KC600 Series
High Range RatioFast ResponseExplosion Proof
Mass Flow Controller (MFC)

KC600 Series

KC600 Series gas mass flow controller adopts new generation industrial-grade flow sensor chip combined with gas path structure, dual-screen display, supports range adjustment. Fast response, high precision, equipped with dedicated host software, certified product. Suitable for semiconductor, photovoltaic, vacuum coating and other fields.

Key Specifications

Flow Range0~20sccm ~ 0~20slm (N2 equivalent)
Accuracy±0.3%F.S. (≤30%F.S.) / ±1.0%S.P. (>30%F.S.)
Turndown Ratio100:1
Response Time≤0.5s
Repeatability≤±0.2%F.S.
CommunicationRS485 / RS232 / 0-5V / 4-20mA
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Model Specifications

Basic Parameters
Media RequirementClean, dry, non-corrosive gas
Media TypeAir, nitrogen, oxygen, carbon dioxide, helium, hydrogen, methane, argon, etc.
Flow Range¹ (N2 equivalent)(0~20, 50, 100, 200, 500) sccm (0~1, 2, 5, 10, 20) slm Other ranges customizable, please contact us
Accuracy±0.3%F.S.² (≤30%F.S.) ±1.0%S.P.³ (>30%F.S.)
Turndown Ratio100:1
Response Time⁴≤0.5s
Repeatability≤±0.2%F.S.
Resolution0.001 sccm, ≤20 sccm 0.01 sccm, ≤100 sccm and >20 sccm 0.1 sccm, ≤1 slm and >100 sccm 1 sccm, >1 slm
Leak Rate≤1×10⁻¹⁰ Pam³/sHe
Max Pressure Rating9.8bar
Environmental Conditions
Operating Temperature0~50℃
Operating Humidity10%~90% R.H. (no condensation)
Working Pressure⁵0.5~4 bar, >2 slm 0.5~6 bar, ≤2 slm (range dependent)
Storage Temperature-20~85℃
Electrical Parameters
Power SupplyDC24V
Power Consumption≤4.0W
Startup Time≤1s
Communication Interface
Interface TypeD-SUB9, RJ45
Analog Control0-5V or 4-20mA
Digital ControlRS485 or RS232
Digital Signal (RS485/RS232)
Interface TypeD-SUB9 or RJ45
Baud Rate9600, 38400, 115200 (default)
ProtocolModbus-RTU
Device Address1 (default) ~99
Mechanical Parameters
Connector TypeFerrule: 1/4 inch VCR: 1/4 inch Others available
Wetted Materials316L stainless steel, fluororubber, silica
Body MaterialBase: 316L stainless steel Housing: Aluminum alloy
Seal MaterialFKM fluororubber
Weight0.95kg

Unless otherwise specified, this product is calibrated under the following conditions: nitrogen, 25℃, 2.5 bar differential pressure (inlet 3.5 barA, outlet 1 barA), horizontal position.

It is recommended to install a straight pipe section of appropriate size at the inlet, otherwise accuracy deviation may occur.

It is recommended to use the largest possible fittings at the inlet and outlet to avoid additional pressure loss.

The shown ranges are available for nitrogen.

%F.S. means error as percentage of full scale.

%S.P. means error as percentage of setpoint.

Response time refers to time to reach ±2% of setpoint.

Working pressure refers to differential pressure between inlet and outlet.

Key Features

High Range Ratio

100:1 turndown

Fast Response

≤100ms control

Explosion Proof

ExdIICT4 rating

High Precision

±1.0%F.S. accuracy

Digital Control

RS485 communication

Multiple Interfaces

Various connection sizes

Applications

Other Industries
Oil & Gas
Food & Pharma
Trace Element Analysis
Analytics
Semiconductor

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