VQ546MR. : -. : DR. Alarm Output Threshold: -. Alarm Output: Voltage. Connection Type: Pins for socket. Detection Range: x…100% *1. Gas type: Mixture of gas and air. Operating temperature: -40...+55°C. Sensor Technology: Thermal Conductivity. Series: VQ500. Type: Sensor. Voltage supply: 4.25V. Original product from manufacturer: Sgx Sensortech. Quantity in stock updated on 13/11/2025, 16:23