Products

Features

· State-of-the-art-design

· Electronic counter, mass flow, volume flow indication, multiple output signals

· Integrated temperature sensor

· No straight inlets or outlets required

· Indefendent of viscosity and temperature

· High vibration resistance

· Optional; metrological type approval

· Automatic medium switch based on temperature

Benefits

· Mass flow mesurements

· Highly flexible mounting with ver small space requirements

· Reliable monitoring and flexible control of the system

· Accurate measurements

· A reliable solution with everything from a single supplier

Technical data CONTOIL® VZF/A II

Electronic display

Nominal diameter

DN mm

15

20

25

40

50

inch

½

¾

1

1½

2

Max. Medium temperature

T_max

°C

130, 180

Max. Environment temperature

°C

−25 to +70

Max. Stroge temperature

°C

−25 to +80

Protection class

rh_max

% rh

95, non condensing

IP 66 / IP 68 / IP 69

Total volume / mass

I, m³, G¹⁾

Max.3 decimals (dynamic)

kg, t, lb

Resettable volume / mass

I, m³, G¹⁾

Max.3 decimals (dynamic)

kg, t, lb

Flow rate

Max.3 decimals (dynamic)

Smallest readable amount

0.001

maximum registration capacity

8 digits

Registration time until overrun to zero at

Q_{count (m³)}

>100 years

Data preservation

by non-volatile memory (EEPROM)

Outputs

3 (2 pulse / frequency, 1 analog 4-20 mA)

freely selectable, totally independent of each other

pulse output

volume or mass pulse 0-200 pulse/sec.(50% duty cycle)

Current 4-20 mA

volume flow, mass flow or temperature signal

Frequency

Q_min, Q_max

volume flow, mass flow or temperature minimum

maximal and hystersis paramerized

Limit switch

Qlim_max, Qlim_min

allows you to set an alet  whenever predefined

flow rates are exceeded (NC/NO)

Flow meter state switch

Alarm, Error

state and on/of parameterized (NC/NO)

Electronic

Power supply

VDC

6 − 30

Quiescent current zero

mA

4

Relais output

Switching element

solid state relay (out1 & out2)

Resistance ON

Ω

≤40

Resistance OFF

MΩ

≥10

Max. Supply voltage

VDC

≤48

Max. Switching current

mA

≤50

Pulse width

ms

2-500 (dynamic)

Pulse frequency

Hz

0 - 200

Current output

Analog output

mA

4 - 20 passive

Resolution

bit

26

Max. Error

mA

±0.2

Update interval

s

<0.1 s

Maximum Load (RL)

Ω

0 to 1116. depending on external supply voltage

of the power supply unit  U-6

        _____   Ω;(e.g.: 1116O@30V)

      0.0215