Input

Measuring range limits

See “Dimensional drawings”

Media pressure

1 ... 100 bar 
(Higher pressures on request)

Output

Current output

• Measuring range

4 … 20 mA

• Over range

20.8 mA ± 1 % (105 % ± 1 %)

• Load

• min.

100 Ω

• max.

R _max = (U_{Power Supply} – 14 V)/22 mA

• Error signal

NAMUR NE 43

• Maximum output

22 mA (112.5 %)

• Multidrop mode

4 mA

Digital output

• Communication

HART

• Physical layer:

FSK

• Device category:

Transmitter

Pulse Output

(Passive pulse output, needs separate power supply. Pulse output has to be defined in the Option menu Y47 totalizer or energy unit has to be entered.
E.g.: 1 pulse/kg or 1 pulse/10 m³)

• Pulse frequency

Max. 0.5 Hz

• Power supply

Min. 24 V DC as NAMUR or

• Non-Ex version

open < 1 mA, max. 36 V, closed 100 mA, U < 2 V

• Ex version

open < 1 mA, max. 30 V, closed 100 mA, U < 2 V

Accuracy

Standard version

• For liquids

± 0.75 %

• Re ≥ 20 000

• For steam and gases

± 1 %

• Re ≥ 20 000

• For steam, gases and liquids

± 2 %

• 10 000 < Re < 20 000

Pressure and temperature compensated version

• For liquids

• 10 000 < Re < 20 000

± 2 %

• Re ≥ 20 000

± 0.75 %

• For gases and steam

• 10 000 < Re < 20 000

± 2.5 %

• Re ≥ 20 000

± 1.5 %

Repeatability

± 0.1 %

Installation conditions

(At different conditions, e.g. installation after control valve, bends or reductions, please refer to the operating instructions.)

• Inlet run

≥ 20 x DN

• Outlet run

≥ 5 x DN

Software

Uncompensated for gases, steam and liquids, but temperature-compensated for saturated steam

Select 1

Density-compensated by temperature and pressure for superheated steam, no energy calculation

Select 4

Gross heat

When the device has to operate as a energy calculation device

Select 5

In options Y51 to Y56 add information regarding:

• Y51 Variable current output
• Y52 Power unit
  Select one of the following units from power units table in Y52:
  kJ/h, MJ/h, GJ/h, Btu/h, kcal/h, kW, MW or special (custom)
• Y53 Fullscale power value
• Y54 Variable pulse output
• Y55 Totalizer on/off
• Y56 Configures for totalizer
  Select one of the following units from energy units table in Y56:
  kJ, MJ, GJ, Btu th, kcal, kWh, MWh or special (custom).

Gases and wet gases

Select 7

Wet gases

Select Y49 and enter relative humidity in %

FAD - Free Air Delivery

When the device has to operate close to a compressor

Select 8

In Y81 to Y87 add information regarding:

• Y81 Inlet suction temperature
• Y82 Atmosphere pressure
• Y83 Pressure drop filter
• Y84 Inlet relative humidity
• Y85 Actual revolutions per minute (of compressor)
• Y86 Rated rpm of compressor
• Y87 Outlet relative humidity. This information is available from compressor supplier.

Mixed gases

When the fluid is a gas mixture, make an SDR request (sheet available on intranet) and fill in gas names and amount in %

Rated operation conditions

Ambient temperature

• Non-Ex version

-40 … +85 °C (-40 … +185 °F)

• Ex version

-40 … +65 °C (-40 … +149 °F)

Storage temperature

-50 … +85 °C (-58 … +185 °F)

Media temperature

-40 … +240 °C (-40 … +464 °F)

Density

Taken into consideration when rating

Viscosity

< 10 cP

Reynold's number

10 000 … 2 300 000

Media pressure limit

Max. 100 bar
(Higher pressure on request. Make an SDR request, sheet available on intranet)

Design

Material

• Sensor: house/pick-up

1.4404 (316L)/1.4435 (316L)

Hastelloy C22 available (make an SDR request, sheet available on intranet)

• Housing: transmitter

Aluminium

Aluminium (paint petrol) for increased requirement

• Sensor gaskets: for pick-up and pressure sensor

1.4435 (316L)/FPM or FFKM

FPM (Viton®) by steam and non-aggressive gases.

FFKM (Kalrez®) by chlorine and other aggressive gases (only available together with a pressure sensor).

Process connections

Flange norm EN 1092-1 form B1/B2 or ASME B16.5 RF.

Other flanges on request. Make an SDR request, sheet available on intranet

• Flange version

DN 15 … 300 (½ … 12")

• Sandwich version

DN 15 … 100 (½ … 4")

Degree of protection

IP66/IP67

Dimensions and weights

See “Dimensional drawings”

Display and operating interface

Local display

2 lines, 10 characters per line

Languages

German, English, French

Power supply

• Standard version

14 … 36 V DC

• Ex version

14 … 30 V DC

Certificates and approvals

Explosion protection

• ATEX

II 2G EEx d ia [ia] IIC T6

• FM US/C

Class I, II, III, Div 1 & 2

Calibration

All flowmeters will be delivered with a 3 point calibration certificate

Material Certificate

Certificate of compliance, pressure test, material certificate, material in acc. of NACE and PMI of pressure bearing metal parts.

Cleaning

Choice Cleaning Class1 when fluid is oxygen or contains chloride.

Certificates

X-ray test on pressurized weldings and dye penetration test on pressure bearing weldings.