Blowdown control, condensate monitoring, leak detection on heat exchangers, and steam purity measurements are just a few of the many applications in which this rugged and reliable sensor can be used. A double seal design extends the sensor life more than twice that of single or epoxy sealed units. These sensors can withstand temperatures up to 205°C and pressures up to 500 psig. Wetted materials of construction are 316 stainless steel, PEEK, and EPDM O-Rings.

All possible leak paths through the sensor are double sealed with O-rings for maximum on-stream reliability. Hot water is a severe environment for any elastomer, and the front seals bear the brunt of the chemical attack, allowing the back seals to remain relatively unaffected. The result is that sensor life is more than double what can be expected of single sealed, or epoxy sealed units. Cell constant values from 0.05 to 2.0 are available, which will cover the ranges of interest in most boiler applications. An integral temperature element interfaces directly with the TT-MA series analyser and allows automatic compensation for maximum accuracy.