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EHR

Polarity switchable High Precision HV Module

The new EHR series represents a system capable multichannel high voltage module - equipped with the finest iseg HV generation technology in MMS system (Eurocard format).  The module is made of high-precision components such as 24 bit ADC and up to 20 bit DAC and provides comprehensive safety features. 

The EHR provides 4 HV-channels, each with an independent voltage and current control and reversible polarity.

A flexible 6kV channel provides a maximum versatility: With three electronically switchable HV-generation modes it can supply 4 mA up to voltages of 2 kV, 3 mA up to 4 kV or 2 mA up to 6 kV.  Alternatively the EHR can be equipped with cost efficient 2kV/6mA fixed channels. 

By offering different configurations and options this module perfectly covers various types of applications such as detector supply, experimental setup or lab use. 


  • 4 channels
  • Electronically switchable polarity for each channel independently
  • 2 kV / 6 kV versions
  • 6 kV channel with electronical switchable modes: up to 2 kV/4 mA, 4 kV/3 mA or 6 kV/2 mA
  • High precision / very low ripple and noise
  • Second current measurement range 20 µA for high precision version
  • Voltage and current control per channel
  • Hardware voltage and current limits

model EHR Standard new EHR High Precision new
ch. 4 4
Vnom 2kV - 6kV 2kV - 6kV
Vin 24V 24V
ripple & noise 10mV 2mV - 3mV
HV connector SHV SHV
control iCS iCS
options INH L TC SLA SLP INH L TC SLA SLP
manual EHR User Guide EHR User Guide
datasheet see configurations see configurations
image iseg_docitems_file_20230830124313.png iseg_docitems_file_20230830124313.png
current new planned discontinued
group
model
Vnom
Inom
Pnom/ch
ch.
polarity
ripple & noise
interfaces
HV connector
options
image
manual
EHR Standard newEHR 40 20
itemcode: ER040020r605
configure now
2kV6mA12W4electronically switc...10mVCANSHVINH L TC SLA SLPiseg_docitems_file_20230830124313.pngEHR User Guide
EHR Standard newEHR 40 60
itemcode: ER040060r405
configure now
6kV4mA12W4electronically switc...10mVCANSHVINH L TC SLA SLPiseg_docitems_file_20230830124313.pngEHR User Guide
EHR High Precision newEHR 42 20
itemcode: ER042020r605
configure now
2kV6mA12W4electronically switc...2mVCANSHVINH L TC SLA SLPiseg_docitems_file_20230830124313.pngEHR User Guide
EHR High Precision newEHR 42 20
itemcode: ER042020r104
configure now
2kV100µA0.2W4electronically switc...2mVCANSHVINH L TC SLA SLPiseg_docitems_file_20230830124313.pngEHR User Guide
EHR High Precision newEHR 42 60
itemcode: ER042060r405
configure now
6kV4mA12W4electronically switc...3mVCANSHVINH L TC SLA SLPiseg_docitems_file_20230830124313.pngEHR User Guide
EHR High Precision newEHR 42 60
itemcode: ER042060r104
configure now
6kV100µA0.6W4electronically switc...3mVCANSHVINH L TC SLA SLPiseg_docitems_file_20230830124313.pngEHR User Guide
code description
INH INHIBIT
L low current output
TC improved temperature coefficient
SLA active safety loop
SLP internally powered safety loop

configuration tool

This tool helps to select a suitable iseg device and to combine suitable options and interfaces into an product that can be ordered with a final article number. It can also be used to decode known item codes.
 
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Note: manuals and datasheets can be downloaded under configurations-tab