Mass Flow Sensors

Servoflo is expanding its offering of mass flow sensors that are high-performance and economical to OEM customers. These sensors are high performing and better cost than alternative suppliers.

10 Items found

The PMF2000 Series of mass airflow sensors incorporate the latest MEMS and microelectronics innovations. The sensor die uses a pair of thermopiles to detect changes in temperature gradient caused by mass flow, delivering ultra-low noise-to-signal, and unsurpassed repeatability. The "solid-state" thermal isolation on the sensor die eliminates the need for surface cavities or fragile membranes, used in competing solutions, making the sensor resistant to clogging and pressure shock. The sensor's internal signal conditioning circuitry leverages an off-the-shelf microcontroller, providing proven reliability and low cost.

The PMF4000 Series of mass air flow sensors covers the ranges from 50 SLM to 300 SLM. The sensors are full calibrated and compensated over the temperature range of 0°C to 50°C. The linearized analog output of 1-5V provides maximum flexibility and ease-of-use. Like other PMF mass flow sensors, the PMF4000 incorporates the latest MEMs and microelectronics innovations.

PMF6000 Series Mass Air Flow Sensor for Bypass Assemblies

The PMF6000 is developed specifically for use in bypass assemblies by customers wishing to design their own flow body and restrictor element. By utilizing the linearized factory calibration from Posifa, customers can create master calibration curves specific to their custom bypass design with minimal additional corrections in the production process. The PMF6000 comes with a standardized package for manifold mounting. The series includes the PMF6000V for a voltage output and PMF6000D for a digital I2C output. Two flow ranges are available: 0-1000 sccm and 0-6000 sccm.

The PAV1000 was designed as an economical high-performance air velocity sensor for thermal management & HVAC systems. Unlike thermistor-based solutions, the Posifa MEMS sensor core is minimally affected by ambient temperature changes and provides instant real-time feedback on air velocity speeds. The PAV1000 features Posifa's third-generation thermal flow die, benefiting from the latest innovations in microfabrication.

PMF83000 Series Mass Air Flow Sensor for Medical Devices & Industrial Applications

The PMF83000 features Posifa's third-generation flow die, benefiting from the latest innovations in microfabrication. The sensor die uses a pair of thermopiles to detect changes in temperature gradient caused by mass flow, delivering excellent signal-to-noise and repeatability. Designed for respiratory care and other medical and instrumentation applications.

The MF5600 mass flow meters are designed for general purpose yet precise industrial gas measurement, monitoring or control. The design is for applications where the display must be placed separately from the meter body or flow channel.

The MF5700 mass flow meters come in 2 models. The MF5706 has a flow range of 0-10 SLPM or 0-25 SLPM. The MF5712 has a range of 0-200 SLPM. The MF5700 features cost effective ultra low power operating on 4 AA batteries. The portable design has excellent exchangeable mechanical adaptors, easy data accessible and user programmable capabilities. The internal data storage can also help for many industrial on-site applications. The meters can be customized for various general purpose flow applications. LCD output is included along with an optional RS485 output.

The MFG Series mass flow meters are powered by battery and offer a wide dynamic range while mainiting the high sensitivity at low flows for gas monitoring and measurement. The meters have RS485 Modbus communication interface that is ready for remote data logging or networking. Storage designed in the control circuitry allows the user to program the records of the flow status which can be transmitted via the network or downloaded with a handheld or personal computer.

MF5000 series mass flow meters are specially designed for small pipe flow monitoring and feature an extremely low pressure loss compared to the traditional by-pass thermal mass flow meters in this application scope. The accuracy of the meters are generally ±(1.5+0.5FS)% or better depending on the requests. The meters can work at an environment of -20 to 60°C and pressure up to 1.5 MPa. Applications include semiconductor gas process monitoring and control, hospital oxygen gas monitoring, etc.

The MF5100 is a state of the art MEMS mass flow sensor with limited gas automatic recognition capability and optional battery power operation. It provides a variety of output options with further customization available.

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