Extech Instruments 430 User Manual page 7

Diode Test
Continuity Check
Temperature Sensor
Input Impedance
AC Response
ACV Bandwidth
Display
Overrange indication
Auto Power Off
Polarity
Measurement Rate
Low Battery Indication
Battery
Fuses
Operating Temperature
Storage Temperature
Operating Humidity
Storage Humidity
Operating Altitude
Weight
Size
Safety
Test current of 0.3mA maximum,
open circuit voltage 1.5V DC typical
Audible signal will sound if the
resistance is less than 150Ω
(approx.), test current <0.7mA
Requires type K thermocouple
>7.5MΩ (VDC & VAC)
True rms
50Hz to 1kHz
4000 count backlit liquid crystal
"OL" is displayed
15 minutes (approximately)
Automatic (no indication for
positive); Minus (-) sign for negative
2 times per second, nominal
" is displayed if battery voltage
"
drops below operating voltage
One 9 volt (NEDA 1604) battery
mA, µA ranges; 0.5A/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.
7
o o
C to 60 C)
V01.02.01 7/04