TECHNICAL DATA VA 525

Parameters:

m³/h, l/min (1000 mbar, 20 °C) in case of compressed air resp. Nm³/h, Nl/min (1013 mbar, 0°C) in case of gases

Units adjustable via

keys at display:

m³/h, m³/min, l/min, l/s, ft/min, cfm, m/s, kg/h, kg/min, g/s, lb/min, lb/h

Sensor:

Thermal mass flow sensor

Meas medium:

Air, gases

Gas types over

Air, nitrogen, argon, CO2, oxygen

CS Service Software or

CS Datalogger

adjustable:

Measuring range:

See table above

Accuracy:

± 1,5 % of m. v. ± 0,3 % of f. s.

(f. M. = from the mea-

By request:

sured value)

± 1 % of m. v. ± 0,3 % of f. s. or

(f. E. = from end value)

± 6 % of m. v. ± 0,5 % of f. s.

Pressure measure- ment:

0...16 bar, accuracy: 1%

Operating temp.:

-30...80 °C

Operating pressure:

Up to 16 bar

Digital output:

RS 485 interface (Modbus RTU),

M-Bus (optional) Ethernet interface or

PoE

Analog output:

4...20 mA for m³/h resp. l/min

Pulse output:

1 pulse per m³ or per liter galvanically isolated. Pulse value adjustable on the display.

Alternatively, the pulse output can be used as an alarm relay.

Power supply:

18...36 VDC, 5 W

Burden:

< 500 Ω

Housing:

Polycarbonate (IP 65)

Meas. section:

Aluminium

Mounting thread meas.

section:

G 1/4“ to G 2“ (BSP British standard piping) resp. 1/2“ to 2“ NPT-thread

Mounting position:

Any