Eltek GD47/GW47Stuart2025-05-21T14:35:33+01:00 Eltek GD47/GW47. Sensors: 1 x built-in RH and temperature, 1 x built-in CO2, 1 x built-in 12VDC supply monitor Range: as GD10, 0-5000ppm Resolution: 3% Accuracy: ±50ppm Find Out More