| Description | GL840 Extension terminal base | GL100 main unit, Standard model, Required to use with sensor unit(s) or input adapter(s) | GL840 input terminal (Multi-input type) | Data logger with GS-CO2 Carbon dioxide sensor, 4.9MB on-board memory, micro-SD memory slot, micro-B USB PC interface, LCD display | Wireless Data logger with Temp./Humidity sensor, 4.9MB memory, micro-SD memory slot, micro-B USB PC interface, LCD display | Data logger with GS-LXUV Illuminance/UV sensor, 4.9MB on-board memory, micro-SD memory slot, micro-B USB PC interface, LCD display |
| Additional information |
| Weight |
1 lbs |
| Dimensions |
6 × 8 × 4 in |
|
| Weight |
1 lbs |
| Dimensions |
6 × 8 × 4 in |
|
| Weight |
1 lbs |
| Dimensions |
6 × 8 × 4 in |
|
| Weight |
1 lbs |
| Dimensions |
6 × 8 × 4 in |
|
| Weight |
2 lbs |
| Dimensions |
6 × 8 × 4 in |
|
| Weight |
2 lbs |
| Dimensions |
6 × 8 × 4 in |
|