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Your Trusted Power Resistor Provider Since 1925

Portable Resistance Selector

Part numbers 3420 and 3420E have been discontinued as of August 2019. Please see our official statement for further details.

The Ohmite Ohm-Ranger is an economical and portable resistance selector with a range to over 11 Meg Ω, in 1Ω increments. The Ohm-Ranger can handle a maximum of 250 volts with an accuracy down to 1%. The Ohmite Ohm-Ranger has three binding posts, one to ground the case. For the engineer looking for portable resistance selection, look no further than the Ohm –Ranger.

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Why Should You Partner with Ohmite?

Stability: Leader in Resistive Technology for 100 Years

Ohmite has manufactured resistors for 100 years! We've demonstrated a proven track record of creating quality resistive products for high power, high energy, and high voltage applications.

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Flexibility: We are Experienced Problem Solvers

Whether it's our expansive catalog of standard parts, our many customization options for each series, or our ability to develop brand new products based on customer designs, Ohmite is dedicated to solving engineers' problems.

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Ohmite's team of engineers are available to explain our technology, answer your questions, and consult on important design decisions to help make our customers' lives easier.

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