| Description | Carbon dioxide sensor, CO2 concentration (max. 9999 ppm) | Wireless Data logger with Thermistor input terminal (Thermistor (max. 120 C) of 4 ch), WLAN model, 4.9MB on-board memory, micro-SD memory slot, 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 | 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. | Battery pack for GL240, GL820, GL840 | Wireless Data logger with Temp./Humidity sensor, 4.9MB memory, micro-SD memory slot, micro-B USB PC interface, LCD display |
| Additional information |
| Weight |
0.5 lbs |
| Dimensions |
6 × 8 × 4 in |
|
| 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 |
1 lbs |
| Dimensions |
6 × 8 × 4 in |
|
| Weight |
2 lbs |
| Dimensions |
6 × 8 × 4 in |
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