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EX411A-en-GB_v5.0   6/16 

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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

10M

 

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/600V fast blow 
A range; 10A/600V 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 40ºC (104ºF)

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 IEC 61010-1 (EN61010-1) 3

rd

 edition (2010); Overvoltage

Category III 600V; Pollution Degree 2.

Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176

 TestEquipmentDepot.com 

Summary of Contents for EX411A

Page 1: ...EXTECH USER MANUAL INSTRUMENTS True RMS Multimeter Extech EX411A Al TO HOI DRB 41 CE Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 TestEquipmentDepot com...

Page 2: ...er must refer to the manual for further information This symbol adjacent to a terminal indicates that under normal use hazardous voltages may be present Double insulation This WARNING symbol indicates...

Page 3: ...Resistance or Continuity tests Voltage checks on electrical outlets can be difficult and misleading because of the uncertainty of connection to the recessed electrical contacts Other means should be...

Page 4: ...600V DC AC 200Vrms on 200mV range mA DC 200mA 600V fast acting fuse A DC 10A 600V fast acting fuse 30 seconds max every 15 minutes Ohms Continuity 250Vrms for 15sec max 2 USE EXTREME CAUTION when work...

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Page 9: ...al will sound If the circuit is open the display will indicate c11n DIODE TEST 1 Insert the black test lead banana plug into the negative COM jack and the red test lead banana plug into the positive d...

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Page 11: ...5 reading 3 digits AC Current A AC True rms 50 to 400Hz 400Hz to 1kHz 200mA 0 1mA 1 8 reading 8 digits 2 5 reading 10 digits 10A 0 01A 3 0 reading 8 digits 3 5 reading 10 digits Resistance 200 0 1 0...

Page 12: ...on is displayed if battery voltage drops below operating voltage Battery One 9 volt NEDA 1604 battery Fuses mA A ranges 0 2A 600V fast blow A range 10A 600V ceramic fast blow Operating Temperature 5 C...

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Page 14: ...er 5 Lift the center circuit board straight up from the connectors to gain access to the fuse holders 6 Gently remove the old fuse and install the new fuse into the holder 7 Always use a fuse of the p...

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