Extech EX530A-NIST Heavy Duty True RMS Multimeter

The Extech EX530A-NIST is the precision-grade, NIST-calibrated version of the EX530A heavy duty True RMS digital multimeter, combining 50,000-count resolution, ±0.06% basic DCV accuracy, and a full suite of advanced measurement functions with documented NIST-traceable calibration for use in regulated aviation maintenance, calibration laboratory, and quality management environments. When measurement precision and calibration documentation are both required, for FAA Part 145 compliance, military calibration programs, or ISO 9001 quality audits, the EX530A-NIST provides the highest-accuracy handheld digital multimeter option in the Extech professional line.

Key Features

• NIST Calibration Certificate included, establishes measurement traceability for the most demanding aviation maintenance compliance requirements
• 50,000-count display with ±0.06% basic DCV accuracy for near-bench-grade precision in a field instrument
• True RMS for accurate measurements on non-sinusoidal aircraft electrical waveforms
• CAT IV-600V safety rating with IP67 waterproof and dustproof housing
• 4-20mA loop current function for analog signal diagnostics in avionics and aircraft process control circuits
• LoZ input, low-pass filter, and 1000V input protection for comprehensive safety and accuracy
• 20A AC/DC current capacity, dual-sensitivity frequency, and 2-meter drop protection

Specifications

• DC Voltage: up to 600V
• AC Voltage: up to 600V (True RMS)
• DC/AC Current: up to 20A
• 4-20mA Loop Current: Yes
• Duty Cycle: 0.1% to 99.9%
• Display: 50,000-count backlit LCD
• Basic DCV Accuracy: ±0.06%
• True RMS: Yes
• LoZ Function: Yes
• Low-Pass Filter: Yes
• Input Protection: 1000V
• Calibration: NIST Certificate Included
• Safety Rating: CAT IV-600V
• IP Rating: IP67 (Dustproof/Waterproof)
• Drop Proof: 2m (6.5 ft)

Applications

The EX530A-NIST is the definitive choice for avionics calibration facilities, FAA-certificated repair stations, and precision MRO operations that require both the highest measurement accuracy and NIST-traceable documentation for regulated test equipment management. The NIST certificate provides the initial calibration record required for entry into formal calibration control programs and satisfies documentation requirements for FAA, military, and ISO quality audits. For aviation maintenance organizations where test equipment calibration is tracked and audited, the EX530A-NIST delivers the complete combination of field-ready precision, rugged durability, and compliance documentation in a single professional-grade instrument.

Need Your Extech EX530A-NIST Calibrated?

• PJi operates an ISO/IEC 17025 Accredited Calibration Lab and provides NIST-traceable calibration for the Extech EX530A-NIST at purchase.
• Documentation satisfies FAA Part 145, ISO 9001, and AS9100 requirements.
• PJi is the one-stop source: instrument and certificate in one transaction.

Why Buy from Pilot John International?

• Pilot John International is an authorized Extech distributor with an in-house ISO/IEC 17025 Accredited Calibration Lab.
• One-stop source for Extech instruments and NIST-traceable calibration in a single transaction.
• We serve aviation maintenance, FAA Part 145 repair stations, and industrial MRO facilities.
• Full-catalog availability and same-business-day shipping on in-stock items.