Extech Instruments 430 Guía de usuario descargar pdf (Pagina 14)

EX430-EU-EN v5.5 08/13

Function Range Resolution Accuracy

Frequency

5.000Hz 0.001Hz

(1.5% reading + 5 digits)

50.00Hz 0.01Hz

500.0Hz 0.1Hz

(1.2% reading + 2 digits)

5.000kHz 0.001kHz

50.00kHz 0.01kHz

500.0kHz 0.1kHz

5.000MHz 0.001MHz

(1.5% reading + 4 digits)

10.00MHz 0.01MHz

Sensitivity: 0.8V rms min. @ 20% to 80% duty cycle and <100kHz; 5Vrms min @ 20% to 80% duty

cycle and > 100kHz.

Duty Cycle 0.1 to 99.9% 0.1%

(1.2% reading + 2 digits)

Pulse width: 100µs - 100ms, Frequency: 5Hz to 150kHz

Temp

(type-K)

-20 to 750C 1C (3.0% reading + 3 digits)

(probe accuracy not included)

-4 to 1382F 1F

NOTE: Accuracy specifications consist of two elements:

 (% reading) – This is the accuracy of the measurement circuit.

 (+ digits) – This is the accuracy of the analog to digital converter.

Diode Test Test current of 0.3mA maximum, open circuit voltage 1.5V DC typical

Continuity Check Audible signal will sound if the resistance is less than 150 (approx.),

test current <0.7mA

Temperature Sensor Requires type K thermocouple

Input Impedance >7.5MΩ (VDC & VAC)

AC Response True rms

ACV Bandwidth 50Hz to 1kHz

Display 4000 count backlit liquid crystal

Overrange indication “OL” is displayed

Auto Power Off 15 minutes (approximately)

Polarity Automatic (no indication for positive); Minus (-) sign for negative

Measurement Rate 2 times per second, nominal

Low Battery Indication “ ” is displayed if battery voltage drops below operating voltage

Battery One 9 volt (NEDA 1604) battery

Fuses mA, µA ranges; 0.5A/250V fast blow

A range; 20A/250V ceramic fast blow

Operating Temperature 5ºC to 40ºC (41ºF to 104ºF)

Storage Temperature -20

C to 60

C (-4

F to 140

Operating Humidity Max 80% up to 31ºC (87ºF) decreasing linearly to 50% at 40ºC(104ºF)

Storage Humidity <80%

Operating Altitude 2000 meters (7000ft) maximum.

Weight 342g (0.753lb) (includes holster).

Size 187 x 81 x 50mm (7.36” x 3.2” x 2.0”) (includes holster)

Safety For indoor use and in accordance with the requirements for double

insulation to IEC1010-1 (2001): EN61010-1 (2001) Overvoltage

Category III 600V and Category II 1000V, Pollution Degree 2.

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