<100kV Range

LQHVF 50kV/1000pF Capacitive Voltage Divider & Coupling Capacitor - Precision Dual-Function HV Instrument

Compact LQHVF 50kV/1000pF capacitive divider with dual functionality, ≤1% accuracy & removable modular design. Features <5pC PD detection & optimized 300×300×600mm footprint.

US$ 2,283.00
Lead time: 30 days

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Product Details

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LQHVF 50kV/1000pF Capacitive Voltage Divider & Coupling Capacitor

Compact Powerhouse: Dual-function HV instrument in space-efficient 300×300×600mm footprint with full 50kV capability

Precision HV Instrument for Demanding Applications

Engineered for 50kV systems, the LQHVF combines laboratory-grade accuracy with field-deployable convenience. The 1000pF capacitance and 1000:1 ratio enable:

Accurate voltage measurement with ≤±1% accuracy
Sensitive partial discharge detection (<5pC)
Harmonic analysis up to 20kHz bandwidth
Dielectric loss monitoring with <0.5% dissipation

Technical Specifications

Parameter	Specification	Performance Advantage
Rated Voltage	50kV	Ultra-high voltage capability
Capacitance	1000pF	Optimal PD signal coupling
Voltage Ratio	1000:1	50V output at 50kV input
Partial Discharge	<5pC @ 50kV	IEC 60270 Class I compliance
Dielectric Loss	<0.5%	Superior insulation efficiency
Accuracy	≤±1%	Meets IEEE 4-2013 standards
Dimensions (L×W×H)	300×300×600mm	Compact substation footprint
Weight	15kg	Portable with carrying handles
Operating Time	60min @ 50kV	Full-power diagnostic capability

L300mm

W300mm

H600mm

Innovative Modular Design

Corona Ring

Aluminum alloy

Removable design

Ly Arm

Measurement interface

BNC output

HV Arm

50kV rated

Quick-disconnect

Removable Base

Stabilized platform

Leveling feet

Oil-Immersed Construction

High-grade mineral oil for thermal management

Benefit: Enhanced arc suppression

Quick-Disconnect System

Tool-free assembly in 8 minutes

Benefit: Rapid field deployment

Dual-Function Capabilities

Voltage Division

Range: 0-50kV

Accuracy: ≤±1% at 50Hz

Output: 50V at 50kV input

PD Coupling

Sensitivity: <5pC at 50kV

Bandwidth: 20Hz-20kHz

Impedance: 80Ω at 2kHz

Measurement Advantage: Simultaneous voltage and PD measurement enables phase-resolved partial discharge (PRPD) analysis

Thermal Management System

ONAN Cooling: Oil Natural Air Natural convection
Thermal Performance: <45°C rise during 60-min operation
Operating Protocol:

60 minutes continuous at 50kV
Recommended 60-minute cooling period

Clearance Requirements: Maintain 25cm air space around unit

Compliance & Applications

Standards Compliance: IEC 60270:2000, IEEE 4-2013, EN 60060-1:2010

Critical Applications:

Testing of 50kV switchgear and GIS
On-line PD monitoring in substations
Power quality analysis in industrial facilities
Dielectric testing of transformers
High-voltage research laboratories

Operational Protocol

Assembly

Secure base to stable surface
Connect Ly-arm to base
Install HV-arm assembly
Attach corona ring

Safety Measures

Ground base with ≥12mm² cable
Maintain 1.5m personnel clearance
Verify oil level before energization

Operation

Ramp voltage gradually (≤5kV/s)
Max 60 minutes at 50kV
Monitor temperature

Measurement

Connect Ly-arm to voltmeter
For PD: Connect HV terminal to analyzer
Record data continuously

Pro Tip: For optimal PD sensitivity, use double-shielded coaxial cables ≤1.5m in length with ferrite cores at both ends

Why This Compact Design?

Space Efficiency

300×300×600mm fits confined spaces

Transport Optimized

15kg with removable components

Full Capability

50kV performance in compact form

Thermal Resilience

ONAN cooling maintains stability