What is the turndown ratio for flow measurement?

The turndown ratio is 100:1 for Mass Flow Meter (MFM) and 50:1 for Mass Flow Controller (MFC).

Mod_Bus RTU Protocol MFC Gas Mass Flow Controller for Vacuum Coating Application

Name: Mod_Bus RTU Protocol MFC Gas Mass Flow Controller for Vacuum Coating Application
Brand: Hefei Siko Instruments Co., Ltd.
SKU: 2057367785

Anhui, ChinaHefei Siko Instruments Co., Ltd.

US$760.00-1,060.00

1 Piece

Sample price:US$760.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Maintenance & Refund

Warranty

1 Year

Model NO.

HG-MFC Gas Mass Flow Controller

Accuracy

±0.2-0.5%

Main Application

Water, Wastewater, Diesel Fuel, Fuel Oil, Corrosive Liquid/Gas

Size

1/4 or 3/8 or 6mm or 10mm

Sensor

Swagelok / Thread / Flange Connection

Application

Industrial Production

Type

Gas Mass Flow Controller

Measuring Media

Gas

Measuring Principle

Gas Mass Flow Controller

Measurement Object

Closed Pipeline

Certification

JIS, DIN, ANS, GB, CE, RoHS, ISO

Line Size

1/4 or 3/8 or 6mm or 10mm

Working Temperature

0-50 Deg.C

Working Pressure

3MPa / 10MPa

Relative Humidity

5% -95%

Power Supply

DC 15V / 24V

Protection Level

IP65 MFC Gas Mass Flow Controller

Analog Output

0-5V / 4-20mA / 0-10V

Digital Communication

RS485 Modbus RTU

Display

None & Digital Display

Process Connection

Swagelok 6 & Swagelok 8 & VCR 1/4" ....

Electrical Connections

dB15 Gas Mass Flow Controller

Differential Pressure Requirement

0.05-1.0MPa

Flow Rate

10sccm-200slm & 300slm-3000slm

Keywords

Gas Mass Flow Controller for Vacuum

Base Material

Ss 316L

Transport Package

2kg

Specification

25*15*15cm

Trademark

Siko Instruments

Origin

China

HS Code

9026100000

Production Capacity

999 Units / Weeks

Key features

Modbus RTU Communication: Supports RS485 Modbus RTU for easy integration with PLCs and computer control.

Direct Mass Flow Measurement: Uses capillary heat sensing technology, eliminating need for temperature/pressure correction.

Wide Flow Range: Covers 10sccm to 3000slm with turndown ratio of 100:1 for MFM and 50:1 for MFC.

Versatile Output Options: Provides analog outputs (0-5V, 4-20mA, 0-10V) and digital display controllers.

Durable SS 316L Construction: Built with SS 316L base material and multiple sealing options for corrosion resistance.

Multi-Gas & Multi-Range: Applies MultiFlow technology supporting various gases and multiple flow ranges.

1-Year Warranty Support: Includes 1-year warranty with maintenance and refund after-sales service.

Company profile

Hefei Siko Instruments Co., Ltd.

Anhui, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤4.76h

AI-Powered supplier vetting

SummaryHefei Siko Instruments Co., Ltd. is identified as both a trading company and manufacturer/factory in China. It supplies flow meters, sensors, transducers, and related industrial instrumentation. The supplier reports ANSI/ESD and ISO 9001 certifications, 11–20 R&D engineers, 11–20 quality-control staff, and five production lines. It has self-operated import/export rights, began exporting in 2020, and reports exports as 71%–90% of sales, with broad global market coverage. Evidence confirms manufacturing, quality-management certification, international trade capability, and established product expertise. However, the provided information does not substantiate after-sales processes, financial credibility, customization services, or a broad customer track record.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory. Its stated business covers instruments, meters, industrial equipment, flow measurement technology, sensors, and transducers, indicating a direct manufacturing and trading role in industrial instrumentation.

CertificationsThe supplier reports ANSI/ESD and ISO 9001 certifications for its management systems. These stated certifications provide explicit evidence of formal quality or operational controls, although no certificate scope, issuing body, or validity details are supplied.

R&D capabilityThe supplier offers multiple flow-measurement and sensing technologies and reports 11–20 R&D engineers, indicating an established technical development function. However, no patents, proprietary technologies, new-product records, or R&D outcomes are provided.

Production capacityThe supplier is identified as a manufacturer/factory with five production lines, 11–20 quality-control staff, and stated product coverage in flow measurement and industrial instrumentation. It also reports an off-peak lead time of one month and peak fulfillment within 15 workdays, supporting evidence of operating production capacity, although actual capacity limits are not disclosed.