HV Diagnostics - Model HVA28TD -VLF/DC Hipot Tester with Integrated Tan Delta

The instrument automatically performs a TD test, stepping up the voltage at the user prescribed levels (according to the IEEE) and stores the results. All test parameters including insulation resistance, capacitance, RMS current and voltage, test durations, voltage steps, tan delta, and standard deviation are all measured and displayed by the HVA28 LCD display or stored to an internal memory. Learn more about Tan Delta Diagnostics here.

Test results can also be transferred directly to a USB memory stick or wirelessly via Bluetooth to a PC for later analysis and reporting using the supplied industry leading reporting software - TD Control Center. All units are shipped with a calibration certificate, TD Control Center software, corona protection shields, Bluetooth dongle, and an accessories tote.

• Integrated TD unit
• TD Resolution ±1x10-4
• TD Analysis & Reporting using TD Control Center
• Digital RMS metering
• Smallest unit available
• Bluetooth/USB Mem. stick PC Interface
• Color LCD Display
• Weighs only 31 lbs / 14 kg
• Insulation Resistance & Cap. Measurement
• Perform advanced diagnostics on MV Cables according to IEEE400 and 400.2
• Output Frequency optimization
• Real time oscilloscope display
• Auto & Manual Test Sequences
• Internal Storage of Test Reports
• Unlimited duty cycle
• Flashover voltage detection
• Power supply immunity and independence
• Low maintenance, oil-free design
• RMS Digital Metering of Current and Voltage

• VLF 20kVrms/28kV Peak output
• DC ±28kV
• Sine/Square/ DC outputs
• Cable Jacket / Sheath testing mode
• TD measurement mode
• Vacuum bottle testing mode
• Fault Conditioning/Trip
• Load independent output waveform

• Short circuit detection
• Emergency Off button
• Integrated internal discharge of DUT.
• 12kV power frequency voltage feedback protection

Ordering Information: 702 001
Power Supply/Input Voltage: 110 to 240V AC ±10% (50/60Hz)
Input Power Requirements: 400VA

Rated Max Output Voltage:
Sinusoidal RMS/Peak: 20kV/28kV
Squarewave: 28kV
DC: ±28kV

Rate Max Output Current:
Sinusoidal RMS: 20mA
DC/Squarewave: 28mA

Output Frequency (default 0.1Hz): 0.01Hz to 0.1Hz adjustable small increment of 0.01Hz (10 frequencies)
Frequency Optimization: Yes
Maximum Output Load Capability @ maximum voltage and frequency: 0.5µF; *5000ft; *1.5km
Metering:
Voltage: 0.1kV Resolution ±1% Accuracy
Current: 1 µA Resolution ±1% Accuracy
Capacitance: 0.1 nF to 20 µF Range
Resistance: 0.1MΩ to 5GΩ Range
Timing: Included and integrated
Fast Arc/Flashover: Detection Included and Integrated
Waveform: Real time oscilloscope display of actual output voltage waveform

Output Mode (all load independent & symmetrical):
VLF AC Sinewave
VLF AC Squarewave
DC (both Positive and Negative Polarity)
Fault Condition Mode / Fault Trip Mode
Vacuum Bottle Test Mode (DC) - optional
Cable Jacket / Sheath Test Mode

Output Duty: Continuous
Computer Interface: USB Flash & BT; HVA Control Center Software included with every HVA instrument

Memory / Test Record Storage:
‍Built in Memory: 50 Test Records
USB Flash Drive: Unlimited (see options)
No. of programmable Automatic Test Sequences: 40
Standard HV Test Lead Cable Included: 13ft / 4m
Weight: 31lbs / 14kg

Dimensions:
Imperial (inches): 16.9 x 9.4 x 13.4"
Metric (mm): 430 x 240 x 340 mm

Environmental:
Storage: -13°F to 158°F / -25°C to 70°C
Operating: 23°F to 113°F / -5°C to +45°C
Humidity: 85% RH non-condensing