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Absolute Pressure
combined gauge and atmospheric pressure.
See Also: Pressure, Differential Pressure
- Pickering Interfaces Inc.
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PXI Strain Gauge Simulators & Pressure Transducer Simulators
We offer simulation modules for Strain Gauge Simulation – used in mechanical systems to measure the tension or compression of structural components. These modules may also be used to simulate Wheatstone Bridge Pressure Sensors/Transducers. Simulation requires extremely fine setting resolution with high accuracy and temperature stability.
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Manometers
We offer manometers to determine absolute pressure, negative pressure or differential pressure in air and liquids. All our manometers are controlled by micro processors to guarantee the highest accuracy. Our manometers display quick results and our technical staff will advise you regarding our measuring instruments.
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General Performance Absolute Pressure Switches
These absolute vacuum / pressure switches offer fast, accurate, and reliable protection for vacuum equipment and processes. Designed for applications where a DC signal output is not required, these pressure switches provide relay outputs that are readily interfaced with alarms, valve actuators, computers, process controllers, or other protection devices.
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Pressure Transducers
Alicat Scientific, Incorporated
Use pressure transducers to rapidly measure absolute, gauge, or differential pressure. Common configurations include portable and anti-corrosive designs. Custom build options include anti-corrosive and portable configurations.
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Pressure Calibrators
We offer pressure calibrators as portable and as workshop models. Pressure measurement is performed with internal and/or external pressure modules for better flexibility. Pressure measurement ranges go from vacuum up to 1000 bar (14,500 Psi). Both gauge (vacuum and positive) and absolute pressure can be measured with same modules meaning you don’t need to buy so many module for greater flexibility. Also, intrinsically safe pressure calibrators are available for use in hazardous areas.
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Web Sensor
T7511-2
Web Sensor with relative humidity and temperature probe on the cable. Built-in atmospheric pressure sensor.High precision capacitive polymer sensor ensures excellent long term calibration stability and ultimate accuracy. Dual line LCD is an advantage. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio and specific enthalpy.
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High Performance Heated Absolute Pressure Transducers
These high performance Baratron® capacitance manometers have the sensor located in a temperature controlled constant temperature oven for improved accuracy. They are available with an analog output or digital communications for measuring absolute pressure.
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AA06A Baratron® Absolute Pressure Sensor
AA06A Baratron® absolute pressure sensors are single-ended dual-electrode/AC bridge devices that are extremely stable and designed to minimize the effect of temperature changes. Full Scale ranges are available from 25,000 Torr down to 0.1 Torr. Each range measures down to 1 part in 106 Full Scale with selected percent Reading accuracy limited by this resolution and with accuracies ranging from 0.25% to 0.05% of Reading. They are constructed of Inconel® and stainless steel, allowing use with many wet, dirty, or corrosive gases.
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High Temperature Absolute Pressure Transducers
Our high temperature Baratron® capacitance manometers are controlled to temperatures of 150°C or higher for use use in demanding semiconductor manufacturing vacuum processes such as metal etching and nitride film chemical vapor deposition (CVD).
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Miniature Pressure Transducer
EPT1200
The EPT1200 series of Pressure transducers has a miniature design using a hermitically welded, thin filmmeasuring cell, coupled with high level output circuitry. This technology ensures this sensor is suitable for some of industries harshest environments, including automotive, industrial hydraulics, refrigeration, off-road, construction and agricultural applications. The EPT1200 and 1500 series offer measurements in gauge and absolute pressure, with ranges up to 400 Bar and are backed by a one-year warranty.Miniature design | Rugged construction | Wide operating temperature range | Long life High performance
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Barometer-Manometer-Thermometer Data Logger
HD2114B.2
Barometer-Micromanometer-Thermometer with built-in barometric sensor (600…1100 mbar) for absolute, relative and differential pressure and temperature measurements.
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Pressure Sensors
The output voltage of this sensor changes with absolute pressure. An internal amplifier creates a single-ended, amplified output in the 0 to 5 Volt range, so the sensor can be connected directly to most control units. The body and diaphragm are impervious to chemical attack by standard motorsport fluids.
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Ultra Low Pressure Transmitter
P532
Validyne's P532 Pressure Transmitters are ideally suited for measuring extremely low liquid and gas pressures in industrial applications. Full-scale differential pressure ranges from 0.10 H2O to 2 H2O with line pressure rating of 100 psig, and ranges of 2 H2O to 3200 psid with line pressures up to 3200 psig are offered. Gauge pressure ranges start at 0.10 H2O and absolute pressure from 0.08 psia full-scale. This unique design, which utilizes a diaphragm-type variable reluctance pressure sensor, provides many outstanding advantages including:
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Multivariable Transmitters
The Multivariable transmitter measures and calculates the mass flow as a function of differential pressure DP as well as absolute pressure and the temperature. Therefore it should be used whenever DP flow measurement needs a compensation of temperature and pressure. The main advantage is to have just one single device in the field instead of several transmitters and a mass flow calculator.
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Micromanometer-Thermometer – 20 mbar
HD2114.0
Portable pressure micromanometer thermometer with 20 mbar built-in sensor. It measures absolute, relative and differential pressure, as well as temperature.
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Pressure Gauges
Digital and analog pressure gauges in absolute, barometric, gauge, differential, sealed gauge, and vacuum pressures in a variety of pressure units including bar and psi up to 25,000 psi.
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Variable Reluctance Absolute Pressure Sensor
AP10
The AP10, Absolute Pressure Sensor, is designed for low and medium pressure measurements, to laboratory accuracy, of corrosive liquids and gases. In typical AC excited bridge circuits, this transducer delivers a full-scale output of 40 mV per volt at 3kHz. The unit operates with carrier systems including the Validyne CD15 sine wave carrier demodulator and CD16 miniature DC input DC output carrier demodulator to produce a high level analog DC output suitable for recording and control.
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Barometer-Manometer-Thermometer
HD2114B.0
Barometer-Micromanometer-Thermometer with built-in barometric sensor (600…1100 mbar) for absolute, relative and differential pressure and temperature measurements.
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Digital Pressure Meter
ZET 7012-A VER.2
The digital pressure meter ZET 7012-A VER.2 is used for fast measuring of absolute pressure and transfer of the data obtained in digital format via interface RS-485 or 4-20 mA.
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Capacitance Manometer
VG-200S
Absolute pressure measurement is crucial for most of vacuum processes in various industries including Semiconductor, FPD, HDD, PV and Coating. A capacitance manometer determines the total pressure from the deformation of the diaphragm that occurs when a pressure difference is applied to both side of the diaphragm.
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Vacuum Meters
Portable meters for absolute vacuum pressure measurements in hospital labs, crystal growing, solvent recovery, distillation, and rotary evaporation.
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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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Pressure Micromanometer – Thermometer Data Logger
HD2164.2
Portable Micromanometer-Thermometer data logger with 2000 mbar built-in sensor. It performs measure of absolute, relative, differential pressure and temperature.
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Temperature, Humidity, Bar. Pressure Transmitter
T7311
Humidity, temperature probe on a cable. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy. Built-in pressure sensor.
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Micromanometer-Thermometer – 200 mbar f.s.
HD2134.0
Portable pressure micromanometer thermometer with 200 mbar built-in sensor. It measures absolute, relative and differential pressure, as well as temperature.
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Air Velocity Meter
Measures air speed, temperature and humidity. It is ideal for spot measurements at air outlets on account of its 30mm vane. In addition to air speed and temperature, also measures air moisture and absolute pressure.
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Pressure Recorders
AMETEK Sensors, Test & Calibration
Our recorders are capable of storing gauge pressure, absolute pressure, temperature, current, and voltage. They can collect readings as quick as ten times per second, and can store up to 1 million data points. The included easy-to-use software communicates with the recorders and then saves the data into industry standard spreadsheets or tamper-proof pdf documents. With the nVision family, recorded runs can also be viewed on the graphical display of the unit itself.
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Analog And Digital Flow Meters
4000 Series
Whether measuring gas flows in a laboratory or manufacturing setting, TSI thermal mass flow meters provide accurate results with multiple data output options. The TSI 4000 Series inline flow meters were designed for ultra-low pressure loss to minimize flow circuit back pressure and its impact on the system. The meters include digital and analog outputs for flow rate, absolute pressure, and temperature. Volume measurements can be made through the RS232 digital interface.
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Pressure Sensors
The output voltage changes with the absolute pressure applied to the pressure port. The gain, offset and thermal drift of the pressure sensor is digitally compensated to minimise errors and to create a single-ended, amplified output in the 0 to 5 Volt range.
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Temperature, Humidity, Bar. Pressure Transmitter
T7411-2
Humidity, temperature probe on a cable. Measured values are also converted to other humidity interpretation: dew point temperature, absolute humidity, specific humidity, mixing ratio, specific enthalpy. Built-in pressure sensor.
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Pressure Controllers For Closed Volumes
Alicat Scientific, Incorporated
Use dual-valve pressure controllers to measure and control absolute, gauge, or differential pressure in closed volumes. Pressure controllers are accurate to ±0.25% of full scale, with a measurement range from 0.01-100% of full scale.
