| Description | Wireless Data logger with Acceleration/Temp. sensor, 4.9MB on-board memory, micro-SD memory slot, micro-B USB PC interface, LCD display | Wireless Data logger with Voltage/Temp. input module, 4.9MB on-board memory, micro-SD memory slot, micro-B USB PC interface, LCD display | Battery pack for GL240, GL820, GL840 | 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 | Cable: 4 x Logic inputs and 4 x alarm outputs, 2 meters. For use with the Graphtec GL series data loggers for input of pulse or logic signals and for alarm outputs. | GL840 input terminal (Multi-input type) |
| Additional information |
| Weight |
2 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 |
1 lbs |
| Dimensions |
6 × 8 × 4 in |
|
| Weight |
1 lbs |
| Dimensions |
6 × 8 × 4 in |
|
