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Quick Details

  • Place of Origin: Beijing, China (Mainland)
  • Brand Name: VIRVO
  • Model Number: LF502
  • Accuracy: Liquid:± 0.75% of reading, Gases and steam: ± 0.1% of reading
  • Repeatability: ± 0.2% of indication
  • Stability: ± 0.2%/per year
  • Environment Temperature: -25~+85℃(-13~+185℉)
  • Humidity: 10~85%RH
  • Signal Output: Analog, Pulse, HART
  • Power Supply: 12~32V DC
  • Power Consumption: ≤1W
  • Sealing Material: EPDM
  • Color: Cover: dark blue, Housing: light gray

Packaging & Delivery

Packaging Details: Neutral cartons/package: size and the product weight will be determined by the buyer's different design requirement. If we get the detail data of your required product, we will tell you size and the product weight as soon as possible /standard factory package.
Delivery Detail: Seven working days for delivery or according to users' needs

Specifications

flange type digital vortex flow meter/steam flow meter
1.DN:15-300mm
2.Measured medium:Liquid,gases,steam
3.High performance

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Brief introduction:

     Vortex flow meter is an instrument that placing a non-streamlined vortex generating body in fluid to alternately separate the fluid in the body sides and release two bunches of regular staggered vortex, and the frequency of separating vortex is directly proportional to flow in a certain range. It is researched and produced based on the principle of the Karman Vortex Street, and has characteristics of high accuracy and small pressure loss. Our flange type vortex flowmeter (LF502) has better performance and functions.

steam flow meter/flow meter

Features:

1,It has the functions of resetting cumulative flow and recovering data.

 

2,Its backlight LCD can let users clearly read results under direct sunlight or in dim room.

 

3,It can display instantaneous flow, cumulative flow and alarm status.

 

4,Available rotated 90 degree around the display from the standard position to meet visibility requirement that a flow meter is installed in different location.

 

5,Conform to the CE mark and the RoHS compliant.

steam flow meter/flow meter

Operating Environment:

Parameters

Integrated Structure

Split-type Structure

Applicable Medium:

Liquid, gases, steam

Medium Temperature:

-40 ~ 200°C(-40 ~ 392°F)

-40 ~ 420°C(-40 ~ 788°F)

Environment Temperature:

-25 ~ 85°C(-13 ~ 185°F)

Gauge Body Temperature:

-40 ~ 110°C(-40 ~ 230°F)

Humidity(%RH):

10~85

Transportation and Storage:

-40 ~ 85°C(-40 ~ 185°F)

steam flow meter/flow meter

Performance Index:

 

 

Accuracy:

Liquid:± 0.75% of reading

Gases and steam: ± 0.1% of reading

Note: These values are the accuracy of pulse output, if there is analog output, the above values need to plus ± 0.15% of full scale.

Repeatability:

± 0.2% of indication

Stability:

± 0.2%/per year

Effect of Environment Temperature:

Has no effect on digital and pulse output

For analog output, ± 0.15% of range(-25 ~ 85°C)

Effect of Installation Location:

When the instrument is installed in horizontal, vertical, or sloped pipe, it can meet accuracy index.

 

Magnetic Interference:

HART Analog: in the case of 30A/m, the output error is less than ± 0.15% of full scale, in line with the IEC60770-1984

Effect of Power Supply:

HART Analog: less than 0.005% of full scale/ per volt

steam flow meter/flow meter

Physical Index:

Housing Material:

Aluminum alloy (ADC12)

Glass:

Toughened glass (thickness 10mm)

Nameplate Material:

Aluminum (thickness 0.5mm)

Screw Material:

304

Sealing Material:

EPDM

Oil Paint:

Standard: Acrylic baking resin

Anti-corrosion: EPOXY

Color:

Cover: dark blue

Housing: light gray

steam flow meter/flow meter

Electrical Specifications:

Power Supply:

12~32V DC

Signal Output:

Analog, Pulse, HART

Damping Time:

0~64s

 

Indicator:

Can display flow value, temperature and accumulated flow at the same time by percentage or engineering units

Can be adjusted 90 degrees to the left or right

 

Self-diagnostic and Alarm:

If it occurs hardware fault of CPU or EEPROM, outrange signal output, EEPROM error, or abnormal state of vibration noise, congestion or bubbles and so on, there will be alarm output signal and displayed on the display.

Power Consumption:

Less than 1W

steam flow meter/flow meter

Some pictures of our assembling workshop are as following, for more details, please contact us.

 

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