Extech Instruments 411 Guide de l'utilisateur télécharger pdf (Page 12)

EX411-EU_ENG V4.0 5/07

General Specifications

Diode Test Test current of 1mA maximum, open circuit voltage 2.8V DC

typical

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

approximately 150

Input Impedance 10MΩ

AC Response True rms

ACV Bandwidth 50Hz to 1kHz

DCA voltage drop 200mV

Display 3 ½ digit, 2000 count LCD, 0.9” digits

Auto-Power Off 15 minutes (approximately)

Overrange indication “1” is displayed

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

negative polarity.

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; 0.2A/250V fast blow

A range; 20A/250V ceramic fast blow

Operating Temperature 5ºC to 40ºC (41ºF to 104ºF)

Storage Temperature -20ºC to 60ºC (-4ºF to 140ºF)

Operating Humidity Max 80% up to 31ºC (87ºF) decreasing linearly to 50% at

104ºF (40ºC)

Storage Humidity <80%

Operating Altitude 2000 meters (7000ft.) maximum

Weight 342g (0.753lb) (includes holster)

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

Safety For indoor use and in accordance with the requirements for

double insulation to IEC1010-1 (2001): EN61010-1 (2001)

Overvoltage Category III 600V and Category II 1000V,

Pollution Degree 2.

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Extech Instruments 411 Guide de l'utilisateur Page 12