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8 Channel 500 V/ 1 mA Desktop Power Supply Module (USB/Ethernet/Touchscreen)


  • 8 independent channels in a Desktop case (110/220V AC Powered)
  • 500 V / 1 mA output range
  • Channels with either positive or negative polarity
  • SHV coaxial output connectors
  • Low Ripple
  • Under/over-voltage alert, overcurrent and max. voltage protection
  • Interlock logic for board enable and Individual channel kill
  • 5 nA Current monitor resolution (with x10 Imon-Zoom: 500 pA)
  • Zero Current compensation
  • 2.8″ color touch screen display
  • Local and Remote control (USB2.0/Ethernet)
  • Software Tools for easy channel management


The CAEN Mod. DT8032B provides 8 independent 500 V/ 1 mA channels in a Desktop package (110/220V AC Powered). Each channel can provide a 500V max voltage and a 1 mA max current. The unit is available with positive, negative and “mixed” (4 positive and 4 negative) channels. Channels outputs are delivered through SHV connectors. The HV output RAMP-UP and RAMP-DOWN rates may be selected independently for each channel in the range 1÷100 V/s in 1 V/s steps. The module features 5 nA Iset resolution.

blank SHV connector

HV coaxial connector, 8 channels for Mod. DT8032B

Consult our connectors reference page for technical information.

Module control can take place either locally thanks to a 2.8″ Touchscreen Graphic color LCD display with a completely redesigned user interface or remotely, via USB 2.0 or Ethernet.

A complete set of Software Tools is available to control these units; the user can freely download low level libraries, LabVIEW driver and Graphical application software.

Safety features allows the module to perform as a current generator and includes:

Overvoltage and Undervoltage warning When the output voltage differs from the programmed value by more than 2% of set value (minimum 10V).
Overcurrent detection When a channel attempts to exceed the programmed current limit, it signalled to be in “overcurrent” and enter in a TRIP status. The output voltage is varied to keep the current below the programmed limit for a programmable TRIP time, then the channel is switched off. If TRIP is set to “constant current mode”, the channel behaves like a current generator.
Hardware VMAX and IMAX
Maximum output voltage and maximum current value can be fixed, via front panel potentiometer, at the same common value for all the board channels. IMAX and VMAX values can be read out via software.
Safety Board Interlock Common Interlock logic for channels enable/disable and individual inputs signal for channel Kill function.

Technical Specifications


Desktop module housed in a 239x84x184 mm3 (WxHxD) Aluminium case
(110/220V AC Powered)

Output channels

8 channels, SHV connector
Positive, Negative or Mixed (4-8 positive and 4-8 negative) Polarity; common ground

Output Voltage

0÷500 V

Max. Output Current

1 mA

Max. Ch. Output Power

0.5 W

Vset Resolution

2 mV

Vmon Resolution

2 mV

Iset Resolution

5 nA

Imon Resolution

5 nA (high range) / 500 pA (low range)


0 ÷ 500 V

Vmax resolution

1 V

IMAX hardware

1 mA

IMAX hardware resolution


Ramp Up/Down

1÷100 Volt/s, 1 Volt/s step


Max. time an “overcurrent” can last (seconds). A channel in “overcurrent” works as a current generator; output voltage varies in order to keep the output current lower than the programmed value. “Overcurrent” lasting more than set value (1 to 9999) causes the channel to “trip”. Output voltage will drop to zero either at the Ramp-down rate or at the fastest available rate, depending on Power Down setting; in both cases the channel is put in the off state. If trip= INFINITE, “overcurrent” lasts indefinitely. TRIP range: 0 ÷ 999.9s; 1000 s = Infinite.
Step = 0.1 s

Voltage Ripple

10 – 1000Hz: <4mVpp typ; <6mVpp max
1kHz – 20MHz: <2mVpp typ; <4mVpp max

Vmon vs. Vout Accuracy

± 0.02% ± 100mV

Vset vs. Vout Accuracy

± 0.02% ± 100mV

Imon vs. Iout Accuracy

± 0.5% ± 5µA (high range)
± 0.5% ± 500 nA (low range)

Iset vs. Iout Accuracy

± 0.5% ± 5µA (high range)
± 0.5% ± 500 nA (low range)

Humidity range

0 ÷ 80% non condensing

Operating temperature

0 ÷ 45°C

Storage temperature

-10 ÷ 70°C

Vout / Temperature coefficient

±50 ppm/°C typ

Long Term stability (1 week after 1h warmup)

±0.04% / full scale

Local Control

LCD touchscreen

Remote Control

USB & Ethernet


Compare with Desktop High Voltage Power Supplies.



HV Cables
High Voltage Cable Assemblies
Inhibit - Kill Signal BNC Adapter for HV Power Supply Modules

Ordering Options

Code Description
WDT8032XBAAA DT8032BN - 8CH Desktop Programmable HV Power Supply (-500V 1mA) -SHV conn. - Common Gnd  RoHS
WDT8032XMBAA DT8032BM - 8CH Desktop Programmable HV Power Supply (4ch +500V 1mA, 4ch -500V 1mA) -SHV C. Gnd  RoHS
WDT8032XPBAA DT8032BP - 8CH Desktop Programmable HV Power Supply (+500V 1mA) - SHV conn. - Common Gnd  RoHS


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