Chemtrol Free Chlorine PPM Sensor - 0-002 ppm - No Wire Spineboard Colors This is an SR Smith

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01 ppm resolution

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Chemtrol Free Chlorine PPM Sensor - 0-002 ppm - No Wire Spineboard Colors This is an SR SmithThis is a Chemtrol Free Chlorine PPM Sensor, no wire, with 0 002 ppm readings. To calibrate the Free Chlorine sensor use a DPD #1 test kit for free chlorine. The new Chemtrol PPM solid state sensors feature superior precision and control of chlorine levels, with industry leading reliability and low maintenance requirements. These probes are so precise and reliable that they are covered by a 2 year warranty. The PPM sensors can be used alone or in