English
The PS-3520 series is a high-precision professional Insulation Resistance Tester (Megger) designed for rigorous electrical testing in power systems, motors, and transformers. Engineering excellence meets versatility, offering three specialized models (PS-3520, PS-3520B, and PS-3520C) to handle voltage requirements ranging from 5kV up to 15kV, ensuring the highest standards of dielectric integrity and operational safety.
Equipped with an advanced touch-screen interface and a rugged IP65-rated double-shell structure, the PS-3520 is built for the most demanding industrial environments. From calculating Polarization Index (PI) to conducting Dielectric Absorption Ratio (DAR) tests, this instrument provides comprehensive diagnostic capabilities, enabling technicians to predict insulation failure and optimize maintenance schedules with laboratory-grade accuracy.
Detailed Parameters
| Model | PS-3520 / PS-3520B / PS-3520C | Max Rated Voltage | 250V, 500V, 1KV, 2.5KV, 5KV, 10KV, 15KV |
|---|---|---|---|
| Resistance Range | 0.50MΩ up to 30.0TΩ (Depending on Model) | Short Circuit Current | > 7mA |
| Test Modes | IR, PI, DAR, RAMP, Filtered Resistance (FR) | Display Type | Large Color Touch Screen |
| Battery Capacity | 19V 6200mAh Rechargeable Lithium | Protection Rating | IP65 Double-shell Structure |
| Data Storage | 1000 Groups with Date and Time | Connectivity | USB Interface for PC Upload |
Key Advantages
Industrial Durability
Features an IP65-rated double-shell structure, ensuring the device remains sturdy and protected against dust and water in harsh field conditions.
Automatic Safety
Integrated automatic discharge function safely releases the charge of the tested object immediately after the test is completed.
Multi-Parameter Analysis
Beyond simple resistance, it performs PI and DAR tests to provide a deeper understanding of insulation quality and aging.
Intuitive UI
Large colorful touch screen allows for effortless navigation and clear visualization of real-time test data.
Live Voltage Monitoring
Built-in voltage monitor function automatically checks for live voltage on the measured object for enhanced operator safety.
Digital Data Export
Stores up to 1000 test groups and supports USB upload for professional statistical analysis on a computer.
Product Gallery
Management Platforms
Asset Tracking
Easily integrate test results into your equipment lifecycle management system for better asset tracking.
Quality Control
Standardize your insulation testing protocols across multiple sites using the PS-3520's consistent output.
Preventative Alerts
Use DAR and PI data to trigger preventative maintenance before a critical insulation failure occurs.
Compliance Audit
Generate detailed electronic reports via USB export to meet international electrical safety standards.
Inventory Integration
Manage your fleet of testing instruments and calibration schedules within a centralized platform.
Workflow Automation
Streamline the process from field measurement to office analysis with the one-click upload feature.
Investment Return Comparison
| Performance Metric | Standard Megger | PS-3520 Series |
|---|---|---|
| Voltage Range | Fixed/Limited | Up to 15kV (7 Gears) |
| Data Handling | Manual Recording | 1000 Groups Digital Storage |
| Field Safety | Basic Discharge | Auto-Discharge & Live Monitoring |
| Test Versatility | IR only | IR, PI, DAR, RAMP, FR |
| Durability | Standard Plastic | IP65 Double-Shell Industrial |
Frequently Asked Questions
The primary difference is the maximum rated voltage and resistance range. The PS-3520 goes up to 5kV (10TΩ), the PS-3520B reaches 10kV (20TΩ), and the PS-3520C supports up to 15kV (30TΩ).
The PI test helps determine if insulation is contaminated or moist by comparing resistance at two different time intervals, providing a more accurate health assessment than a single spot reading.
Yes, it is specifically designed for field work with an IP65 protection rating and a sturdy double-shell structure to resist environmental hazards.
The device is equipped with a USB interface. You can simply connect the instrument to your PC using the provided USB communication cable to upload recorded data for analysis.
The PS-3520 includes a live voltage monitor to warn of existing electrical charges and an automatic discharge function to safely bleed off energy after testing.
It is powered by a high-capacity 19V 6200mAh rechargeable lithium battery pack, designed to sustain long testing sessions in the field without frequent recharging.
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