Agilent571 ionization gauge tube, with yttria-coated iridium filament,1 in Kovar tubeSKU · X3004-64302
Agilent571 ionization gauge tube, with yttria-coated iridium filament, 2.75 in DN 40 ConFlat flangeSKU · X3004-64303
Agilent571 reference ionization gauge tube, with yttria-coated iridium filament, sealed at 10-6 TorrSKU · X3004-64307