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Ion Gauge Tube, Kovar Glass
0.75" Tubulation Arm
Iridium (Single) Filament

Replacement Ion (Hot Filament) Gauge Tube
Glass Bayard-Alpert Type Ionization Vacuum Gauge
Hot Cathode Ion Gauge Tube
Standard Range
3/4" Tubulation Arm

• Uncoated
• Iridium Filament (Single)
• Kovar Glass with metal tube

Former LDS PN: 1050-1008-0
Varian Agilent Equivalent: K2471305 (571 Series)
Granville MKS Equivalent: 274003

571 ionization gauge tube with thoria-coated iridium filament, 0.75 inch Kovar tube

Equivalents: 0571-K2471-305, 0571-K2471305, G075K, I-075-K, IG-1, P104329

Single Iridium Filament Tubulation Arm: 0.75"


Click to enlargeView All Ion Gauge Tubes

Single Ion Calibration

Quick Disconnects For Connection To Your Gauge Stand Without Permanently Changing The Port Size

NW16 To 3/4" Quick Disconnect
NW25 To 3/4" Quick Disconnect
NW40 To 3/4" Quick Disconnect
NW50 To 3/4" Quick Disconnect
2.75" OD Conflat Flange To 3/4" Quick Disconnect
No Flange To 3/4" Quick Disconnect

Quick Disconnects Use Viton O-Rings For Sealing and are NOT Recommended for
Operating at a pressure below 10-8

• Operating Pressure: 2x10-10 torr to 1x10-3 torr
• X-ray Limit: 2x10-10 torr
• Sensitivity: 10 torr-1

Kovar metal tubulation with a graded seal stronger tubulation.

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or

LDS Vacuum Products is a 100% woman owned company and
certified Woman Owned Small Business (WOSB)
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.