Jun 03, 2026
Common Troubles in Multimeter Resistance Measurement
Common Troubles in Multimeter Resistance Measurement Common problem one: How to zero when using a multimeter to measure resistance? When measuring resistance wi
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![Regulated power supply control method]()
Regulated power supply control methodOption 1: Use a single-chip microcomputer to generate a PWM wave to control the turn-on and turn-off of the switch. The duty cycle is changed accordinOct 10, 2022 -
![The advantages and disadvantages of regulated power supply]()
The advantages and disadvantages of regulated power supply(1) Low power consumption and high efficiency (2) Small size and light weight (3) Wide voltage regulation range (4) The efficiency of filtering is greOct 10, 2022 -
![Regulated power supply performance indicators]()
Regulated power supply performance indicators(1) Output voltage range The output voltage range that can work normally under the working conditions of the DC regulated power supply. The upper limiOct 10, 2022 -
![Introduction to the composition of regulated power supply]()
Introduction to the composition of regulated power supply1. Power transformer Power transformer is a kind of soft magnetic electromagnetic component, whose functions are power transmission, voltage conversioOct 10, 2022 -
![How to use a telescope rangefinder]()
How to use a telescope rangefinderDue to the use of laser for distance measurement, and the pulsed laser beam is a monochromatic light source with very concentrated energy, do not lookOct 10, 2022 -
![What is the principle of a telescopic rangefinder?]()
What is the principle of a telescopic rangefinder?Telescope rangefinders generally use the pulse method to measure distances. The process of pulse method ranging is as follows: the laser emitted by thOct 10, 2022 -
![Which application scenarios must be equipped with a gas detector]()
Which application scenarios must be equipped with a gas detector1. Catering industry The catering industry usually receives a lot of customers, so it is necessary to strengthen the safety precautions. Regulations:Oct 10, 2022 -
![Maintenance skills of gas detector]()
Maintenance skills of gas detector1. Master the charging time of the detector During the charging process, one-time long-term charging should be avoided. Excessive charging time will cOct 10, 2022 -
![What should you pay attention to when using a gas detector]()
What should you pay attention to when using a gas detector1. Find out the leak point of the device First of all, it is necessary to find out what the leakage points of the device are, analyze their leakage diOct 10, 2022 -
![What are the components of a combustible gas detector?]()
What are the components of a combustible gas detector?The combustible gas detector consists of two parts: detection and detection, with detection and detection functions. 1. Detection part The principle oOct 10, 2022 -
![How long is the service life of the combustible gas detector?]()
How long is the service life of the combustible gas detector?The service life of the combustible gas detector, specifically, the service life of its internal electronic components. The service life of the combusOct 10, 2022 -
![Precautions before using the gas detector]()
Precautions before using the gas detector① Carefully read the instruction manual corresponding to the gas detector before operation, and be familiar with the performance and operation methodsOct 10, 2022 -
![How to use the gas detector]()
How to use the gas detector① When using the portable gas detector, it should be worn as close to the mouth and nose as possible, such as the front neckline of clothes, jacket poOct 10, 2022 -
![Precautions for using illuminometer]()
Precautions for using illuminometer① It is necessary to check whether the battery and the conformity label are within the validity period. ②The light receiver of the illuminometer mustOct 10, 2022 -
![Precautions for the use of digital illuminance meters]()
Precautions for the use of digital illuminance meters1. Do not measure in high temperature and high temperature places. 2. The light detector needs to be kept clean. 3. The reference level of the light sOct 10, 2022 -
![Measurement method of digital illuminance meter]()
Measurement method of digital illuminance meter1. Turn on the power. Select the appropriate measurement gear. 3. Open the light detection cover and align the front of the light detector with the liOct 10, 2022 -
![Correct measurement method of noise meter]()
Correct measurement method of noise meter(1) "Slow". The time constant of the meter head is 1000 ms, which is generally used to measure steady-state noise, and the measured value is the effecOct 10, 2022 -
![Analysis on the Principle of Current Measurement by Clamp Meter]()
Analysis on the Principle of Current Measurement by Clamp MeterThe clamp meter is essentially composed of a current transformer, a clamp wrench and a rectifying magnetoelectric system with reaction force meter. ThOct 10, 2022 -
![How long is the inspection cycle of combustible gas alarm]()
How long is the inspection cycle of combustible gas alarmHow long is the inspection cycle of combustible gas alarm? Combustible gas alarm must be inspected regularly, do you know? According to the natOct 10, 2022 -
![How often is the combustible gas alarm checked?]()
How often is the combustible gas alarm checked?How often is the combustible gas alarm checked? Combustible gas alarm can be divided into industrial combustible gas alarm and household gas alarmOct 10, 2022
