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Honeywell's closed loop current sensors consist of a Hall-effect sensor mounted in an air gap of a magnetic core, a coil wound around the core and a current amplifier. The current carrying conductor placed through the aperture of the sensor produces a magnetic field that is proportional to the current. The core concentrates the magnetic field which is measured by the Hall sensor. The Hall sensor is connected to the input of the current amplifier, which drives the coil. The current through the coil produces an opposing field to that provided by the current through the aperture. The magnetic flux in the sensor core is constantly controlled at zero. The amount of current required to balance zero flux is the measure of the primary current flowing through the conductor, multiplied by the number of turns on the coil. This current can be expressed as a voltage by passing it through a resistor. Variety of package styles available.
Best Used For:
Applications requiring high linearity and accuracy, fast response and low temperature drift such as variable speed drives, overcurrent protection, current feedback control systems, robotics and welding power supplies.
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Honeywell open loop current sensors consist of a Hall-effect sensor mounted in an air gap of a magnetic core. The current carrying conductor placed through the aperture of the sensor produces a magnetic field that is proportional to the current. Open loop current sensors measure dc and ac currents, and provide electrical isolation between the circuit being measured and the output of the sensor. Variety of package styles available.
Best Used For:
Applications requiring galvanic isolation such as battery circuit management.
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Features
The Model T7900 Series Electro-Pneumatic Transducers include the Model T7900 with Analog Output and the Model T7900D with
DeviceNet TM Communication. The Model T7900 controls pressure in
proportion to an analog electrical input signal.
An internal feedback sensor industrial monitors output pressure to achieve high accuracy. The Model T7900D Transducer with DeviceNetTM Communications controls output pressure in response to a digital
communication command.
Common Features of the T7900 & T7900D
- RFI/EMI protection eliminates electromagnetic and radio interference.
- Output pressure displays in psig, BAR, kPa, or user-defined pressure units.
- Reverse acting capability for analog input
and output signals.
- Select Current or Voltage mode for input signal or optional analog channels using the keypad.
- Independently adjustable PID tuning coefficients.
- Fully functional keypad and display.
- Backlit Liquid Industrial crystal display screen. |
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Features
- Internal electronic feedback maintains
precise output pressure control.
- Piezoelectric actuator disk provides
stability regardless of vibration or position.
- RFI/EMI protection eliminates susceptibility
to electromagnetic interference.
- Field selectable outputs in three pressure
ranges match final control element
requirements.
- Field reversible feature provides output
that is directly or inversely proportional to
input signal.
- Does not contain copper-based metals.
- Compact size for use in restricted areas.
- Damping adjustment allows tuning for
optimum response.
- Optional version approved for use with
Natural Gas or Industrial Methane as a
supply media.
- Explosion-proof NEMA 4X, IP65, Type 4
enclosure for outdoor and indoor
installations.
- Optional tapped exhaust port vents
exhaust gas.
- Canadian Registration Numbers (CRN)
certification for all territories and provinces. |
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Din track mounted electronics,
Aluminum encased electronics,
Edge-connector PCB electronics for OEM use.
Ranges: 0.5mm to 15mm |
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Non-contact displacement sensors using eddy current technology measure distances, displacements, or positions of any electrically-conductive target. These objects may have both ferromagnetic and non-ferromagnetic properties. Due to the high insensitivity to oil, dirt, dust, moisture, interference fields, etc. the eddy current principle is ideally suited to applications in harsh industrial environments.
Eddy current sensors designed for industrial use in factory automation, for machine monitoring, for inspection and for measuring and testing.
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Measure without contact of metal displacements of objects in beaches of 0-2 mm to 0-12 mm
Linearity 1% of the measurement bracket
Frequency of measurement up to 10 Khz allowing the observation of vibratory phenomena
Stainless steel construction, sealing IP 65
Operating temperature of -30°C with +180°C
Analogical exit in tension or running |
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| The MTI Instruments Apex Series Eddy current probes offer superior performance at an economical price. flexible in design, these systems allow custom configurations to match your process needs. With linear measurement ranges from 0.5 mm to 50 mm and frequency response of up to 10 kHz, they are ideal for displacement and vibration applications that require high-speed, rugged sensors. Eddy current detection have unique advantages over other non-contact measurement technologies in that they are unaffected by water, oil or other contaminants in the measurement area. |
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Programmable set-up, digital processing, pressure rating up to 100 PSI, integral LED display modes, Din rail or Panel mount, lightweight compact design, multiple input modes, front touch key control.
The DSV-100 accepts either current, voltage or touch key input. The microprocessor based industrial converter delivers high accuracy pressure regulation with extremely low dynamic response times for improved process control and high product quality. The lightweight design and compact DIN rail mount package maximizes panel component density while the push-in type 1/4" pneumatic hose connectors and 5 pin style electrical connection with molded cable assemblies minimize installation time and cost. |
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| Thermo Fisher Scientific's state-of-the-art E-Pi Technology uses minimal electrical energy and air consumption to convert an electronic input signal (4-20mA or 10-50mA) to a proportional pneumatic output signal (3-15 PSIG, 0.2-1 Bar, etc.). |
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Pressure measurement
Honeywell range of pressure transducers are designed to offer a highly accurate and stable piezoresistive pressure capsule, within a low cost OEM package. Whilst they can be used in various applications, the most common applications are environments that require the pressure of refrigerant gas to be monitored.
The pressure transducers measure pressure in the following ranges: -1 to 14 bar and -1 to 34 bar. The transducers produce a 0-10V or 4-20mA output to a controller or monitor.
Applications
Compressor manufacturer pack controllers
Condenser fan controllers
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Versatile and easy to use. The IPT-E Current to Pressure transducer provides superior response, accuracy, and flow characteristics, which are critical in precise tensioning applications. Designed to operate pneumatic brakes and clutches, the IPT-E comes ready to use requiring no calibration, and operates on 115/230 vac, normal dry shop air, and accepts a 4-20 ma control input signal.
The unit's small size is the result of its surface mount technology design and single manifold construction. The IP65 enclosure provides protection against dirt and liquids common in factory environments, and allows the IPT-E to be mounted near the brake or clutch for maximum response and controllability. It can be mounted in any orientation with no affect on performance. |
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| An extensive range of high specification transducers providing measurement, isolation and conversion of electrical parameters into industry standard DC output signals, RS232 and Modbus. The ranges offer protection against high voltage and overload, and are resistant to vibration in harsh electrical environments. |
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* The only two-in-one current/voltage detector designed for electrical testing
* Non-Contact AC Voltage detection
from 12V to 600VAC
* Non-Contact AC Current detection
from 200mA to 1000A
* Sensitivity adjustments to increase or
reduce sensor trigger threshold
* Current sensor detects current flow through shielded wires, conduit, and metal circuit breaker/junction boxes |
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* Non-contact AC Current range
is from 200mA to 1000A
* Locates current flow even where
voltage detectors cannot work
* Detects through shielded wires, conduit, and metal industrial circuit breaker or junction boxes
* Sensitivity adjustment for locating wires/conduit through walls
* Audible and visible indication |
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PCM+ and PCM Transmitter
Combined with its new high performance transmitter the PCM accurately and easily locates and maps the pipeline for up to 19 miles, providing simultaneous measurement of PCM Current and Voltage Gradient, even in areas where there is contact with other metallic structures, interference, or congestion. This eliminates the need for the pipeline technician to perform direct connection 'current spans' and manual calculations to determine CP currents along the pipeline reducing false indications and minimizing unnecessary excavations. Any current leakage fault in the pipeline coating can be further narrowed down to within 3 feet by use of the A frame.
PCM Receiver, Key features
Precision Locator and PCM in one unit
- Accurate, high over-sampled measurements, 96000 Samples/sec
- 8kHz Fault Find
- Improves fault indication integrity
- Minimizes unnecessary excavations
- Identification of pickup/discharging from 3rd party CP Systems
- Low power for full day survey (2 x D Cells) |
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| ZincTape comprises a layer of 99,99% pure zinc 80 microns thick with 25 microns of adhesive protected by a removable siliconised paper. It is available in rolls or in shapes based on the customer's needs. A feature of the new laminated zinc tape is its electrically conductive bonding:this is achieved by incorporating a percentage of powdered zinc into the adhesive during manufacture. Since it's very easy to apply ZincTape, our product can be used in different fields, such as automotive and railway sectors, refineries, pipelines, industrial tanks, poles and stakes and others. |
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* The only two-in-one current/voltage detector designed for electrical testing
* Non-Contact AC Voltage detection
from 12V to 600VAC
* Non-Contact AC Current detection
from 200mA to 1000A
* Sensitivity adjustments to increase or
reduce sensor trigger threshold
* Current sensor detects current flow through shielded wires, conduit, and metal circuit breaker/junction boxes |
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| The MIZ-21B offers all of the technology, packaging, and user interface enhancements of the MIZ-21SR. It incorporates the power of dual-frequency testing, digital conductivity testing, and nonconductive coating thickness measurement. Its industry standard 50-ohm probe drive provides the optimum balance between probe input and instrument output. Yet it's priced to provide excellent value when you need a dedicated eddy current instrument. |
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