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Mar

2026

How to choose a microscope according to research needs

How to choose a microscope according to research needs 1. Resolution requirement: If atomic or near atomic resolution is required, transmission electron microscopy is the only opti
28

Mar

2026

Revealed: Acceleration Technology of Microscopes

Revealed: Acceleration Technology of Microscopes In the history of modern instrument development, microscopy technology has been rapidly advancing with the progress of human techno
28

Mar

2026

What determines the magnification of a microscope?

What determines the magnification of a microscope? Many laboratories use microscopes, but they are not familiar with the relevant professional knowledge of microscopes. They only k
27

Mar

2026

General Operation and Maintenance of Digital Multimeters

General Operation and Maintenance of Digital Multimeters Operation Steps First, turn on the power of the digital multimeter, then select the measurement function according to the o
27

Mar

2026

Basic Terminology and Definitions of Multimeters

Basic Terminology and Definitions of Multimeters Accuracy Indicates the deviation between the measured value of a digital multimeter and the true value. It is expressed as a percen
27

Mar

2026

Choosing Between Digital and Analog Multimeters

Choosing Between Digital and Analog Multimeters 1.Analog multimeters offer lower reading accuracy, yet the pointer swing is intuitive and visual. The speed and amplitude of deflect
27

Mar

2026

Application of Benchtop Multimeters in the Field of Pressure Sensors

Application of Benchtop Multimeters in the Field of Pressure Sensors The sensor industry is widely recognized both domestically and internationally as a promising high‑technology s
27

Mar

2026

The voltage drop test method using a multimeter is rarely adopted.

The voltage drop test method using a multimeter is rarely adopted. For maintenance technicians, diagnosing faults by measuring voltage with a multimeter is a routine operation. How
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Mar

2026

Other Functions of Multimeters in Maintenance Work

Other Functions of Multimeters in Maintenance Work (1) Leakage Current Testing Method A multimeter is required for leakage current testing. The specific procedure is as follows: tu
27

Mar

2026

Extension of the Capacitance Measurement Function of Digital Multimeters

Extension of the Capacitance Measurement Function of Digital Multimeters Based on the characteristics of differential and integral circuits, capacitance measurement can be converte
27

Mar

2026

Methods for Testing Frequency Converters with a Multimeter

Methods for Testing Frequency Converters with a Multimeter 1. Test the rectification circuit to find the P and N terminals of the internal DC power supply of the frequency converte
27

Mar

2026

Application of New-Type Digital Multimeters in the Industry

Application of New-Type Digital Multimeters in the Industry The DM3000 features a data sampling rate of up to 50 kS/s, ranking among the highest specifications in the industry. Lev
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Mar

2026

Troubleshooting Common Issues of Digital Multimeters

Troubleshooting Common Issues of Digital Multimeters (1) No Display on the Meter First, check if the battery voltage is normal (a 9V battery is typically used; even a new one shoul
26

Mar

2026

Standard Troubleshooting Procedures for Digital Multimeters

Standard Troubleshooting Procedures for Digital Multimeters Troubleshooting digital multimeters should generally begin with the power supply. For example, if nothing appears on the
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Mar

2026

Expanding Capacitance Measurement on Digital Multimeters

Expanding Capacitance Measurement on Digital Multimeters Based on the characteristics of differential and integral circuits, capacitance measurement can be converted into voltage m
26

Mar

2026

Methods for Testing Variable Frequency Drives (VFDs) Using a Multimeter

Methods for Testing Variable Frequency Drives (VFDs) Using a Multimeter Testing the Rectifier CircuitLocate the positive DC terminal P and negative DC terminal N inside the variabl
26

Mar

2026

Guide to Selecting a PC Power Supply Using a Multimeter

Guide to Selecting a PC Power Supply Using a Multimeter Nowadays, new-generation components such as graphics cards, sound cards, optical drives, and hard drives are all power-hungr
26

Mar

2026

Measurement of Low-Frequency AC Signals with a Digital Multimeter

Measurement of Low-Frequency AC Signals with a Digital Multimeter Most modern multimeters can measure AC signals with frequencies as low as 20 Hz. However, some applications requir
26

Mar

2026

Standard Operation and Maintenance Procedures for Digital Multimeters

Standard Operation and Maintenance Procedures for Digital Multimeters (1) Unless otherwise specified during testing, do not test the ECU or sensors with an analog multimeter. Use a
26

Mar

2026

Application of Bench Multimeters in the Pressure Sensor Industry

Application of Bench Multimeters in the Pressure Sensor Industry The sensor industry is a high-tech industry with promising development prospects recognized both at home and abroad

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