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09

Mar

2022

Carbon dioxide hazards to people (carbon dioxide monitor)

Different concentrations of carbon dioxide to the influence of human body Carbon dioxide content Table Ming 350～450ppm With general outdoor natural air environment 350～1
08

Mar

2022

Replace fuse of Multimter GD119B

How to Replace fuse for your Smart Multimeter GD119B? 1) Turn off the meter power and remove the probes. 2) Remove the screw fixing the back cover and remove the back cover. 3
07

Mar

2022

Replace battery for Multimeter

1) Turn off the meter power and remove the probes. 2) Remove the screw fixing the battery cover and remove the battery cover. 3) Remove the old battery and replace it with a new
06

Mar

2022

Specification of Smart Multimeter

Smart Function(AC/DC Voltage,resistance and continuity):yes Auto Identification of current input:yes Relative Measurement:yes Max/Min/Avg.:yes NCV/Live/Continuity test:yes(soun
05

Mar

2022

Maintenance of Smart Multimeter

Maintenance of Smart Multimeter Clean When cleaning the meter, please follow the following steps: 1) Turn off the meter power and remove the probes. 2) Wipe the case with
04

Mar

2022

Operation warning of Multimter

Do not measure the voltage higher than 600V, otherwise the meter may be damaged.  Pay special attention to safety when measuring high voltage to avoid electric shock or personal
03

Mar

2022

Smart Measurement of Multimeter GD119B

Smart (AUTO) measurement This measurement mode is default when power on. In this mode, DC voltage, AC voltage, resistance, continuity can be measured, and the meter can automatic
02

Mar

2022

Overview of Smart Multimeter GD119B

This meter is an intelligent true RMS digital multimeter. It has intelligent and professional measurement function. Full function, with gear display, analog bar multiple display.
01

Mar

2022

New Penetrating PH meter Specification

The Penetrating PH meters are highly accurate, stable, reliable and easy to carry. The design of the product is new and beautiful, and the design is more professional, it can meas
01

Mar

2022

How to use Penetrating Ph meter

Open the battery cover of the instrument and load the batteries correctly. Before using the instrument, if you have replaced the probe electrode, you should calibrate it before mea
28

Feb

2022

Quality Assurance Period of Ph probe

1. The quality assurance period for the electrodes is the storage period, which is one year.2.During the quality assurance period, the manufacturer shall be responsible for repairi
27

Feb

2022

Ph Probe maintenance and precautions

The performance of the instrument, in addition to the structure of the instrument itself, and good maintenance is inseparable, PH meter such instruments and the use of the environm
26

Feb

2022

Warning of Penetrating Ph meter

The measuring tips are made of glass, so be careful of breakage! ,Danger of residual glass fragments in the measuring medium.Check the PH probe tip for damage after each measuremen
25

Feb

2022

Maintenance of Penetrating Ph meter

The performance of the instrument, in addition to the structure of the instrument itself, and good maintenance is inseparable, PH meter such instruments and the use of the environm
24

Feb

2022

Application of Penetrating pH meter

The penetrating PH meter is designed for the measurement of semi-solid substances in food production and processes such as fruit (sauces), gels, pastes, bread, dairy products and s
23

Feb

2022

Introduction of Penetrating PH meters

The Penetrating PH meters are highly accurate, stable, reliable and easy to carry. The design of the product is new and beautiful, and the design is more professional, it can measu
22

Feb

2022

Introduction of Sugar meter

Description of Brix Meter: Handheld Brix Meter is used for convenient and rapid determination of weight percent concentration or refractive index in sugar-containing solutions. Wid
21

Feb

2022

Warning before Using brix meter

1. Digital Saccharometer is precision instrument, do not collision it. 2. Do not scratch optical prism in measuring tank. 3. Full charged, packed in a protective case and placed
20

Feb

2022

Attention before using Brix meter

Digital Refractometer Sugar Brix Meter 0~35% 0-55% Saccharimeter Densimeter for Fruit Wine Beer Alcohol Sugar Concentration Tester Pls take a high Attention-before-using-brix-m
19

Feb

2022

How to solve the error of brix meter

Dear all customer, when your GVDA Suga Brix meter Model GD316 GD317 have below several errors as bleow pls check how to solve it , and below solution may help you during your usin

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