Endura AZ25 series probeCombustion oxygen monitor Appendix B – Accessories and sparesOI/AZ25P–EN Rev. E 33Appendix B – Accessories and sparesPart No. DescriptionAZ200 731AZ200 732Oil-coalescingfilter-regulator:1/ 4 NPT 5 μm1/4 BSP 5 μmAZ200 740AZ200 741AZ200 742AZ200 743Filter elements for pre-June 2013 regulator:5 μm filter elementOil coalescing filter elementFilter elements for post-June 2013 regulator:5 μm filter cartridgeOil coalescing filter cartridgeAZ200 770AZ200 771AZ200 772AZ200 773ABB reference air pump:1 /4 BSP (Metric) 230 V AC 50 / 60 Hz1 /4 BSP (Metric) 115 V AC 50 / 60 Hz1 /4 NPT (Imperial) 230 V AC 50 / 60 Hz1 /4 NPT (Imperial) 115 V AC 50 / 60 HzApplicationdependant– see Table B.1ABB FlowmeterFlowmeter Type PartNumber1/ 4 NPT Flowmeter (Reference Air): 0.1 to 0.85 l / min(0.21 to 1.8 scfh) STP1/ 4 BSP Flowmeter (Reference Air): 0.1 to 0.85 l / min(0.21 to 1.8 scfh) STP1/ 4 NPT Flowmeter (Test Gas): 0.6 to 4.4 l / min(1.27 to 9.32 scfh) STP1/ 4 BSP Flowmeter (Test Gas): 0.6 to 4.4 l / min(1.27 to 9.32 scfh) STPAZ200 786AZ200 787AZ200 788AZ200 789Table B.1 ABB NPT/BSP FlowmetersPre-June 2013regulatorPost-June 2013regulator