 to 85%RH. Includes software and cable.
20 channel input terminal, Multi-Input type. Suitable for the GL860 data logger.
20 Channel Screwless Input Terminal, Multi-Input Type. Suitable for the GL860 data logger.
20 channel input terminal, Withstand High Voltage type. Suitable for the GL860 data logger.
20 Channel Terminal Expansion Base Plate. Suitable for the GL860 data loggers
0.5m Extension Cable for connecting the GL860 to the 20 channel extension terminal blocks, part ref B-567-05
2.0m Extension Cable for connecting the GL860 to the 20 channel extension terminal blocks, part ref B-566.
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