Hioki Insulation Testers
Analog and digital insulation resistance testers up to 5000V.
11 products found
Shop Hioki Insulation Testers
IR4016-20
Hioki IR4016-20 Analog Insulation Tester
Compact analog insulation tester with a single 500V test voltage and 100MΩ range. Pointer...
IR4017-20
Hioki IR4017-20 Analog Insulation Tester
Analog insulation tester with a single 500V test voltage and an extended 1000MΩ range for...
IR4018-20
Hioki IR4018-20 Analog Insulation Tester
Heavy-duty analog insulation tester with a 1000V test voltage and 2000MΩ range for higher...
3490
Hioki 3490 Analog Insulation Tester
Analog pointer insulation tester with 3 test voltage ranges: 250V, 500V, 1000V. Measures i...
IR4056-20
Hioki IR4056-20 Digital Insulation Tester 1000V
Digital insulation tester with 5 test voltages: 50V, 125V, 250V, 500V, 1000V. Measures up ...
IR4056-21
Hioki IR4056-21 Digital Insulation Tester 1000V
Digital insulation tester with 5 test voltages: 50V, 125V, 250V, 500V, 1000V. Measures up ...
IR4057-50
Hioki IR4057-50 Digital Insulation Tester 1000V
High-speed 5-range digital insulation tester (50V–1000V, up to 4000 MΩ) with Quick Resp...
IR4053-10
Hioki IR4053-10 Digital Insulation Tester 1000V
Multi-function digital insulation tester with a dedicated PV Ω function for testing photo...
IR4059
Hioki IR4059 Digital Insulation Tester 1000V
High-speed digital insulation tester with 5 test voltages 50V–1000V to 4000MΩ and a fas...
IR5050
Hioki IR5050 Digital Insulation Tester 5000V
High voltage insulation tester with 5 test voltages up to 5000V. Measures to 10TΩ with au...
IR5051
Hioki IR5051 Digital Insulation Tester 5000V
High-voltage insulation tester for EV and solar PV systems. Tests up to 5000V DC, measures...
What is an Insulation Tester?
An insulation tester measures insulation resistance (megohms) in electrical equipment and wiring. It applies a high DC voltage (typically 500V–5000V) and measures how much current leaks through the insulation. High resistance = good insulation. Low resistance = danger (fire, shock, or equipment failure).
Why this matters: Insulation degradation causes 40% of electrical fires in India. Regular testing prevents fires, extends equipment life, and ensures compliance with safety standards for solar systems, motors, and distribution equipment.
Key advantage: A ₹20,000 investment in insulation testing can prevent a ₹5,00,000 fire. Insurance companies often discount premiums for buildings with regular insulation testing records.
Why Choose Hioki Insulation Testers?
Hioki insulation testers are trusted by electrical safety engineers across India. Here's why:
1. High Voltage Ranges (250V to 5000V)
Different equipment requires different test voltages. Hioki offers 250V, 500V, 1000V, 2500V, and 5000V options. You get the right voltage for every test—from household wiring to power transmission systems.
2. Built-in Safety & Discharge
High voltage testing is dangerous. Hioki testers automatically discharge residual voltage after testing, protecting you and preventing equipment damage.
3. Rapid Testing for Large Installations
Solar farms and industrial plants have hundreds of circuits. Hioki insulation testers test quickly and store results, reducing commissioning time dramatically.
4. Continuity Testing Built-In
Beyond insulation resistance, Hioki testers also measure continuity (resistance under 50 ohms), eliminating need for a separate continuity meter.
5. Data Logging & Reporting
Premium models log test results for compliance documentation. Critical for solar installations where you need proof of testing for inverter warranty claims.
Popular Hioki Insulation Tester Models
From handheld field testers to precision bench instruments, Hioki offers models for every application:
Insulation Testing Applications in Indian Industry
Insulation testers are mandatory across these sectors:
Solar PV Installation & Commissioning
Verify array insulation, test inverter grounding, check isolator functionality. Required for inverter warranty activation in most cases.
Electrical Wiring & Cable Testing
Test new installations before energizing, detect cable faults, verify grounding integrity. Prevents fires and reduces insurance premiums.
Motor & Transformer Testing
Check winding insulation condition, detect moisture ingress, monitor degradation over time. Prevent catastrophic motor failure.
Industrial Control Cabinet Testing
Verify insulation on control wiring, test power supply circuits, ensure safety during operation. Required before equipment startup.
Preventive Maintenance Program
Annual insulation testing on critical equipment reduces failure rates by 60%. Trending data shows degradation before failure occurs.
High Voltage Equipment Maintenance
Test distribution transformers, switchgear, and cables. Identify problems before they cause widespread outages or fires.
Frequently Asked Questions
What insulation resistance should I expect?
Is 250V sufficient for testing, or do I need higher voltage?
Can I test live circuits with an insulation tester?
Why is insulation testing important for solar systems?
How often should I test insulation?
What's the difference between insulation resistance and ground resistance?
Do you provide insulation testing services?
Buy Hioki Insulation Testers in India
Industrial Supply Syndicate is an authorized independent reseller of Hioki insulation testers in India. We stock the complete range and ship pan India with GST invoice. For bulk orders, institutional procurement, and tender requirements, please contact us for special pricing.