Maximum voltage rating ?

I have only used this on 24VDC systems.

Does this item come with test leads?

No, just the box. It uses standard banana test ends.

How would you set this to, say, 350 ohms? Or any value containing a digit greater than 4? Just don't?

The values are cumulative, to get 350 Ohms you would switch the 300, 40, and 10 OHM down. To get a greater the 4 value you would just switch the needed values on. This item has a range between 1 to 11,111,110 Ohms

Will this unit provide a stable signal on automotive circuits?

This is a typical decade box that will provide the resistance you need for testing purposes. I have used it to simulate different devices in the testing of DC control systems.

Extech 380400 Resistance Decade Box

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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975 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

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Description

🔧 Elevate Your Testing Game with Precision!

DURABLE BUILD - Crafted with robust plastic housing to withstand the rigors of daily use.
GROUNDING CAPABILITY - Optional separate grounding for enhanced safety and performance.
USER FRIENDLY DESIGN - Set values effortlessly in 1 ohm increments for precise measurements.
PRECISION ENGINEERING - Achieve unparalleled accuracy with a 1% tolerance.
VERSATILE RESISTANCE RANGE - Easily switch between 1 ohm to 11 Mohms for diverse applications.

The Extech 380400 Resistance Decade Box is a high-performance tool designed for professionals, offering a resistance range from 1 ohm to 11 Mohms with 1 ohm increments. Its durable plastic housing ensures longevity, while the 1% accuracy guarantees reliable measurements. Ideal for engineers and technicians, this device is a must-have for precise electrical testing.

Specifications

Asin	B00023RTZO
Best Sellers Rank	#105,831 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #37 in Power Current Equipment
Color Name	Yellow
Customer Reviews	4.8 4.8 out of 5 stars (96) 4.8 out of 5 stars
Date First Available	1 January 2024
Item Model Number	380400
Item Weight	310 g
Material Type	HAWA
Power Source	Corded-electric
Product Dimensions	14.48 x 11.68 x 3.56 cm; 310 g

Reviews

User

Excelente

22.07.2021

User

Genial

je l'adore

3.12.2025

User

Works Perfectly

Substituting variable resistance in an automotive circuit is a valuable diagnostic strategy. This box offers convenience and accuracy at half the price of the look-alike specialty tool.

14.10.2025

User

sehr gut funktionierende Widerstandskaskade

funktioniert sehr gut.Leider sind solche Widerstandsdekaden immer sehr teuer.

4.04.2025

User

Five Stars

A useful addition for anyone doing testing.

30.05.2017

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975 zł

Duties & taxes included

In stock

Sold byAmazon PolandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Poland.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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