div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb alt=Page 3: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb alt=Page 6: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 10button div class=ts-image amp-img class=ts-thumb alt=Page 10: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails10jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 11button div class=ts-image amp-img class=ts-thumb alt=Page 11: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails11jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 12button div class=ts-image amp-img class=ts-thumb alt=Page 12: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails12jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 13button div class=ts-image amp-img class=ts-thumb alt=Page 13: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails13jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 14button div class=ts-image amp-img class=ts-thumb alt=Page 14: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails14jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 15button div class=ts-image amp-img class=ts-thumb alt=Page 15: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails15jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 16button div class=ts-image amp-img class=ts-thumb alt=Page 16: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails16jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 17button div class=ts-image amp-img class=ts-thumb alt=Page 17: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails17jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 18button div class=ts-image amp-img class=ts-thumb alt=Page 18: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails18jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 19button div class=ts-image amp-img class=ts-thumb alt=Page 19: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails19jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 20button div class=ts-image amp-img class=ts-thumb alt=Page 20: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails20jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 21button div class=ts-image amp-img class=ts-thumb alt=Page 21: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails21jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 22button div class=ts-image amp-img class=ts-thumb alt=Page 22: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails22jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 23button div class=ts-image amp-img class=ts-thumb alt=Page 23: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails23jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 24button div class=ts-image amp-img class=ts-thumb alt=Page 24: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails24jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 25button div class=ts-image amp-img class=ts-thumb alt=Page 25: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails25jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 26button div class=ts-image amp-img class=ts-thumb alt=Page 26: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails26jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 27button div class=ts-image amp-img class=ts-thumb alt=Page 27: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails27jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 28button div class=ts-image amp-img class=ts-thumb alt=Page 28: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails28jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 29button div class=ts-image amp-img class=ts-thumb alt=Page 29: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails29jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 30button div class=ts-image amp-img class=ts-thumb alt=Page 30: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails30jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 31button div class=ts-image amp-img class=ts-thumb alt=Page 31: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails31jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 32button div class=ts-image amp-img class=ts-thumb alt=Page 32: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails32jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 33button div class=ts-image amp-img class=ts-thumb alt=Page 33: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails33jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 34button div class=ts-image amp-img class=ts-thumb alt=Page 34: · A Pirani Gauge with two gauge Heads itates Vacuum Ultimate vacuum when measured on Mcleod Gauge with gas ballast closed I x 10-3 mbar and with gas ballast 1 x lfr2mbar src=https:reader030vdocumentsmxreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails34jpg width=142 height=106 layout=responsive amp-img divdiv