| Description | GL840 Extension cable (2 m) | Wireless Data logger with Acceleration/Temp. sensor, 4.9MB on-board memory, micro-SD memory slot, micro-B USB PC interface, LCD display | Battery pack for GL240, GL820, GL840 | Wireless Data logger with Illuminance/UV sensor, 4.9MB on-board 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 | Data logger with GS-4VT Voltage/Temp. input module, 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 |
2 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 |
|
| Weight |
2 lbs |
| Dimensions |
6 × 8 × 4 in |
|