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2 Channel 15 kV/1 mA (10 W) Desktop HV Power Supply Module


  • 2 independent channels in a Desktop case (110/220V AC Powered)
  • 15 kV / 1mA output range
  • Max channel power: 10W (<10kV) or 7W (>10kV)
  • Channels with individually selectable positive or negative polarity
  • LEMO HV coaxial output connectors
  • Common floating return
  • Low Ripple
  • Under/over-voltage alert, overcurrent and max. voltage protection
  • Interlock logic for board enable and Individual channel kill
  • 20 nA Current monitor resolution (with x10 Imon-Zoom: 2 nA)
  • 2.8″ color touch screen display
  • Local and Remote control (USB2.0/Ethernet)
  • Daisy-chain capabilty
  • Software Tools for easy channel management


The DT1570ET provides 2 independent High Voltage channels in a desktop package (110/220V AC Powered). Each channel can provide a ± 15 kV max voltage, 1 mA max current and a 10 W max power. The output polarity is independently selectable for each channel. Channels have common floating return (common return insulated from the crate ground); HV outputs are delivered through Lemo HV connectors.
The HV output Ramp-up and Ramp-down rates may be selected independently for each channel in the range 1÷500 V/s in 1 V/s steps.

The module features 20 nA Iset/Imon resolution. Zoom (x 10) for Imon increases resolution to 2 nA. 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 or Ethernet, taking advantage of the new GECO2020 Control Software.

A complete set of free software Tools is available to control this unit: GECO2020 with user friendly GUI and CAEN HV Wrapper library for custom SW development. EPICS and LabVIEW also supported.

Safety features include:

  • Overvoltage and Undervoltage warning when the output voltage differs from the programmed value by more than 2% of set value
  • Programmable VMAX protection limit.
  • Overcurrent detection: if a channel tries to draw a current larger than its programmed limit, it enters TRIP status, keeping the maximum allowed value for a programmable time (TRIP), before being switched off.
  • Common Interlock logic for channels enable/disable and individual inputs signal for channel Kill function.

Technical Specifications


Desktop package (239x84x184mm); Weight: ~5.2kg.

Output channels

2 Ch, Positive or Negative Polarity (requires internal setting)

Output ranges

15 kV / 1 mA (IMonRange = High)
15 kV / 100 µA (IMonRange = Low) – Imon Zoom Active

Max. Ch. Output Power

10W (<10kV) 7W (>10kV)

Vset Resolution

500 mV

Vmon Resolution

400 mV

Iset Resolution

20 nA

Imon Resolution

20 nA (IMonRange = High)
2 nA (IMonRange = Low) – Imon Zoom Active


0 ÷ 15100 V

Absolute maximum HV level that the channel is allowed to reach, independently from the preset value Vset. Output voltage cannot exceed the preset value Vmax. The accuracy is 1 % ± 5 V

Vmax resolution

± 1 V

Alarm output

Open collector, 100 mA maximum sink current

Interlock input

LOW: < 1 V; current~5 mA; HIGH: 4÷6 V

Ramp Up/Down

1÷500 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.
  • Trip range: 0 ÷ 999.9 s; 1000 s = INFINITE. Step = 0.1 s (If trip= INFINITE, “overcurrent” lasts indefinitely)
Voltage Ripple

20 ÷ 1000 Hz:

  • 7kV/250µA  Maximum: 10 mVpp
  • 10kV/350µA Typical: 12 mVpp / Maximum: 15 mVpp
  • 14kV/500µA Typical: 20 mVpp / Maximum: 25 mVpp


1 ÷ 20000 kHz:

  • 7kV/250µA Maximum: 10 mVpp
  • 10kV/350µA Typical: 6 mVpp / Maximum: 15 mVpp
  • 14kV/500µA Typical: 20 mVpp / Maximum: 25 mVpp
Vmon vs. Vout Accuracy

±0.02% of read value ±2V

Vset vs. Vout Accuarcy

±0.02% of set value ±2V

Imon vs. Iout Accuracy

±2% of read value ±1 µA (IMonRange = High)
±2% of read value ±100 nA (IMonRange = Low) – Imon Zoom Active

Iset vs. Iout Accuracy

±2% of read value ±1 µA (IMonRange = High)
±2% of read value ±100 nA (IMonRange = Low) – Imon Zoom Active

Humidity range

0 ÷ 80%

Storage temperature

-10 ÷ 70°C

Vout / Temperature coefficient

max. 50ppm / °C

Imon / Temperature coeff.

max 100ppm/C°; max 300ppm/C° with Imon zoom

Longterm stab. Vout vs. Vset

± 0.02% (after one week @ constant temperature)


2 Channel 15 kV/1 mA (10 W) Desktop HV Power Supply Module
Product page
  • Documentation
  • Software
  • Firmware


Name File extension File size Revision Last update
R14xxET 19" & DT14xxET DeskTop HV Power Supplies PDF 2.13 MB 19 March 16th, 2023





Trial – Software License

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Safety Information and Product Support Service (ENG/ITA) PDF 1.84 MB - October 24th, 2022




Release Notes: 


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CAEN HV Wrapper Library Library for CAEN Power Supply Control
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EPICS IOC (PSM - Power Supply Modules) EPICS IOC for Power Supply Modules
LabVIEW Driver (PSM - Power Supply Modules) LabVIEW Instrument Driver for Power Supply Modules


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Ordering Options

Code Description
WDT1570ETXAA DT1570ET - 2 Channel 15kV/1mA(10W) Desktop HV Power Supply Module with Ethernet & 2.8" Touchscreen  RoHS


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