CalCard Electrical Calibration Check Card Insulation & Continuity Resistance Test Card for Multimeters, Insulation Resistance Testers, PAT Testers, Socket Testers, Voltage Multifunction Testers

• APPROVED CALIBRATION verification FOR ELECTRICAL TESTERS – Ensure your electrical testers stay accurate with this CalCard Calibration Check Card, designed to verify insulation resistance, continuity readings and multimeter performance. Ideal for electricians using PAT testers and multifunction testers.
• ACCURATE INSULATION & CONTINUITY VERIFICATION – Includes precision-set resistance values for checking insulation resistance and continuity accuracy before every job. Perfect for maintaining reliable readings on insulation resistance testers, continuity testers, multimeters and essential electrical testing equipment.
• DURABLE, PROFESSIONAL-GRADE CONSTRUCTION – Built with laminated materials and recessed gold-plated pads for long-lasting accuracy, stable probe contact and corrosion resistance. Compact credit-card size fits easily into tool bags and meter cases, ensuring convenient on-site calibration checks.
• SUPPORTS ONGOING CALIBRATION & COMPLIANCE – Ideal for identifying meter drift, worn leads and inaccurate readings before safety testing. A must-have accessory for PAT testers, continuity testers and multifunction testers used in domestic, commercial or industrial work.
• ESSENTIAL TOOL FOR ELECTRICIANS & ENGINEERS – Designed for professionals who require consistent, trustworthy readings from test meters, multimeters, insulation testers and circuit testers. Helps improve testing confidence, accuracy and compliance across all electrical inspection and maintenance tasks.

Keep your test instruments accurate and reliable with the CalCard Electrical Calibration Check Card — the essential tool for electricians, engineers and professionals who depend on precise readings. Designed for insulation resistance testers, continuity testers, multimeters, socket testers, PAT testers and full multifunction testers, this compact device provides quick, repeatable reference values that help verify your equipment before every job. Using the CalCard allows you to spot meter drift, worn leads, poor probe contact or inaccurate readings early, helping prevent errors during electrical testing. The card includes carefully selected insulation-resistance and low-ohm continuity values, giving you a trusted baseline to compare against. By checking your instrument regularly, you maintain confidence in readings when testing circuits, protective devices, appliances and installations. Engineered with a robust laminated construction, the CalCard features recessed, gold-plated contact pads that protect against corrosion and ensure consistent contact with tester probes. Its credit-card size fits comfortably in any tool pouch, test meter case or pocket, making it an ideal accessory for professionals working across domestic, commercial and industrial environments. This calibration card supports ongoing verification between formal calibrations, helping meet industry expectations for maintaining test meter accuracy. Whether you use a multimeter, insulation resistance tester, circuit tester, voltage tester, RCD tester or any multifunction tester, the CalCard gives you the reassurance that your equipment continues to perform correctly. Easy to use, reliable and extremely portable, the CalCard is a cost-effective solution that supports safe working practices and more accurate electrical testing. It is an essential tool for electricians wanting dependable results from their testing equipment every day, on every installation.