DESCRIPTION

ORDER-NO.

VA 570 flow meter with integrated 1/2“ measuring section

0695 0570

+ order code A_…R_

VA 570 flow meter with integrated 3/4“ measuring section

0695 0571

VA 570 flow meter with integrated 1“ measuring section

0695 0572

VA 570 flow meter with integrated 1 1/4“ measuring section

0695 0573

VA 570 flow meter with integrated 1 1/2“ measuring section

0695 0574

VA 570 flow meter with integrated 2“ measuring section

0695 0575

VA 570 flow meter with integrated DN 15 measuring section with flange

0695 2570

VA 570 flow meter with integrated DN 20 measuring section with flange

0695 2571

VA 570 flow meter with integrated DN 25 measuring section with flange

0695 2572

VA 570 flow meter with integrated DN 32 measuring section with flange

0695 2573

VA 570 flow meter with integrated DN 40 measuring section with flange

0695 2574

VA 570 flow meter with integrated DN 50 measuring section with flange

0695 2575

VA 570 flow meter with integrated DN 65 measuring section with flange

0695 2576

VA 570 flow meter with integrated DN 80 measuring section with flange

0695 2577

Further accessories:

Closing cap for measuring section in aluminium

0190 0001

Closing cap for measuring section stainless steel 1.4404

0190 0002

Connection cable for sensors 5 m with open ends

0553 0108

Connection cable for sensors 10 m with open ends

0553 0109

Ethernet connection cable length 5 m, M12 plug x-coded (8 poles) to RJ 45 plug

0553 2503

Ethernet connection cable length 10 m, M12 plug x-coded (8 poles) to RJ 45 plug

0553 2504

Mains unit in wall housing for maximum 2 sensors of the series VA/FA 5xx,100-240 V, 23 VA, 50-60 Hz / 24 VDC,

0.35 A

0554 0110

ISO calibration certificate at 5 measuring points for VA sensors

3200 0001

Additional calibration point for volume flow (point freely selectible)

0700 7720

CS Service Software VA 550 incl. interface cable to PC (USB) and power supply –

for configuration / parametrization of VA 550

0554 2007

PNG cable screwing – standard VA 550/570

0553 0552

PNG cable screwing – for ATEX version VA 550/570

0553 0551

TECHNICAL DATA VA 570

Measuring range VA 570:

up to 50 Nm/s, Low Speed version* up to 92,7 Nm/s, Standard version* up to 185 Nm/s, Max version*

up to 224 Nm/s, High Speed version*

• Measuring range Nm³ / h for different pipe diameters and gases, see table measuring ranges flow

• All measurements related to

DIN 1343 standard conditions 0 ° and 1013 mbar ex works

Accuracy:

± 1.5 % of m.v. ± 0.3 % of f.s.

accuracy class

on request

(m.v.: of meas. value)

± 1.0 % of m.v. ± 0.3 % of f.s.

(f.s.: of full scale)

Accuracy indications:

referred to ambient temperature 22 °C

± 2°C, system pressure 6 bar

Repeatability:

0.25 % of m.v. in case of correct moun- ting (mounting aid, position,

inlet section)

Measuring principle:

Thermal mass flow sensor

Response time:

t90 < 3 s

Operating temperature range probe tube/display unit:

-40…180 °C probe tube

-40…70 °C display unit

-40…120 °C for ATEX version

Adjustment possibilities via display, external hand-held meter PI 500, PC Service Software, remote diagnosis:

Nm³/h, Nm³/min, Nl/min, l/s, ft/min, cfm, kg/h, kg/min, inside diameter, reference conditions ° C/° F, mbar/hPa, zero point correction, low flow cut off, scaling Analog output

4 … 20 mA, pulse/alarm, error codes etc.

Outputs:

Standard: 1 x 4 … 20 mA analog output (not electrically isolated), pulse output, RS 485 (Modbus RTU)

Optional: 2 x 4 … 20 mA active, Mod- bus TCP, HART, Profibus DP, Profinet, M-Bus

Burden:

< 500 Ohm

Additional average value calculation:

for all parameters freely adjustable from 1 minute up to 1 day, e. g. 1/2 hours average value, average day value

Protection class :

IP 67

Material:

Housing aluminium die cast, probe tube stainless steel 1,4571

Operating pressure:

16 bar, in special version 40 bar

Power supply:

18…36 VDC, 5 W

Approval:

ATEX II 2G Ex d IIC T4, DVGW