EX503

The EX503 Waterproof 600V Multimeter from EXTECH is a versatile and robust testing tool designed for electrical professionals and technicians. This multimeter offers a high voltage rating of 600 volts, making it suitable for use in various industrial and electrical applications.

The waterproof feature of this multimeter sets it apart from many others in its class. With a rating of CAT III 600V, CAT IV 600V, and IP67, the EX503 is fully submersible and can withstand being immersed in water for up to 30 minutes. This makes it an ideal choice for testing in harsh environments, such as construction sites, power plants, or outdoor installations.

The EX503 multimeter comes with a large, backlit LCD display that ensures easy and clear reading of measurement results, even in low-light conditions. It offers a wide range of measurement functions, including DC voltage, AC voltage, current, resistance, continuity, frequency, and capacitance. The multimeter also includes a minimum-maximum memory function, which records and displays the lowest and highest readings, making it especially useful for troubleshooting intermittent faults.

The multimeter's ergonomic design includes a large, rubberized grip for a comfortable hold, and it features a protective rubber boot that shields the device against impacts and drops. The test leads are also well-insulated and resilient, ensuring safe and reliable use.

The EX503 Waterproof 600V Multimeter comes with a comprehensive set of accessories, including test leads, probes, an alligator clip lead, and a protective pouch. It also includes a 2-year warranty and a user manual with clear instructions and diagrams for easy operation.

In summary, the EXTECH EX503 Waterproof 600V Multimeter is a high-performance and rugged testing tool, perfect for electrical professionals and technicians who require a reliable and versatile multimeter for use in challenging environments. Its waterproof feature, high voltage rating, and extensive measurement functions make it a valuable addition to any toolkit.

The Extech EX503 is a waterproof 600V multimeter, which makes it an ideal choice for professionals who work in harsh environments or around high-voltage circuits. Here are some pros and cons of buying this multimeter:

1. Waterproof design: The EX503 is waterproof, making it a suitable option for use in wet or humid conditions. It can be submerged in water up to 3 feet (1 meter) for up to 30 minutes without causing any damage.

2. High voltage measurement: This multimeter can measure up to 600V AC and DC, which is essential for professionals working on high-voltage circuits.

3. Large backlit display: The EX503 features a large backlit display that makes it easy to read the measurements in various lighting conditions.

4. True RMS measurement: This multimeter can measure the true RMS value of AC signals, ensuring accurate readings even for non-sinusoidal waves.

5. Data hold function: The data hold function allows users to lock in a measurement and view it even when the multimeter is off.

6. Auto power off: To save battery life, the EX503 has an auto power off feature that turns off the multimeter after a certain period of inactivity.

1. Size and weight: Compared to other multimeters in its class, the EX503 is relatively large and heavy, making it less portable than some other options.

2. Price: The EX503 is more expensive than some other multimeters on the market, which may not be within everyone's budget.

3. Limited input jack configuration: The EX503 has a limited number of input jacks, which may not be suitable for users who need to measure multiple parameters simultaneously.

The Extech EX503 is a robust and feature-rich multimeter that is ideal for professionals working in harsh environments or around high-voltage circuits. Its waterproof design, high voltage measurement capability, and large backlit display are some of its standout features. However, its size and weight, limited input jack configuration, and higher price point may be drawbacks for some users. Ultimately, if you require a multimeter for heavy-duty use in challenging conditions, the EX503 is an excellent investment. On the other hand, if you need a more portable and budget-friendly option, there are other multimeters on the market that may better suit your needs.

Details:

Color multi color. Item weight 0.35 kilograms. Power source battery powered. Brand Extech.

Item dimensions l x w3.25 2.25 7.25 inches. Extech EX503 waterproof 600v industrial multimeter. Double molded for waterproof ip67 protection.

Dual sensitivity frequency functions.

specifications testmultimeters:

• brand: Extech
• mpn: Ex503
• part type: Multimeter

payments testmultimeters:

• credit card: diners-club
• wallet: paypal
• other

shipping testmultimeters:

• class: standard
• carrier: usps
• transit: 3-7 days
• service: usps ground advantage
• type: calculated

returns testmultimeters:

• policy: no returns

seller testmultimeters:

• rating: 99.8%
• city: dumfries, virginia
• # reviews: 5661

general testmultimeters:

• category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters

offer testmultimeters:

• best offers: true
• options: ship-to-home
• sold #: 7
• availability: in stock
• prices: $30.00–$77.00
• item condition:
  • New
  • New – Open box
• started: february 25, 2026
• in stock #: 5

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