Process & Temperature Controller

Precision Digital embraces the motto "Simplified information where and how you want it." Its product lineup includes line- and loop-powered indicators, rate/totalizers, scanners, annunciators, temperature indicators and controllers, Modbus® meters, large display indicators, multi-channel controllers, and industrial wireless products. These instruments are mainly utilized in flow, level, pressure, and temperature applications and are designed for panel, field, and surface mounting.
 
Customers appreciate Precision Digital's expertise in display and control, especially in creating products that perform reliably in challenging environments, including hazardous areas and harsh outdoor conditions, supported by appropriate approvals.
 
Most of Precision Digital's offerings have received approvals and certifications to meet UL, CSA, FM, ATEX, IECEx, CE, and NEMA standards. The company is committed to its employees, customers, and technologies, and has achieved ISO 9001:2015 certification for its quality management system.
With 45 years of experience in the process market, Precision Digital continuously leverages its knowledge to design and manufacture outstanding products. 
 
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Precision Digital's Premier Meters and Indicators
 


The Nova PD540 is a digital temperature controller with auto-tuning PID capabilities that is available in 1/16, 3/16, 1/8, and 1/4 DIN sizes. Models include standard one-directional control (i.e. heating or cooling) or bi-directional heating and cooling control. One of four user programmable set points may be selected for PID control in the form of time proportional relay on/off output, time proportional voltage pulse output, or 4-20 mA signal control. Its universal input accepts 23 input varieties, including thermocouple, RTD, and voltage inputs, and it can be easily configured for a 4-20 mA input. It is available with up to three (3) relays, two (2) 4-20 mA analog outputs, two (2) digital inputs, and an RS485 serial communication option which includes protocols for master/slave set point control, Modbus® ASCII and RTU, as well as PC software.

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The Nova PD550 is a digital temperature controller with two ramp and soak programs capable of storing 15 segments each for precision PID set point control. It is available in 1/16, 3/16, 1/8, and 1/4 DIN sizes. At the completion of a program, the controller can hold the set point, stop the outputs, or loop to one of the 30-segment programs. Its universal input accepts 23 input varieties, including thermocouple, RTD, and voltage inputs, and it can be easily configured for a 4-20 mA input. It is available with up to three (3) relays, two (2) 4-20 mA analog outputs, four (4) digital inputs, and an RS485 serial communication option which includes protocols for master/slave set point control, Modbus® ASCII and RTU, as well as PC software.

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The Nova PD570 is a digital limit controller that accepts a wide variety of process and temperature inputs and is available in 1/16 and 1/4 DIN sizes. Its universal input accepts thermocouple, RTD, and voltage inputs, and it can be easily configured for a 4-20 mA input. It features a latching relays, an alarm relay, and an RS485 serial communication option which includes protocols for master/slave set point control, Modbus® ASCII and RTU, as well as PC software.

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The SuperNova PD500 Series of PID Process & Temperature Controllers is a complete line of PID and on/off controllers. Available in popular 1/4, 1/8, and 1/16 DIN sizes, and with a shallow depth behind panel of only 2.5" (63 mm) it is easy to fit into almost any panel, product, or enclosure. Voltage, current (with external resistor), and direct temperature thermocouple and RTD inputs make it an excellent choice for any control application requiring easy to change, visible set points. This modern line of controllers shows the process variable (PV), set value (SV), and manipulated value (output level%, MV) on a striking reverse polarity LCD screen. Indicators for units (C, F,%, or none) Auto and manual control modes can be easily changed by holding two buttons, and this is indicated on the front panel to make it easy for operators to know how to use this feature. Main control outputs can be 4-20 mA (SCR), voltage pulse (SSR), or relay outputs. A secondary relay control output is standard, which allow for one or two direction SV control (i.e., heating and cooling).

Additional outputs may include two SPST alarm relays and a 4-20 mA retransmit output. Other options include a secondary 4-20 mA input to remotely control the set point, and RS-485 for Modbus communication. A mini-USB port may be used for a direct PC connection to run the SuperNova software for monitoring, programming, and data logging. This USB port is located on the rear behind the panel for PD510 1/16 DIN models, and on the front behind a rubber tab on PD520 and PD530 1/8 and 1/4 DIN models.

 

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