Varian 940720 ion pump

Product Description

Varian (now Agilent) 940720 Sputter Ion Pump

This is a sputter ion pump designed for maintaining high (HV) to ultra-high vacuum (UHV) in analytical, research, and industrial systems. It has no moving parts, provides clean, vibration-free operation, and is ideal for applications where oil-free vacuum and silence are critical.

Key Specifications (Interpreted from Model):

• Model: 940720

• Type: Sputter (ion) pump, likely diode or noble diode configuration

• Pump Speed: Likely in the 20–40 liters per second range for air (specific speed depends on voltage and pressure)

• Operating Pressure: Typically 10⁻⁴ to 10⁻¹¹ Torr (UHV capable)

• High Voltage Requirement: Requires a compatible high-voltage DC power supply (e.g., 3–7 kV)

• Connection: Standard CF (ConFlat) or ISO flange (specify size if known, e.g., 2.75″ CF)

Applications:

• Maintaining UHV in surface science, particle physics, or space simulation chambers

• Backup or holding pump in analytical instruments (e.g., electron microscopes, mass spectrometers)

• Replacement pump for legacy Varian/Agilent vacuum systems