Type VME

For the measurement of volume flow rates in ducts

Rectangular volume flow rate measuring units for the recording or monitoring of volume flow rates

  • Manual volume flow rate measuring
  • Permanent volume flow rate measuring
  • Recording of measured values for other controllers or for the LABCONTROL air management system
  • Suitable for airflow velocities of up to 10 m/s
  • Pressure transducer for the automatic recording of measured values, factory assembled and complete with wiring and tubing
  • Casing air leakage to EN 15727, up to class C

Volume flow rate measuring unit, variant VME, with differential pressure transducer 00137028_0


  • Application
  • Description

Application

  • Rectangular volume flow rate measuring units Type VME for the manual recording or automatic measuring of volume flow rates
  • Simplified commissioning, approval and maintenance
  • Suitable for permanent installation because of low differential pressure

Special features

  • Measurement accuracy ± 5 % even with unfavourable upstream conditions
  • Effective pressure range: approx. 8 – 200 Pa
  • Low differential pressure of only about  17 – 32 % of the measured effective pressure

Nominal sizes

  • 39 nominal sizes from 200 × 100 to 1000 × 1000

Construction

  • Galvanised sheet steel
  • P1: Powder-coated, silver grey (RAL 7001)

Parts and characteristics

  • Ready-to-commission unit which consists of the mechanical parts and an optional pressure transducer
  • Averaging differential pressure sensor for volume flow rate measurement
  • Optional factory-assembled pressure transducers complete with wiring and tubing
  • High measurement accuracy

Attachments

  • Dynamic differential pressure transducer
  • Static differential pressure transducer
  • LABCONTROL: Components for air management systems

Construction features

  • Rectangular casing
  • Flanges on both sides, suitable for duct connection
  • Connecting nipple for tubes with 6 mm inside diameter

Materials and surfaces

Galvanised sheet steel construction

  • Casing made of galvanised sheet steel
  • Aluminium sensor tubes


Powder-coated construction (P1)

  • Casing made of galvanised sheet steel, powder-coated

Standards and guidelines

  • Casing air leakage to EN 15727, class C (B + H) ≤ 400, class B)

Maintenance

  • Maintenance-free as construction and materials are not subject to wear
  • Zero point correction of the static differential pressure transducer should be carried out once per year (recommendation)

Technical information

Function, Technical data, Specification text, Order code, Produktbeziehungen

  • Function
  • Technical data
  • Specification text
  • Order code

Functional description

The measuring unit is fitted with an effective pressure sensor for measuring the volume flow rate.

The effective pressure is either measured and evaluated manually, or transformed into an electric signal by a pressure transducer.

Nominal sizes

200 x 100 – 1000 x 1000

Volume flow rate range

45 – 10100 l/s or 162 – 36360 m³/h

Measurement accuracy

± 5 % of the measured value

Effective pressure range

Approx. 5 – 250 Pa

Measuring unit differential pressure (pressure loss)

17 – 32 % of the measured effective pressure

Operating temperature

10 – 50 °C




Rectangular volume flow rate measuring unit for the measurement of volume flow rates in air conditioning systems, available in 39 nominal sizes.

For the manual volume flow rate measuring or for the permanent monitoring of the actual value signal.

Ready-to-commission unit which consists of the casing with an averaging differential pressure sensor.

Differential pressure sensor with 3 mm measuring holes (resistant to dust and pollution)

Both ends suitable for the connection of air duct profiles.

Casing air leakage to EN 15727, class B.

Special features

  • Measurement accuracy ± 5 % even with unfavourable upstream conditions
  • Effective pressure range: approx. 8 – 200 Pa
  • Low differential pressure of only about  17 – 32 % of the measured effective pressure

Materials and surfaces

Galvanised sheet steel construction

  • Casing made of galvanised sheet steel
  • Aluminium sensor tubes


Powder-coated construction (P1)

  • Casing made of galvanised sheet steel, powder-coated

Construction

  • Galvanised sheet steel
  • P1: Powder-coated, silver grey (RAL 7001)

Technical data

  • Nominal sizes: 200 × 100 to 1000 × 1000
  • Volume flow rate range: 45 to 10100 l/s or 162 to 36360 m³/h
  • Effective pressure range: approx. 5 – 250 Pa
  • Measuring unit differential pressure (pressure loss): 17 – 32 % of the measured effective pressure
  • Operating temperature: 10 to 50 °C

Attachments

Volume flow rate measurement with static differential pressure transducer emitting an actual value signal for integration into the central BMS.

  • Supply voltage 24 V AC/DC
  • Signal voltages 0 – 10 V DC or 2 – 10 V DC
  • EASYLAB: Integration using either 0 – 10 V DC signals or expansion modules (LonWorks, BACnet MS/TP, Modbus RTU)

Sizing data

  • V _______________________ [m³/h]

This specification text describes the general properties of the product. Texts for variants can be generated with our Easy Product Finder design programme.

Order example: VME/600×400/B10/E0

Nominal size

600 × 400 mm

Differential pressure transducer

Dynamic

Actual value signal

0 – 10 V


Order example: VME/600×400/B10/E0

Nominal size

600 × 400 mm

Differential pressure transducer

Dynamic

Actual value signal

0 – 10 V


 

Variants, Attachments, Dimensions and weight, Product details

  • Variants
  • Attachments
  • Dimensions and weight
  • Product details

VME, VARYCONTROL differential pressure transducers

Order code detail Differential pressure transducer Measurement principle

Universal



B10

Universal controller with integral differential pressure transducer TROX/Belimo

Dynamic

BB0

Universal controller with separate differential pressure transducer TROX/Belimo

Static


VME, LABCONTROL differential pressure transducers

Order code detail Differential pressure transducer Measurement principle

EASYLAB



ELAB

EASYLAB TCU3 (recording of measured values for EASYLAB system)

Static


Anbauteile: VARYCONTROL Regelkomponenten

Regel- größe Schnittstelle Vmin -/ Vmax - Verstellung Differenzdruck- transmitter Stellantrieb Fabrikat


Easylabregler


Statisch



Elab

RS, RE, PC, C

TCU3


Integriert

Schnelllaufender Stellantrieb


Elab

RS, PC, C

TCU3


Integriert

Schnelllaufender Stellantrieb


Elab

RE, PC, C

TCU3


Integriert

Schnelllaufender Stellantrieb


Elab

RS, RE, PC, FH, C

TCU3


Integriert

Schnelllaufender Stellantrieb




Elektronischer Regler


Statisch

Elektronischer Regler


TMA

RS, RE, PC

TCU-LON-II mit LonWorks-Schnittstelle


Integriert

Schnelllaufender Stellantrieb


TMB

RS, RE, PC

TCU-LON-II mit LonWorks-Schnittstelle


Integriert

Schnelllaufender Stellantrieb (bürstenloser Motor)


TMA

RS, RE,

TCU-LON-II mit LonWorks-Schnittstelle


Integriert

Schnelllaufender Stellantrieb


TMB

RS, RE,

TCU-LON-II mit LonWorks-Schnittstelle


Integriert

Schnelllaufender Stellantrieb (bürstenloser Motor)


TMA

RE ,PC

TCU-LON-II mit LonWorks-Schnittstelle


Integriert

Schnelllaufender Stellantrieb


TMB

RE ,PC

TCU-LON-II mit LonWorks-Schnittstelle


Integriert

Schnelllaufender Stellantrieb (bürstenloser Motor)


TMA

RS, RE ,PC, FH

TCU-LON-II mit LonWorks-Schnittstelle


Integriert

Schnelllaufender Stellantrieb


TMB

RS, RE ,PC, FH

TCU-LON-II mit LonWorks-Schnittstelle


Integriert

Schnelllaufender Stellantrieb (bürstenloser Motor)


























































XF3

Δp



Integriert, 600 Pa

Federrücklaufantrieb

BB3

V



Separates Bauteil

Stellantrieb

① TROX, ② TROX/Belimo, ③ TROX/Gruner, ④ Sauter, ⑤ Siemens

☒ Bestellschlüsseldetail, V Volumenstrom, Δp Differenzdruck


VME 00187295_0


VME

Nominal size
Nominal width
mm
BN
Nominal height
mm
HN
B1
mm
B2
mm
H1
mm
H2
mm
m
kg
200 × 100 200 100 234 276 134 176 5.0
300 × 100 300 100 334 376 134 176 6.0
400 × 100 400 100 434 476 134 176 7.0
500 × 100 500 100 534 576 134 176 8.0
600 × 100 600 100 634 676 134 176 10.0
200 × 200 200 200 234 276 234 276 6.0
300 × 200 300 200 334 376 234 276 7.0
400 × 200 400 200 434 476 234 276 8.5
500 × 200 500 200 534 576 234 276 10.0
600 × 200 600 200 634 676 234 276 11.0
700 × 200 700 200 734 776 234 276 12.5
800 × 200 800 200 834 876 234 276 13.5
300 × 300 300 300 334 376 334 376 8.0
400 × 300 400 300 434 476 334 376 9.5
500 × 300 500 300 534 576 334 376 11.0
600 × 300 600 300 634 676 334 376 12.0
700 × 300 700 300 734 776 334 376 13.5
800 × 300 800 300 834 876 334 376 14.5
900 × 300 900 300 934 976 334 376 16.0
1000 × 300 1000 300 1034 1076 334 376 17.0
400 × 400 400 400 434 476 434 476 10.5
500 × 400 500 400 534 576 434 476 11.5
600 × 400 600 400 634 676 434 476 13.0
700 × 400 700 400 734 776 434 476 14.5
800 × 400 800 400 834 876 434 476 15.5
900 × 400 900 400 934 976 434 476 17.0
1000 × 400 1000 400 1034 1076 434 476 18.0
500 × 500 500 500 534 576 534 576 14.0
600 × 500 600 500 634 676 534 576 16.0
700 × 500 700 500 734 776 534 576 17.5
800 × 500 800 500 834 876 534 576 19.5
900 × 500 900 500 934 976 534 576 23.0
1000 × 500 1000 500 1034 1076 534 576 20.5
600 × 600 600 600 634 676 634 676 17.0
800 × 600 800 600 834 876 634 676 20.0
1000 × 600 1000 600 1034 1076 634 676 23.0
800 × 800 800 800 834 876 834 876 22.0
1000 × 800 1000 800 1034 1076 834 876 25.0
1000 × 1000 1000 1000 1034 1076 1034 1076 27.0


Detail of flange 00135868_0
① Flange
② Compressible seal, to be provided by others


Installation details, Commissioning, Basic information and nomenclature

  • Installation details
  • Commissioning
  • Basic information and nomenclature

Installation and commissioning

  • Any installation orientation (except units with static differential pressure transducer)
  • Note the upstream and downstream conditions
  • Static differential pressure transducer: Check zero point and correct, if necessary

Upstream conditions

The volume flow rate accuracy ΔV applies to a straight upstream section of the duct. Bends, junctions or a narrowing or widening of the duct cause turbulence that may affect measurement. Duct connections, e.g. branches off the main duct, must comply with EN 1505. Some installation situations require straight duct sections upstream.

Space required for commissioning and maintenance

Sufficient space must be kept clear near any attachments to allow for commissioning and maintenance. It may be necessary to provide sufficiently sized inspection access openings.

Space required

Attachments
Attachments mm

Without attachments

200

H

200

VARYCONTROL




Universal controller

300

H

300

LABCONTROL




EASYLAB

500

H

400

H: Unit height


Calculation conditions

  • The volume flow rate is calculated based on the measured effective pressure.
  • The effective pressure is measured using an electronic manometer or an inclined tube manometer
  • Air density ρ = 1.2 kg/m³

Given data

  • VME/400 × 200
  • Δpw = 100 Pa (manometer reading of effective pressure)
  • Volume flow rate V [m³/h]

Unit data

  • K value from table: K = 216 m³/h (60 l/s)

Principal dimensions

ØD [mm]

VAV terminal units made of stainless steel: Outer diameter of the spigot

VAV terminal units made of plastic: Inside diameter of the connecting spigot

ØD₁ [mm]

Pitch circle diameter of flanges

ØD₂ [mm]

Outer diameter of flanges

ØD₄ [mm]

Inside diameter of the screw holes of flanges

L [mm]

Length of unit including connecting spigot

L₁ [mm]

Length of casing or acoustic cladding

B [mm]

Duct width

B₁ [mm]

Screw hole pitch of flange (horizontal)

B₂ [mm]

Outside dimension of flange (width)

B₃ [mm]

Width of device

H [mm]

Duct height

H₁ [mm]

Screw hole pitch of flange (vertical)

H₂ [mm]

Outside dimension of flange (height)

H₃ [mm]

Unit height

n [ ]

Number of flange screw holes

T [mm]

Flange thickness

m [kg]

Weight including attachments for the automatic differential pressure measurement

Nomenclature

Vnom [m³/h] and [l/s]

Nominal volume flow rate (100 %)

Vmin [m³/h] and [l/s]

Volume flow rate

ΔV [± %]

Volume flow rate accuracy

K value  [m³/h] and [l/s]

Unit-related constant for air density 1.2 kg/m³

Δpw [Pa]

Effective pressure

Δpst [%]

Static differential pressure in relation to the measured effective pressure

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Contact

Thank you for your message!

Visual contact Visual contact

Your message is send and will be processed shortly.
Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +971 4 3417448 | Fax: +971 4 3417449