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ELVEFLOW Flow Sensor 1 Digital– MSE Supplies LLC

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ELVEFLOW Flow Sensor 1 Digital

SKU: MFS-D-1

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ELVEFLOW Flow Sensor 1 Digital

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Product Description

Microfluidic flow sensor

Working range from 0 to 1.5 µL/min with aqueous solutions

Comes with 6-40 to 1/4-28" adapters.

/! Without 1/4-28" fittings /!

Elveflow’s Microfluidic Flow Rate Sensor uses thermal time-of-flight technology to flow rates in micro-size channels. Its features make it a robust, reliable and affordable solution for microfluidic applications:

  • 5 sensors covering water flow rates from 0.07 to 5000 µL/min
  • 5% accuracy on most of the operating range
  • Fully compatible with other instruments from the Elveflow range (MSR Sensor reader and Flow Controllers – OB1, Cobalt -)
  • Non-invasive measurements
  • High chemical compatibility: wetted parts made of PEEK and glass
  • Low dead volume down to 1 μL
  • Bi-directional flow rate measurement (positive & negative)

Flow Rate Control

You can achieve flow control of your experiment by combining any Microfluidic Flow Sensor with our pressure controller systems (OB1 MK4, Cobalt). The Elveflow ESI software automatically adjusts the pressure to reach the required flow rate.

Researchers who want to monitor the flow rate of a third party instrument like a syringe pump can plug the flow sensor to our Microfluidic Sensor Reader (MSR).

Smooth, Pulseless Flow

All our flow controller systems (OB1 MK4, Cobalt) can be coupled with the Microfluidic Flow Rate Sensor. Using the feedback loop control of our ESI software, you can accurately monitor and control flow rates in your microfluidic setup in a stable, pulseless and responsive fashion. Directly input the flow rate into the software to reach the requested value.

The microfluidic flow sensors can be plugged anywhere inline in your microfluidic setup.

Which Flow Sensor to Choose?

Elveflow offers 5 different flow rate sensors (+1 Coriolis Bronkhorst Flow Sensor) that are each accurate and precise in a given range. Use our explanatory range and accuracy chart in order to choose the most fitting Flow Sensor for your application.

Note: Please note that the range may change depending on fluid properties (thermal conductivity, density and thermal capacity ,…etc.).

Sensor Reading Module

The Sensor Reader is a device specifically designed to be used with all of Elveflow’s sensors. The reader allows to use Elveflow Sensors with any third party instrument used to drive liquid (syringe pump, peristaltic pump, perfusion, pressure controller).

Thermal Time-of-flight or Coriolis Based Sensor?

Elveflow offers two types of flow rate sensors: one based on the thermal conductivity technology (Microfluidic Flow Sensor) and one based on the Coriolis principle (Bronkhorst Flow Sensor). Both sensors have pros and cons that have been summarized in the table below. This table helps you choose your sensors depending on your application and your budget.

Flow Sensors Comparison BFS MFS
Accuracy 0.2 % of measured (1) 0.5 % of measured
Range One sensor for 1.6 µl/min to 3 mL/min Five sensor from 10nL/min to 5 mL/min
Negative flow measurement Yes Yes
Supported fluid types All without calibration All without calibration
Response time 35 ms (2) From 1 to 70 ms (2)
Flow sensor size 65 x 32 x 144 mm  58 x 53 x 23 mm
Internal diameter 250 µm From 250 µm to 1.8 mm (4)
Weight 3 kg 100 g
Connector 1/16* OD tubing 1/16* OD tubing
Internal volume 13 µL From 1 µL to 80 µL (4)
Wetted material Stainless steel 316L or comparable Silicium
Principal Coriolis Thermal
Computer connection Directly via USB to the computer Directly on the OB1 and the AF1 or with the Sensor reader MSR
Additional features Temperature and density measurement

(1) Available upon request. 2 % accuracy for the regular model
(2) 0.2 s at 98% (spec) to fill the tubing then 35 ms with temperature measurement
(3) Depending on chosen digital resolution
(4) Depending of the sensor range

Specifications

Elveflow offers a selection of 5 different Microfluidic Flow Rate Sensors that vary by the covered flow rate range. Below, are summarized the different specifications for each sensor: