HV Diagnostics HVA 34 - 3.2 Design Features

User Manual
Rev 9.0 Page 11 HV Diagnostics
3.2 Design Features
To assure that the workplace is safe and that operators can fulfil their
responsibilities with ease, the HVA provides the following features.
Feature Purpose / Application Advantage
Optimized Frequency
Selection /
Automatic load
measurement
•
To test capacitive loads
• No instrument restart necessary
•
Facilitates testing
• Limits number of
connections to the DUT
Fully Automatic Test
Sequences
•
To test according to IEEE or other
standards
•
Facilitates complex testing
• Facilitates test repetition
Real Time Display
•
To indicate instantaneous output
voltage display.
•
Facilitates testing
Load independent
output
•
To indicate true symmetrical
sinusoidal and square wave
waveforms output
•
Facilitates testing
Built in Memory
•
To save test sequences
• To save test reports
•
Facilitates test repetition
• Facilitates documentation
Arc Management
•
To provide short-circuit protection
• To allow for fault conditioning
•
Limits test interruptions
commonly encountered
when using conventional HV
test instruments that
immediately trip on arc
detection.
Automatic load
measurement
•
To limit connections to the DUT
•
Facilitates testing
Intelligent Design
•
Minimum moving parts and no
need for lubrication
•
Reduces maintenance
• Improves instrument
durability and reliability
Instrument Lock-
Key switch (7)
•
To prevent against unauthorized
use
•
Improves safety
Local and remote
emergency off switches
•
To shut down operations in an
emergency situation
•
Improves safety
Fully integrated
discharge and transient
circuit
•
To ground the DUT after testing
• To protect the unit from transient
over voltages
•
Improves safety
• Protects instrument
Initial load clearance
test at reduced voltages
•
To check automatically for shorts
or grounds, during load
measurement, before test
initiation
•
Improves safety
Return Voltage
Indication
•
To monitor external high voltage
greater than 100V (AC)
•
Improves safety
Discharge Status
Indication
•
To indicate when DUT is not fully
discharged.
LED Red (3) lights when residual
voltage greater than 100V
•
Improves safety during
normal disconnection
procedures