Extech Instruments 411 User Manual page 6

Specifications
Diode Test
Continuity Check
Input Impedance
AC Response
ACV Bandwidth
DCA voltage drop
Display
Auto-Power Off
Overrange indication
Polarity
Measurement Rate
Low Battery Indication
Battery
Fuses
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Weight
Size
Safety
Test current of 1mA maximum, open
circuit voltage 2.8V DC typical
Audible signal will sound if the
resistance is less than approximately
150Ω
10MΩ
True rms
50Hz to 1kHz
200mV
3 ½ digit, 2000 count LCD, 0.9" digits
15 minutes (approximately)
"1" is displayed
Automatic (no indication for positive
polarity); Minus (-) sign for negative
polarity.
2 times per second, nominal
" is displayed if battery voltage
"
drops below operating voltage
One 9 volt (NEDA 1604) battery
mA, µA ranges; 0.2A/250V fast blow
A range; 20A/250V ceramic fast blow
41ºF to 104ºF (5ºC to 40ºC)
o o
-4 F to 140 F (-20
Max 80% up to 87ºF (31ºC)
decreasing linearly to 50% at
104ºF(40ºC)
<80%
7000ft. (2000meters) maximum.
0.753lb (342g) (includes holster).
7.36" x 3.2" x 2.0" (187 x 81 x 50mm)
(includes holster)
For indoor use and in accordance with
the requirements for double insulation to
IEC1010-1 (1995): EN61010-1 (1995)
Overvoltage Category III 600V and
Category II 1000V, Pollution Degree 2.
6
o o
C to 60 C)
V4.0 5/07