Extech Instruments MN25 User Manual page 6

Display
Overrange indication
Diode Test
Continuity Check
Battery Test current
Input Impedance
ACV Bandwidth
DCA voltage drop
Polarity
Measurement Rate
Low Battery Indication
Battery
Fuses
Operating Temperature 41ºF to 104ºF (5ºC to 40ºC)
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Weight
Size
Safety
3 ½ digit, 2000 count LCD, 0.5" digits
"1" is displayed
Test current of 1mA maximum, open
circuit voltage 2.8V DC typical
Audible signal will sound if the
resistance is less than approximately
30Ω
9V (6mA); 1.5V (100mA)
>1MΩ
45Hz to 450Hz
200mV
Automatic (no indication for positive
polarity); Minus (-) sign for negative
polarity.
2 times per second, nominal
'BAT' is displayed if battery voltage
drops below operating voltage
9 Volt Battery
mA, µA ranges; 0.2A/250V fast blow
A range; 10A/250V fast blow
o o
-4 F to 140 F (-20
Max 80% up to 87ºF (31ºC) decreasing
linearly to 50% at 104ºF (40ºC)
< 80%
7000ft. (2000) meters maximum.
9.17 oz. (260g).
4.78 x 2.38 x 1.57" (121.5 x 60.6 x
40mm)
For indoor use and in accordance with
Overvoltage Category II, Pollution
Degree 2. Category II includes local
level, appliance, portable equipment,
etc., with transient overvoltages less
than Overvoltage Category III.
6
o o
C to 60 C)
MN25 Version 2.2 Aug 2003