DATA SHEET Zirconia O Sensors 2 Probe SeriesShort Housing FEATURES Zirconium dioxide (ZrO ) sensing elements 2 Long life, non-depleting technology Integral heating element High accuracy 1 Requires an external interface board to operate Response Time Heater Voltage Gas Temp Termination BENEFITS OUTPUT VALUES Oxygen pressure range 2mbar3bar max No reference gas required Accuracy 5mbar max No need for temperature stabilisation Internal operational temperature 700C Compact enclosure Response time (1090% step) Standard response sensor < 15s Fast response sensor < 4s TECHNICAL SPECIFICATIONS Warm up time (prior to sensor operation) 60s 2 Heater voltage Warm up time (from standby) 20s Operating (standard response) 4V 0.1V (1.7A) DC DC Output stabilisation time ~ 180s Standby 1.65V (0.7A) DC Operating (fast response) 4.35V 0.1V (1.85A) DC DC Standby 2V (0.85A) DC Other sensor options available on request, email: 3 Pump impedance at 700C < 6k technical sstsensing.com Permissible gas temperature -100C to +250C Gas flow rate 010 m/s Need help Ask the expert Repetitive permissible acceleration 5g Tel: + 44 (0)1236 459 020 Incidental permissible acceleration 30g and ask for Technical 1) Interface board sold separately contact technical sstsensing.com for details. 2) It is important to measure the heater voltage as close to the sensor as possible due to voltage drops in the supply cable. NOTES 3) The constant current source used in the pump circuit should be designed to drive a load of up to 6k . OUTLINE DRAWING All dimensions shown in mm. ELECTRICAL INTERFACE ORDER INFORMATION Molex Connector Generate your specific part number using the convention shown below. Use only those letters and numbers that correspond to the sensor options you require omit those you do not. Pin Designation - T 2 - O 2 S - X X X X X 1 Pump (Red) 2 Common (Black) 3 Heater (1) (Yellow) 4 Sense (Blue) Response Time Termination 5 Heater (2) (Yellow) Blank Blank Standard response 0.15m cable < 15s FR 002 Fast response 0.3m cable < 4s 003 1.1m cable CAUTION INFORMATION Do not exceed maximum ratings and ensure sensor(s) are operated in As customer applications are outside of SST Sensing Ltd.s control, the accordance with their requirements. information provided is given without legal responsibility. Customers should Carefully follow all wiring instructions. Incorrect wiring can cause test under their own conditions to ensure that the equipment is suitable for permanent damage to the device. their intended application. Zirconium dioxide sensors are damaged by the presence of silicone. For detailed information on the sensor operation refer to application note Vapours (organic silicone compounds) from RTV rubbers and sealants AN0043 Operating Principle and Construction of Zirconium Dioxide Oxygen are known to poison oxygen sensors and MUST be avoided. Sensors. Do NOT use chemical cleaning agents. For technical assistance or advice, please email: Failure to comply with these instructions may result in product technical sstsensing.com damage. General Note: SST Sensing Ltd. reserves the right to make changes to product specifications without notice or liability. All information is subject to SST Sensing Ltd. s own data and considered accurate at time of going to print. DS-0052 REV 6 2016 SST SENSING LTD. 5 HAGMILL CRESCENT, SHAW HEAD INDUSTRIAL ESTATE, COATBRIDGE, UK ML5 4NS www.sstsensing.com e: sales sstsensing.com t: +44 (0)1236 459020 f: +44 (0)1236 459026