Shenzhen Graigar Technology Co.,Ltd.
A rapid growing enterprise who integrate the production and marketing of various of instruments and meters. exporting to worldwide markets with higher quality, lower price and prompt lead time.
- 0086-755-27541660
- 0086-755-23728063
- sales@graigar.com
- Xinfu Building,Center Road,Shajing Street
Baoan District
Shenzhen, CN 518125
United States of America
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Product
Leeb Hardness Tester
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Shenzhen Graigar Technology Co.,Ltd.
The Leeb rebound hardness test is one of the four most used methods for testing metal hardness. This portable method is mainly used for testing sufficiently large workpieces.
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Product
Frequency Meter
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Shenzhen Graigar Technology Co.,Ltd.
A frequency meter is an instrument that displays the frequency of a periodic electrical signal. Various types of frequency meters are used. Many are instruments of the deflection type, ordinarily used for measuring low frequencies but capable of being used for frequencies as high as 900 Hz.
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Product
PH Meters
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Shenzhen Graigar Technology Co.,Ltd.
A pH Meter is a device used for potentiometrically measuring the pH, which is either the concentration or the activity of hydrogen ions, of an aqueous solution. It usually has a glass electrode plus a calomel reference electrode, or a combination electrode.
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Product
Sound Level Meters
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Shenzhen Graigar Technology Co.,Ltd.
A sound level meter is an instrument that can measure sound level, commonly used in noise pollution studies for the quantification of different kinds of noise, especially for industrial, environmental and aircraft noise.
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Product
Hardness Tester
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Shenzhen Graigar Technology Co.,Ltd.
Hardness Testing. Hardness is a characteristic of a material, not a fundamental physical property. It is defined as the resistance to indentation, and it is determined by measuring the permanent depth of the indentation.
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Product
Alcohol Tester
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Shenzhen Graigar Technology Co.,Ltd.
Electrochemical (fuel cell) alcohol sensor, Module changeable Test Range: 0.000-2.000mg/l (0.400%B.A.C; 4.000%oB.A.C; 4.000g/l;) Alarming level: Pass level: 0.090mg/L (could be modified) Fail level:0.250mg/L (could be modified) Accuracy: +/-10% Work temperature: -10oC-50oC Work humidity: <95%RH (No Dews) Battery: 2XAA NiMH batteries, rating capacity: 2.1AH Dimension lXbXh: (mm) 250X105X400 Indication manner: mg/l,mg/100ml,g/l ,%BAC,%oBAC optional Coin for single time: 0-15 (For 0, the tester can be tested without coin). Coin diameter: 20mm-28mm Coin thickness: 1.2mm-2.5mm Coins Capacity: about 200 pieces Straw capacity: 200pcs(⊄<=7mm) Breath sampling time: about 5 seconds continuous breath.
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Product
Underground Metal Detector
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Shenzhen Graigar Technology Co.,Ltd.
An electronic device that gives an audible or other signal when it is close to metal, used for example to search for buried objects or to detect hidden weapons.
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Product
Battery Tester
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Shenzhen Graigar Technology Co.,Ltd.
A battery tester is an electronic device intended for testing the state of an electric battery, going from a simple device for testing the charge actually present in the cells and/or its voltage output, to a more comprehensive testing of the battery's condition.
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Product
Anemometers
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Shenzhen Graigar Technology Co.,Ltd.
An anemometer is a device used for measuring wind speed, and is a common weather station instrument. The term is derived from the Greek word anemos,which means wind, and is used to describe any wind speed measurement instrument used in meteorology .
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Product
Tachometers/Stroboscopes
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Shenzhen Graigar Technology Co.,Ltd.
Used to calibrate or check the speed of centrifuges and other equipment that rotates or vibrates.
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Product
Clamp Meter
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Shenzhen Graigar Technology Co.,Ltd.
A clamp meter is an electrical tester that combines a basic digital multimeter with a current sensor. Clamps measure current. Probes measure voltage.











