Huai'an Kehao Automation Instrument Co., Ltd
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Working principle of LZ rotor flowmeter
Brief description: The working principle of the rotary flowmeter (metal tube rotary flowmeter) is a variable area flow measurement instrument. It has
Product details

Working principle of rotor flowmeterFloat flow meters have both on-site display and intelligent remote transmission types. The intelligent remote transmission type adopts high-performance computer chips, multiple signal outputs, advanced data storage, with data recovery and backup to ensure data security.

Working principle of rotor flowmeterAccording to the different measurement tube structures, the KHW5 series metal tube float flowmeter is divided into KHW50, KHW51, KHW52, and KHW53 types. Different measurement tube forms can be selected according to different user requirements, which further improves maintenance and cleaning.

Float flowmeter does not have high requirements for straight pipe section, with a wider range ratio of 10:1 and a measurement range of water (20 ℃) 1-200000L/h; Air (20 ℃, 0.1013MPa) 0.03-4000m ³/h

Characteristics of float flowmeter

  • Single axis sensitive indication, non-contact magnetic coupling capability.
  • Two wire system, battery, and AC power supply options are available.
  • Suitable for high temperature, high pressure, and strongly corrosive media.
  • Multi parameter calibration function, accuracy: 1.0% F.S, 1.5% F.S

Flow meter selection and specification table

Selection Guide: KHW5-A-B-C-D-E

Measurement tube structure A

Liquid receiving material B

Pipeline diameter C

Additional Structure D

0

R0

0Cr18Ni12Mo2Ti

Rp

PTFE

DN15、20、25

32, 40, 50, 65

80, 100, 125, 150, 200

not have

1

R1

321

Ti

titanium alloy

T

jacket

2

R2

302

Z

damping

3R

R4

304

G

high temperature

3L

RL

316L

Y

high pressure

Indicator form code E

M1

Local indicator, square shell, mechanical pointer indicating instantaneous flow rate

M2

Square shell, mechanical indicator needle instantaneous flow rate, LCD display instantaneous/cumulative flow rate

M3

Circular shell, multifunctional indicator

not have

M1 and M4 indicators only

A

85~265VAC 50Hz power supply, 4-20mA output, can be equipped with backlight, alarm is relay

B

Battery powered, no signal output, five backlight, no alarm, limited to M2 and M4 indicators

C

24VDC three or four wire power supply, 4-20mA output, with backlight capability

D

24VDC two-wire power supply, 4-20mA output, without backlight

not have

Ordinary non explosion proof

i

Intrinsic safety explosion-proof, limited to M2 and M4 indicators

d

Explosion proof type, circular shell, limited to M4 indicator

not have

No alarm or pulse output

K1

Upper limit alarm or one pulse output

K2

Lower limit alarm or one pulse output

K3

Upper limit alarm or dual pulse output

not have

Without backlight

L

With backlight

H

hart protocol

M

modbus protocol

Medium temperature: Standard type -80~200 ℃; PTEF 0~85℃; High temperature type greater than 400 ℃

Pressure rating: Standard type DN15~DN50 4.0MPa DN80~DN200 1.6MPa

Special type DN15~DN50 25MPa DN80~DN200 16MPa jacket type 1.6MPa

Medium viscosity: DN15η5mPa.s(F15.1-F15.3)DN15η30mPa.s(F15.4-F15.8)

DN25η250mPa.sDN20-150η300mPa.s



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