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PCE-VS Rotameter
plastic rotameter for measuring flow in pipes and vents for air
 Nm3/h or water l / h , depending on model

The rotameter is an instrument to determine the flow of fluids, e.g. liquids or gases in pipes. The rotameter of the VS series operates on the principle of the body in suspension. In the rotameter's  conical plastic test tube there is a body in suspension that is lifted by the inertia of the fluid itself. How high the body in suspension reaches depends on the flow rotameter. If you increase the flow, the flow resistance increases. The suspension of the rotameter body rises and increases the body surface between the suspension and the glass tube. This decreases the flow resistance until it is identical with the sum of the strength of the suspended body weight and buoyancy. The level serves as a measure for the flow and can be read on a scale on the rotameter. Therefore, the rotameter is available in different versions. The rotameter is sent by default with a scale in l / h for water or Nm ³ / h for air. The reading of the flow is facilitated by two adjustable set-point indicators integrated into the rotameter. For more information on rotameters that detect flow please click here.

User manual for the Rotameter series PCE-VS.  EC certificate for the Rotameter series PCE-VS.  Video for the Rotameter series PCE-VS with Pitot tube.  Technical specifications for the Rotameter series PCE-VS.  Information for the Rotameter series PCE-VS.

Rotameter series PCE-VS for measuring flow in pipes and air vents for water Nm3/ho l / h or water/h.

Rotameter series PCE-VS

- Ability to read l / h Nm3 / h

- High strength

- Corrosion resistant

- High repeatability

- High reproducibility

- Range of 1.5 - 60,000 l / h

- Easy installation

- No need for any external power

- Accuracy class 4, according to VDI 3513

- For liquids and gases

- Setting the theoretical value indicators

- Floating body of PVDF (polyvinylidene fluoride)

Technical specifications

Series VS11... VS12... VS13...
    VS32... VS33...
Specificactions
Accuracy - Accuracy class 4, according to VDI 3513
Nominal precision 30 ºC PN 10
Medium temp. 0 ... 60 ºC 0 ... 100 ºC 0 ... 40 ºC
Measurement tube PA (Trogramid) PSU (Polisuifon) PVC
Floating body PVDF (Polyvinylidene fluoride)
Ring O EPDM (Ethylene Propylene Diene Type M ASTM )
Series VS1... (length = 335 mm)
Type Nominal value Range for water Range for air
0 ... 10 bar
VS 1_25A... DN25 50 - 500 l/h 1.5 - 42 Nm3/h
VS 1_25B... DN25 100 - 1,000 l/h 2.5 - 87 Nm3/h
VS 1_32C... DN32 150 - 1,500 l/h 4 - 135 Nm3/h
VS 1_32E... DN32 250 - 2,500 l/h 7 - 237 Nm3/h
VS 1_40D... DN40 200 - 2,000 l/h 6 - 174 Nm3/h
VS 1_40F... DN40 300 - 3,000 l/h 9 - 324 Nm3/h
VS 1_40G... DN40 600 - 6,000 l/h 17 - 522 Nm3/h
VS 1_50G... DN50 600 - 6,000 l/h 17 - 525 Nm3/h
VS 1_50H... DN50 1,000 - 10,000 l/h 29 - 903 Nm3/h
VS 1_50I... DN50 1,500 - 15,000 l/h 53 - 1215 Nm3/h
VS 1_65J... DN65 2,000 - 20,000 l/h 55 - 1635 Nm3/h
VS 1_65K... DN65 3,000 - 30,000 l/h 80 - 2274 Nm3/h
VS 1_65L... DN65 8,000 - 80,000 l/h - - -

Warnings:
Note the different ranges of precision air. The precise ranges can be found here
User´s manual for the Rotameter series PCE-VS.

Dimensions VS1... (L = 335 mm)

Dimensions of the Rotameter series PCE-VS.

Installation and assembly indications for the PCE-VS Rotameter
Rotameters should be installed vertically and free of tension. It is necessary to provide a route of entry and exit, input of approx. 10 x DN, output of approx. 5 x DN

G

DN

L

L1

L2

ØD

1 1/2"

25

335

341

385

60

2"

32 

335

341

393

72

2 1/4"

40

335

341

403

83

2 3/4"

50

335

339

417

103

3 1/2"

65

335

341

429

122

Series VS3... (length = 165...200 mm)

Type

Nominal value

Water range

Air range
0 ... 10 bar

VS3_10P...

DN10

1.5 - 15 l/h

0.01 - 1.8 Nm3/h

VS3_10Q...

DN10

2.5 - 25 l/h

0.2 - 3.2 Nm3/h

VS3_10R...

DN10

5 - 50 l/h

0.5 - 6.4 Nm3/h

VS3_10T...

DN10

10 - 100 l/h

0.8 - 10 Nm3/h

VS3_15S...

DN15

8 - 80 l/h

0.6 - 9.5 Nm3/h

VS3_15U...

DN15

15 - 150 l/h

1.4 - 19 Nm3/h

VS3_15V...

DN15

20 - 200 l/h

1.5 - 25 Nm3/h

VS3_25U...

DN25

15 - 150 l/h

1.0 - 21 Nm3/h

VS3_25W...

DN25

30 - 300 l/h

1.5 - 35 Nm3/h

VS3_25A...

DN25

50 - 500 l/h

3 - 60 Nm3/h

VS3_25B...

DN25

100 - 1,000 l/h

6 - 100 Nm3

Warnings:
Note the different ranges of precision air. The precise ranges can be found here
User´s manual for the Rotameter series PCE-VS.

Dimensions VS3... (L = 165...200 mm)

Dimensions of the Rotameter series PCE-VS.

Installation and assembly indications for the PCE-VS Rotameter
Rotameters should be installed vertically and free of tension. It is necessary to provide a route of entry and exit, imput of approx. 10 x DN, output of approx. 5 x DN

G DN L L1 L2 ØD
3/4" 10 165 171 199 35
1" 15  185 191 223 43
1 1/2" 25 200 206 250 60
Measuring examples with the rotameter PCE-VS

Dimensions of the Rotameter series PCE-VS.

Warnings:
Note the different ranges of precision air. The precise ranges can be found here
User´s manual for the Rotameter series PCE-VS.

Measuring tube material Nominal value Float Scale
PA Trogamid DN40 / 200 ... 20,000 Standard Water l/h and %
VS11 40D 11 W0

Order number
VS11 40D 11 W0

Delivery content
1 x rotameter series PCE-VS
Additional components
- Alarms contacts
The alarm contacts VSK2 and  VSK1 serve as external control for the flow you want to limit. They are inserted into the guide and can be adjusted to any value of the marked scale. A magnet permanently attached to the floating body opens or closes a reed switch built into the alarm contact. The switching function is stable. This means that the switching state remains active even if the magnet is removed from the contact. When installed after an alarm contact, keep in mind that you must change the standard floating body with the floating body magnet.
Voltage
max. 230 V AC
Power
max. 10 W / 12 VA
Current
max. 0,5 A
Contact resistance
200 mΩ
Isolation resistance
1,011 mΩ
Ambient temperature
0 ... 55 ºC
Protection
IP65, according to DIN 40,050
Switchover hysteresis
1-2 mm

Squeme for the Rotameter series PCE-VS.

Commutation status and order code for the Rotameter series PCE-VS.

Technical specifications for the Rotameter series PCE-VS. 

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Here you will find all the measuring instruments available at PCE Instruments.

Contact:
PCE Instruments UK Limited
Units 12/13 Southpoint Business Park
Ensign Way, Southampton
United Kingdom, SO31 4RF
Phone: +44(0) 23 809 870 30
Fax: +44(0) 23 809 870 39

Contact:
PCE Americas Inc.
711 Commerce Way suite 8
Jupiter 33458 FL
USA
Phone: +1-410-387-7703
Fax: +1-410-387-7714

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