Ion Science PID Calibration Gas & Regulators Part:44L Isobutylene 1,000 ppm / Air (FX44-21-1000) SET 4 (2FD354): meter case

SET 4 (2FD354): meter case set including the FDO® 925 optical dissolved-oxygen sensor

translucent for easy flow monitoring

Dissolves general deposits from the glass bulb and reference junction to restore response time

This color change is then compared against a predefined concentration scale

Ion Science PID Calibration Gas & Regulators Part:44L Isobutylene 1,000 ppm / Air (FX44-21-1000) SET 4 (2FD354): meter caseIsobutylene and benzene calibration gas cylinders plus flow regulators for calibrating Ion Science PIDs Tiger XT, Tiger, Cub, Falco 2, TVOC 2 and Titan. Select your cylinder size and concentration from the dropdown. Isobutylene is the standard PID calibration span gas; benzene mixes are used when calibrating benzene specific instruments. Choose the 0. 5 LPM fixed flow regulator for diffusion instruments or the demand flow regulator for pumped