RESISTANCE SUBSTITUTION RS IET LABS

Resistance Substitution Box RS Series – IET Labs

Reliable, Portable, and Precise Resistance Substitution Solution

The RS Series Resistance Substitution Box by IET Labs is a trusted and versatile tool designed for quick and accurate resistance substitutions across a wide range of applications. Known for its compact design, precision, and ease of use, the RS Series is ideal for calibration labs, test benches, educational settings, and field troubleshooting.

This series provides resistance values from 0.01 Ω up to 100 MΩ, with accuracy options ranging from 0.1% to 1%. Its intuitive side-by-side color-coded thumbwheel switches allow fast, error-free resistance selection without the need for rotary or slide switches. This user-friendly interface simplifies testing and speeds up measurement tasks.

Constructed from high-impact plastic and weighing under 1 lb, the RS Series is highly portable, making it perfect for technicians on the go. All units come with a NIST-traceable calibration certificate, ensuring trusted results in critical testing environments. Optional features include panel mount configurations, shielded cases, and fuse protection for added flexibility.

Whether used for daily equipment verification, circuit prototyping, or classroom demonstrations, the RS Series offers reliable performance and excellent value.

Features

• Resistance substitution from 0.01 Ω to 100 MΩ

• Accuracy options: 0.1%, 0.5%, or 1% depending on model

• Direct reading with side-by-side color-coded thumbwheel switches

• Compact and rugged high-impact plastic enclosure

• Lightweight design, under 1 pound

• NIST-traceable calibration certificate included

• Optional features: panel mount, shielded case, and fuse protection

• No need for rotary or slide switches

• Competitive pricing with excellent reliability

Applications

• Verification and calibration of test instruments

• Field troubleshooting and maintenance

• Educational demonstrations and training

• Quick resistance substitution in R&D and manufacturing environments

Specifications

• Resistance range: 0.01 Ω to 100 MΩ

• Accuracy: selectable per model (0.1%, 0.5%, or 1%)

• Resolution: varies by model and number of decades

• Weight: less than 1 lb (approx. 450 g)

• Switch type: color-coded thumbwheel switches

• Enclosure: high-impact plastic

• Terminals: banana jacks or binding posts depending on model

• Temperature coefficient: designed for stable resistance over varying conditions

• Mounting options: bench-top or optional panel mount

• Calibration: NIST-traceable certificate included

• Country of origin: made in the USA

The RS Series delivers dependable and easy-to-use resistance substitution in a compact, cost-effective package—an essential tool for any technician or engineer.