High­Voltage Test Interface
for the modular Alpha­A
Dielectric Analysis system• Excellent performance for general purpose
dielectric and impedance measurements• Accurate measurements with both high AC, highDC or combinations thereof up to 4000 Vpp• Safe and reliable high­voltage applications• Dedicated high voltage sample cell available• Free variables: Frequency, AC, DC voltages,Temperatures (with Novocontrol temperature
control systems Novotherm, Novocool, Quatro)
Applications:• Non­linear dielectric and impedance
spectroscopy of materials and devices• Electronic and ion conduction studies• Ferroelectrics and FLCs
• Leakage current of insulators• High voltage engineering• Materials degradation tests under electric stress(cables, bushings, dielectrics, general insulators)

Novocontrol Technologies
GmbH & Co. KG
Aubachstr. 156410 Montabaur
Germany
Phone: +49 2602 9196690
Fax:+49 2602 91966933
e­mail: novo@novocontrol.de
web: http://www.novocontrol.de

HVB 4000

HVB 4000NOVOCONTROL
Safe High Voltage Measurements

Novocontrol impedance analyzers, renow­
ned for highest accuracy and precision,deliver top performance in various applica­
tions, e.g., materials science, macromole­cular research, semiconductor develop­
ment, analysis of chemical reactions, andmany more. The investigation of non­linear
properties adds the requirement of highelectric fields applied to the materials under
test. The use of commercial high voltage
amplifiers in combination with a highly sen­sitive measuring instrument like a Novocon­
trol impedance analyzer, however, istroublesome: chances are high that themeasurement system might be damaged
or even destroyed. It is, therefore, imperati­
ve to apply particular techniques thatachieve protection against potential highvoltage input signals.
HVB 4000

The risk of severe instrument damages du­ring high­voltage experiments is easily over­come by the application of the highvoltage extension HVB 4000. In this device,a specially designed high voltage input
amplifier ensures continuous and reliable
operation in high voltage mode. The HVB4000 is designed as a test interface for theNovocontrol Technologies advanced fre­quency analyzer ALPHA­A, which, in turn, iscontrolled by a computer typically running
the Novocontrol WinDETA software. Thesoftware controls all functions of the test in­
terface, resulting in a turnkey integrated so­lution for high­voltage dielectric andimpedance measurements, including cali­
bration and automatic reference capacitor
selection for ultimate measuring accuracy.
The HVB 4000 is equipped with interlock pro­tection and safe high­voltage (SHV)
connectors.
Complete Software Support

The HVB 4000 high­voltage test interface isfully supported in terms of the control, dia­gnostics, calibration, set­up, data collectionand their visualisation by the Novocontrol
standard instrument control software
DETACHEM.

HVB 4000
HVB 4000 Specifications
Ranges:Frequency: 3 µHz ... 10 kHz (9.5 decades)
Impedance: 1 kΩ .. 2.1015 Ω (12 decades)
Capacitance: 1 fF ... 0.01 F (13 decades)
Loss factor tan(δ): 10­5 .. 104
AC signal out: 20 mV .. 1414 Vrms, 2.7 mA max.
DC bias out: ±2000 VDC, 2.7 mA max. 2)
Signal generator output impedance: 750 kΩ
Voltage input: < ± 2000 Vp dc coupled
Base Accuracy:

Relative Impedance, Relative Capacity,
Loss factor tan(δ): < 3.10­5 2)
Phase Angle: < 0.002° 3)
Resolution:

Relative Impedance, Relative Capacity,Loss factor tan(δ): < 10­5Phase Angle: < 0.0006°
User Calibrations:

open, internal self calibration and diagnostics
requires dc bias option B of the Alpha­Amainframe2)
for details refer to specification charts
1)

Extensions/Accessories
Sample Cell

• BDS1200HV2K high­voltage dielectric
sample cell with protection interlock switch
and Pt100 temperature sensor
Temperature Control Systems• Quatro Cryosystem (­160 °C .. 400 °C)• Novocool (­100 °C .. 250 °C)• Novotherm (ambient .. 400 °C)
Seamless Integration

The HVB test interfaces are easily integrated
into various Novocontrol turnkey measure­ment systems (e.g., Concept 40, Concept 80)

System requirements• Novocontrol Alpha­A series dielectric/
impedance analyzer (older models before
Rev. C require the DC bias option B)