R1471HET
8/4 Ch Reversible 5.5 kV/20 µA 19' HV Power Supply High Accuracy Module (USB/Ethernet/T.screen)
Highlights
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4 or 8 independent channels in a 19″ rack unit (110/220V AC Powered)
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5.5 kV / 20 µA output ranges
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Channels with individually selectable positive or negative polarity
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SHV coaxial output connectors
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Common floating return
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Low Ripple
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Under/over-voltage alert, overcurrent and max. voltage protection
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Interlock logic for board enable and Individual channel kill
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1 nA Current monitor resolution (with x20 Imon-Zoom: 50 pA)
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2.8″ color touch screen display
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Local and Remote control (USB2.0/Ethernet)
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Daisy-chain capability (4 channel only)
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Software Tools for easy channel management
Overview
The CAEN Mod. R1471HET provides 4 or 8 independent high voltage channels, depending on the version, in a 19″ rack unit (110/220 V AC powered). Each channel delivers up to ±5.5 kV and 20 µA, and its output polarity can be selected independently.
The channels share a common floating return, insulated from the crate ground. The Mod. R1471HET is housed in a 19″ 2U rack unit and, in both the 4- and 8-channel versions, delivers its HV outputs through SHV connectors; for further technical information, consult our connectors reference page. Ramp-up and ramp-down rates can be set independently for each channel from 1 to 500 V/s in 1 V/s steps. The module offers 1 nA Iset/Imon resolution, and the x20 Imon Zoom increases the current monitor resolution to 50 pA.
The module can be controlled locally, through a 2.8″ color touchscreen LCD display with a completely redesigned user interface, or remotely via USB 2.0 or Ethernet.
A complete set of free software tools is available to control the unit: GECO2020, with a user-friendly GUI, and the CAEN HV Wrapper library for custom software development. EPICS and LabVIEW are also supported.
The module also includes dedicated safety features that allow it to operate as a current generator. A common interlock logic enables or disables the channels, while individual input signals provide a kill function for each channel. An overvoltage and undervoltage warning is issued when the output voltage differs from the programmed value by more than 2% of the set value (minimum 10 V). If a channel attempts to draw a current higher than its programmed limit, it enters TRIP status and holds the maximum allowed value for a programmable time (TRIP) before being switched off. A programmable VMAX protection limit is also available.
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DT1471HET
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Compare
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Image
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Name
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No. of Channels
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Max Output V
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Max Output I
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Vset/Vmon Resolution
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Iset/Imon Resolution
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Max. Ramp Up/Down Rate
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Ripple Typ. (>1kHz)
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Max Power per Channel
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Features
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Connectors
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R1470ET |
4-8 |
±8000 V |
3 mA |
200 mV |
Iset: 50 nA <br>Imon: 50 / 5 nA |
500 V/s |
<5-10 mVpp |
9 W (< 3 kV) 8 W (> 3 kV) |
Remote control via USB or Ethernet |
SHV |
|
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R1471ET |
4-8 |
±5500 V |
300 µA |
100 mV |
Iset: 5 nA <br>Imon: 5 / 0.5 nA |
500 V/s |
<3 mVpp |
1.65 W |
Remote control via USB or Ethernet |
SHV |
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R1419ET |
4-8 |
±500 V |
200 µA |
10 mV |
Iset: 5 nA <br>Imon: 5 / 0.5 nA |
100 V/s |
<5 mVpp |
0.1 W |
Remote control via USB or Ethernet |
SHV |
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R1570ET |
2/4 |
±15000 V |
1 mA |
400 mV |
Iset: 20 nA <br>Imon: 20 / 2 nA |
500 V/s |
<4-20 mVpp |
10 W |
Remote control via USB or Ethernet |
LEMO HV |
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R1471HET |
4-8 |
±5500 V |
20 µA |
100 mV |
Iset: 1 nA <br>Imon: 1 / 0.05 nA |
500 V/s |
<2 mVpp |
0.11 W |
Remote control via USB or Ethernet |
SHV |
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R1472ETS |
1 |
± 3000 V |
2 mA |
100 mV |
Iset: 50 nA, Imon: 5 nA |
1÷500 Volt/s, 1 Volt/s step |
Typ: < 5mVpp; Max: <15mVpp |
6 W |
Remote control via USB, Ethernet, T. Screen |
SHV |
Technical Specifications
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Packaging |
19” rack (h: 2U; d: 360mm). Weight: ~9kg (2-4 ch), 10.5kg (8 ch); |
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Output channels |
4-8 channels, Common Floating Return, SHV connector |
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Output ranges |
5.5 kV / 20 µA (IMonRange = High) |
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Max. Ch. Output Power |
0.11 W |
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Vset Resolution |
100 mV |
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Vmon Resolution |
100 mV |
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Iset Resolution |
1 nA |
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Imon Resolution |
1 nA (IMonRange = High) |
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Vmax |
0 ÷ 5600 V Absolute maximum HV level that the channel is allowed to reach, independently from the preset value Vset. |
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Vmax resolution |
± 1 V |
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Alarm output |
Open collector, 100 mA maximum sink current |
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Interlock input |
LOW: < 1 V; current~5mA; HIGH: 4÷6 V |
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Ramp Up/Down |
1÷500 Volt/s, 1 Volt/s step |
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Trip |
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Voltage Ripple |
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Vmon vs. Vout Accuracy |
±0.02% of read value ±2 V |
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Vset vs. Vout Accuracy |
±0.02% of read value ±2 V |
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Imon vs. Iout Accuracy |
±2% of read value ±2 nA (IMonRange = High) |
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Iset vs. Iout Accuracy |
±2% of read value ±3 nA (IMonRange = High) |
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Ventilation Fan |
60×60 24V; 62 dBA maximum noise level |
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Humidity range |
0 ÷ 80% |
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Storage temperature |
-10 ÷ 70°C |
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Operating temperature |
0 ÷ 45°C |
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Vout / Temperature coefficient |
max. 50 ppm/°C |
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Imon / Temperature coefficient |
max 100 ppm/C°; max 300 ppm/C° with Imon zoom |
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Long term stability Vout vs. Vset |
± 0.02% (after one week @ constant temperature) |
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