Extech Instruments Announces an Extended Family of Digital Multimeters


Extech Instruments, a major supplier of test and measurement equipment for the industrial marketplace, announces an innovative family of 12 digital multimeters, comprised of the 300 Series, the 400 Series and the 500 Series. With powerful and exclusive built-in features and functions combined with rugged designs, Extech offers a multimeter for any application.

Extech’s 300 Series of dual function digital multimeters features built-in AC voltage detection. Easy-to-operate and conveniently-sized, Extech’s 300 Series is ideal for basic electrical troubleshooting.. Featuring a non-contact voltage detector combined with a fully-featured digital multimeter, the user can quickly and conveniently check for the presence of a live circuit prior to attaching the multimeter’s test leads to the device under test. Extech’s 300 Series includes three models: the EX310, EX320 and EX330.

Extech’s 400 Series of digital multimeters features a top-of-the-line AC/DC True RMS model (EX470) incorporating Extech’s patented, built-in, non-contact, InfraRed temperature measurement capability. The 400 Series is an extensive line of six meters (EX410, EX411, EX420, EX430, EX450 and EX470) with models ranging from a basic, 8 function manual ranging meter (EX410) to a fully featured, 11 function, autoranging, True RMS meter with built-in IR thermometer. The 400 Series has a low current capability down to 0.1µA and easy-to-read 1 inch digits on a backlit display.

Extech’s 500 Series is ruggedly designed and waterproof to IP67 standards, making them ideal for use in the outdoors, in marine applications, and in harsh industrial environments. The 500 Series has a double-molded housing, a safety rating of CAT IV 600V and CAT III 1000V and is drop-proof up to six feet.. This series includes the EX510, EX520 and EX530, with all models capable of measuring voltage, resistance, electrical and electronic frequency functions, and DC/AC current. Each model also features a 1000V input protection for all functions, dual sensitivity frequency functions, and diode open circuit voltage of 2.8V DC. The top-of-the-line EX530 has a 40,000 count display, 0.01uA DC low current capability with Peak Hold functionality.


• Display Counts - 40,000 count • Averaging/True RMS - True RMS • Basic Accuracy - 0.06% • DC/AC Current - 0.01μA to 20A • Resistance - 0.01Ωto 40MΩ • Capacitance - 0.001nF to 40mF • Duty Cycle - 0.1 to 99.90%
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