| Sample Conditioning Unit, for wall mounting, 
                comprising pressure regulator, flow indicator, and sensor holder 
                mounted on a stove enamelled backplate. Conditions flow of sample gas to the 
                required 2-10 litres per minute at near atmospheric pressure for 
                accurate and consistent sampling. Pneumatic connections with a choice of 
                1/8", 1/4" or 6mm compression fittings if required for 
                inlet and outlet. 4 x 5mm mounting holes at 240 x 140mm (H x W 
                rectangle). |