Extech Instruments 411 User Manual page 12

General Specifications
Test current of 1mA maximum, open circuit voltage 2.8V DC
Diode Test
typical
Audible signal will sound if the resistance is less than
Continuity Check
approximately 150
10MΩ
Input Impedance
True rms
AC Response
50Hz to 1kHz
ACV Bandwidth
200mV
DCA voltage drop
3 ½ digit, 2000 count LCD, 0.9" digits
Display
15 minutes (approximately)
Auto-Power Off
"1" is displayed
Overrange indication
Automatic (no indication for positive polarity); Minus (-) sign for
Polarity
negative polarity.
2 times per second, nominal
Measurement Rate
Low Battery Indication "
voltage
One 9 volt (NEDA 1604) battery
Battery
mA, µA ranges; 0.2A/250V fast blow
Fuses
A range; 20A/250V ceramic fast blow
Operating Temperature 5ºC to 40ºC (41ºF to 104ºF)
-20ºC to 60ºC (-4ºF to 140ºF)
Storage Temperature
Max 80% up to 31ºC (87ºF) decreasing linearly to 50% at
Operating Humidity
104ºF (40ºC)
<80%
Storage Humidity
2000 meters (7000ft.) maximum
Operating Altitude
342g (0.753lb) (includes holster)
Weight
187 x 81 x 50mm (7.36" x 3.2" x 2.0") (includes holster)
Size
For indoor use and in accordance with the requirements for
Safety
double insulation to IEC1010-1 (2001): EN61010-1 (2001)
Overvoltage Category III 600V and Category II 1000V,
Pollution Degree 2.
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" is displayed if battery voltage drops below operating
12 EX411-EU_ENG
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V4.0 5/07