Resistive / Potentiometer Input Temperature Controllers
Last Updated: January 16, 2025 Reviewed by: Jon Lowy, consulting engineer
Description
Resistive/Potentiometer Input Temperature Controllers are devices designed to maintain a specific temperature by adjusting the heating or cooling output based on input from resistive sensors or potentiometers. These controllers are integral in ensuring that the desired temperature is consistently achieved and maintained in various industrial processes.
Working Principle
Resistive/Potentiometer Input Temperature Controllers operate by receiving input signals from resistive sensors, such as thermocouples or resistive thermal devices (RTDs), which measure temperature changes. The controller processes these signals to determine the necessary adjustments to the heating or cooling elements to maintain the set temperature. This closed-loop system is beneficial as it continuously monitors and adjusts the temperature, ensuring precision and stability in temperature-sensitive applications.
Applications
These temperature controllers are widely used in industrial settings where precise temperature control is crucial. For example, they are employed in manufacturing processes that require specific temperature conditions, such as in the production of pharmaceuticals or the processing of food products. They are also used in laboratory environments where maintaining a stable temperature is essential for experiments and tests.
Advantages over other Temperature Controllers
Resistive/Potentiometer Input Temperature Controllers offer several advantages over other types of controllers. They are particularly well-suited for environments with significant electrical noise, as their analog nature allows them to function effectively in such conditions. Additionally, their ability to accept a variety of input signals, including those from RTDs and thermocouples, makes them versatile for different applications.
Limitations
One limitation of these controllers is their reliance on resistive input signals, which may not be as fast or accurate as digital signals in some applications. Additionally, the analog nature of these controllers might not be suitable for all modern applications that require digital integration and control.
Considerations
When selecting Resistive/Potentiometer Input Temperature Controllers, several factors should be considered. Initial costs can vary depending on the complexity and features of the controller. Operating expenses are generally low, but the durability and accuracy of the controller can affect long-term costs. Maintenance and replacement costs should also be considered, as these controllers may require periodic calibration and servicing to ensure optimal performance.
from RS Components, Ltd.
Temperature controller, PRO; 1/4 DIN (96 [See More]
- Type: Resistive/ Potentiometer Inputs; Universal, Platinum Resistance Thermometer, PT100, Thermocouple, Analogue
- Form Factor: Chassis; Panel Mount
- Control: Limit; PID
- Inputs: 2
from RS Components, Ltd.
Temp. controller, PROplus, 1/4 DIN, (96 [See More]
- Type: Resistive/ Potentiometer Inputs; Universal, Platinum Resistance Thermometer, PT100, Thermocouple, Analogue
- Form Factor: Chassis; Panel Mount
- Control: Limit
- Inputs: 2
from RS Components, Ltd.
Temp. controller, LITE, 1/16 DIN, 48x48m [See More]
- Type: Resistive/ Potentiometer Inputs; Platinum Resistance Thermometer ; PT100
- Form Factor: Chassis; DIN; Panel Mount, Din-Rail Removable Socket
- Control: Limit
- Inputs: 4
from RS Components, Ltd.
Temperature controller, 1/16 DIN (48x48 [See More]
- Type: Resistive/ Potentiometer Inputs; Universal, Platinum Resistance Thermometer, PT100, Thermocouple, Analogue
- Form Factor: Chassis; Panel Mount
- Control: Limit; PID
- Inputs: 2
from RS Components, Ltd.
Temperature controller, 1/16 DIN (48x48 [See More]
- Type: Resistive/ Potentiometer Inputs; Universal, Platinum Resistance Thermometer, PT100, Thermocouple, Analogue
- Form Factor: Chassis; Panel Mount
- Control: Limit; PID
- Inputs: 4
from RS Components, Ltd.
Temp. controller, PRO, 1/16 DIN (48 x 48 [See More]
- Type: Resistive/ Potentiometer Inputs; Universal, Platinum Resistance Thermometer, PT100, Thermocouple, Analogue
- Form Factor: Chassis; Panel Mount
- Control: Limit; PID
- Inputs: 2
from RS Components, Ltd.
Temp. controller, PROplus,1/16 DIN, (48 [See More]
- Type: Resistive/ Potentiometer Inputs; Universal, Platinum Resistance Thermometer, PT100, Thermocouple, Analogue
- Form Factor: Chassis; Panel Mount
- Control: Limit; PID
- Inputs: 2
from RS Components, Ltd.
Temp. controller, PROplus,1/16 DIN, (48 [See More]
- Type: Resistive/ Potentiometer Inputs; Universal, Platinum Resistance Thermometer, PT100, Thermocouple, Analogue
- Form Factor: Chassis; Panel Mount
- Control: Limit; PID
- Inputs: 2
from HydraForce, Inc.
Advanced electronics design for reliability and accuracy, compact size [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; PWM
- Form Factor: Board
- Control: Linear
- Inputs: 1
from R. STAHL, Inc.
Anti Freeze, De-Ice, Monitoring and Control. Features. May use regular contactors for circuit control; or solid stat relays (SSR) if the Power Function is to be used. All information and control in a single compact control panel; From 14 to 46 circuits. Fault monitoring for each circuit, plus common... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: PLC
- Control: Limit
- Form Factor: Stand-Alone
from CARLO GAVAZZI Automation Components
3 1/2-dgt or 3-dgt + dummy zero multi-range µP-based indicator or controller for temperature measurements by means of thermocouple or thermoresistance probes. Selectable input range. Degree of protection of IP 50 (IP 65 on request). Temperature measurements from thermoresistance or... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: PLC
- Control: Limit
- Form Factor: Chassis
from Gefran
The series 450 temperature controller, measuring 48x48mm (1/16 DIN), offers simplicity of use and high quality of control. The input from temperature sensors is “universal ” and configurable with type J, K, R, S, T, B, E, N thermocouples and with 3-wire Rt100 resistance thermometers. The... [See More]
- Type: DC Voltage Inputs; Resistive/ Potentiometer Inputs
- Features: PLC
- Control: Limit; PID
- Form Factor: DIN
from Florite International, Inc.
The 900 Series is an economic one loop microcomputer-based instrument incorporating user selectable digital and analog inputs, as well as analog and relay outputs. Other 900 Series features include .005% high accuracy PID, batch, and dose control functions. Additionally, the 900 Series encompasses... [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Switch / Relay Input; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; Screw Terminal
- Control: Limit; Linear; Feedforward; PID
- Controller Type: Laboratory
- Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from Distech Controls, Inc.
6 Universal inputs, 5 triac outputs (PWM or digital), 2 universal outputs [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Serial / Digital Input; Dry Contact
- Features: Multi-Function; PC-Based
- Control: PID
- Form Factor: DIN; Stand-Alone (optional feature); Part of Networked System
from Process Technology
Provides precise control for consistent plating and etch rates in most aqueous processes. FEATURES. Large (.56 ” high), easy to read LED display. Fluoropolymer (FEP) covered 10-foot (3m), 1000-ohm platinum RTD sensor included standard with the control. Vapor resistant, NEMA 1, IP21, gasketed... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit
- Form Factor: Stand-Alone
from OMEGA Engineering, Inc.
The OMEGA ® 4200A Series is an ideal controller for RTD applications. This quality-built linearized instrument is available in both 1.0 ° and 0.1 ° resolution models. Higher accuracies, accuracies 5 to 10 times greater than the typical 1% meter indicating controller, are achieved through... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit; Linear
- Form Factor: DIN
from HydraForce, Inc.
Advanced electronics design for reliability and accuracy, compact size [See More]
- Type: Resistive/ Potentiometer Inputs
- Form Factor: Stand-Alone
- Control: Linear
- Inputs: 3
from R. STAHL, Inc.
Anti freeze, de-ice, distribution and control. Features. Main switch, ampmeter and common alarm lamp installed in panel door. From 10 to 50 circuits. Uses high power contactors for activating the various circuits. One circuit breaker and earth fault switch per circuit. Adjustable timer relays allow... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: PLC
- Control: Limit
- Form Factor: Stand-Alone
from Florite International, Inc.
The Florite Model 990X is an innovative, technically superior, high quality and reliable microcomputer-based controller suitable for any commercial or industrial application. The instruments user configurable screw-terminal channels enable any mix of up to eight inputs and or outputs regardless of... [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Switch / Relay Input; Frequency Inputs; Serial / Digital Input; Fieldbus / Network Input; Screw Terminal, DA15
- Control: Limit; Linear; Feedforward; PID
- Controller Type: Laboratory
- Features: PLC; Multi-Function; Datalogger; Is a Chart Recorder; Rate Indication/ Control; Totalizing (Length or Roll Diameter) Indication/ Control
from Process Technology
Provides precise control for consistent plating and etch rates in most aqueous processes. FEATURES. Large (.56 ” high), easy to read LED display. Fluoropolymer (FEP) covered 10-foot (3m), 1000-ohm thermistor sensor included standard with the control. NEMA 1, IP21, flame retardant and gasketed... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit
- Form Factor: Stand-Alone
from OMEGA Engineering, Inc.
The CN7500 Series temperature/process controller ’s advanced control features can handle the most demanding temperature or process applications. Enclosed in a compact 1/32 DIN housing, the CN7500 has dual, 4-digit LED displays for local indication of process value and setpoint. Control methods... [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit; PID
- Form Factor: DIN
from R. STAHL, Inc.
Frost protection and process heating monitoring and control. Features. Solid State Relays (SSR); Allows rapid output pulsing (PWM) to quickly achieve the set temperatures,. and to ensure a precise temperature control. Scalability; The software is designed to use configurable parameters, allowing... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: PLC
- Control: Limit
- Form Factor: Stand-Alone
from Process Technology
Provides precise control for consistent plating and etch rates in most aqueous processes. FEATURES. Large (.56 ” high), easy to read LED display. Fluoropolymer (FEP) covered 10-foot (3m), 1000-ohm platinum RTD sensor included standard with the control. Vapor resistant, NEMA 1, IP21, gasketed... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit
- Form Factor: Stand-Alone
from OMEGA Engineering, Inc.
The CN7600 Series 1/8 DIN temperature/process controllers offer versatility and reliability for temperature and process monitoring applications. Designed as a vertical mount 1/8 DIN controller, the CN7600 features dual outputs, universal input, and up to three additional alarm outputs. The second... [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit; PID
- Form Factor: DIN
from Process Technology
Provides precise control for consistent plating and etch rates in most aqueous processes. FEATURES. .3 inch (7.6mm), dual LED displays. Fluoropolymer (FEP) covered 10-foot 3m), 1000-ohm platinum RTD sensor included standard with the control. NEMA 1, IP21, flame retardant and gasketed plastic... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: PID
- Form Factor: Stand-Alone
from OMEGA Engineering, Inc.
The CN350, CN360 and CN370 Series controllers are designed for economical and easy use. Models are available with digital, deviation, or non-indicating display, for J, K, R, and S thermocouples or 100 . platinum RTD input. The small 1.88" (48 mm) square face, 1.77" square cutout ( 1 /16 DIN) and... [See More]
- Type: DC Voltage Inputs; Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit
- Form Factor: Chassis
from Process Technology
Provides precise control for consistent plating and etch rates in most aqueous processes. FEATURES. Large (.56 ” high), easy to read LED display. Fluoropolymer (FEP) covered 10-foot (3m), 1000-ohm platinum RTD sensor included standard with the control. Vapor resistant, NEMA 1, IP21, gasketed... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit
- Form Factor: Chassis
from OMEGA Engineering, Inc.
The CN4000 Series temperature/process controllers set a new standard for ease-of-use and value. Units feature dedicated input models with thermocouple and RTD inputs, and models with universal inputs for both temperature and process inputs. Standard features include autoune, fuzzy logic, fully... [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs
- Form Factor: Chassis
- Control: Limit; PID; Fuzzy Logic
- Interface: Digital Front Panel
from Process Technology
Provides precise control for consistent plating and etch rates in most aqueous processes. FEATURES. Large (.56 ” high), easy to read LED display. Fluoropolymer (FEP) covered 10-foot (3m), 1000-ohm thermistor sensor included standard with the control. Vapor tight, IP21, front panel protection,... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit
- Form Factor: Chassis
from OMEGA Engineering, Inc.
The CN1500 series is a compact unit that offers the features of up to seven controllers in a single 1/8 DIN enclosure. Careful design, high functionality and compactness allow it to offer the best cost/performance ratio of any controller in its class. The input type for each zone is selected... [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit; PID
- Form Factor: DIN
from Process Technology
Provides precise control for consistent plating and etch rates in most aqueous processes. FEATURES. Large (.56 ” high), easy to read LED display. Two set points (heating and cooling). Fluoropolymer (FEP) covered 10-foot (3m), 1000-ohm platinum RTD sensor included standard with the control. [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit
- Form Factor: Chassis
from OMEGA Engineering, Inc.
The CN7400 Series temperature/process FM-approved limit controllers set a new standard in 1/16 DIN limit controls. They have universal inputs (10 thermocouple and 4 RTD types, voltage, and current). Standard features include remote reset capability. Outputs include normally open (form "A") and... [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs; Thermocouple
- Features: Rate Indication/ Control
- Control: Limit
- Form Factor: DIN
from Process Technology
Provides precise control for consistent plating and etch rates in most aqueous processes. FEATURES. .3 inch (7.6mm), dual LED displays. Fluoropolymer (FEP) covered 10-foot 3m), 1000-ohm platinum RTD sensor included standard with the control. 1/16 DIN size with NEMA 1 (indoor), IP21, 3R and 12 rated... [See More]
- Type: Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: PID
- Form Factor: Chassis
from OMEGA Engineering, Inc.
The CN8200 temperature/process controller is extremely versatile and user-friendly. The operator needs to review only those parameters relevant to the particular application during setup. A dual digital display offers optimum process information at a glance. Individual LED's identify the status of... [See More]
- Type: DC Voltage Inputs; Current Loop (Transmitter) Excitation; Resistive/ Potentiometer Inputs
- Features: Rate Indication/ Control
- Control: Limit
- Form Factor: DIN