| Description | Voltage/Temp. input module, Voltage (max. 50 V) or Temp. (TC: K/T type) and 4 ch. of logic or pulse | 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 | GL840 input terminal (Multi-input type) | 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 | Battery pack for GL240, GL820, GL840 | 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. |
| Additional information |
| Weight |
0.5 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 |
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