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Continuously changing variable data and control methods are often required in process control. Process variables such as pressure, flow, level, and temperature are sensed, transmitted, and converted for continuous or batch processing by a wide variety of instrumentation.
Process Control and Process Measurement
Category Selection
- Temperature / Process Controllers
- Digital Panel Meters
- Graphical Panel Meters
- Hour Meters and Counters
- Temperature Sensors & Temperature Transmitters
- Pressure Sensors / Pressure Switches / Pressure Transmitters
- Pressure Gauges & Thermometers
- Liquid Level Sensors and Controllers
- Flow Sensors / Switches / Transmitters / Meters
- Signal Conditioners / Signal Isolators
- Current to Pneumatic (I/P) Transducers
- Potable Water Pressure Regulators
- Solenoid Process Pipeline Valves
- Power Meters
- Pocket Portal
Different from discrete (ON/OFF) control, process control and measurement devices sense changing values over a set range (ex. 4 to 20mA) that are transmitted during continuous (flow production) or batch (a set quantity or output) processing. Some of the most common variables used for process control are pressure, flow, level, and temperature.
- Pressure sensing devices measure pressure at a specific point in the process and transmit the measured value to a control device that may perform functions such as opening/closing a valve to regulate the pressure.
- Flow sensing devices measure the flow rate (volume per unit of time) and/or consumption (total flow) of liquid traveling through a system.
- Level sensors monitor the level of liquids, pellets, powders, and other similar products in tanks and process systems.
- Temperature switches integrate sensing and a setpoint-tripped output; transmitters receive the measured variable from a sensor (or have an integral sensor) and convert it to an output more typically compatible with industrial monitoring or control devices; controllers combine sensing and control of the variable in one unit.
- Other devices used for process control systems include displays for monitoring process values, signal conditioners, and process valves.
Process Control and Instrumentation Overview
Temperature / Process Controllers
Process controllers take a signal from a temperature device, such as a thermocouple or RTD, or from a pressure/flow/level sensor, and maintain a setpoint using an output signal (relay, voltage pulse, current, or linear voltage depending on model). Various controllers are available that support modes such as PID, ON/OFF, Ramp/Soak and Manual.
- Basic and standard temperature controllers offer single-loop control of temperature heating or cooling processes
- Advanced process controllers accept analog and thermocouple signals for ON/Off or PID control of temperature, pressure, level or other applications
- Accessories include mounting hardware, cables and software
Digital Panel Meters
ProSense digital panel meters are available in 1/32 DIN and 1/8 DIN meter sizes with simple menu-driven pushbutton configuration.
- Wide variety of input signals can be accepted for process, temperature, load cell and other applications
- Available output options include alarm relays, analog signal retransmission and sensor excitation voltage
Graphical Panel Meters
Low-cost graphical panel meters with versatile programmable features and user-configurable alarms provide critical power or process data at a glance.
Meter Types
- Power Meters display current, voltage or frequency
- Current Meters display CT inputs as scaled current
- Process Meters display analog inputs as scaled process data
- Rate Meters display cyclic discrete inputs as frequency or cycle time
- Temperature Meters display thermocouple inputs as temperature
Hour Meters and Counters
Trumeter hour meters and counters provide reliable counting and run hours tracking metered from processes, equipment or machinery. These units are available in a variety of input voltage ranges and mounting options.
- Battery powered LCD hour meters
- Electromechanical hour meters
- Battery powered LCD counters
- Electromechanical counters
- Gaskets and accessories
Temperature Sensors & Temperature Transmitters
Newest Additions!
- Infrared pyrometers
Temperature switches, sensors, transmitters, thermowells and thermocouples provide accurate temperature monitoring and control.
- Temperature switches
- Digital temperature switches and transmitters
- Thermocouple and RTD probes and sensors
- Temperature transmitters with thermocouple input or integral sensor
- Temperature transmitters with RTD Input
- Infrared pyrometers
- Programmable temperature transmitters (thermocouple or RTD Input)
- Temperature transmitters with M12 quick-disconnect for fast mounting
- Thermowells and fittings
- Thermocouple wire and RTD extension wire
Pressure Sensors / Pressure Switches / Pressure Transmitters
Newest Additions!
- Winters pressure sensing accessories
ProSense pressure switches and pressure sensors monitor system pressure in hydraulic and pneumatic applications and vacuum systems.
- Electronic pressure switches feature a gas-tight measuring cell that detects gas and liquid pressure
- Mechanical pressure switches are designed for the toughest applications
- Compact pressure transmitters and vacuum transmitters with analog output for pressure indication
- Transmitters with stainless steel sensing element
- Digital pressure switches/transmitters
- DIN rail mount differential pressure transmitters
- Process-mounted differential pressure transmitters with LED display
- Accessories including siphons, snubbers, and isolation needle valves
Pressure Gauges & Thermometers
Pressure gauges and thermometers display process readings for pneumatic, hydraulic, HVAC, plumbing, industrial and commercial applications.
- Mechanical dial pressure gauges are available in a variety of configurations for displaying pressure readings; using Bourdon tube sensing elements, these gauges do not require any external power sources to operate
- Digital pressure gauges are ideal for industrial and general purpose applications requiring an accurate and reliable device with easy-to-read digital display
- General purpose stainless steel thermometers have bi-metallic sensing elements for reliable readings and are back mount (3" dial) or adjustable angle (5" dial) with 1/2" NPT connection
Level Sensors and Controllers
Level sensors monitor the level of liquids, pellets, powders, and other similar products in tanks and process systems. Available are:
- Float level switches
- Submersible level sensors
- Ultrasonic level senors
- Vibration fork level switches
- Capacitance level switches
- Rotating paddle level switches
- Guided wave radar level sensors
- Differential pressure level transmitters
- Level controllers
- Level sensor accessories
Flow Sensors / Switches / Transmitters / Meters
ProSense flow measurement devices monitor liquid media and provide reliable flow indication (display), detection (switch output) or measurement (analog output).
- Mechatronic flow switches monitor liquid media and provide a switched output based on setpoint
- Mechatronic flow transmitters monitor liquid media and provide an analog output proportional to flow rate
- Magnetic-inductive flow meters reliably detect the flow rate of conductive media up to 158.5 - 160 gallons per minute
- Thermal flow sensors, with no moving parts, are a reliable alternative to mechanical flow switches
- Vortex flow sensors offer a very cost-effective solution optimized for monitoring water and deionized water flow
- Variable area mechanical flow meters provide visual indication of flow rate for water or petroleum based fluids
Signal Conditioners / Signal Isolators
Signal conditioners convert process, temperature and other electrical signals into voltage or current signals for use with PLCs, loop controllers, encoders, digital displays or any application requiring an isolated or analog signal.
- DC voltage or current input signal conditioners offer isolation and conversion to/from unipolar to bipolar signals
- High speed optical isolators (encoder input) connect enclosures to PLCs, drives and other devices while addressing electrical noise issues and converting signal types
- Universal signal conditioners provide isolation and accept milliamps, volts, RTD, thermocouple or potentiometer inputs.
- Temperature transmitters include head mount or DIN rail mount styles with thermocouple or RTD inputs
Current to Pneumatic (I/P) Transducers
Electro-pneumatic transducers (I/P) are electro-pneumatic regulators that control air pressure based on an analog input signal. NITRA transducers convert a 4-20 mA current signal (I) from a PLC or other controller to a linear pneumatic output pressure(P).
- 4-20 mA input compatible with PLCs and other controllers
- Several output pressure ranges applicable for industrial pneumatic and process control applications
- Rated for NEMA 4X (IP65) environments
- Approved for Hazardous Locations
Potable Water Pressure Regulators
HydroMode food grade potable water regulators are compact units that provide economical, high-performance pressure regulation of drinkable water.
- NSF electrodeposited chromium plated zinc body
- FDA acetal bonnet, valve seat
- Food grade nitrile/nylon diaphragm, O-ring
- Lead-free brass and food grade nitrile valve plug
Solenoid Process Pipeline Valves
Pipeline valves allow ON/OFF control and/or mixing and diverting of process media such as air, oil, inert gas, water and even some caustic materials.
2 & 3-port, Process (Pipeline) Valves
- Glass filled nylon or brass bodies, Viton seals, brass or stainless operators
- 2 and 3-way poppet style valves, 2-way diaphragm style valves
2-port, Media Separated Process (Pipeline) Valves
- Media separated, dry operator, solenoid valves for use where the metal working components of the valves do not come into contact with the working fluid.
- Nylon body; Viton seals; brass operator
- 2-way diaphragm style valve
Power Monitoring
Power meters are highly accurate devices that measure all the standard power parameters plus metering and harmonics. Meters are available in various mounting styles and operating voltages.
SOCOMEC power meters are easy to install; the Easy Config configuration tool can be used to quickly and easily create, edit and save configurations.
- Reduced costs and production losses
- Improved efficiency
- Easy-to-use solution for industry, infrastructure and data centers
- Integrated temperature sensor on certain models
- Detects wiring errors
- Compliant with ANSI C12.20 and IEC 61557-12
Pocket Portal
(Cloud Logger with IO)
Using discrete I/O, analog inputs and/or Modbus RTU communication, the STRIDE Pocket Portal connects industrial assets including sensors, meters, and Modbus RTU-capable devices to the cloud for data monitoring and control.
STRIDE® Pocket Portal IoT Bridge offers an end-to-end solution for small-count remote data collection.
- Faster Monitoring: Unmonitored assets can get connected and become monitored assets in minutes with Modbus RTU
- Remote Control: Control Modbus device and up to four digital outputs using mobile app
- Reduce Costs: Enterprises can implement IoT capabilities without needing technical expertise and without modifying equipment
- Retrofit solution: industrial controls, commercial buildings, retail spaces, or factories can be entirely retrofitted with IoT capabilities in days instead of months
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