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Flow Meter
Metal tube rotameter
Published:2017-03-13 | Browse: 507 timesClose this page

Digital Rotameter

Specifications

1.Small volume
2. Borad measuring
3.Convenience for use
4. Measuring liquid ,gas and vapor flow

Introduction

The series metal tube rotameter is a kind of measuring meter which the flow rate is changing along with the area and is widely used in the process control of industrial automation. It has the merit of little volume, broad measuring range and conveniencefor use. It can be used to measure liquid, gas and vapor flow especially fits for the flow rate measurement of low flow velocity and little flow rate.


The series metal tube rotameter also has local indication type and smart remote type with a pointer LCD displaying instantaneous/ accumulated flow rate, upper-limit and lower-limit alarm output, accumulative pulse output, batch control, standard two-wire4-20mA current output, ect. Additionally, this instrument employs advanced microprocessing central chip and high-quality industrialized components of Motorola corporation to ensure the good performances of flowmeters in all applicational fields.

For many years metal tube rotameter are well received by many industries such aspetrochemical, steel and iron, electric power, metallurgy, light industry, food, pharmacy and water processing.

MAIN FEATURES

Firm work, little maintenance and long life
1.Low requirements to straight pipe part
2.Broader ratio of flow rate 10:1
3.Two-wire LCD indicator; instant/accumulated display of flow rate are available; backlight option.
4.Single axis and sensitive display
5.Rotation of non-contact magnetic coupling
6.Can be applied to hazardous occasions such as flammable and explosive ones
7.All-metal structure, fit for high temperature, high pressure and mediums with strong erosion.
8.power supply such as two-wire system, battery, alternating current option
9.Multi-parameters calibration function
10.Function of date recovery, date copy and power-off protection

TECHNICAL PARAMETERS

1.Measuring range : water ( 20°C) 1- 200000 I/h Air ( 20°C, 0.1013 Mpa) 003-4000m3/h Make reference to flow rate sheet, order for special flow rate
2.Ratio of spans : standard type 10 : 1 special type 20 : 1
3.Accuracy : standard type class1.5 special type class1.0
4.Pressure Class : standard type : DN15-DN50 4.0Mpa DN80 –DN200 1.6Mpa
Special type : DN15-DN50 25Mpa DN80 –DN200 16Mpa
Pressure class of clamp cover is 11.6 Mpa

Contact the plant for special type before choosing the type and ordering
5.Pressure loss : 7kPa-70kPa
6.Medium temperature : standard type : -80°C~ + 200°C : PTFE : 0°C~ 85°C
High temperature type : at most 400°C
7.Medium viscosity : DN 15 : < 5mPa.s ( F15.1-F15.3 ) < 30mPa.s ( F15.4-F15.8 )
DN 25 : < 250mPa.s
DN 50-DN 150 : < 300mPa.s
8.Ambient temperature : liquid crystal type –30°C~+85°C Pointer type –40°C~ +120°C
9.Connection forms: standard type: DIN 2510 standard flange Special type : flange and
thread appointed by users of any standard
10.Cable interface : M20 × 1.5
11.Power Supply : standard type : 24V DC two-wire 4~20 mA ( 10.8 VDC ~ 36 VDC)

Alarm output : upper limit and lower limit instant flow rate alarm
Standard type: collect electrode open circuit output ( at most 100mA30VDC inner impedance
100Ω) Special type : relay output ( contact capacity at most 5A 250 VAC )
12.pulse output: accumulated pulse output, least interval 50 milliseconds
13.Liquid crystal display: indication range of instant flow rate : 0-50000
14.Indication range of accumulated flow rate : 0-99999999
15.Protection class : IP65
16.Explosion-proof symbols: intrinsically safe ia II CT6
Explosion separation type d II CT6

 
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