Extech Instruments EX430A User Manual page 14

Function
Frequency
Duty Cycle
Temp
(type-K)
NOTE: Accuracy specifications consist of two elements:
Diode Test
Continuity Check
Temperature Sensor
Input Impedance
AC Response
ACV Bandwidth
Display
Over-range 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
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Range
5.000Hz
50.00Hz
500.0Hz
5.000kHz
50.00kHz
500.0kHz
5.000MHz
10.00MHz
Sensitivity: 0.8V rms min. @ 20% to 80% duty cycle and <100kHz; 5Vrms min @ 20% to 80% duty
cycle and > 100kHz.
0.1 to 99.9%
-20 to 750C
-4 to 1382F
 (% reading) – This is the accuracy of the measurement circuit.
 (+ digits) – This is the accuracy of the analog to digital converter.
Test current of 0.3mA maximum, open circuit voltage 1.5V DC typical
Audible signal will sound if the resistance is less than 150 (approx.),
test current <0.7mA
Requires Type-K thermocouple
>7.5MΩ (VDC & VAC)
True rms
50Hz to 1kHz
4000 count backlit LCD
"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; 500mA/600V ceramic fast blow
A range; 10A/600V ceramic fast blow
5ºC to 40ºC (41ºF to 104ºF)
o
-20 C to 60
Max 80% up to 31ºC (87ºF) decreasing linearly to 50% at 40ºC(104ºF)
<80%
2000 meters (7000ft) maximum.
342g (0.753lb) (includes holster).
187 x 81 x 50mm (7.36" x 3.2" x 2.0") (includes holster)
For indoor use and in accordance with the requirements for double
insulation to IEC 61010-1 (EN 61010-1), 2010, 3
Overvoltage Category III 600V, Pollution Degree 2.
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Resolution
0.001Hz (1.5% reading + 5 digits)
0.01Hz
0.1Hz
0.001kHz
(1.2% reading + 2 digits)
0.01kHz
0.1kHz
0.001MHz
(1.5% reading + 4 digits)
0.01MHz
(1.2% reading + 2 digits)
0.1%
Pulse width: 100µs - 100ms, Frequency: 5Hz to 150kHz
(3.0% reading + 3 digits)
1C
(probe accuracy not included)
1F
o o o
C (-4 F to 140 F)
14
Accuracy
rd edition for
EX430A-en-GB_v6.0 7/16
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