Instatrans XD features: Single user-settable range, 0–10 ppm to 0–25% Oxygen Front-facing head containing digital display and keys for convenient wall mounting Accepts most Teledyne industrial sensors (InstaTrace and A-5 type cells require special configurations) Weather-tight housing designed to meet NEMA-4 / IP-66 ingress protection requirements 316SS cell housing with 316SS 1/8" tube fittings and Viton® O-ring​ as standard Optional fittings: 1/4" tube, 6mm tube, no fitting (1/8" FNPT threads) Optional O-rings of Kalrez®, EPDM, EPR, Neoprene, Chemraz® and Buna-n Microprocessor-based single PCB design 4.5 digit LCD 4–20mA loop output Cold boot and 4–20 fine adjust features included as standard Intrinsically safe to ATEX Ex ia IIC T4 Ga when wired with approved barrier as per D86181 Interconnection Diagram Cable included, 2-conductor 22 AWG shielded, 24 inch (610 mm) length Fuel cell included​ – from ppm to % Oxygen (depends on chosen sensor)