BURKERT流量傳送器177460技術(shù)參數(shù)

Power supply

12...30 V DC, fi ltered and regulated, SELV (safety extra low

voltage) circuit with a non dangerous energy level

Voltage tolerance

±10 %

Residual ripple

< 5 %

Power consumption max.

Flow transmitter

(4...20 mA output, 2-wire operation)

0.6 W

Pulse divider

3.2 W with

(NPN/PNP output, 3-wire operation)

• 0.2 W from the device

• 1.5 W max. from the fl ow sensor*

• 1.5 W max. from the PNP/NPN output*

Ambient temperature

-10...+60°C

Frequency input

1...600 Hz

4...20 mA output

Accuracy ±1.5% of full scale

max. loop impedance: 1000 Ω at 30 V DC ;

700 Ω at 24 V DC; 100 Ω at 12 V DC

NPN/PNP output

Accuracy ±1% of measured value

1...600 Hz, "open collector", max. 50 mA

Electrical connection

Terminal strip 4 pins or male M12 connector

Housing material

Polyamide / PC

* depending on the customer confi guration