Products/Services for Resistance To 4 - 20 MA Converter Vendor
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Signal Converters - (679 companies)...produce output signal voltages that are a function of the input current. Current loop converters convert an analog or digital signal to a current loop output such as 4 - 20 mA or 0 - 20 mA. Charge converters are devices that convert the charge output...Signal Converter TypeDifferential ChannelsSignal Converter Package -
Current Loop Converters - (83 companies)Current loop converters convert an analog or digital signal to a current loop output such as 4-20 mA or 0-20 mA. Current loop converters receive signal inputs from devices such as sensors and produce analog outputs in the milliamp (mA) range... -
Frequency-to-Current Converters - (64 companies)...frequency range from 0.5 to 700 Hz and an output frequency range from 4 to 20 mA DC. Producing the current for standard 4-20 mA loop circuit monitors. The 4-20 mA loop is widely used in process automation applications because it is reliable, inexpensive... -
Sensor Transmitters - (476 companies)Sensor transmitters are measurement or signal conditioning packages that provide a standard, calibrated output from a sensor or transducer in the form of a current loop output (e.g., 4-20 mA). Sensor transmitters provide standard, calibrated outputs... -
Thermocouple Temperature Transmitters - (340 companies)Devices that receive analog voltage inputs accept and condition voltage inputs such as 0 - 10 VDC. Devices that receive analog current inputs accept and condition current loops such as 4 - 20 mA. Devices that receive resistance inputs accept... -
Signal Conditioners - (1039 companies)...loop output such as 4-20 mA or 0-20 mA. Charge converters convert the charge output from a piezoelectric, capacitive or other charge-producing sensor to a signal such as analog voltage or current. Digital Conversion. Data acquisition is the digitizing...
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Current Sensors - (403 companies)Hall device is then exposed to a magnetic field from the core and it produces a potential difference that can be measured and amplified into process level signals such as 4-20mA or a contact closure. Inductive- Inductive sensors use a coil through...
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Transformers - (2118 companies)...and current load: 6 heating elements at 500mA (or .5 A) each. 4 indicators at 100 mA (or .1 A) each. 1 lamp at 1 A. This circuit's power rating is calculated as: [(6 x 0.5) + (4 x 0.1) + 1] x 24 = 105.6 VA. When precisely calculated, power rating...
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Digital Resistance Meters - (194 companies)Digital resistance meters are instruments that measure electrical resistance. They use solid-state components and display values digitally. Resistance, which is measured in ohms, is the opposition to the flow of electric current of a conductor...
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Analog Resistance Meters - (81 companies)Analog resistance meters are instruments that measure electrical resistance. They display values on a dial, usually with a needle or moving pointer. Resistance, which is measured in ohms (W), is the opposition to the flow of electric current...
Product News
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DigiKey
MAX77859 Buck-Boost Converter ADI's MAX77859 is a high-efficiency, high-performance buck-boost converter targeted for systems requiring a wide input voltage range (2.5 V to 22 V). The IC can supply up to 6 A of output current in buck mode and 4 A in boost mode (VIN = 3.7 V, VOUT = 5 V). The IC allows systems to change the output voltage dynamically through the I2C serial interface. MAX77859A features an I2C-adjustable output current limit with resolutions of 50 mA/step (with 10 m O sense resistance) to support USB-C (R) PPS... (read more) -
Arjay Engineering
Capacitance Level Transmitter 4-20 mA Manual. Drawing. Brochure. Sample Specifications. Continuous level monitoring that won't foul or fail you. The 2880-LT uses HF capacitance technology -- no moving parts, no routine cleaning. Probe-mounted electronics with 4-20 mA output. 2880-LT Probe Mounted Transmitter. The 2880-LT provides reliable monitoring of liquids and solids for a continuous level output. The probe continuously monitors product levels to provide a proportional level signal for pumps, alarms or control system interface... (read more)Browse Level Sensors Datasheets for Arjay Engineering -
RDP Electrosense
DCC Series 4–20 mA 2-Wire Displacement Transducers DCC Series 4 -20 mA, 2-Wire Displacement Transducers. RDP 's DCC Series delivers accurate, reliable displacement and position measurement using proven LVDT technology. With no electrical contact between the moving armature and the body, LVDTs provide clean data, infinite resolution, and exceptional long life --ideal for demanding industrial environments. These 4 -20 mA, 2-wire LVDT transducers combine the robustness of LVDT sensing with the simplicity of a 2-wire interface. Models are available... (read more)Browse Linear Position Sensors Datasheets for RDP Electrosense -
Knick Interface LLC
Isolated Resistance Transmitter for High Voltage The P44000 temperature transmitter for high-voltage applications converts the resistance of a 2- or 4-wire. Pt100 resistance thermometer into a 4 to 20 mA signal with high accuracy and short delay times. The output signal is protected by being galvanically isolated from the input signal and the voltage supply. Facts and Features of the P44000: - 2- or 4-wire connection. - Fixed range models for 0 to 150 C, 0 to 200 C and 0 to 300 C input ranges. - Impressed output current of 4 to 20 mA. - Compact... (read more)Browse RTD Temperature Transmitters Datasheets for Knick Interface LLC -
Richardson RFPD
Wolfspeed Gen 4 MOSFETs Wolfspeed offers a new family of 1200 V Silicon Carbide (SiC) MOSFETs that are optimized for use in high power applications such as solar and energy storage systems, EV charging, Uninterruptible Power Supplies (UPS), motor drives, switched-mode power supplies, high-voltage DC/DC converters, and more. Based on a new technology generation, Wolfspeed 's 1200 V SiC MOSFETs include a range of on-resistance options that enable designers to select the right part for their applications. Why Industrial... (read more)Browse Power MOSFET Datasheets for Richardson RFPD -
Master Bond, Inc.
Non-Drip Epoxy Features Acid Resistance The system 's chemical resistance was successfully tested in chemicals such as 98% sulfuric acid, 25% hydrochloric acid, 20% phosphoric acid, and 15% nitric acid, by soaking cured samples for more than 12 months ", says Senior Product Engineer Rohit Ramnath. "The product also passes the damp heat reliability testing by withstanding 1000 hours of 85 C and 85% Relative Humidity (RH). ". Although EP21ARHTND-2 is capable of curing at room temperature, to optimize its acid resistance properties... (read more)Browse Epoxy Adhesives Datasheets for Master Bond, Inc. -
Knick Interface LLC
Universal Transmitter for Resistance Applications The Knick A20230 provides connection possibilities for all standard potentiometers for angle, position determination, path measurement, or setpoint specification. Any special measuring task can be addressed with customer specific versions of A20230 in the same 6 mm housing. https://www.knick-international.com/en/products/interface-technology/proline/resistance-transmitters/sensotrans-r-a-20230/. Facts and Features. Universal usability: with potentiometers, resistive sensors, remote resistance... (read more) -
Marki Microwave LLC
High Power 20 GHz Limiter The HLM-20BH is a wideband GaAs Schottky diode limiter delivering up to 4 W power handling and 30 dBm IP3 across DC to 20 GHz. With low 1 dB insertion loss, excellent 15 dB return loss, and a 15 dBm compression point, it 's ideal for high-linearity signal chains and protecting sensitive components. (read more)Browse RF Limiters Datasheets for Marki Microwave LLC -
DigiKey
MIC24097 20 A Synchronous Buck Regulator is ideal for powering digital loads like FPGAs and ASICs, where tight regulation and fast response are critical. Its compact footprint and integrated features simplify design and reduce BOM cost. Features. Input voltage range: 4.5 V to 20 V. Output current: up to 20 A continuous. Adjustable output voltage: 0.6 V to 12 V. +-0.5% output accuracy over -40 C to +105 C temperature range. Programmable switching frequency: 270 kHz to 800 kHz. Integrated high-side and low-side MOSFETs. Internal LDO... (read more)Browse IC Voltage Regulators Datasheets for DigiKey -
ARDE Barinco, Inc.
Reversible Homogenizer Model CJ-20 of the mix container. Finally, by adjusting to a lower speed and placing the baffle plate at the surface of the liquid at rest, deaeration is effected with the UP Mode. So 4 different mixing capabilities are possible with the Reversible Homogenizer. Economy along with high capability make the CJ-20 the "go to" mixer for making craems and lotions, pigment dispersions, flavor emulsions and many other high quality products. (read more)Browse Industrial Homogenizers Datasheets for ARDE Barinco, Inc.
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ISA ELEC INSTR HAZ LOCAT - ELECTRICAL INSTRUMENTS IN HAZARDOUS LOCATIONS
(b) A 4 mA to 20 mA controller that drives an inductive load, such as an electromagnetic valve positioner or transducer, is usually safe; but in some cases it is necessary to ensure that a vendor 's diode-shunted model is used … If a device such as a controller or a thermocouple-to-current converter is not certified, measure … Assess the safety by looking at the resistive ignition curves, applying a test factor of 1.
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TMACS system description
Since TC input and Resistance Temperature Detector (RTD) modules generally monitor a sensor that is inaccessible for … For other input modules such as 4 - 20 ma , it may be possible to perform a loop calibration with the associated instrument in the field. These procedures are presently being converted to "TF" procedures. Vendor information for TMACS Acroinag I/O Processor is contained in VI file number 22138. Supplement 1 of this file contains information on the converters and repeaters used for the RS-485 …
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Product Round-Up: Instrumentation & control
The stand-alone, handheld CR-400 is a colorimeter that measures samples, compares to targets, displays data, stores up to 1,000 readings and interfaces with a PC or the vendor ’s DP-400 processor. The digital version, priced at less than $ 20 in volume, communicates via an RS232 link. Analog versions are available with a 4 -20 mA or 0-5 volt output. It operates from a 9 VDC power source or AC power using a converter , plus there’s an … A vandal- resistant dual-password system allows for local or remote downloading of data.
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Where are power supplies headed?
today’s 3 mR with 7 nF of gate capacitance and switching speeds of -50 ns, to an on- resistance of about 0.2 ma , with gate capacitance of 200 pF and switching speeds of -5 ns. Such materials would need to be made with inexpensive fabrication methods to handle power levels of 20 W and more, in order to develop isolated power converters capable of powering future microprocessors and other high-current loads. … improvements discussed, what is required is a much stronger partnership between power supply manufacturers, customers and vendors . [ 4 ] W.Gu,R.
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CR4 - Thread: NTC Thermistor for Temperature Control
Furthermore, vendors offer panel meters and controllers that compensate internally for thermistors' lack of linearity." They are resistive devices, and accordingly they function by passing a current through a sensor. Go to Next Good Answer Buy a transmitter and use a 4 - 20mA analog input on the PLC http://www.datexelusa.com/DAT4531C_Isolated_ converter _Thermistor.html .
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Sensors Handbook, Second Edition > FIVE NEW TECHNOLOGIES FOR WEIGHT SENSING INSTRUMENTATION
Communication of weight information to process control computers has often been accomplished using the tried and true 4 – 20 - mA analog signal. The primary reasons for resistance to using digital serial communication links has been cost and risk. … terms of hardware, a simple local area network communicating via a gateway device to the host computer … … MODBUS drivers are currently available from virtually all the major DCS, PLC, and PC control software vendors . Schweber, Bill, “The Pros and Cons of Sigma-Delta Converters ,” Machine Design (July 25) (1991).
