Measuring range limits

See “Dimensional Drawings”

Media pressure

1 ... 100 bar (14.5 … 1450 psi)
(Higher pressures on request)

Output

Current output

• Measuring range

4 … 20 mA

• Over range

20.8 mA ± 1 % (105 % ± 1 %)

• Load

• min.

100 ?

• 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, setting pulse value (meter factor) for totalized flow or heat quantity (energy) with option Y47 (e.g.: 1 pulse/kg or 1 pulse/kWh)

• 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 liquids and gases, density-compensated by temperature for saturated steam

Order option 1

Density-compensated by temperature and pressure for superheated steam

Order option 4

Gross heat meter

When the thermal energy of steam is to be measured

Order option 5

Following information is required at option Y51 to Y56

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

Density compensated by temperature and pressure for gases, wet gases

Order option 7

Wet gases

Select Y49 and enter relative humidity of process medium in %

FAD - Free Air Delivery

When the delivered air of a compressor is to be measured

Order option 8

In Y81 to Y87 add information regarding:

• Y81 Inlet suction temperature
• Y82 Atmospheric pressure
• Y83 Pressure drop at inlet suction filter
• Y84 Inlet relative humidity
• Y85 Actual compressor rotation (rpm)
• Y86 Rated compressor rotation (rpm)Rated compressor rotation (rpm)
• Y87 Relative humidity at compressor output

Mixed gases

When fluid is a gas mixture, specifiy the single gas components and their amount/concentration 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 dimensioning

Viscosity

< 10 cP

Reynold's number

10 000 … 2 300 000

Media pressure limit

Max. 100 bar (1450 psi)
Higher pressure on request (contact your local Siemens representative)

Design

Material

• Sensor/Pick-up

AISI 316L (1.4404)/AISI 316L (1.4435)

Hastelloy C22/2.4602 available on request (contact your local Siemens representative)

• Transmitter housing

Aluminum

• Sensor gaskets (Pick-up/Pressure sensor)

AISI 316L(1.4435) /FPM or FFKM

FPM (Viton) for steam and non-aggressive gases

FFKM (Kalrez) for chlorine and other aggressive gases.

(The meter is fitted with FPM/FFKM gasket only when configured with pressure sensor.)

Process connections

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

Other flanges on request (contact your local Siemens representative)

• Flange version

DN 15 … 300 (? … 12")

• Sandwich version

DN 15 … 100 (? … 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

Choose Cleaning Class1 when fluid is oxygen or contains chloride.

Certificates

X-ray and dye penetration test on pressure bearing weldings