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عرض 796–810 من أصل 2205 نتائج
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Conduction Kit
Students can make their own conduction tester through the kit and check themselves which substances are conductors and which are insulators. Included in the kit is 2 D cell battery holders, 1 light bulb, 1 light bulb holder, 4 alligator connector cords, a sample pack, and Instruction manual.
SKU: PH50690 - Uncategorized
Conductivity Meter
To quantitatively measure the conductivity of solutions. This conductivity meter uses a green and a red light emitting diode (LED) to indicate relative conductivity. The light varies with the conductivity. requires 9 volt battery (not supplied).With instruction manual.
SKU: CH10937 - Uncategorized
Conductivity Meter
Useful for measuring conductivity of homogeneous electrolytic solutions. Supplied with conductivity cell of cell constant 1, cell stand and standard conductivity solution.
Technical Specifications:
Range: 0.01 micro siemen/cm to 199.9 milli siemen/cm in 5 ranges of 20 micro semen/cm, 200 micro semen/cm, 2 milli semen/cm, 20 milli semen/cm and 200 milli semen/cm.
Accuracy: ± 3% of range.
Re-Calibration: Front panel control with the help of standard conductivity solution supplied with the meter, helps in easy re-calibration of the conductivity meter.
Display: 3½ digit, 7 segment, bright LED type of 12.5 mm height. Decimal point and over-range indications are provided.
Power Requirements: 230 + 10% V AC, 50/60 Hz, 5 VA.
Standard Accessories: Conductivity cell of cell constant 1, cell stand, standard conductivity solution and instruction manual.SKU: CH11182 - Uncategorized
Conductivity Meter
A simple apparatus for testing the electrical conductivity of liquids. Connect the apparatus to the main supply and place the electrodes in the liquid used for testing. A strong conductor is a material that will let electric charges to flow through it very easy and therefore the bulb of conductivity meter glows brightly. The weak conductors allow electric charges to flow through it slowly and therefore the bulb of conductivity meter glows dimly. The bad conductors do not allow electric charges to flow through it and therefore the bulb of conductivity meter does not glow at all. Bulb provided is large and bright enough to be seen by the entire class. The conductivity meter includes a clamp on the back for attaching to a support stand. Instructions and appliance bulb are also included.
SKU: CH10936
