AC DC Divider
LQHVF/AC-DC 200KV Dual-Mode Voltage Divider
Portable 50pF Capacitive & 800MΩ Resistive Measurement System with ONAN Cooling
⚡ Ultra-Portable
Field-ready at just 55kg
🔄 Dual Mode
AC/DC 2000:1 ratio
❄️ ONAN Cooling
30 min continuous operation
📊 PV2-1 Compatible
100V output to voltmeters
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | 200kV AC/DC |
| Frequency (AC Mode) | 50/60Hz |
| Capacitance (AC) | 50pF |
| Resistance (DC) | 800MΩ |
| Dividing Ratio | 2000:1 (AC & DC) |
| Output to PV2-1 | 100V |
| Accuracy | ≤±1.5% |
| Dielectric Loss | <0.5% |
| Max Test Voltage | 220kV |
| Operating Time | 30 min @100% load |
| Cooling System | ONAN (Oil Natural Air Natural) |
| Temperature Coefficient | <0.0005 |
| Dimensions | Ø150/Ø550 × 1600mm |
| Weight | <55kg |
Dual-Mode Measurement Capabilities
AC Measurement
50pF Capacitive Coupling for AC circuits
50/60Hz frequency compatibility
Dielectric loss <0.5%
Ideal for power frequency testing
DC Measurement
800MΩ Resistive Load for DC systems
Ultra-stable <0.0005 temperature coefficient
No frequency dependence
Perfect for HVDC applications
Both modes maintain identical 2000:1 dividing ratio for measurement consistency
Compact Field-Ready Design
Portability Advantages
Lightweight 55kg construction
Compact Ø550mm footprint
Integrated carrying points
No external cooling required
Robust Construction
ONAN oil-immersed cooling
220kV test-proven insulation
Corona-free terminals
Sealed environmental protection
PV2-1 Peak Voltmeter Integration
Pre-configured for seamless connection:
Standardized 100V output signal
Direct interface with PV2-1 instruments
Calibrated measurement path
No additional attenuation needed
⚠️ Note: Peak voltmeter not included - compatible with all PV2-1 series instruments
Applications
Mobile Test Labs
Lightweight design for on-site HV testing
Transformer Testing
AC/DC withstand voltage verification
HVDC Systems
800MΩ DC mode for converter stations
Research & Education
Compact solution for university labs
Safety & Compliance
Tested to 220kV (110% rated voltage)
IEC 60060-1 certified (High-voltage test techniques)
IEC 61010 compliant (Electrical safety)
ONAN cooling eliminates active failure points
⛑️ Field Safety: Maintain minimum 2m clearance during 200kV operation
Operational Guidelines
Max continuous operation: 30 minutes at 200kV
Cool-down period: Equal to operation time
Annual dielectric oil analysis
Biannual ratio calibration (NIST traceable)
Storage at ≤60% humidity
