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GenII - Model 20 Series - GS21 / 4 and GD21 / 4 -Transmitters with Inputs for Thermocouple Temperature Sensors
Socket(s) for K/T thermocouples (-200 to +200°C). Ideal for low temperatures and liquid nitrogen storage vessels. `D` Indicates LCD display. Last digit indicates number of inputs.
GDM24
The GenII M series retains the standard GenII transmitter specification and adds 12,000 readings of built-in backup memory. The memory is used in continuous overwrite mode. This means many weeks of data can be held in the transmitter, depending on the number of channels in use.
GD24AL
GD24 with visual and delayed audible alarm (High and Low alarm level can be set in the Darca software). With display.
GD24H
Sockets for 4 x K (-200 to +1200°C) / N (-200 to +1300°C) thermocouples. With display.
GD24R
Sockets for 4 x R thermocouples (-200 to +2000°C). With display.
GD24HV
Sockets for 4 x K/T thermocouples (-200 to +200°C) with relay galvanic isolation.
- RF specification: EN300-220
- RF power: 10mW
- Environment specification
- Compliant to EN300-220: -10 to +55°C
- Actual: -30 to +65°C
- Humidity: 100% non condensing
- Environmental rating: IP40
- Dimensions (footprint): 78 x 41mm
- Transmission interval range: 1 sec to 4 hours
- Indicator (red LED): transmit active/on/off
- Control switch (concealed): test mode / hibernate
- Antenna socket: SMA