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.
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ES Systems has developed ESRF-HF, a family of insertion gas flow transmitters, based on the hot-film anemometer principle for mass gas flow measurements.
The ESRF-HF is a family of mass flow transmitters enabling fast and accurate measurements of gas flow over a wide dynamic range. Each transmitter integrates a MEMS flow sensor and readout electronics inside a housing with a very small form factor made from stainless steel.
The CAFS4000 mass flow sensor is fabricated using a MEMS flow sensor chip. It is suitable for the measurement of clean and relatively dry gases for various purposes. The CAFS4000 has a range of 0-500 SLPM. Excellent sensitivity, high reliability, and high stability make the CAFS4000 an excellent mass flow sensor.
ES Systems has developed the ESRF-ESF, an inline mass flow sensor for gas, based on the hot-film anemometer principle. The ESRF-ESF is one of the few gas flow sensors featuring bi-directional gas flow sensing up to ±300 ln/min (about 322 SLPM) with a total error and of <1.25% RD. The sensor provides a calibrated and temperature-compensated output on an SPI or I2C bus or an analog output making them plug & play for direct interfacing to low voltage MCU's and systems. The user is provided with a multitude of interface and output options allowing for the right sensor configuration can be selected based on the specific requirements for each application.
The FS5002 are mass flow sensors for gas. They come in various calibrations from 50 sccm up to 1000 sccm with both analog and digital outputs.
The FS4100 are general-purpose mass flow sensors with various ranges from 2 SLPM up to 50 SLPM, with analog and digital outputs.
The FS1100 sensors measure the mass flow rates with a full scale up to 250 SLPM with a dynamic range of 100:1, and a temperature measurement of -20°C to 85°C. It has a maximum pressure rating of 2 bar (30 psi). Flow range selections include reverse to forward flow rates.
The MF/FS4308 mass flow sensors are for general purpose gas flow monitoring and control applications. This series covers a wide dynamic flow range with a working pressure rating of up to 1 MPa, and a temperature range from -10°C to 55° C.
The MF/FS4700 mass flow sensors are for general purpose gas flow monitoring and control applications. This series covers a wide dynamic flow range with a working pressure rating of up to 1 MPa, and a temperature range from -10°C to 55° C.
The MF/FS4000 mass flow sensors are manufactured using Siargo's proprietary MEMS flow sensor and packaging technology. The products are designed for reliability with excellent performance in targeted applications. The sensors are housed in 3 mm and 8 mm pipes with maximum flow rates of 5 SLPM and 50 SLPM.
The FS4001 mass flow sensors are manufactured using Siargo's proprietary MEMS flow sensor and packaging technology. The sensors are specially designed for low flow rates from 0-30 sccm up to 0-1000 sccm. With a high overpressure of 5 bar (73 psi), the FS4001 can be used in a wide range of applications including instrumentation (such as mass spectrometry), leak detection, process control, gas flow metrology and medical applications. The FS4001 requires a power supply of 8-18 VDC and provides an analog (0.5 to 4.5 VDC) and/or digital user interface (RS232). The calibration is generally performed with nitrogen at 20 °C and 101.325 kPa pressure rating. Calibration with other gases and conditions available upon request.
The FS5001L mass flow sensors are manufactured using Siargo's proprietary MEMS flow sensor and packaging technology. The sensors are specially designed for flow rates up to 6 SLPM. The FS5001B can be used in a wide range of applications including mass flow metering for process control, leak detection, HVAC, gas flow metrology, and medical applications. The FS5001L requires a power supply of 8-24 VDC and provides an analog (0.5 to 4.5 VDC) and/or digital user interface I2C. Special calibrations are available upon request.
The FS6122 is a medical respiratory sensor to measure from -250 to +250 SLPM with a linear analog output or I2C output. A gauge pressure sensor is integrated into the FS6122 with a range of -5 to +40 cc H2O with a linear analog or I2C output.
The FS7002 are mass flow sensors designed to detect filter clogging. The sensors are designed for open space air flow measurement for monitoring the airflow status behind any air filter. The air velocity passes through the sensor via a specially designed venturi channel to proivde the stability of the air flow for the measurement. The compact design of the sensor provides easy installation and minimal obstruction of the air pathway. Typical applications include but are not limited to filter clog sensing in an intelligent air filter in an LCD projector and other electronics products, ceiling filter fans modules, ventilation duct flow or fan motor status.
The FS8001 mass flow sensors have a fast response time of 5 ms and are designed for filter clogging. The FS8001 is for 0-500 sccm and has a nonlinear analog voltage. The FS8003 is for 0-6 SLPM.
The AM1000 Series is designed for air velocity measurement in a closed conduit or open space, with optional temperature and humidity sensing data (AM1100 model). The sensing elements are made on a specially designed MEMs structure that enhances the measurement accuracy and response time while lowering the power consumption. The RS485 (Modbus) and Bluetooth LE options are ready for networking or remote communication. This format is ideal for residential HVAC or smart home applications.
The FS1015CL mass flow sensors are manufactured using proprietary MEMS flow sensor and packaging technology. The sensors are specially designed for medical equipment such as ventilators for flow monitoring and control. 2 flow rates are available, 0-100 SLPM and 0-150 SLPM. The compact package design enables a large dynamic flow range with a pressure drop of 1300 Pa (about 13 cm H2O). This package withstands a maximum pressure of 29 psi without compromising performance.
Here are a few interesting videos by Posifa Technologies demonstrating the various PVC Series vacuum sensors.
The PLF2000 are liquid flow sensors for 100 ml/min to 10,000 ml/min. Using a MEMS thermal flow die, the PLF2000 is designed to replace mechanical turbine flow sensors. Repeatable and accurate measurements via a linear digital output are given even with the flow is pulsatile. No moving parts minimize mechanical breakdown while cleaning does not require disassembly. Minimal flow resistance makes it possible to circulate liquid via gravity or a low-powered pump.
The PVC5100 series is a fully-calibrated, temperature-compensated vacuum transducer designed for cost-effective OEM integration.
The PVC6100 series MEMS Pirani gauge for ATM to medium vacuum is the most economical high-performance Pirani gauge on the market. It offers
excellent accuracy, a wide range, long-term stability, and longevity, while minimizing the total cost of ownership.
Posifa Technologies announces its new PVC4100 series fully calibrated MEMS Pirani vacuum transducer. Designed for cost-effective OEM integration, the device consists of a surface-mount MEMS Pirani sensor and microcontroller-based measuring electronics — all packaged in an ultra-compact PCB assembly featuring a connector-terminated wire harness.
The PVC4000 Series is a vacuum transducer designed for cost-effective OEM integration. It consists of a MEMS thermal conduction sensor (Pirani sensor), measuring electronics, and a microprocessor, packaged in an ultra-compact PCB assembly.
The PAV3000 was designed as an economical high-performance air velocity sensor in space-constrained spaces such as 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 proper airflow at server blades.
The PMF86000 Series is Gen II mass airflow sensors are designed for respiratory care and other medical & instrumentation applications. These sensors are parylene-coated. Bi-directional versions available.
