Calibration Cap FD-4A

  Brand: FORENSICS DETECTORSModel: FD-4A-CAPCompatible Detectors: FD-4A (all versions including combustion analyzer) ⚛️  Description: Basic plastic calibration cap compatible with our FD-4A gas detectors. The cap fits over the sensor hole of detectors for calibration or pumping air directly to the sensor port for in-line sampling. Please note: these caps come standard with all detectors, so no need to purchase them separately. 📶  How Does It Work? The cap fits onto the sensor port of any FD-4A detector.  Comes with a screw to attach to the device. 👫  Instructions: Place the cap on the sensor port of your FD-4A detector. Connect your supply gas line to the cap inlet barb. Apply gas flow from 0.3 to 0.6 LPM.