Product Description
The Graphtec GL100-N is a compact data logger with features usually seen in the larger more featured units. Graphtec have aimed the GL100 at the typical applications that other data loggers in it's class can not perform. The GL100-N can be battery(2 x AA) powered for up to two weeks, or you can run the GL100-N from an external power supply for as long as required.
GL100 Features
- Type: Compact data logger.
- Channels: Varies with input type.
- Input via sensors:
- DC Voltage.
- Humidity.
- Temperature - Thermocouple or Thermistor.
- AC Current via clip on sensors.
- Acceleration.
- Carbon Dioxide.
- Illuminance + UV.
- Pulse and Logic I/O.
- Sampling Speed: 500ms to 1 hour.
- Data Storage: Built-in 4.9MB or Removable micro SD memory card.
- PC Connection: USB 2.0.
- Data transfer: Micro SD memory card, direct to PC.
- Power: AA Batteries(non rechargeable) or USB cable.
- Software: Software included and freely available via download.
GL100 Technical Specifications Download
GL100 Quick Start Guide Download
GL100 Users Manual (8 MB) Download
GL100 Application Software Download
The GL100 has no analogue inputs and requires one of the following sensor inputs.
GL100 Multifunction Inputs

GL100 available sensors
| No. | Input module | Measurement | Calculated value |
|---|---|---|---|
| 1 | GS-TH | Temperature, -20ºC to +85ºC. Humidity 0 to 100% RH. | Accumulated temperature, Dew-point temperature. |
| 2 | GS-3AT | Acceleration in 3-axis, max. 10 G. Temperature, -10ºC to +50ºC. | N/A |
| 3 | GS-LXUV | Illuminance, max. 200k lux. UV intensity, max. 30 mW/cm2. | Accumulated Illuminance, Accumulated UV intensity. |
| 4 | GS-CO2 | CO2 concentration, max. 9999 ppm. |
N/A |

| No. | Input module | Measurement Parameter |
|---|---|---|
| 5 | GS-4VT | Voltage, 50v DC or Temperature, Type K/T thermocouple, 4 channels + Logic/Pulse, 4 channels. |
| 6 | GS-4TSR | Thermistor, max. 120ºC, 4 channels + Logic/Pulse, 4 channels. |
| 7 | GS-103AT | Temperature sensor, thermistor type, -40ºC to +105ºC, use with GS-4TSR module. |
| 8 | GS-103JT | Temperature sensor, ultra thin thermistor type, -40ºC to +120ºC, use with GS-4TSR module. |
| 9 | GS-DPA-AC | AC current + calculated instantaneous Power. Note, two inputs only. |
| 10 | GS-AC50A | Clamp-on current sensor, max. 50 amps AC, use with GS-DPA-AC module. |
| 11 | GS-AC100A | Clamp-on current sensor, max. 100 amps AC, use with GS-DPA-AC module. |
| 12 | GS-AC200A | Clamp-on current sensor, max. 200 amps AC, use with GS-DPA-AC module. |

Free Bundled PC software
The GL100 compact data logger is bundled with PC application software that enables measurements directly with a PC. In addition to waveform monitoring, this software provides other useful functions such as direct writing of data to an Excel file and report creation. The software also provides a Help display function for enhanced usability.

Software Features
- Simple connection to PC via USB or LAN.
- Easy set up configuration.
- Data import from the GL100 to PC.
- Email notification of errors and alarms.
- Available measurement modes: Y-T, Digital and Statistical/Log.
- Real-time data to MS Excel reporting functions.
- Export to CSV data file format.
GL100-N Main Features
- Plug-in sensors for different applications.
- LCD, graphical monochrome with back light.
- Easy-to-use keypad menu system.
- Fast 500mS recording.
- Automatic file backup to micro SD memory card.
- USB 2.0 interface for PC connection.
- Ultra small. Approx. 66 x 100 x 27 mm.
The GL100-N is supplied with the following items as standard:
- GL100-N Quick Start Guide.
- GL100-APS Software on CD.
- AA Alkaline batteries.
- USB Cable for PC connection.
* External shunt resistor required. Just mention you need some and we'll include some with the sale.
Other Details
2 years warranty.Product Videos
Custom Field
Product Reviews
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Cpmpact, portable and easy to use!
GL100-N + GS-4VT combo. Both are well built by Graphtec. They work great in the workshop for thermocouples and process 4-20mA devices.