Working around internal combustion engines requires strict safety protocols. The manual opens with mandatory warnings regarding:
Equus 4320 is a 3½-digit, 10 MegOhm digital multimeter specifically designed for automotive use
A: The Equus Digital Multimeter is designed to measure a maximum of 600V AC/DC. It is important to note that the 'COM' terminal potential should not exceed 300V AC/DC measured to ground. equus 4320 manual pdf
This usually indicates a blown fuse . Replace it only with a 0.315A/250V (5x20mm) type fuse (Bussmann GMA or similar).
Only used for measuring high-amperage DC current. How to Perform Common Tests 1. Testing a Car Battery (DC Voltage) This usually indicates a blown fuse
The Equus 4320 is a digital multimeter designed to measure various electrical parameters such as voltage, current, resistance, and frequency. The device is widely used by electrical professionals, engineers, and technicians for troubleshooting and testing electrical circuits. To ensure safe and effective operation of the device, it is essential to understand its features, functions, and operating procedures, which are detailed in the Equus 4320 manual PDF.
Connect the red lead to one side and the black to the other. How to Perform Common Tests 1
A standard Equus 4320 manual covers several essential sections for proper operation and maintenance: Equus 4320 Multimeter User Manual | PDF | Diode - Scribd
The is more than a set of instructions—it is your training course for automotive electrical diagnostics. Without it, you are guessing. With it, you can confidently identify why your check engine light is on, determine if your car is ready for an emissions test, and even save hundreds of dollars in mechanic diagnostic fees.
:
If your multimeter fails to turn on, displays a low-battery indicator, or fails to measure current, you likely need to change the battery or internal fuse. Turn off the meter and remove both test leads.