High Voltage Supplies

 

Multi Channel High Voltage Supply

 

- 19 inch crate -

19 Inch Crate Multi Channel HV Supply (Customized Layout)


- NIM units (2/12 each) -


- stand-alone device -

Tabletop Dual HV Supply

Unique Features

  • Resolutions below 1ppm
  • Precision down to below 10-6
  • HV modules with floating layout
  • Flexible scan modes
  • High precision timing of scans, trigger precision < 1µs
  • Fast Linear Scans up to 2000 V/s
  • excellent long term stability
  • USB and Ethernet interface

High Precision Series (HPS) and Ultra High Precision Series (UHPS)

HPS (floating) HPS (unipolar) UHPS (unipolar)
max. voltage interval 5 models up to 11500V (see below) 10 models up to 12000V (see below) 8 models up to 2000V (see below)
max. current up to 10mA up to 10mA up to 3mA
best resolution <1mV <1mV <1mV
regulation precision typ. |U|max * 5*10-5 typ. |U|max * 10-5 < |U|max * 10-5
long term stability better than 20mV (ground reference) better than 20mV better than 5mV
Interface USB, ethernet USB, ethernet USB, ethernet
scanmodes1 stepped stepped stepped / fast linear
scan trigger TTL TTL TTL
settling time for small steps typ. 20ms typ. 20ms typ. 20ms
linear slope rate typ. > 500 V/s typ. > 500 V/s up to 2000 V/s

1Scanmodes: In stepped scan mode, the module increases/decreases the output voltage by the user specified parameters (number of steps, holding time, voltage step). The minimum step holding time for all models is 50ms. A scan can be operated free running or synchronized to an initial TTL-Signal. Alternatively, each voltage step can be triggered by a TTL-signal. The fast linear scan of the UHPS series devices comprises a linear voltage slope by the user specified parameters (start voltage, end voltage, time duration). The fast linear scan can be operated free running or synchronized by an initial TTL-signal. The accuracy of any scan synchronization is better than 1µs.



High Precision Series for the Operation of Particle Optics

  • unipolar/floating2
  • temp. drifts < 25 ppm/K
  • temp. drifts < 10 ppm/K on request
  • full range regulated

voltage range [V]* current [mA]1 setting resolution (softw.) regulation precision ripple (BW 20 MHz) isolation voltage2
50 to 600 1 .. 10 < |U|max*10-6 < |U|max*10-4 < 2mV (rms) ±3000V
100 to 1500 1 .. 5 < |U|max*10-6 < |U|max*10-4 < 2mV (rms) ±3000V
150 to 3000 0.5 .. 3 < |U|max*10-6 < |U|max*10-4 < 2mV (rms) ±3000V
200 to 5000 0.5 .. 2 < |U|max*10-6 < |U|max*10-4 < 2mV (rms) ±1000V
500 to 12000 0.1 .. 0.5 < |U|max*10-6 < |U|max*10-4 < 10mV (rms) ±300V

1User current limits can be ordered reduced in order to make the HV power supply more stable and faster: the internal load can then be increased gaining speed and resulting in less load change sensibility

2The floating layout is equipped with two HV outputs which represent both polarities. One of the outputs has to be wired by the user either to an external power supply to float on or to ground. Thus either is possible, floating operation and switching polarity. Higher floating voltages available on request. Isolation voltage becomes max. float on voltage in floating setups.

*0V exists (line jumps off)



Ultra High Precision Series for the Operation of Particle Optics

  • unipolar
  • temp. drifts < 10 ppm/K
  • temp. drifts < 5 ppm/K on request

voltage range [V]* current [mA]1 setting resolution (softw.) regulation precision ripple (BW 20 MHz)
0 to 200 0 to 3 < |U|max * 10-6 < |U|max*10-5 < 1mV (rms)
0 to 600 0 to 1.5 < |U|max * 10-6 < |U|max*10-5 < 1mV (rms)
0 to 1000 0 to 1 < |U|max * 10-6 < |U|max*2*10-5 < 1mV (rms)
0 to 2000 0 to 0.5 < |U|max * 10-6 < |U|max*2*10-5 < 1mV (rms)

*lowest 5V of range non-regulated



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