1. Introduction
The RuoShui 202 is a compact, stable, and secure 3 1/2 digit handheld digital multimeter. It is designed for measuring DC Voltage, AC Voltage, DC Current, Resistance, Diode forward voltage drop, and Continuity. Featuring a dual-integral A/D converter, this multimeter is a reliable tool for various electrical measurements. Please read this manual carefully before use to ensure safe and proper operation.
Figure 1: RuoShui 202 Mini Multimeter with included test leads.
2. Setup
2.1 Unpacking
Carefully unpack the contents and check for any damage. The package should contain:
- 1 x RuoShui 202 Digital Multimeter
- 1 x Pair of Test Leads (Red and Black)
- 1 x Operation Manual
- 1 x Storage Box
Figure 2: Contents of the RuoShui 202 Multimeter package.
2.2 Battery Installation
The RuoShui 202 Multimeter requires one 9V battery (NEDA1604 / 6F22 / 006P), which is not included in the package. To install the battery:
- Locate the battery compartment cover on the back of the multimeter.
- Use a screwdriver to remove the screw securing the cover.
- Remove the cover.
- Connect the 9V battery to the battery clips, observing correct polarity.
- Place the battery into the compartment.
- Replace the battery compartment cover and secure it with the screw.
2.3 Test Lead Connection
Connect the test leads to the multimeter as follows:
- Insert the black test lead plug into the