Displays, Indicators & Controllers

1 - 48 of 122 Products
Vegascan 693 Signal Conditioning & Display
VEGA
Vega Signal Conditioning and Display, Vegascan 693
Request a Quote
Vegamet 842 Controller
VEGA
f-met842-xxx1c-with-display.png
Request a Quote
Vegamet 625 Signal Conditioning & Display
VEGA
Vega Signal Conditioning and Display, Vegamet 625
Request a Quote
Vegamet 624 Signal Conditioning & Display
VEGA
Vega Signal Conditioning and Display, Vegamet 624
Request a Quote
Vegamet 391 Signal Conditioning & Display
VEGA
Vega Signal Conditioning and Display, Vegamet 391
Request a Quote
Vegamet 381 Signal Conditioning & Display
VEGA
Vega Signal Conditioning and Display, Vegamet 381
Request a Quote
Vegadis 64 Loop-Powered Indicator
VEGA
Vega Loop Powered Indicator, Vegadis 64
Request a Quote
Temperature Controller with Digital Indicator - SC58
WIKA
Wika Temperature controller, Model SC58
Request Information
SmartVue Industrial Controller
Dycor Technologies
Dycor SmartVue
from $1,803.48 USD
ProVu PD6400 High Voltage & Current Meter
Precision Digital
Precision Digital ProVu High Voltage and Current Meter, PD6400
Request Information
ProtEX-Pro PD6800 Explosion-Proof Process & Level Meter
Precision Digital
Precision Digital PD6800 Process Meter
Request a Quote
PD9000 ConsoliDator+ Multivariable Controller
Precision Digital
PD9000_Enclosure_Left_0.png
Request a Quote
PD900 Series ConSolidator Multi-Channel Controller
Precision Digital
PD980_0.png
Request Information
PD865 Snooper Modbus Digital Panel Meter
Precision Digital
Precision Digital PD865 Modbus Serial Input Meter
Request a Quote
PD8-765 ProtEX-MAX Explosion-Proof Process & Temperature Meter
Precision Digital
Precision Digital PD8-765 ProtEX-MAX Process & Temperature Meter
Request a Quote
PD8-7000 ProtEX-MAX Explosion-Proof Temperature Meter
Precision Digital
Precision Digital PD8-7000 ProtEX-MAX Explosion-proof Instrument
Request a Quote
PD8-6363 ProtEX-MAX Explosion-Proof Dual Pulse Input Flow Rate/Totalizer
Precision Digital
Precision Digital PD8-6363 ProtEX-MAX Dual-Input Rate/Totalizer
Request a Quote
PD8-6310-WM ProtEX-MAX Explosion-Proof Weights & Measures Approved Batch Controller
Precision Digital
PD8-6310-WM.png
Request Information
PD8-6310 ProtEX-MAX Explosion-Proof Pulse Input Batch Controller
Precision Digital
Precision Digital PD8-6310 ProtEX-MAX Dual-Line 6-Digit Batch Controller
Request a Quote
PD8-6300 ProtEX-MAX Explosion-Proof Pulse Input Flow Rate/Totalizer
Precision Digital
Precision Digital PD8-6300ProtEX-MAX Dual-Line 6-Digit Flow Rate/Totalizer
Request a Quote
PD8-6262 ProtEX-MAX Explosion-Proof Dual Analog Input Flow Rate/Totalizer
Precision Digital
Precision Digital PD8-6262 ProtEX-MAX Dual-Input Rate/Totalizer
Request a Quote
PD8-6210 ProtEX-MAX Explosion-Proof Analog Input Batch Controller
Precision Digital
Precision Digital PD8-6210 ProtEX-MAX Dual-Line 6-Digit Batch Controller
Request a Quote
PD8-6200 ProtEX-MAX Explosion-Proof Analog Input Flow Rate/Totalizer
Precision Digital
Precision Digital PD8-6200 ProtEX-MAX Dual-Line 6-Digit Flow Rate/Totalizer
Request a Quote
PD8-6100 ProtEX-MAX Explosion-Proof Strain Gauge, Load Cell & mV Meter
Precision Digital
Precision Digital PD8-6100 ProtEX-MAX Strain Gauge, Load Cell & mV Meter
Request a Quote
PD8-6081 ProtEX-MAX Explosion-Proof Feet & inches Modbus Scanner with Dual Analog Inputs
Precision Digital
Precision Digital PD8-6081 ProtEX-MAX Super Snooper Modbus Scanner
Request a Quote
PD8-6080 ProtEX-MAX Explosion-Proof Modbus Scanner with Dual Analog Inputs
Precision Digital
Precision Digital PD8-6080 ProtEX-MAX Super Snooper Modbus Scanner
Request a Quote
PD8-6060 ProtEX-MAX Explosion-Proof Dual Analog Input Process Meter
Precision Digital
Precision Digital PD8-6060 ProtEX-MAX Dual-Input Process Meter
Request a Quote
PD8-6001 ProtEX-MAX Explosion-Proof Feet & Inches Level Meter
Precision Digital
Precision Digital ProtEX-MAX Level Meter, PD8-6001
Request Information
PD8-6000 ProtEX-MAX Explosion-Proof Process Meter
Precision Digital
Precision Digital PD8-6000 ProtEX-MAX Explosion Proof Process Meter
Request a Quote
PD8-150 ProtEX-MAX Explosion-Proof Alarm Annunciators
Precision Digital
Precision Digital PD8-154 ProtEX-MAX Explosion-proof Annunciator
Request a Quote
PD765 Trident X2 Process & Temperature Digital Panel Meter - Large Display
Precision Digital
Precison Digital Process & Temperature Meter, PD765 Trident X2 Series
Request a Quote
PD765 Process & Temperature Meter - Standard Display
Precision Digital
PD765X2.png
Request a Quote
PD743 Temperature Meter
Precision Digital
Precison Digital PD743 Sabre T Temperature Meter
Request a Quote
PD7000 ProVu Temperature Digital Panel Meter
Precision Digital
Precision Digital PD7000 ProVu Dual-Line Temperature Meter
$518.21 USD
PD6900-HA ProtEX+ Explosion-Proof & I.S. Loop-Powered Indicators
Precision Digital
aluminum.png
Request a Quote
PD689 Rate/Totalizer
Precision Digital
Precision Digital PD689 Loop-Powered Rate/Totalizer
Request a Quote
PD6870 ProtEX FarVu Explosion-Proof Large Display Loop-Powered Meter
Precision Digital
Precision Digital PD6870 Process Meter
Request a Quote
PD686 Loop-Powered NEMA 4X Intrinsically Safe & Nonincendive Digital Meter
Precision Digital
Precision Digital PD686 Loop-Powered Meter
$434.04 USD
PD685 Intrinsically Safe IP67 Loop-Powered Meter
Precision Digital
Precision Digital PD685 Loop-Powered Meter
Request a Quote
PD684 Loop Leader Loop-Powered Flow Rate/Totalizer Digital Panel Meter
Precision Digital
Precision Digital PD684 Loop-Powered Rate/Totalizer
Request a Quote
PD6830X ProtEX-MFI Explosion-Proof Modbus Scanner
Precision Digital
Precision Digital ProtEX Modbus Scanner, PD6830X
Request Information
PD6830 ProtEX-RTP Explosion-Proof Pulse Input Flow Rate/Totalizer
Precision Digital
Precision Digital ProtEX-RTP Rate/Totalizer, PD6830
Request a Quote
PD6820 ProtEX-RTA Explosion-Proof Loop-Powered Flow Rate/Totalizer
Precision Digital
Precision Digital ProtEX-RTA Rate/Totalizer, Digital PD6820
Request Information
PD6801 ProtEX-F&I Explosion-Proof Loop-Powered Feet & Inches Level Meter
Precision Digital
Precision Digital PD6801 ProtEX-F&I Level Meter
Request a Quote
PD6770 Vantageview NEMA 4X Large Display Loop-Powered Meter
Precision Digital
Precision Digital PD6770 Process Meter
Request a Quote
PD675 Loop-Powered NEMA 4X Nonincendive Digital Meter
Precision Digital
Precision Digital PD675 Meter
Request a Quote
PD6730X Vantageview NEMA 4X Modbus Scanner
Precision Digital
Precision Digital PD6730X Modbus Scanner
Request a Quote
PD6730 Vantageview NEMA 4X Pulse Input Rate/Totalizer
Precision Digital
Precision Digital PD6730 Pulse Input Rate/Totalizer
Request a Quote

Process Indicators

Process indicators are devices used to display or monitor critical parameters of a process, such as temperature, pressure, flow, level, or other measurements. They provide real-time, visual feedback to operators or control systems, allowing them to assess the status of the process and make necessary adjustments. Process indicators can range from simple digital or analog displays to more complex units that offer advanced functionality like alarms, trend recording, and data logging.

Key Features of Process Indicators:

  1. Digital or Analog Display:

    • Most process indicators feature a digital display (such as an LCD or LED screen) or an analog display (like a needle dial) to show real-time readings of the measured parameter.
  2. Input Compatibility:

    • Process indicators are designed to accept various types of input signals, such as 4-20 mA, 0-10 V, or digital communication protocols (Modbus, HART). They can work with sensors and transmitters that measure different process variables.
  3. Alarm Functions:

    • Many process indicators have built-in alarm capabilities, allowing users to set high or low thresholds. When the measured parameter exceeds these limits, the indicator triggers an audible or visual alarm, alerting operators to potential issues.
  4. Data Logging and Recording:

    • Advanced process indicators may have data logging features that record measurements over time, enabling trend analysis, process optimization, and troubleshooting.
  5. Easy Calibration and Configuration:

    • Process indicators often offer simple calibration and configuration options, enabling users to set parameters, adjust input types, and calibrate for accuracy without complex programming.

Applications of Process Indicators:

  1. Industrial Process Monitoring:

    • Used in manufacturing, chemical processing, and food and beverage industries to monitor critical process parameters like temperature, pressure, and flow, ensuring consistent product quality and process efficiency.
  2. Environmental Monitoring:

    • Employed in environmental control systems, such as HVAC and water treatment plants, to monitor air quality, water flow, or chemical levels.
  3. Safety Systems:

    • Serve as part of safety systems, providing real-time monitoring and alerting operators to conditions that may pose risks, such as overpressure, overheating, or dangerous gas concentrations.
  4. Laboratory and Testing:

    • Used in laboratories for experiments and tests where precise control and monitoring of conditions like temperature, pressure, and humidity are essential.
Process Transmitters

Process transmitters are devices that convert the readings from a sensor (such as temperature, pressure, or flow sensors) into standardized electrical signals, such as 4-20 mA or 0-10 V, for transmission to a control system, data logger, or display device. Transmitters enable the integration of field measurements into control systems for real-time monitoring, automation, and process optimization.

Key Features of Process Transmitters:

  1. Signal Conversion:

    • Process transmitters convert the raw output from sensors (like voltage, resistance, or capacitance changes) into a standardized output signal that can be easily transmitted over long distances and interpreted by control systems.
  2. Types of Inputs:

    • Transmitters can handle a variety of inputs, such as:
      • Temperature (thermocouples, RTDs)
      • Pressure (strain gauge, capacitive sensors)
      • Flow (differential pressure, ultrasonic sensors)
      • Level (hydrostatic pressure, ultrasonic sensors)
  3. Communication Protocols:

    • Advanced transmitters may support digital communication protocols (e.g., HART, Modbus, PROFIBUS), allowing integration with modern control systems and enabling two-way communication for configuration, diagnostics, and calibration.
  4. Environmental and Application-Specific Design:

    • Designed to operate reliably in various conditions, such as high temperatures, high pressures, corrosive environments, or hazardous locations. They often have robust enclosures, certifications (like IP ratings), and explosion-proof designs.
  5. Accuracy and Stability:

    • Transmitters are designed to provide accurate, stable measurements over time, even under varying environmental conditions. They often include temperature compensation, calibration features, and diagnostic capabilities to ensure consistent performance.
  6. Remote Configuration and Diagnostics:

    • Many transmitters allow remote configuration and diagnostics via digital communication, reducing the need for field adjustments and enabling proactive maintenance.

Applications of Process Transmitters:

  1. Industrial Process Control:

    • Widely used in industries like oil and gas, chemical processing, pharmaceuticals, and power generation to measure and transmit key parameters (such as pressure, temperature, and flow) to control systems, ensuring safe and efficient operations.
  2. Automation Systems:

    • Integral components in automation systems, providing real-time data that helps optimize production processes, reduce energy consumption, and improve product quality.
  3. Environmental Monitoring:

    • Used in environmental control systems to monitor and transmit parameters like air and water quality, temperature, and humidity.
  4. Safety Monitoring:

    • Deployed in safety-critical applications to monitor and transmit readings from sensors that detect dangerous conditions, such as gas leaks, overpressure, or high temperatures.
  5. Utilities and Infrastructure:

    • Utilized in water and wastewater treatment plants, energy distribution networks, and other infrastructure applications for monitoring and controlling various process variables.
Differences Between Process Indicators and Transmitters:
  • Function:

    • A process indicator is primarily used for displaying or monitoring a process variable, while a process transmitter is used to convert sensor signals into standardized output signals for transmission to control or monitoring systems.
  • Output:

    • Process indicators typically have no output (or provide only alarm signals), whereas transmitters provide an analog or digital output signal that can be sent to remote control systems.
  • Application Use:

    • Indicators are often used locally for monitoring, whereas transmitters are used to interface sensors with central control or data acquisition systems, allowing for remote monitoring and automation.
Conclusion:

Process indicators and transmitters are essential devices in industrial and environmental control systems, each serving a unique role. While indicators provide local monitoring and real-time feedback, transmitters convert sensor signals into standardized outputs for integration with control systems. Both are crucial for maintaining process safety, efficiency, and quality in various industries, ensuring accurate measurements and timely responses to changing conditions.