Loop & Limit Controllers, Recorders

Advanced Data Recording Solutions

Loop controllers, limit controllers, and data recorders are critical tools for managing industrial processes, providing precision, safety, and data collection capabilities. These components are designed to optimize processes by enabling real-time control, monitoring, and reporting, ensuring efficiency and consistency across operations. From basic alarm systems to sophisticated SIL-rated safety loops, these solutions are tailored to meet various application requirements.

At Relevant Industrial, we offer a wide selection of industry-leading loop controllers with advanced features like ramp and soak control, batch processing, and integration with existing systems. Our limit controllers provide robust safety mechanisms, protecting equipment and processes from potential hazards. Additionally, our data recorders enable comprehensive data tracking with options for both local displays and web-based monitoring.

By integrating these components into your process control systems, we help improve decision-making, enhance safety, and streamline operations. Whether you need precise control, reliable alarms, or actionable data, our solutions provide the tools to meet your industrial challenges.

Applications of Loop Controllers, Limit Controllers, & Recorders

These essential components are used across various industries to enhance process control, ensure safety, and monitor performance. Below are key applications:

Food & Beverage

PID controllers and recorders ensure temperature and process consistency, enabling high-quality production and adherence to safety standards.

Water & Wastewater Treatment

Recorders monitor flow rates and water quality, while loop controllers optimize pump and valve performance for efficient treatment processes.

Pharmaceuticals

Batch controllers and recorders ensure adherence to strict manufacturing guidelines, capturing data for regulatory compliance and quality assurance.

Oil & Gas

PID Controllers regulate pressure, flow, and temperature in pipelines and refining operations, while Limit Switches safeguard equipment from overpressure or overheating. Data Recorders provide critical insights into process performance.

Chemical Processing

Loop controllers enable precise control of chemical reactions, while limit controllers ensure safe operation. Recorders track and log process data to maintain quality and compliance.

Tailored Solutions for Controllers & Recorders

At Relevant Industrial, we specialize in delivering customized solutions for PID controllers, limit switches, and data recorders. Our team works with you to identify and implement the ideal combination of products for your applications. From simple alarms to advanced, FM-approved SIL safety loops, our solutions ensure precise control, enhanced safety, and reliable data management.

Contact us today to learn how our loop controllers, limit controllers, and recorders can optimize your processes and improve your operational performance.

Honeywell Loop Controllers, Limits and Recorders

Honeywell offers controllers, programmers, recorders and limits. Honeywell’s popular UDC Controller and Limit series are available in 1/16 DIN, 1/32 DIN, 1/4 DIN, 1/8 DIN and programmers that perform basic to complex requirements and feature universal inputs. Honeywell’s new EasySet digital controllers provide precise temperature control of single input and single control output temperature chambers, furnaces, ovens, dryers and packaging machines. Honeywell offers Process Internet Explorer (PIE) software for simple set up of UDC and EasySet controllers. Honeywell Recorders come in paper and paperless configurations. For paper recorders with control Honeywell offers the DR4300 and DR4500 circular chart recorders. For paperless recorders Honeywell offers the DR Graphic Recorder, eZtrend, Minitrend, Multitrend and Trendmanager Professional Software suite.

Dwyer Loop Controllers, Limits and Recorders

Dwyer designs and manufactures a full-line of controllers, limits, paper recorders, and data loggers in the USA. Dwyer controllers offer flow control for pulse inputs with the MPM series, for pump control the MPC series, for dual Pump the DPC series and a line of temperature controllers. Alarm Limits Series SC1 is offered for process and temperature alarms, SLD for leak detection and limit. Dwyer paper circular chart recorders come in the single pin LCR10 model and dual pin LCR20 model. For digital data acquisition consider using the DL Series for temperature and pressure.

Red Lion Loop Controllers, Limits and Data Loggers

Red Lion Controllers include TSC/PSC Series for setpoint program controller for time versus temperature (ramp/soak) applications. The T48/P48 Series are designed for temperature and process control mounted to 1/16 DIN. The PXU Series are available in 1/16, 1/8 and 1/4 DIN size models. The PXU accepts process, thermocouple and RTD signals and presents values on one of the industry’s largest dual display. PAX2C Series in 1/18 DIN size offers universal inputs, including thermocouples, RTD’s, process signals, DC current/voltage and resistance. DLC Series are for Dual Loop Control. For data logging the Data Station Plus (DSP) offers multiple protocol conversion, data logging and remote machine access.

Acromag Loop Controllers, Limits and Data Loggers

Acromag offers a robust line of limits and signal conditioning in the market. They include limits for universal inputs, AC voltage/current limits, DC voltage/Current Limits, millivolt, thermocouple, RTD, frequency, Slidewire/ Potentiometer, and Strain Gage/ Load Cell Limits. Acromag’s APM Panel Meter acts as a display, controller and limit all built in one panel mounted meter.

AMETEK Loop Controller

AMETEK knows pneumatic pressure measurements and they offer Model 40 Pneumatic Pressure Controller. The Model 40 has proportional band adjustments for controlling processes where load changes are infrequent and can be corrected by the manual reset feature.

Loop Controllers, Limit Controllers, & Recorders

Advanced Data Recording Solutions