VMR_img_09psd.png
VMR-125-XTD

Type VMR with control component XTD

VMR_img_08psd.png

VMR with control component BTD

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Type VMR with control component ELAB TCU3

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Tested to VDI 6022

Tested to VDI 6022

VMR_img_09psd.png
VMR_img_08psd.png
VMR-ELAB_gc_01psd.png
VDI6022_gs_01ai.png

VMR    

For the measurement of volume flow rates in ducts


Circular volume flow rate measuring device for recording or monitoring the volume flow rate

  • Manual volume flow rate measuring
  • Permanent volume flow rate measuring
  • Recording of measured values for other controllers or for the LABCONTROL air management system
  • Effective pressure transducer for the automatic recording of measured values, factory assembled
  • With wiring and tubing
  • Casing leakage according to EN 15727, Class C

 

Optional equipment and accessories

  • With flanges on both ends
  • Lip seal
  • Dynamic or static effective pressure transducer

General Information

Application

  • Circular volume flow rate measuring units for the manual or automatic measuring of volume flow rates
  • Simplified commissioning, approval and maintenance
  • Suitable for permanent installation because of low differential pressure
  • Optional static effective pressure transducer for systems with contaminated air


Special features

  • Suitable for permanent installation because of low differential pressure
  • High measurement accuracy (even with upstream bend R = 1D)


Nominal sizes

  • 100, 125, 160, 200, 250, 315, 400 mm


Variants

  • VMR: Volume flow rate measuring unit
  • VMR-FL: Volume flow rate measuring unit with flanges on both ends


 Construction

  • Galvanised sheet steel
  • P1: Powder-coated, silver grey (RAL 7001)
  • A2: Stainless steel



Parts and characteristics

  • Ready-to-commission unit which consists of the mechanical parts and optional effective pressure transducers
  • Averaging differential pressure sensor for volume flow rate measurement
  • Optional effective pressure transducers, factory-assembled and wired
  • High measurement accuracy of volume flow rates (even with bend R = 1D).



Attachments

  • Dynamic effective pressure transducer (BTD, XTD)
  • Static effective pressure transducer (BTS, XTS)
  • LABCONTROL: Components for air management systems



Accessories

  • G2: Matching flanges for both ends
  • D2: Double lip seals on both ends (factory fitted)



Construction features

  • Circular casing
  • Spigot suitable for circular ducts to EN 1506 or EN 13180
  • Spigots with groove for seal
  • TVR-FL: Flanges to EN 12220



Materials and surfaces

Galvanised sheet steel construction

  • Casing and damper blade made of galvanised sheet steel
  • Aluminium sensor tubes


Powder-coated construction (P1)

  • Casing made of galvanised sheet steel, powder-coated
  • Sensor tubes made of aluminium, powder-coated


Stainless steel construction (A2)

  • Casing, damper blade and shaft made of stainless steel 1.4301
  • Sensor tubes made of aluminium, powder-coated



Standards and guidelines

Fulfils the hygiene requirements of

  • EN 16798, Part 3
  • VDI 6022, Sheet 1
  • DIN 1946, Part 4
  • Further standards, guidelines in accordance with hygiene certificate

Casing leakage

  • EN 1751, Class C


Maintenance

  • Maintenance-free as construction and materials are not subject to wear


Description

Variants

  • VMR: Volume flow rate measuring unit
  • VMR-FL: Volume flow rate measuring unit with flanges on both ends



Parts and characteristics

  • Ready-to-commission unit which consists of the mechanical parts and optional effective pressure transducers
  • Averaging differential pressure sensor for volume flow rate measurement
  • Optional effective pressure transducers, factory-assembled and wired
  • High measurement accuracy of volume flow rates (even with bend R = 1D).



Attachments

  • Dynamic effective pressure transducer (BTD, XTD)
  • Static effective pressure transducer (BTS, XTS)
  • LABCONTROL: Components for air management systems






Nominal sizes

  • 100, 125, 160, 200, 250, 315, 400 mm



Technical information

  • Function
  • TECHNICAL DATA
  • SPECIFICATION TEXT
  • ORDER CODE
VMR with control component XTS VMR-XTS_gc_01ai.png

1: Effective pressure sensor
2: Measuring transducer
3: Casing


The volume flow rate 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 measuring transducer (effective pressure transducer).


Nominal sizes100 – 400 mm
Volume flow rate range

34 – 6279 m³/h bzw. 10 – 1744 l/s

Maximum differential pressure

1000 Pa

Effective pressure range

Approx. 2 – 260 Pa *

Measurement accuracy

5 – 16 %

Operating temperature10 to 50 °C

* 260 Pa of the nominal volume flow rate

Specification text

Circular volume flow rate measuring unit for the measurement of volume flow rates in ventilation and air conditioning systems, available in 7 nominal sizes. For manual volume flow rate measurement 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, hence resistant to contamination.


Special features

  • Suitable for permanent installation because of low differential pressure
  • High measurement accuracy (even with upstream bend R = 1D)

Materials and surfaces

Galvanised sheet steel construction

  • Casing made of galvanised sheet steel
  • Aluminium sensor tubes

P1: Powder-coated construction (P1)

  • Casing made of galvanised sheet steel, surface powder coated, silver (RAL 7001)
  • Sensor tubes made of aluminium, powder-coated

A2: Stainless steel construction (A2)

  • Casing made of stainless steel 1.4301
  • Sensor tubes made of aluminium, powder-coated


Connection

Spigot with groove for lip seal, 
suitable for ducts to EN 1506 or EN 13180

  • FL: Flanges on both ends according to EN 12220

Technical data

  • Nominal sizes: 100 to 400 mm
  • Volume flow rate range: 34 – 6279 m³/h or 10 – 1744 l/s
  • Effective pressure range: approx. 2 – 260 Pa
  • Measurement accuracy: 5 – 16 %
  • Operating temperature: 10 to 50 °C   
  • Casing air leakage to EN 1751, Class C


Equivalence criteria

  • Declaration of hygiene conformity in accordance with VDI 6022, Part 1 (01/2018), ÖNORM H 6020 (02/2007) and ÖNORM H 6021 (09/2003)
  • Acoustic data determined in accordance with ÖNORM EN ISO 5135
  • The test report of the factory parameterisation, functional test and adjustment under air by reference measurement on a regularly validated test rig in accordance with DIN EN ISO 9001 is provided

VMR –P1 – FL / 160 / G2 / BTD / 0
|||||||
1234567
1 Type
VMR Circular volume flow rate measuring unit
 
2 Material
No entry required: Galvanised sheet steel
P1 Powder-coated RAL 7001, silver grey
A2 Stainless steel construction
 
3 Flange
No entry required: None
FL Flanges on both ends
 
4 Nominal size [mm]
100, 125, 160, 200, 250, 315, 400
 
5 Accessories
No entry required: None
D2 Lip seals on both ends
G2 Matching flanges both sides
 
6 Attachments (effective pressure transducer)
No entry required: None
XTD dynamic effective pressure transducer, analogue, display
BTD dynamic effective pressure transmitter, analogue, and MP-Bus, Modbus RTU, BACnet MS/TP
XTS static effective pressure transducer, analogue, display
BTS static effective pressure transmitter, analogue, and MP-Bus, Modbus RTU, BACnet MS/TP
 
7 Signal voltage range
Only required if attachment is selected
For the actual value signal
0 0 – 10 V DC
2 2 – 10 V DC

Order example 1: VMR-P1-FL/315/G2/XTS/0
MaterialPowder-coated, RAL 7001, silver grey
Duct connectionFlanges on both ends
Nominal size315 mm
AccessoriesMatching flanges on both ends
Attachments (effective pressure transducer)Static effective pressure transducer with display
Signal voltage range Actual value signal0 – 10 V DC



 

Downloads

product information

  • Product data sheet Type VMR

    VMR_PD_2026_01_22_DE_en Product data sheet 710 KB pdf

  • Product data sheet control component XTS

    XTS_PD_2022_02_21_DE_en Poduct data sheet 680 KB pdf

certificates

  • Certificate concerning statistical leakage tests

    LC_v1_2024_10_DE_en Certificate  660 KB pdf

  • Certificate Statement Type VMR

    Certificate 130 KB pdf

  • Declaration of incorporation 

    66 KB pdf

operation manuals

  • VMR Assembly and operating instructions

    VMR_IOM_CD10028_V2_2024_01_GB_en 1,5 MB pdf

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