Gas Flow
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Gas Flow Sensors
ESRF-ESF Sensor
ESRF-ESF is one of the few gas flow sensors featuring bidirectional gas flow sensing of up to ±300 ln/min with a total error band of < 1.25% RD. ESRF-ESF gas flow sensors provide calibrated and temperature compensated output on an SPI, I2C bus or analog output making them plug & play for direct interfacing to low voltage MCUs and systems. The user is provided with a multitude of interface and output options so that the right sensor configuration can be selected based on the specific requirements for each application.
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Gas Flow Meters & Controllers
Accurate Mass Flow Measurement Sierra designs and manufactures a wide range of today's most advanced analog and digital gas flow meters, mass flow meters, controllers and switches across three core technologies: Capillary Thermal, Immersible Thermal, and Mass Vortex. Each gas flowmeter or controller meets exacting standards, and we can also customize your flow rate sensor to meet application requirements (often free of charge).
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Ultrasonic Gas Flow Sensor
GB Series
Panasonic Industrial Devices Sales Company of America
A compact, dual-function Ultrasonic Gas Flow Sensor that measures gas flow and gas concentration for flow rates from 1 to 25 Liters per minute. This Ultrasonic Gas Flow Sensor uses a unique time-of-flight design with an onboard processor to make highly accurate measurements of both gas flow and concentration. Suitable for use with many gases in an easy to implement format.
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Gas Flow Standards
Fluke Calibration offers molbloc/molbox gas flow calibration systems to calibrate flow meters and controllers over a very wide range of flows. The systems are fast, precise and transportable and can be fully automated using COMPASS for Flow software. molblocs, which are the heart of the measurement system, are mechanically stable, gravimetrically calibrated laminar flow and sonic nozzle elements.
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Air Quality / Gas / Flow Sensors
Panasonic Industrial Devices Sales Company of America
Panasonic offers compact, high sensitivity Air Quality, Gas and Flow Sensors for use in equipment or automation processes. Designed for air quality / IAQ monitors and home appliances, the Laser Type PM (Particulate Matter) Sensor can detect dust particles down to the 0.3 m size.
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Gas Flow Controller
GFC Series
The GFC series enables quick interchange with standard MFCs: same mechanical outline, 4-VCR connectors on standard model, and 15-pin analog connector.
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Gas Flow Meters
There are innumerable circumstances where gas flow rates need to be quickly and precisely measured. You’ll always be prepared with Netech’s versatile range of gas flow meters, which are designed to measure several types of gases including air, N2, O2, CO2, and He.
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Digital "A" Flow Controller for Medium Flow
HFM-D-301A / HFC-D-303A
Mass flow techniques provide reliable, repeatable and accurate gas flow rate measurements.HFM-D-301A/HFC-D-303A mass flow instruments have flow ranges from 0-25 slm to 0-1000 slm; provide analog and digital outputs, and are constructed of stainless steel. Easy, user friendly digital communications with windows based software interface available. Available with a variety of elastomer seals for maximum flexibility.Self diagnostics of the sensor, valve and overflow are included in the digital features. Also of interest is the auto zero feature which detects when the valve is closed and automatically resets the zero. These mass flow meters and controllers can store up to 10 calibrations of different ranges and gases. Another feature is the built in totalizer for monitoring gas usage under user set conditions.
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Digital "A" Flow Controller for High Flow
HFM-D-306A / HFC-D-308A
Mass flow techniques provide RELIABLE, REPEATABLE AND ACCURATE gas flow rate measurements.HFM-D-306A/HFC-D-308A mass flow instruments have flow ranges from 0-2500 slm to 0-10000 slm; provide analog and digital outputs, and are constructed of stainless steel. Easy, user friendly digital communications with windows based software interface available. Available with a variety of elastomer seals for maximum flexibility.Self diagnostics of the sensor, valve and overflow are included in the digital features. Also of interest is the auto zero feature which detects when the valve is closed and automatically resets the zero. These mass flow meters and controllers can store up to 10 calibrations of different ranges and gases. Another feature is the built in totalizer for monitoring gas usage under user set conditions.
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Variable Constant Differential Flow Controller
VCD 1000
The Porter Model VCD 1000 flow controller is precision-engineered to control low gas flows at constant mass flow rates regardless of changes in downstream pressure.
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Gas Flow Sensors
ESRF-HF Transmitter
The ESRF-HF is a family of mass flow transmitters which enable 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 very small form factor made from stainless steel. The duty pressure of the flow transmitter is 11bar. All measurement data are fully calibrated, and temperature compensated on board, leading to a reduced temperature coefficient and high measurement accuracy.
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Ultrasonic Exhaust Flow Meter for Real-time Measurement of Vehicle/Engine Exhaust Flow
EXFM-ONE
EXFM-ONE employs an ultrasonic method for measuring exhaust gas flow rates directly from a vehicle or engine. The unit can be used for various applications such as real time mass measurement of raw exhaust gas combined with MEXA-ONE (Motor Exhaust Gas Analyzer), or for Particulate Matter/emission measurement combined with partial flow dilution system such as MDLT (Partial Flow Dilution Tunnel) or BMD (Bag Mini Diluter). Fuel consumption evaluation is also available when EXFM-ONE is paired with an optional air-to-fuel ratio (AFR) analyzer.
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Mass Flow Controller
SEC-E Series
This general purpose mass flow controller has a reliable thermal sensor and solenoid valve, allowing you to achieve high-level control of gas flow. A versatile component, the mass flow controller sec-e series can be used in a wide range of industries.Gas flow through the mass flow controller can be controlled over a range of flows: from 10 SCCM to 200 SLM.
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Low Pressure Drop Thermal Mass Flow Meter
HFM-200 LFE
The HFM-200 LFE Series by Teledyne Hastings can be configured and accurately measure gas flow in a broad array of applications. Featuring reliability and stability, the 200 Series is chosen by users for its very stable performance with varying ambient conditions. A wide choice of elastomer seals make this flow meter compatible with most gases.The HFM-200 LFE meter has flow ranges from 0-10 sccm to flows of 0-15,000 slm; provides analog outputs, and is constructed of stainless steel. The full scale range is specified by the end user. A NIST traceable calibration certificate is standard. Cleaning for oxygen service is available. Our laminar flow elements (smooth, threaded or flanged) are available in various sizes from 3/8" up to 8". Low pressure drops at full scale flow.
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CEMS
FMD 09
IMR Environmental Equipment, Inc.
The continuous measurement of velocity and temperature of gas flows is much important at operation of a system with flowing gases (e.g. hall outlet air, exhaust etc.).
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Pressure Controllers for Flowing Processes
Alicat Scientific, Incorporated
Use pressure controllers when gas is flowing through a process. They control absolute, gauge, or differential pressures, and can measure in-line pressures or be plumbed to measure process pressures at any point.
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Gas Meter Synthetical Test Bench
SY8506
Hong Kong Songyang Industrial Ltd.
The test of the error of the rate of flow:Using the gas flow standard device (in the shape of the bell prover) as our standard equipment, we can figure the standard volume of the tested gas by using the high-precision revolving encoder to measure the descending displacement of the bell prover.
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4 Point Probe Sheet Resistance/Resistivity Measurement with Temperature Controled System
TCR-600
*Controlled Thermo-chuck (room temperature～600℃/less than 20 minutes)*600C compatible probe head with 1mm linear*Controlled with vacuum sensor, digital thermo-meter, vacuum gauge and gas flow meter*Temperature measuring accuracy：±（0.5% + 1℃）
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Gasmet Calibrator
Gasmet portable calibrator is one of the most important tools in generating new applications for the Gasmet FTIR gas analyzer. The calibrator incorporates a syringe pump, a manual needle valve, a mass flow meter, and a stainless-steel injection chamber. The syringe pump injects precise amounts of liquid or gas into a hot nitrogen gas flow, thus producing a continuous flow of a known concentration calibration gas.
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Automatic Thermogravimetric Analyzer
LD-LTGA-A10
Automatic Thermogravimetric AnalyzerLD-LTGA-A10is a high performance, efficient unit designed to study thermal stability of materials and its allied components. It offers a resolution of 0.1 ºC and works between temperature range of room temperature to 1000 ºC. Operates in an inert, oxidizing, reducible, static and dynamic atmosphere and possess two-way gas and control flow volume.
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Vapor Source Mass Flow Controller With Viscous Choked Flow
The 1150C Vapor Source Mass Flow Controllers are pressure based measurement and control systems designed to meter and control vapor from low vapor pressure liquid and solid sources directly, without the need of a carrier gas using viscous flow through a choked orifice.
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Dual Pitot Tube Flow Meter
PTFM-ONE-DT
The Dual Pitot Tube Flow Meter, PTFM-ONE DT is a standalone interface for measuring exhaust gas flow rate of combustion engines. The system uses the tried-and-tested pitot tube principle with high-frequency transducers, with a sampling rate of 1kHz to accurately measure highly pulsating exhaust flows. This rapid capture rate ensures that any pulsations or exotic behaviour caused by the engine is measured, and the unique design of the PTFM-ONE DT means reverse flows can be calculated, with the same guarantee of sensitivity.
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Certifier Flow Analyzers
TSI Certifier™ Gas Flow Analyzers are multi-functional pneumatic test systems capable of measuring flow, pressure, temperature, and oxygen concentration. They are ideal for testing ventilators, anesthesia workstations, and any other respiratory medical device that produces flows or pressures.
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On-board Emissions Measurement System
OBS-ONE PN Unit
The OBS-ONE PN unit is an on-board emissions measurement system for analyzing the solid particle number concentration within the specified particle size range under real-world driving conditions. The unit uses a condensation particle counter which is recommended principle by the Particle Measurement Programme (PMP), one of working groups affiliated with UNECE.The PN unit combines with the GAS unit to measure the specified exhaust gas components, along with the exhaust gas flow rate, the GPS position, and the atmospheric conditions (temperature, humidity, pressure).
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Process Particle Size Analyzers
Parsum Range
Parsum Probes use Spatial Filter Velocimetry to deliver in situ, real-time size and velocity measurements for solid particles suspended in a pneumatic or gravity flow gas stream. Robust, dustproof and waterproof they measure particles in the size range 50-6000 µm with velocities from 0.01-50 m/s and are suitable for any industrial environment.
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Ultra-thin Mass Flow Controller
DZ-100
The DZ-100 inherits the same CRITERION™ technology—a differential pressure detection system for laminar viscous flow ranges—used on HORIBA STEC’s MFC, the D500. This innovative technology controls the mass flow of various gases with high precision. As with the D500, the user-configurable DZ-100 supports multi-range and multi-gas applications. The compact design of the MFC reduces the internal volume of the internal gas flow path, and the optimized control algorithm improves response characteristics. It uses a compact CPU with high processing capacity, and the piezo drive circuit and control CPU are installed in the MFC module while the power supply components are housed in a separate small control box. Up to four MFC modules can be controlled by connecting them with the dedicated miniature connectors.
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Digital "A" Flow Controller for Medium Flow
HFM-D-305A / HFC-D-307A
Fast Response, Tight Accuracy!Mass flow techniques provide RELIABLE, REPEATABLE AND ACCURATE gas flow rate measurements.HFM-D-305A/HFC-D-307A mass flow instruments have flow ranges from 0-1000 slm to 0-2500 slm; provide analog and digital outputs, and are constructed of stainless steel. Easy, user friendly digital communications with windows based software interface available. Available with a variety of elastomer seals for maximum flexibility.Self diagnostics of the sensor, valve and overflow are included in the digital features. Also of interest is the auto zero feature which detects when the valve is closed and automatically resets the zero. These mass flow meters and controllers can store up to 10 calibrations of different ranges and gases. Another feature is the built in totalizer for monitoring gas usage under user set conditions.
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Test Rig for Flashback Arrestors
The WITT test rig allows for the testing of flashback arrestors and check valves on a regular basis.With just one device all performance tests can be carried out: leak-tightness to the atmosphere, test of check valves against reverse gas flow, functionality of the pressure sensitive gas cut-off valve and measurement of the flashback arrestors’ flow capacity.The Test Rig 722 is easy to use, has a robust design and requires no maintenance.
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On-board Emissions Measurement System
OBS-ONE PM unit
OBS-ONE PM unit is the industry-leading on-board Particulate Matter (PM) measurement system. It collects PM on a filter paper, using a partial flow gravimetric sampling method, while simultaneously measuring real-time PM. A key feature of this design is the use of a venturi flow meter which enables reliable proportional sampling and accurate exhaust gas flow measurement under transient flow conditions. Combine the GAS unit and PM unit to perform certification tests on heavy duty and non-road vehicles.
