VA 570 - Flow meter | CS Instrument Viet Nam

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:

accuracy class

(m.v.: of meas. value)

(f.s.: of full scale)

± 1.5 % of m.v. ± 0.3 % of f.s.

on request

± 1.0 % of m.v. ± 0.3 % of f.s.

Accuracy indications: referred to ambient temperature 22 °C

± 2°C, system pressure 6 bar

Repeatability: 0.25 % of m.v. in case of correct mounting (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, Modbus 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