4UHV Ion Pump Controller

The Agilent 4UHV Ion Pump Controller enables you to power, control, and monitor up to four ion pumps simultaneously and independently. The 4UHV starts and controls ion pumps of any type (diode, noble diode, StarCell, triode) and size (from 2 to 2,500 L/s). A large four-line LCD display allows simultaneous reading of individual pump voltage, current, and pressure.

Select the 4UHV if you are running 1–4 Agilent, Varian, or other ion pumps. It features preprogrammed pump configurations for Agilent pumps along with programmable outputs for operation of any other ion pump. STEP voltage and IProtect ensure optimum pumping speed and pressure reading from starting pressure to XHV.

Product details Related Product


  • Selection of positive (diode, noble diode) or negative (StarCell, triode) polarity outputs to meet your needs
  • Variable voltage feature ensures highest pumping speed and lowest leakage current, resulting in the most accurate pressure measurement down to the 1 x 10–10 mbar range
  • Programable outputs for operation of any other ion pump
  • Fast response model is available for whenever the output signal is crucial to trigger a fast response in the acquisition process and/or to trigger an action (e.g., close a valve when a sudden pressure increase is detected)
  • Built-in set points, remote operation and RS232/485 computer interface are standard (Profibus and Ethernet optional)
  • STEP mode adjusts high voltage for optimal pumping speed at any pressure
  • IProtect disables high voltage output in the event of a leak or increase in gas load to preserve ion pump lifetime
  • Interlock system immediately shuts down the high voltage when the plug is removed from the pump
  • Designed to meet current EMC standards for electrically sensitive applications and fully compliant with CE, 3rd edition regulations
  • Shipped without a power cord, to be ordered separately


Communications Interface
  • RS232
  • RS485
  • Ethernet
  • Profibus
Current Measurement Range
  • 10 nA to 100 mA
Current Resolution
  • 10 nA
Dimensions (WxHxL)
  • 211.4 mm x 177 mm x 400.5 mm
  • 4 rows with 20 characters
HV Connector
  • SHV
  • Fischer
  • 177 mm
Input Frequency
  • 50 / 60 Hz
Input Voltage
  • 100-240 Vac (+/- 10%)
  • 400.5 mm
Maximum Input Power
  • 600 VA
Maximum Output Power
  • 400 W
Modes of Operation
  • Local
  • Serial
  • Remote
Operating Environment Relative Humidity
  • 90 % maximum non condensing humidity
Operating Environment Temperature
  • 0° C to 40° C
Output Voltage
  • 7 kV
Standards and Certifications
  • CE
  • C_CSA_US
  • 6.5 kg
  • 211.4 mm



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