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Precision Insulation Resistance Tester with Advanced Features
Inaccurate insulation readings can lead to significant costs from equipment failures and system malfunctions. This expert-grade insulation tester provides reliable measurements you can count on, ensuring your electrical systems remain safeguarded through accurate and immediate insulation resistance evaluations.

This sophisticated testing device efficiently measures AC and DC voltage from 10 to 600V with exceptional accuracy. Simply connect the provided leads and choose your desired voltage range. The smart circuitry assesses insulation resistance while automatically correcting any measurement inaccuracies.
Featuring a vibrant HD display, it shows readings up to 2000 counts, ensuring clarity in all lighting conditions. Instantly save and review up to 100 measurements, including essential Polarization Index and Absorption Ratio for a thorough examination of insulation quality.

But wait, there's more! The durable silicone cover offers protection in challenging work settings. A handy back bracket allows for hands-free use during prolonged testing. Plus, the intelligent power management system includes automatic shutoff and battery status monitoring.
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COMPREHENSIVE TESTING FUNCTIONALITY: Accurately measures AC/DC voltage and insulation resistance with user-friendly single button operation.
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ENHANCED DATA CAPABILITIES: Stores up to 100 measurements for immediate access, including PI and DAR calculations for in-depth analysis.
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STURDY BUILD: Silicone casing combined with back bracket ensures resilience and convenient hands-free testing.
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PROFESSIONAL ACCESSORIES: Comes with alligator clips, shielding wire, and high-precision test leads for trustworthy outcomes.
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ERROR PREVENTION TECHNOLOGY: Signal shielding technology minimizes measurement mistakes and curtails electrical interference.
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OPTIMAL DISPLAY: High-definition 2000 count screen with backlight guarantees clear visibility in any environment.
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SAFETY MEASURES: Equipped with an auto discharge feature and ongoing battery monitoring for safe usage.
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THOROUGH EVALUATION: Assesses insulation integrity, moisture impact, and aging through comprehensive resistance testing.

PRECISION INSULATION RESISTANCE TESTER SPECIFICATIONS
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Display Type: HD Backlit LCD
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Resolution: 2000 Count
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AC Voltage Range: 10 to 600V
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DC Voltage Range: 10 to 600V
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AC Accuracy: ±(1%+5d)
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DC Accuracy: ±(0.8%+5d)
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Circuit Current: 1.8mA
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Storage Capacity: 100 Sets
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Body Material: Silica Gel/ABS
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Lead Material: PVC/Brass
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Safety Features: Auto Discharge
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Protection: Impact Resistant
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Analysis Functions: PI and DAR
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Data Functions: Hold and Store
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Testing Modes: AC/DC/Insulation
PACKAGE INCLUDES:
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1 x Precision Insulation Resistance Tester
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1 x Test lead
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1 x Alligator clip
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1 x Signal Shielding Wire
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1 x Storage bag
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1 x Instruction Manual
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1 x Packing box

Frequently asked questions
Quick answers about ordering from Couje. More detail on our full FAQ page.
How much does shipping cost, and how long does it take?
Shipping is free on every order — no minimum. Orders are typically delivered within 4–12 business days (processing included), and every order includes tracking. Full details are in our Shipping Policy.
What is your return policy?
You can return items within 30 days of delivery. Once your return is received and inspected, we process your refund to the original payment method. See our Return & Refund Policy for the full process.
How do I track my order?
As soon as your order ships, we email you a tracking number. You can follow your delivery at any time on our Track Your Order page.
How can I reach customer service?
Email us at support@couje.com or use our contact form. Our team is available Monday – Friday: 09:00 AM – 05:00 PM EST and replies within 24 hours. Saturday – Sunday: closed.
