SILVER AUTOMATION INSTRUMENTS LTD.
Product Category

Thermal mass flow meter

Thermal mass flow meter

Digital Display , 24V or 220V AC power supply;
10mm thermal mass flow sensor
Output 4-20mA ;
Modbus RTU communication;
Sensitive to low air or gas flow measurement;

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Flow meter size

Overview

Thermal mass gas flowmeters (TMFMs) measure or monitor the mass flow of air, Compressed air, gas ,nitrogen,natural gas,CO2,LPG, biogas,flare or a gas mixture in countless applications. SRK-100 Series thermal mass flow meter is a kind of low cost digital mass flow meter; it has digital display to show instant flow, also total flow. Meanwhile thermal flow transmitter also has 4-20Ma output or pulse output, relay outputs, Hart Protocol or Modbus RTU. SRK-100 series mass flowmeter can be tailored into high temperature type flow meter, anti-corrosive probe type or different process connections.

Product pictures

Insertion thermal mass flow meter

inline thermal mass flow meter

Micro thermal mass flow meter

insertion air flow meter thermal flow meter

inline air flow meter thermal flow meter

What is gas mass flow measurement?

Mass flow is a gravimetric measurement of mass moving over time, expressed as pounds per hour, kilograms per day, grams per second or similar units. A thermal mass flowmeter is expressed as standard Nm3/h or cubic feet per minute (SCFM). Since these units of flow rate are standardized at specific temperatures and pressure, they resolve into mass flow units.

Technical Specifications for industrial gas mass flow meter

Accuracy

±1% reading; ±0.5% full range

Repeatability

±0.5% of full range

Turn down ratio

Normal 100:1; it is decided by calibrated flow range

Upper Limit of Range

80 Nm/s (air,20,101.33kPa)

Lower Limit of Range

0.05Nm/s (air,20,101.33kPa)

Size

Ø6~ Ø6000

Pressure Range

Negative Pressure, 0~1.0MPa,0~1.6MPa,0~2.0MPa,0~3.0MPa

Medium Temperature

-20~60,60~100,100~150,150~200,200~300

Medium

All kinds pure gas,air, compressed air or mixed gas with fixed percentage, gas with dust, sand or moisture, corrosive gas

Sensor Diameter

Ø3(standard), Ø4

Sensor Material

316SST,hastelloy,titanium

Probe Stem Diameter

Ø19(standard), Ø16, Ø12

Probe Stem Material

316SST,hastelloy,

Power supply

24VDC/400mA or 220VAC/2W

Output

4-20mA DC, max load 1000Ω;RS485,Hart

Display

LED; four digits instantaneous flow , eight digits totalized flow

Correction

16 non-linearity correction

Type

Remote type: transmitter + flow totalizer

Integral type: transmitter with integral totalzier

Installation Type

Insertion type and In-line type

Alarm

1-2 relay output,3A/220VAC,3A/30VAC,settable

Protection level

IP65

Explosive proof

Ia IICT65,ExdII CT4

Lifetime

5 years


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