- Air Quality Meter
- Anemometer
- Battery Test & Analyzer
- Calibration Tester
- Chlorine Meter
- Clamp Meter
- Coating Thickness
- Concrete Meter
- Conductivity Meter
- Current & Echosounder
- Current Injection Test
- Deadweight Tester
- Density Meter
- Dew Point Hygrometer
- Dissolved Oxygen
- Fault Finder Locator
- Flaw Detector
- Flow Meter
- Force Gauge
- Gas Analyzer
- Gauss Meter
- Grain Moisture
- Ground Resistance
- Hand Pump
- Hardness Tester
- High Voltage Rercue
- Hipot Tester
- Holiday Detector
- Insulation Tester
- Leak Detection
- Level Lube Controller
- Light Meter
- Manometer
- Multimeter
- Networks Analyzer
- Ohm Meter
- Oil Content Analyzer
- Other Products
- PH Meter
- Pipe Cable Locator
- Power Quality Analyzer
- Pressure Gauge
- Rangefinder
- Shaft Alignment
- Sound Level Meter
- Spectrophotometer
- Stroboscope
- Tachometer
- Temp. Calibrator
- Thermal Imager
- Thermohygrometer
- Thermometer
- Torque Tester
- Turbidity Meter
- Ultrasonic Thickness
- Vibration Analyzer
- Video Borescope
- Water Level Meter
- Water Quality Meter
- Water Sampler
- Weather Station
- Wood Moisture Meter
GRAPHTEC GL840-M General Purpose Midi Data Logger
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The Graphtec GL840 is a multi-channel data logger that can be used for many data logging applications. There are two versions of this data logger manufactured by Graphtec. The GL840-M which is used for general data logging work, and the GL840-WV which has improved temperature accuracy and it can also handle higher DC voltages.
While the GL840-M can be used on many different types of data logging and monitoring projects. We commonly see our customers using the GL840-M data logger to record some of the following parameters for a fairly wide and varied list of applications.
Graphtec GL840-M
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: Internal 4GB flash memory.
PC Connection: Ethernet & USB 2.0.
Data transfer: SD memory card, direct to PC or via optional WiFi module.
Power: Power: Optional Graphtec Battery B-569 or External 8.5~24 volts DC.
Software: Software included and freely available via download.
The GL840-M includes the following:
GL840 protective rubber boot (B-578).
GL840 Quick Start Guide.
GL840-APS Software on CD.
Mains Power Supply - 24Volts DC.
USB Cable for PC connection.