Dear Sales, Please inform us detail price, Technical catalog specs of your product and delivery time as below detail: Flue Gas Oxigen Analyzer Range 0-25 Vol % Temperature Process 900 Degree Celsius Probe length 120 cm Process Connection 1.5 Inch ANSI 150 Power Supply 220 VAC 50Hz Output 4-20 mA With Display With Calibration Option Normal operation at 1-2 Vol % of O2 Show More