KOFLOC Corp.
KOFLOC BRENDA Series Gas Mixture Device

Manufacturer: KOFLOC Corp.
Model: BRENDA® series
Engineering Devices
We can manufacture various products utilizing the technologies that KOFLOC has cultivated to measure, control and generate fluids. After having discussions with our customers, we make proposals that fulfill their requests and requirements.
Gas Mixers
Gas mixers, which use some flow parts including mass flow controllers, flow meters, flow control valves and pressure control valves, set and control two or more gases at a certain pressure and flow rate, supplying mixed gas. Gas mixers made with specifications adjusted to the customer’s needs are also available.
BRENDA® SERIES
■FLuid:Gas N₂,Air,H₂,He,Ar,O₂,CO₂ etc.
■Max.flow rate:Gas 1 line from 10SCCM to 50SLM / total 100SLM
■Accuracy:±1%F.S.
- High performance mass flow controller adopted.
- Mixed gas flow ration setting mode / mixed gas ratio setting mode switchable.
- Program operation with pre-set conditions by step mode.
- VNC server function for remote control.
- Recorded operation status in data logging can be extracted via the USB port of the device at the back.
- Emergency shutdown, upper and lower limit setting, totalized flow, authority settings, etc.
Features
High-performance digital mass flow controller adopted

~Supplying high quality mixed gas~
In-house production of mixed gas at desired gas mixture ratios is possible.

Flow precision: ±1% S.P.~
Responsiveness: within 1 second for all flow ranges
Fitted with a touch panel

Anybody can easily set and confirm the status of gas mixture ratios while viewing the touch panel screen.

Ratio setting mode

It is possible to automatically calculate and control gas flow for each line by just setting gas mixture ratios and mixed gas flow.
Step mode

Program operation with pre-set conditions is possible.
A maximum of nine steps for gas flow and time pre-settings are possible.
VNC server function added

Remote operation through networks and remote control at mobile terminals through wireless access points are possible.
Data logging compatible

Sampling cycles can be set to record operation status.
Registered data can be extracted via the USB port in the device.
Various functions added

Safety function
An emergency shutoff valve has been fitted to the mixed gas exit, making it possible to cut off the gas manually with the emergency shutoff switch, and there is also an automatic shutoff function in response to alarm setting values.
Setting authority
All settings can be made into authorization settings requiring a password.
Lower and upper limit settings
Lower and upper limits can be set for flow and pressure for each line.
Flow integration function
Integrated gas volume can be displayed for each line, which is convenient for grasping how much is left in the cylinder.
Standard Specifications
| TYPE | 2-line | 3-line | 4-line |
|---|---|---|---|
| Model | BR-2C | BR-3C | BR-4C |
| Control System | Control with a Thermal Mass Flow Controller*1 | ||
| MFC Precision | ±1% S.P.*2 | ||
| MFC Responsiveness | Within 1 Second for All Flow Ranges | ||
| Compatible Gas | Air, N2, O2, He, Ar, CO2, H2 (Also Compatible with Corrosive Gas and Combustible Gas)*2 | ||
| Flow Range | 10 sccm to 50 SLM for One Line (Mixed Gas Flow of 100 SLM or Less)*2 | ||
| Pressure Resistance | 980 kPa | ||
| Connection Diameter | IN: Rc1/4 OUT: Rc1/4 | ||
| Surrounding Temperature / Humidity | 5 to 50°C (System Guarantee: 5 to 35°C) / 10 to 80% RH | ||
| Device Dimensions W × D × H (mm) | 380 × 390 × 330 | 480 × 390 × 330 | |
| Device Weight (kg) | 23 | 28 | 30 |
| Electricity Consumption (kW) | 0.1 | ||
| Power Supply Voltage | AC100–240V 1Φ 50/60Hz | ||
*1 Gas mixture ratios are based on the combined method with volumetric flow ratio.
*2 Please feel free to contact the relevant staff at our company regarding detailed specifications for gas type and flow range.
* For overseas specifications or special specifications not listed in our catalogue, please contact the relevant staff at our company.
* Product improvements may lead to specification changes without notice.
* This equipment does not conform to CE and RoHS directives at the moment.
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