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LLQ-Gas Roots Flow Meter

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LLQ-Gas Roots Flow Meter
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Place of Origin: Tianjin, China

Brand Name: Sure Instrument

Accuracy: ±1.0%; ±1.5%

Power supply: 24V DC

Signal output: 4-20mA, Pulse, IC card and Modbus RS485

MOQ: 1set

Payment: T/T, LC, PayPal, West Union

Standard Lead Time: 7-10 working days

Shipment: FedEx, DHL, Airline, Sea and others

Package Details: Carton and Wooden


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PRODUCT DISPLAY

Description

It is a positive displacement, rotary type gas meter designed for continuously measuring and indicating the accurate measurement of gas in a pipeline. Gas Roots flow meters are suitable for handling most types of clean, dry, common gases at either constant or varying flow rates. Meters of standard construction are not directly suitable for handling acetylene, biogas or sewage gas. Contact the factory for information on specially constructed meters made of materials directly compatible with these and other gases.

APPLICATION

For some gas industry business accounting which used in some fields,like, restaurant, hotels, gas pressure regulation station, civil
boiler, etc. Also available to measure some gases like, propane, nitrogen and others which have not corrosive mediums.

PRODUCT APPLICATION

SPECIFICATION

Connection

DIN PN16

Accuracy

±1.5% of rate

±1.0% of rate

Condition

Fluid Temperature:-10...+60℃

Ambient Temperature:-30...+60℃

Relative Humidity:5%-90 % RH

Atmospheric Pressure:86...106Kpa

Power Supply

Main Power:24V DC

Backup Battery:3.6V DC Lithium Battery

Power Consumption

<1W

Output

Pulse

4-20mA

IC card

Modbus RS485

Model

Suffix Code

Description

LLQ-

Gas Roots Flowmeter

Diameter

×××

 

 

 

 

 

025:DN25
100:DN100
250:DN250

Flow Range

Q-××

 

 

 

 

Refer to table

Converter Type

N

 

 

 

Basic Meter:Mechanical display without output

C

 

 

 

Digital display;Temperature and pressure compensation;Pulse;4-20mA;
Optional:Modbus RS485;Control signal for IC card

D

 

 

 

Digital Display;Automatic Temperature and pressure compensation
Standard out:4-20mA/Pulse/Control signal for IC card
Optional:Modbus RS485

Accuracy

10

 

 

±1.0% of rate

15

 

 

±1.5% of rate

Pressure Rating

WP1

 

1.0Mpa

WP2

 

1.6Mpa

Connection

DXX

D16:DIN PN16 Flange;D25:DIN PN25 Flange;DN40:DIN PN40 Flange...

AXX

A15:ANSI 150# Flange;A30:ANSI 300# Flange;A60:ANSI 600# Flange...

JXX

J10:JIS 10K Flange;J20:JIS 20K Flange;J40:JIS 40K Flange...

Diameter

Model

Start Rate

Max Flow Rate

Pressure Loss

Pressure Rate

Accuracy

Turndown Ratio

Body Material

m³/h

m³/h

Pa

Mpa

DN25

Q-16

0.6

16

120

1.0/1.6

1.5/1.0

20:1

 

Aluminum Alloy

DN40

Q-20

0.6

20

130

1.0/1.6

1.5/1.0

20:1

Q-25

0.6

25

130

1.0/1.6

1.5/1.0

20:1

Q-30

0.6

30

130

1.0/1.6

1.5/1.0

20:1

Q-40

0.6

40

180

1.0/1.6

1.5/1.0

30:1

Q-60

0.6

60

180

1.0/1.6

1.5/1.0

60:1

DN50

Q-20

0.6

20

140

1.0/1.6

1.5/1.0

20:1

Q-25

0.6

25

140

1.0/1.6

1.5/1.0

20:1

Q-30

0.6

30

140

1.0/1.6

1.5/1.0

20:1

Q-40

0.6

40

200

1.0/1.6

1.5/1.0

30:1

Q-60

0.6

60

200

1.0/1.6

1.5/1.0

60:1

Q-85

0.6

85

210

1.0/1.6

1.5/1.0

70:1

DN65

Q-100

0.6

100

220

1.0/1.6

1.5/1.0

70:1

Q-140

0.6

140

220

1.0/1.6

1.5/1.0

120:1

DN80

Q-100

0.8

100

220

1.0/1.6

1.5/1.0

70:1

Q-140

0.8

140

240

1.0/1.6

1.5/1.0

100:1

Q-200

0.8

200

240

1.0/1.6

1.5/1.0

100:1

DN100

Q-300

0.8

300

280

1.0/1.6

1.5/1.0

110:1

Q-450

0.8

450

300

1.0/1.6

1.5/1.0

110:1

DN150

Q-650

10

650

580

1.0/1.6

1.5/1.0

80:1

Cast lron

Q-1000

10

1000

600

1.0/1.6

1.5/1.0

80:1

DN200

Q-1600

20

1600

850

1.0/1.6

1.5/1.0

60:1

DN250

Q-3000

30

3000

1050

1.0/1.6

1.0/1.6

40:1

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