May 25, 2026
Diode Forward Voltage Test of Digital Multimeter
Diode Forward Voltage Test of Digital Multimeter In this gear, the red probe is connected to the positive power supply inside the multimeter, and the black prob
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![Dissolved Oxygen Meter]()
Dissolved Oxygen MeterAccording to different concentrations, separator electrodes are divided into two types: polarographic and galvanic. The polarographic diaphragm electrJun 02, 2018 -
![Precautions for the use of illuminometers]()
Precautions for the use of illuminometersPrecautions for use: When using, you must pay attention to avoid receiving strong light, because the photocell cathode is exposed to strong light forMay 22, 2018 -
![Scope of application of light meter]()
Scope of application of light meter1. Application in general public places In order to ensure that people can live under suitable lighting, my country has formulated sanitary standardsMay 10, 2018 -
![What is lux meter]()
What is lux meterIlluminance meter (or lux meter) is a special instrument for measuring illuminance. It is to measure the degree to which the object is illuminated, thApr 29, 2018 -
![how to use the light meter]()
how to use the light meterIf only "1" is displayed on the left end of the display, it means that the illumination is excessive, and you need to press the range key (⑧ key) to aApr 18, 2018 -
![Measuring principle of illuminometer]()
Measuring principle of illuminometerPhotovoltaic cells are photoelectric elements that directly convert light energy into electrical energy. When the light hits the surface of the seleniApr 09, 2018 -
![introduction of Ulstrasonic thickness gauge]()
introduction of Ulstrasonic thickness gaugeUltrasonic Thickness Gauge This unit is an intelligent handheld product, which adopts ultrasonic measuring principle, and is controlled by micro proceMar 30, 2018 -
![How Metal Detectors Work!]()
How Metal Detectors Work!How it works: The metal detector uses the principle of electromagnetic induction and uses a coil through which alternating current passes to generateMar 22, 2018 -
![Detecting method of metal detector]()
Detecting method of metal detectorThe use of this detector can detect is not buried deep mineral deposits, including native gold, gold, gold, and other various rich sedimentary sand. DMar 10, 2018 -
![Ground balance calibration of metal detector]()
Ground balance calibration of metal detector6.1Ground balance calibration:Auto calibration:The auto calibration is just to turn the unit on.Calibrate by this method, after the unit turned on, aFeb 28, 2018 -
![How does a metal detector identify metals]()
How does a metal detector identify metals6.1.2 identificationThis method can distinguish the non-ferrous metal (gold, silver, copper) and black metal (magnetic metal, such as steel, iron, etcFeb 22, 2018 -
![Features of Underground metal detector AR944M]()
Features of Underground metal detector AR944M1. Apply an electromagnetic field to detect the presence of a concealed metal object. 2. Designed to find gold & silver jewelry, coins and other metaFeb 12, 2018 -
![Applicable scenarios of underground metal detectors]()
Applicable scenarios of underground metal detectorsTesting metal foreign body of raw materials, fuel and food, Detection of underground pipeline & line, Archaeology,Exploration, Found buried treasJan 31, 2018 -
![introduction of Underground Metal Detector]()
introduction of Underground Metal DetectorAR944M metal detector is a new improved product and application of foreign advanced technology and imported components. With the old product comparisoJan 09, 2018 -
![Ultrasnoic thickness gauge AS840 AS850 AS860]()
Ultrasnoic thickness gauge AS840 AS850 AS860Ultrasnoic thickness gauge AS840 AS850 AS860 and pls check the below comparision of Ultrasonic thickness thickness for AS840 AS850 AS860Dec 29, 2017 -
![Introduction of Ultrasonic thickness gauge]()
Introduction of Ultrasonic thickness gaugeUltrasonic Thickness Gauge This unit is an intelligent handheld product, which adopts ultrasonic measuring principle, and is controlled by micro proceDec 20, 2017 -
![Table of sound velocity for thickness gauge]()
Table of sound velocity for thickness gaugeTable of sound velocity (Sound velocity of common materials) Material Velocity(m/s) Material Velocity(m/s) Aluminum 6320 AcetaDec 08, 2017 -
![Troubleshooting of infrared thermometer]()
Troubleshooting of infrared thermometerSymptom Problem Action OL (on display) Target temperature out of range Select a target within the metric range -OL(on display) Target temperature beNov 30, 2017 -
![working principle of electronic thermometer]()
working principle of electronic thermometerThe working principle of the electronic thermometer is that when the temperature is measured, the infrared energy emitted by the measured object is coNov 26, 2017 -
![Maintenance of infrared thermometers]()
Maintenance of infrared thermometers1. Replace the battery To install or replace the battery, open the battery compartment as shown in Figure 2 and insert the battery. 2. Clean the lenNov 15, 2017
