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Wednesday, 24 February 2016
   

welcome to Changsha Friend Experimental Analysis Instrument Co., Ltd



CONTACT US

Contact Person: Keira Li

Address: Lugu Road , Longsea Group, Changsha High-tech Zone

Changsha , Hunan , China -

Phone:86-0731-83889629

Mobile:86-15874141041

Email: leo@friendinstrument.com



OUR PRODUCTS

Electricity Lab

Electricity Lab is a versatile training kit for a laboratory. It is designed such that all the basic electrical circuits can be tested with the help of this trainer kit. The experiments given with training system develop mental starting from an introduction to the circuit, basic fundamentals and experiments on Ohm's Law, Magnetism, Relay, Power, Lenz's Law, Motors, Diode, Kirchoff's Law, R, L, C and many more. This simple training lab provides a strong foundation for future studies in electrical or electronics. This takes students from the basic of ohm's law, through simple series and parallel circuit analysis and into same elementary aspects of electronics where they will build circuits using capacitors and diodes. With this system a set of coils and cores are provided. These high quality coils (Labeled with number of turns) and laminated iron cores provides an effective introduction to electromagnetic theory. Specifications: 01. Meters: 5 Nos. 1.1. AC Voltmeter : 15V 1.2. DC Voltmeter : 15V 1.3. Galvanometer : ± 250uA 1.4. DC Ampere Meter : 0.6Amp 1.5. DC Ampere Meter : 5A 02. Power Supply: 2.1. Power Supplies : 3, 6, 12Vat 3.5A 2.2. Power SupplyAC : 30Vat1A 2.3. Power SupplyDC : 5Vat100mA 03. Switch SPDT 04. Switch DPDT 05. Push switch 06. Logic Switches Two No. Push type 07. Relay 12VDCOne change over 08. Buzzer/Electric Bell 09. Transformer Input 6-0-6V and Output 6-0-6V 10. Bulb6VThree Nos. 11. Resistance 1E2/1W, 5E/5W, 50E/5W,100E/5W, 220E/2W, 470E/2W, 1K/1W, 100K/1W 12. Capacitance 1000MFD/25VTwo Nos. 13. Diode IN4007Two Nos. 14. LED5mm 15. Thermocouple 16. Potentiometer 10K 17. Breadboard 840Tie Points 18. Fuse Holder open type 19. Electromagnetic Induction&Transformer 20. Main Supply 230VAC, 50 Hz


Measuring Instruments & Equipment

Toolmaker microscopes are satisfies the increasing industrial requirements on measurements. The well designed basic unit with long working distance objectives, wide field eye pieces and a tel eccentric illumination system have been engineered for long period comfortable operation. It is an ideal instrument for simplifying inspection of forming tools, gauges-template checking, thread inspection verification of tool angles etc.


Saybolt colorimeter

Scope Saybolt colorimeter for measuring refined petroleum products, including a set of matching samples and equipped with optical indicator of standard tube. In the same light source sample with standard color comparison. Reduce the liquid column height of the sample until the sample was significantly lighter than the standard palette of colors, and use the chart on the instrument to convert Saybolt color of height. Three standard color glass on - position color standard pipe may conveniently be replaced swatches. After paraffin Saybolt colorimeter is equipped with a heater for the determination of paraffin, during the test, it is not flowing like melted wax. Sample tube has a 200W chrome steel strip heater, with a hinged lid to maintain the heat evenly. Aluminum heater with a 50W fuel element is kept molten wax-like state. Affiliated variable transformer can be used to regulate the temperature of the sample. Optical observation instrument and shelves are fully insulated with a heater. Test tube assembly with a heat-resistant fiber handle. Features 1, in line with GB / T3555, ASTM D156; DIN 51411; FTM 791-101; NF M 07-003 and related specifications 2, three color standard pipe (Three-position color standard turret) 3, the test of non-liquid wax and liquid petroleum products 4. Determination of refined petroleum products Saybolt color (Saybolt Color). It includes a set of matched sample and standard tube assembly having an optical observation instrument. 5, the key components imported accessories. 6, compact structure, well-made. 7, easy operation and flexible. 8, test data is accurate, fast, at a glance. Technical Parameters 1, paraffin Saybolt colorimeter 220-240V, 50 / 60Hz 2, the entire thickness of standard color (3) 3, semi-thick standard color (1) 4. Making the Saybolt color number and column height table sample (1) 5, the day light: 110-240V 6, frosted bulb: 60W, 220V 7, variable transformer: 220-240V




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