Extech Instruments EX540 Guía de usuario descargar pdf (Pagina 16)

16 EX540-EU-EN V1.4-3/11

Function Range Resolution Accuracy

400Ω 0.01Ω ±(0.3% reading + 9 digits)

4kΩ 0.0001kΩ

40kΩ 0.001kΩ

400kΩ 0.01kΩ

4MΩ 0.001MΩ

±(0.3% reading + 4 digits)

Resistance

40MΩ 0.001MΩ ±(2.0% reading + 10 digits)

40nF 0.001nF

400nF 0.01nF

±(3.5% reading + 40 digits)

4μF 0.0001μF

40μF 0.001μF

400μF 0.01μF

±(3.5% reading + 10 digits)

4000µF 0.1µF

Capacitance

40mF 0.001mF

±(5% reading + 10 digits)

40Hz 0.001Hz

400Hz 0.01Hz

4kHz 0.0001kHz

40kHz 0.001kHz

400kHz 0.01kHz

4MHz 0.0001MHz

40MHz 0.001MHz

±(0.1% reading + 1 digits)

100MHz 0.01MHz Not specified

Frequency

(electronic)

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

min @ 20% to 80% duty cycle and > 100kHz.

40.00HZ-4KHz 0.01HZ to

0.001KHz

±(0.5% reading)

Frequency

(electrical)

Sensitivity:5Vrms

0.1 to 99.90% 0.01%

±(1.2% reading + 2 digits)

Duty Cycle

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

-58 to 1382°F 0.1°F

Temp

(type-K)

-50 to 750°C 0.1°C

±(1.0% reading + 4.5°F)

±(1.0% reading + 2.5°C)

(probe accuracy not included)

-25 to 125% 0.01% ±50 digits 4-20mA%

0mA=-25%, 4mA=0%, 20mA=100%, 24mA=125%

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.

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Extech Instruments EX540 Guía de usuario Pagina 16

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