div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=1 data-page=1 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=2 data-page=2 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=3 data-page=3 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=4 data-page=4 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=5 data-page=5 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=6 data-page=6 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=7 data-page=7 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails7jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=8 data-page=8 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=9 data-page=9 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=10 data-page=10 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=11 data-page=11 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=12 data-page=12 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=13 data-page=13 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails13jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=14 data-page=14 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails14jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=15 data-page=15 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails15jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=16 data-page=16 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails16jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=17 data-page=17 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails17jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=18 data-page=18 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails18jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=19 data-page=19 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails19jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=20 data-page=20 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails20jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=21 data-page=21 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails21jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=22Page 22button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=22 data-page=22 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails22jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=23Page 23button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=23 data-page=23 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails23jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=24Page 24button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=24 data-page=24 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails24jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=25Page 25button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=25 data-page=25 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails25jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=26Page 26button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=26 data-page=26 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails26jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=27Page 27button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=27 data-page=27 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails27jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=28Page 28button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=28 data-page=28 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails28jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=29Page 29button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=29 data-page=29 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails29jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=30Page 30button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=30 data-page=30 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails30jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=31Page 31button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=31 data-page=31 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails31jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=32Page 32button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=32 data-page=32 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails32jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=33Page 33button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=33 data-page=33 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails33jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=34Page 34button div class=ts-imageimg data-url=a-pirani-gauge-with-two-gauge-heads-itates-vacuum-ultimate-vacuum-when-measuredhtmlpage=34 data-page=34 class=ts-thumb lazyload 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 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer20220402085e24cb7a1b313832201e2d04html5thumbnails34jpg width=140 height=200 divdiv
