RESISTANCE BOX & RTD SIMULATOR PRS-330 IET LABS

Resistance Box & RTD Simulator PRS-330 IET LABS

High-Precision Programmable Resistance Box and RTD Simulator

The IET Labs PRS-330 is a highly accurate programmable resistance box and RTD simulator, designed for both manual and automated environments. With its wide resistance range, advanced features, and intuitive interface, the PRS-330 is the ideal tool for calibration laboratories, temperature simulation, and quality control in production settings.

Key Features

• Wide resistance range from 0.1 Ω to 20 MΩ

• High resolution down to 1 µΩ (6-digit precision)

• Accuracy of 70 ppm + 1 mΩ, exceeding traditional manual decade boxes

• Built-in RTD simulation with PT-100 and PT-1000 tables

• User-friendly interface with a large color touchscreen and soft keys

• Supports both manual operation and full automation

• Equipped with USB, Ethernet, and IEEE-488 (GPIB) interfaces

• LabView command structure support for seamless system integration

• Virtually maintenance-free with easy recalibration procedures

• High-reliability relays rated for 100 million operations

• Front and rear binding posts for convenient connectivity

• Supports AC resistance testing with stable performance

• 0.5 W power rating, suitable for general applications

• 5-year warranty and made in the USA

• Cost-effective alternative to PRS-370, approx. 10% more affordable

Applications

• Precision calibration of multimeters, DMMs, and temperature devices

• RTD simulation for PT-100 and PT-1000 probes

• Automated testing and system integration in production lines

• Laboratory resistance measurements requiring ultra-high accuracy

• Ideal for institutions needing repeatable and programmable resistance control

Specifications

• Resistance range: 0.1 Ω to 20 MΩ

• Resolution: 1 µΩ

• Accuracy: 70 ppm + 1 mΩ

• Power rating: 0.5 W

• Interfaces: USB, Ethernet, IEEE-488 (GPIB)

• Display: Color touchscreen with soft key navigation

• RTD simulation: PT-100 and PT-1000 with Celsius/Fahrenheit input

• Calibration: Manual or software-adjustable drift correction

• Relay durability: Rated for 100 million switching cycles

The PRS-330 combines laboratory-grade accuracy with modern interface options, making it a reliable and flexible tool for resistance simulation and temperature calibration applications.