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Miniature Thermal Gas Mass Flow Meter

Miniature Thermal Gas Mass Flow Meter

  • Application areas: new energy.photovoltaics,semiconductorsaerospace,semiconductorprocessing, medical biology,electronic automobiles, steelmetallurgy, marine electronics,industrial gas production andother industries.

Whatspp：+86 18912600763
Correo electrónico：sales@beitemeter.com

Detalle

Product features:

★ MEMS sensor, fast response speed;
★ Stable zero point, high precision and good repeatability;
★ Wide range ratio, optional flow range;
★ Optional display direction (0°, 90°, 180°, 270°);
★ Multiple signal outputs are optional;
★ Standard mechanical interface is optional;

 

Product features:

Miniature Thermal Gas Mass Flow Meter

 

Display S-without display, D with display
Pipe diameter 8 DN8 Flow measurement range 1.8-180L/min
  10 DN10 Flow measurement range 2.8-280L/min
  15 DN15 Flow measurement range 6-600L/min
  20 DN20 Flow measurement range 10-1000L/min
  25 DN25 Flow measurement range 15-1500L/min
  32 DN32 Flow measurement range 25-2500L/min
Maximum flow L1 express 1L/min、L200 express 200L/min 、L1500 express 1500L/min
Mechanical interface PN 0 PT1/4 Internal thread (DN8)
    1 PT3/8 Internal thread (DN10)
    2 PT1/2 Internal thread (DN15)
    3 PT3/4 Internal thread (DN20)
    4 PT1 Internal thread (DN25)
    5 PT1-1/4 Internal thread (DN32)
  GN express G Internal thread、NW express NPT External thread、 NT is Special custom thread；（default PN）
Output Model N0 express RS485 and 4-20mA（default）
  N1 express RS485 and 1-5V
  N2 express RS485 and 4-20mA、pulse
  N3 express RS485 and 4-20mA、PNP
Measuring medium type Measuring medium type，AIR is air (default)，N2 is nitrogen, O2 is oxygen, CO2 is carbon dioxide, and MG is mixed gas.
Pressure level P0 means ≤1.6MPa (default), P1 means customized higher pressure level

Note: Flow measurement range (air medium).

 

Product series Whether to display Pipe diameter flow mechanical interface Output signal medium pressure level
LF501 D 10 L200 PN1 NO AIR PO
Example:
Model:LF501-D10L200PN1NOAIRPO
Parameters:LF501 Series, measuring medium: air, measuring range: 2-200L/min, pipe diameter: DN10,Dutput signal: RS485 and 4-20mA, pressure less than 1.6MPa
Mechanical interface: PT3/8 internal thread.

 

Air calibration to measure the range of other medium gases

Serial number

gas

Conversion Factor

Percentage of range

1

AIR

1.0

100%

2

O2

0.9861

98.61%

3

N2

0.994

99.4%

4

AR

1.4066

140.66%

5

NO

0.9702

97.02%

6

NO2

0.7366

73.66%

7

CO2

0.7326

73.26%

8

CH4

0.7147

71.47%

9

C2H6

0.4781

47.81%

10

C3H8

0.3459

34.59%

 

technical parameters

Measurement accuracy ±(1.5+0.2FS)% power supply DC15-24V/100mA
Response time 50-1000 ms Output method 4-20mA, pulse (optional)
Zero drift ±20mV Display Format Instantaneous flow, cumulative flow
Operating temperature -10~55℃ Operating humidity <95%RH (no frost, no ice)
Storage temperature -10~65℃ Communication RS485 (Modbus RTU protocol)
Work Pressure ≤1.6MPa Calibration medium Air（20℃，101.325kPa）

Note: The above data are measured at 20℃, 101.32kPa, dry air

 

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