Zhongyuan InstrumentReliable Mechanical & Electrical Gauges for Vehicles and Machinery

Resources

Downloadable guides and reference materials to help you select and order the right gauges.

Downloadable Resources

Request any of the following guides and we will send them to your email.

Zhongyuan Gauge ammeter product - sample from catalog

Our product catalog covers all gauge types with detailed specifications

Product Catalog

Complete product catalog with all gauge types, specifications, and available accessories.

Request PDF

Gauge Selection Guide

Step-by-step guide to help you select the right gauge type, size, range, and connection for your application.

Request PDF

Thread & Connection Guide

Reference guide for common thread types, connection sizes, and compatibility across vehicle and machinery standards.

Request PDF

Sender Matching Guide

How to match electrical gauges with compatible senders, including resistance range and thread specifications.

Request PDF

OEM Customization Guide

Overview of OEM customization options: logo printing, dial design, scale calibration, bezel finish, and packaging.

Request PDF

Packing & Shipping Guide

Information on packaging options, export carton specifications, and shipping methods for international orders.

Request PDF

Need Help Choosing the Right Gauge?

Our team can help you select the correct gauge specifications for your application.