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EX520-EU_ENG V2.3 1/08

Enclosure Double molded, waterproof (IP67)

Shock (Drop Test) 6.5 feet (2 meters)

Diode Test Test current of 0.9mA maximum, open circuit voltage 2.8V DC

typical

Continuity Check Audible signal will sound if the resistance is less than 100Ω

(approx.), test current <0.35mA

Temperature Sensor Requires type K thermocouple

Input Impedance >10MΩ VDC & >10MΩ VAC

AC Response True rms

ACV Bandwidth 40Hz to 1kHz

Crest Factor ≤3 at full scale up to 500V, decreasing linearly to ≤1.5 at 1000V

Display 6,000 count backlit liquid crystal with bargraph

Overrange indication “OL” is displayed

Auto Power Off 15 minutes (approximately) with disable feature

Polarity Automatic (no indication for positive); Minus (-) sign for negative

Measurement Rate 2 times per second, nominal

Low Battery Indication “ ” is displayed if battery voltage drops below operating voltage

Battery One 9 volt (NEDA 1604) battery

Fuses mA, µA ranges; 0.8A/1000V ceramic fast blow

A range; 10A/1000V ceramic fast blow

Operating Temperature 41°F to 104°F (5°C to 40°C)

Storage Temperature -4°F to 140°F (-20°C to 60°C)

Operating Humidity Max 80% up to 87°F (31°C) decreasing linearly to 50% at 104°F

(40°C)

Storage Humidity <80%

Operating Altitude 7000ft. (2000meters) maximum.

Weight 0.753lb (342g) (includes holster).

Size 7.36” x 3.2” x 2.0” (187 x 81 x 50mm) (includes holster)

Safety This meter is intended for origin of installation use and protected,

against the users, by double insulation per EN61010-1 and

IEC61010-1 2

Edition (2001) to Category IV 600V and Category

III 1000V; Pollution Degree 2. The meter also meets UL 61010-1,

Edition (2004), CAN/CSA C22.2 No. 61010-1 2

Edition (2004),

and UL 61010B-2-031, 1

Edition (2003)

Approvals UL CE

UL Listed The UL mark does not indicate that this product has been

evaluated for the accuracy of its readings.

Extech Instruments EX520 User Manual

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