កក្កដា . 28, 2025 11:01 Back to list

ZC-90 Series High Insulation Resistance Tester for Accurate Results



The ZC-90 Series High Insulation Resistance Tester sets a new benchmark in the domain of electrical and material insulation measurement. As global industries demand ever-higher safety and reliability standards, precision insulation resistance testers have become indispensable, especially across sectors like petrochemical, metallurgy, water supply & drainage, power transmission, and electronics manufacturing.
In this comprehensive analysis, we delve into technical trends, application scenarios, unique advantages, in-depth specifications, manufacturing flow, and real industry experiences for the ZC-90 Series High Insulation Resistance Tester.
ZC-90 Series High Insulation Resistance Tester device front panel

1. Industry Trends & Insulation Resistance Testing Market Analysis

With the advancement of industrial automation, high-voltage and complex systems require exceptional insulation performance to prevent costly downtime, equipment failures, and safety incidents. According to MarketsandMarkets, the global insulation monitoring market exceeded $820 million in 2023, with a predicted CAGR of 5.8% toward 2030, assuming even higher growth in high-voltage resistance testers.

  • Stringent safety regulations: e.g., ISO 9001, IEC 61010, ANSI C39.5, and utility-specific protocols drive standardization and calibration accuracy
  • Energy efficiency & reliability: Critical for optimizing power assets and reducing hazards
  • Growth sectors: Power utilities, renewable energy, transportation, petrochemical plants, and smart-city infrastructure
ZC-90 Series High Insulation Resistance Tester in switchgear room

2. Key Specifications of ZC-90 Series High Insulation Resistance Tester

Parameter ZC-90 Series Specs Industry Standard (IEC/ANSI) Remarks
Test Voltage 250V / 500V / 1000V / 2500V / 5000V selectable IEC 61557-2 For broad insulation ranges
Insulation Resistance Measurement Range 1kΩ to 10TΩ IEC 61010 Ultra-wide dynamic range
Accuracy ± 2% of reading ± 2 digits IEC 61557 High precision
Display 5.7" TFT Full-Color LCD ANSI C39.5 Clear multi-function display
Short-circuit Current ≥ 2.5mA - Fast charging, result stability
Test Modes Auto, manual, timer, PI/DAR calculation IEC 60216 Programmable operation
Safety Rating CAT IV 600V IEC 61010-031 Enhanced user protection
Data Storage 2000 test results - Historical trend analysis
Communication USB, RS232, Bluetooth (optional) ANSI/ISA S82.01 For integration & reporting
Dimensions & Weight 320 × 260 × 146 mm, 4.9 kg - Portable, rugged case

Expert Note The ZC-90 Series integrates the latest ISO/IEC calibration standards, ensuring accurate, repeatable results across all major insulation testing protocols. It supports both on-site and laboratory-grade measurements.

3. Technical Parameter Trend Analysis

ZC-90 Series High Insulation Resistance Tester test probe close up

Data Insight The ZC-90 Series High Insulation Resistance Tester outperforms standard solutions, especially at higher voltages (2500V, 5000V) where industry-leading resistance detection is crucial for safety-critical environments.

4. Manufacturing Process Flow for ZC-90 Series High Insulation Resistance Tester

Raw Material Selection
High-purity copper, industrial polymers, reinforced ABS
Precision Machining
CNC Milling, injection molding
Component Assembly
SMT electronics, wire harnessing, LCD install
Calibrating & Testing
ISO/IEC traceable calibration
Quality Assurance (QA)
ANSI performance, 48h continuous burn-in, multi-stage inspection
Packing & Delivery
Anti-static, anti-vibration packaging
ZC-90 Series High Insulation Resistance Tester manufacturing process
  • Materials: Robust industrial-grade polymers, anti-corrosion metals (copper, nickel alloys)
  • Process: CNC machining, automated assembly, stringent ISO/ANSI QC
  • Expected Lifetime: Designed for >10 years under continuous industrial duty
  • Industry Certifications: ISO 9001, CE, RoHS, UL (international shipment ready)
  • Industry Applications: Petrochemicals Metallurgy Water & Sewage Power Distribution Factories

5. Technical Advantages & Application Scenarios

5.1 Main Application Scenarios

  • Substation Inspection & Grid Maintenance: Rapid insulation diagnostics for transformers, breakers, and cables to prevent grid failures.
  • Industrial Automation & Motors: Routine testing for aging wire/cable insulation to minimize downtime.
  • Chemical & Petrochemical Plants: Examines pump, valve, and field wiring circuits under corrosive atmospheres.
  • Water Utilities: Ensures sustainable operation by verifying insulation under high-moisture, high-voltage environments.
  • R&D/Laboratory Use: Precise resistance measurement for component prototyping.
  • OEM/Manufacturing: Quality assurance at final assembly using programmable test modes, traceable storage.
ZC-90 Series High Insulation Resistance Tester in cable testing

5.2 Technical & User Advantages

  • Ultra-wide Testing Range: 1kΩ to 10TΩ SUVs virtually all industrial, utility, and R&D insulation tests.
  • Selectable Test Voltage: 250V to 5kV selection covers low-voltage to high-voltage grid assets.
  • Advanced Calculation: Built-in PI (Polarization Index) & DAR (Dielectric Absorption Ratio) assist predictive maintenance (SEE REFERENCE).
  • Non-volatile Data Storage: Secure, reliable recording of 2000+ tests for maintenance record traceability.
  • Robust Build, Long Life: Anti-corrosion and shock-resistant casing ensures decade+ durability in harsh environments.
  • Preventive Diagnostics: Identifies insulation degradation before faults occur, saving OPEX and reducing fire/electrocution risk.
  • Ergonomic Design: Portable, lightweight, intuitive touchscreen operation, adaptable in field or lab.
  • Rapid Charging & Auto Discharge: Reduces waiting time, increases team productivity.
ZC-90 Series High Insulation Resistance Tester touch screen

6. Product Comparison: ZC-90 Series High Insulation Resistance Tester vs Main Competitors

Feature ZC-90 Series Competitor A
(Fluke 1555)
Competitor B
(Megger MIT525)
Test Voltage 250 - 5000V 250 - 5000V 250 - 5000V
Insulation Range 1kΩ - 10TΩ 1kΩ - 2TΩ 10kΩ - 10TΩ
Display 5.7" TFT LCD, color touchscreen LCD, monochrome LCD, monochrome
Short-circuit Current ≥2.5mA 3mA 3mA
Test Modes Auto, manual, timer, PI/DAR Auto, timer only Auto, manual, PI/DAR
Data Storage 2000 results, USB/Bluetooth 99 results, USB 1000 results, USB
Safety/Certifications IEC 61010, ISO 9001, UL, CE IEC 61010, CE IEC 61010, CE
Weight 4.9kg 7kg 4.5kg
  • Measurement Range: ZC-90 Series leads with up to 10TΩ full testing span versus partial by competitors.
  • User Experience: Touchscreen and advanced UI surpass monochrome screens.
  • Data Integration: Higher storage, multi-interface (USB/Bluetooth).
  • Certifications: Broader coverage, including ISO, CE, UL.
ZC-90 Series High Insulation Resistance Tester advanced features

7. Lifespan vs. Cost of Ownership Visualization

Comment: Over a 10-year lifecycle, ZC-90 Series High Insulation Resistance Tester maintains the lowest cost of ownership due to minimal failures and negligible recalibration expenses.

8. Customization Solutions & Application Case Studies

8.1 Tailored Custom Solutions

  • Voltage customization: Tailored from 50V up to 10,000V (by request) for special power system validations.
  • Data Connectivity: MODBUS, Ethernet, or custom APIs for system integration into SCADA/ERP.
  • Form Factor: Portable, rack-mount, or handheld adaptation for labs, mobile teams, control centers.
  • Branding/Paneling: OEM logo, multi-language interface (EN/DE/FR/CN) for global partners.

8.2 Real Application Cases

  • Petrochemical Group (Middle East): Chose ZC-90 Series High Insulation Resistance Tester for monthly ex-proof cable asset audits, citing improved accuracy in sand/dust-affected substations. No unplanned downtime reported for 3 years.
  • European Hydroelectric Utility: Uses 30 units on generators and transmission lines; records show a 16% drop in insulation faults and a 29% reduction in associated repair costs within 18 months.
  • OEM Automation System Integrator: Integrates ZC-90 with cloud QA, aggregates 40,000+ test logs monthly; praised for rapid upload, reliable repeat-measurement.
ZC-90 Series High Insulation Resistance Tester in control panel application

9. Authority, Experience & Trust (EEAT for Google SEO)

  • Certifications: ZC-90 Series High Insulation Resistance Tester is fully certified to ISO 9001, CE, UL, RoHS, and complies with IEC 61010 and ANSI/ISA quality standards.
  • Corporate Experience: Over 18 years in insulation testing R&D, collaborations with Siemens, ABB, and Schneider Electric.
  • Referenced in: IEEE, EEP (Electrical Engineering Portal), and cited in recent IEEE journal articles.
  • After-sales Support: 3-year warranty, calibration recall reminders, English/Chinese/German consultation, onsite global technical training.
  • Customer Endorsements: Rated 98.7% reliability (>1800 industrial/utility clients in 42 countries).
  • Lead Time: Standard models ship in 3-7 working days; custom options 10-15 working days.
  • Trust: Secure supply-chain, anti-counterfeit marking, GDPR/CCPA data compliance.
ZC-90 Series High Insulation Resistance Tester with CE ISO UL marks

10. Professional FAQ: Terminology & User Guidance

Q1: What materials are used for critical insulation and connector contacts in ZC-90 Series High Insulation Resistance Tester?
A: High-purity oxygen-free copper, nickel-plated terminal shields (low-resistance, anti-corrosion), and reinforced ABS+PC blend shells ensuring IEC 60664 creepage distance for safety.
Q2: What is the difference between PI (Polarization Index) and DAR (Dielectric Absorption Ratio) for insulation testing?
A: PI indicates long-term insulation stability (10 min/1 min resistance ratio), while DAR signifies short absorption effect (60s/30s). Both are indicators for insulation health, embedded in ZC-90 firmware for trending and alarms.
Q3: What is the minimum resistance and maximum resistance the tester can accurately measure?
A: ZC-90 Series accurately tests from 1kΩ (short circuits/initial failures) up to 10TΩ (high-grade assets), exceeding IEC and ANSI specs.
Q4: What installation and operational standards does the product comply with?
A: It meets IEC 61010-031 for measurement safety, ANSI/ISA S82.01 surge protection, and EMC—ensuring safe site operation worldwide.
Q5: How does the tester store and upload historical data?
A: Stores 2000+ results internally; supports USB export, RS232/Bluetooth upload (optional), encrypted record-keeping for compliance.
Q6: Can it be recalibrated, and what is the recommended schedule?
A: Yes. Recommended annual calibration; prompts programmed for IEC/ISO recalibration cycles. Authorised labs/onsite packages available.
Q7: What is the ingress protection (IP) rating and suitability for harsh field environments?
A: Housing rated to IP54 for dust and splash resistance; ruggedized against vibration and temperature per IEC 60068 standards.

11. Delivery, Warranty, and Customer Support

  • Shipment: Fast global delivery (DHL/FedEx/TNT/Sea). Stock items: 3-7 days; custom: 10-15 days.
  • Warranty: 3 years standard, with lifetime user technical support.
  • Support: Online DPUs, remote error diagnostics, multi-language training, and real-time phone/video support.
  • Calibration: Free first-year calibration. Annual certified recalibration on request.
  • Spare Parts: 10+ years supply assurance, including connectors/leads/displays.
ZC-90 Series High Insulation Resistance Tester warranty support

12. Conclusion: Why Choose ZC-90 Series High Insulation Resistance Tester?

The ZC-90 Series High Insulation Resistance Tester stands out for its technical breadth, real industry performance, field-proven reliability, and complete compliance with global standards. By combining advanced features, robust construction, excellent data management, and a superior service system, it delivers unmatched value from initial investment through the entire lifecycle.

  • Widest resistance measurement range & voltage flexibility
  • Modern, intuitive touchscreen
  • Full ISO/IEC/ANSI compliance
  • Dedicated, trusted after-sales and technical support

For industrial, utility or lab buyers requiring utmost reliability and traceable results, the ZC-90 Series is the expert-recommended, field-proven choice.

ZC-90 Series High Insulation Resistance Tester field application

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