Multimeters

Waterproof and dustproof (IP67) rugged design for heavy duty use with CAT IV-600 V safety rating The EX5xxA Series offers a range of high-performance True RMS industrial multimeters, each designed to meet specific needs in electrical testing. This series includes the EX505A, EX520A, and EX530A, all featuring a CAT IV-600 V safety rating and an IP67 waterproof and dustproof rating, making them ideal for demanding work environments. All models in the EX5xxA Series come with double-molded test leads, a 9 V battery, magnetic hanging strap, temperature probe, carrying case, and a 3-year warranty. They are designed for electricians, HVAC technicians, and benchtop technicians who require accuracy, durability, and safety in their electrical testing equipment.

True RMS for reliable measurements on non-sine waveforms.
CAT IV–600 V electrical safety rating ensures maximum protection.
1000 V input protection across all measurement functions.
Measures AC/DC voltage up to 1000 V, AC/DC current, resistance, capacitance, frequency, duty cycle, temperature, diode, and continuity.
Includes double-molded test leads for enhanced durability.
Waterproof and dustproof with IP67 rating.
Drop-tested to withstand up to 2 meters (6.5 feet).
Supplied complete with test leads, magnetic hanging strap, Type K bead wire temperature probe, carrying case, and 9 V battery.

Model Highlights

EX505A: 6,000 count display, ±0.09% accuracy, 10 A max current.
EX520A: 6,000 count display, ±0.09% accuracy, 20 A max current, includes Low Pass Filter and LoZ function.
EX530A: 50,000 count high-resolution display, ±0.06% accuracy, 20 A max current, includes Low Pass Filter and LoZ function.

Model	EX505A	EX520A	EX530A
True RMS	Yes	Yes	Yes
Display Counts	6000	6000	50000
Basic Accuracy	±0.5%	±0.09%	±0.06%
DC Voltage	0.01 mV–1000 V	0.1 mV–1000 V	0.01 mV–1000 V
AC Voltage	0.01 mV–1000 V	1 mV–1000 V	0.01 mV–1000 V
DC Current	0.1 µA–10 A	0.1 µA–10 A	0.01 µA–10 A
AC Current	0.1 µA–10 A	0.1 µA–10 A	0.01 µA–10 A
Resistance	0.1 Ω–60 MΩ	0.1 Ω–40 MΩ	0.01 Ω–50 MΩ
Capacitance	0.01 nF–99.99 mF
Frequency (Electrical)	0.001 Hz–10 MHz
Frequency (Electronic)	0.01 Hz–1 kHz	0.01 Hz–1 kHz	0.001 Hz–1 kHz
Type K Temperature	-20°C to 760°C	-45°C to 760°C	-45°C to 760°C
Duty Cycle	0.1–99.9%	0.1–99.9%	0.1–99.9%
LoZ / LPF	—	Yes / Yes	Yes / Yes
Backlight / Bar Graph	Yes / —	Yes / Yes	Yes / Yes
Waterproof	IP67
Drop Proof	2 m (6.5 ft)
Safety Category	CAT IV–600 V
Operating Temperature	0°C–50°C (32°F–122°F)
Dimensions	183 × 83 × 55 mm (7.1 × 3.2 × 2.1 in)
Weight	365 g	375 g	380 g
Warranty	3 years