Testo SO2 Retrofit Sensor quasar ✅ Fixed length helps set

✅ Fixed length helps set a no-go zone near roof edges and fragile areas

a SoftCase protective cover

Do these work with 70 mm oil-filled CO₂ manifold gauges

Imperial 581CKPSC 2-Valve / 4-Port Manifold - R22

This product includes a set of four identical pads for a complete replacement

Testo SO2 Retrofit Sensor quasar ✅ Fixed length helps setThis SO2 retrofit sensor is designed to plug straight into your compatible Testo flue gas analyser, adding sulphur dioxide measurement to your toolkit. It's a quick way for maintenance teams and industrial techs to expand their analyser's capabilities without sending the unit back to the workshop. When you're dealing with industrial burners or process control, monitoring SO2 is crucial for compliance and efficiency, especially with the varied fuel