DECADE RESISTOR GENRAD 1433 IET LABS

Decade Resistor GenRad 1433 Series – IET Labs

High-Precision Resistance Standards for Calibration and Measurement

The GenRad 1433 Series Decade Resistors by IET Labs are premium resistance standards designed for precise calibration and measurement tasks. Known for their outstanding stability, minimal zero resistance, and rugged construction, these resistors are widely used for verifying ohmmeters, multimeters, and other resistance-measuring devices across DC and audio-frequency ranges.

Engineered to maintain the legacy of General Radio, the 1433 Series is built with meticulous attention to quality, ensuring continued performance in laboratories and field calibration setups.

Features

• Precision accuracy of 0.01% for dependable resistance measurement

• Wide resistance range from 1 milliohm to 111.11111111 megohms

• Available in 3 to 11-decade configurations to match exact testing needs

• Excellent long-term stability and low temperature coefficient

• Minimal zero resistance (typically under 0.001 ohms per decade)

• Gold-plated, tellurium-copper binding posts for low thermal EMF and high conductivity

• Silver-alloy contacts in rotary switches to maintain contact integrity

• Engineered with low residual inductance and capacitance for AC applications

• AC and DC compatible, ideal for laboratory and calibration environments

• Optional rack-mount or portable handle versions for flexible deployment

Applications

• Calibration of resistance-measuring instruments (multimeters, bridges, LCR meters)

• Precision resistance measurement in laboratories

• Quality assurance and incoming inspection

• Audio-frequency testing and AC applications

• On-site calibration in mobile labs (handle-equipped variants)

Specifications

• Accuracy: 0.01%

• Resistance per step: from 0.001 Ω to 100 MΩ per decade

• Total resistance range: up to 111.11111111 MΩ depending on model

• Decades available: 3 to 11

• Zero resistance: less than 0.001 Ω per decade

• Construction: Series resistors with silver-alloy switch contacts

• Terminals: Gold-plated tellurium copper binding posts (3/4 inch spacing)

• Shorting link included for grounding when needed

• Country of origin: United States of America

The GenRad 1433 Series from IET Labs is the go-to choice for professionals demanding precision, durability, and long-term performance in resistance calibration and testing.