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Home > Product library > Telemetry > Transmitters > Thermocouple temperature

Transmitters with inputs for thermocouple temperature sensors

Sensors and connectors are not included and must be ordered separately. Other thermocouple types are available - refer to Eltek.

GS21 Socket for 1 x K/T thermocouple (-200 to +200°C). GS-20GD-21
GD21 Socket for 1 x K/T thermocouple (-200 to +200°C). With display.
GD21AL GD21 with visual and delayed alarm (High and Low alarm level can be set in Darca).
GS24 Sockets for 4 x K/T thermocouples (-200 to +200°C) or state inputs.
GD24 Sockets for 4 x K/T thermocouples (-200 to +200°C) or state inputs. With display.
GD24AL GD24 with visual and delayed audible alarm (High and Low alarm level can be set in Darca). 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.

 

Common Specification

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
Battery endurance: up to 5 years (interval set to 5 minutes) (less for GL-70 and GS40 series)
Transmission interval range: 1 sec to 4 hours
Indicator (red LED): transmit active/on/off
Control switch (concealed): test mode / hibernate
Antenna socket: SMA

Transmitter Specification

Model(s) Sensors Range Resolution Accuracy
GS21/GD21 1 x external T or K type thermocouple temperature -200 to 200°C 0.1°C / 0.2°C ±0.3°C
GS24/GD24 4 x external T or K type thermocouple temperature / state inputs
GD21AL/GD24AL As GD21/GD24 with audible and visual alarm.
GD24HV 4 x external T or K type thermocouple temperature      
GD24H 4 x external K/N type thermocouple temperature -200 to 1200°C 0.5°C ±2.0°C
GD24R 4 x external R type thermocouple temperature -200 to 2000°C    






Common to all transmitters
Gen II Quick Start Instructions

Specific to this family of transmitters
Datasheets
ELCC (a sensor for detecting the failure of AC mains supply)