DESCRIPTION

ORDER-NO.

VA 500 flow sensor in basic version:

Standard (92.7 m/s), probe length 220 mm, without display

0695 5001

Bi-directional measurement – includes 2 x 4 … 20 mA analog outputs and 2x pulse outputs. These are not available for Ethernet (PoE) and M-Bus interface

Z695 6000

Options for VA 500:

Display

Z695 5000

Max version (185 m/s)

Z695 5003

High Speed version (224 m/s)

Z695 5002

Low speed version (50 m/s)

Z695 5008

1 % Accuracy of m.v. ± 0,3 % of f.s.

Z695 5005

Ethernet-Interface for VA500/520 and FA500

Z695 5006

Ethernet-Interface PoE for VA500/520 and FA500

Z695 5007

M-Bus board for VA500/520 and FA500

Z695 5004

Probe length 120 mm

ZSL 0120

Probe length 160 mm

ZSL 0160

Probe length 300 mm

ZSL 0300

Probe length 400 mm

ZSL 0400

Probe length 500 mm

ZSL 0500

Probe length 600 mm

ZSL 0600

ISO calibration certificate (5 calibration points) for VA sensors

3200 0001

Gas type:      (specify type of gas when ordering)

Z695 5009

Gas mixture:      (specify gas mixture when ordering)

Z695 5010

Real gas calibration

3200 0015

Special cleaning oil and grease-free (e. g. oxygen application)

0699 4005

Silicone-free version incl. cleaning free of oil and grease

0699 4007

Additional calibration curve stored in the sensor (selectable via display)

Z695 5011

Certificate of origin

Z695 5012

TECHNICAL DATA VA 500

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

Adjustable via keypad:

Diameter for volume flow calculati- on, counter resettable

Sensor:

Thermal mass flow sensor

Measuring medium

Air, gases

Gas types are adjustable over CS service software or CS data logger:

Air, nitrogen, argon, helium, CO2, oxygen, vacuum

Measure range:

See table page 75

Accuracy:

(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.

Operating temperature:

-30…110 °C probe tube

-30…80 °C housing

Operating pressure:

-1…50 bar

Digital output:

RS 485 interface (Modbus-RTU), Optional:

Ethernet-Interface PoE), M-Bus

Analog output:

4…20 mA for m³/h e. g. l/min;

Pulse output:

1 Pulse per m³ or per liter galvani- cally isolated. Pulse value can be set on the display. Alternatively, the pulse output can be used as an alarm relay

Supply:

18…36 VDC, 5 W

Burden:

< 500 Ω

Housing:

Polycarbonate (IP 65)

Probe tube:

Stainless steel, 1.4301 Mounting length 220 mm, Ø 10 mm

Mounting thread:

G 1/2“

Ø Casing:

65 mm

Mounting position:

any