عرض 766–780 من أصل 1963 نتيجة
Electronic Micropipettes
Based on Stepper Motor with Microprocessor controlled piston movement. These are user friendly and offer effortless pipetting. Accuracy & precision levels are very high and user-independent. This is a complete solution for every pipetting need.
User friendly software.
Easy, User friendly calibration.
Recharging during operation.
Optimized ergonomy and working comfort.
Large Liquid Crystal Display.
Built-in tip ejector.
Six models cover the complete pipetting range from 0.2µl to 10000µl.FEATURES :
Easy selection of modes from a single key
Stepper mode
Dilution mode
Standard mode
Calibration Mode Variable Working Speeds
Speed can be selected on a sclae of 1-5.
Volume Selection
Easy volume selection by ‘UP’ & ‘DOWN’ keys.
Large Fire Button
Single ‘FIRE BUTTON’ for filling and dispensing.
Large Liquid Crystal Display
Two line Alphanumeric LCD.
Calibration
User friendly calibration mode facilitates easy calibration by the user.SKU: MEElectronics Kit 1
Electronics Kit 1 includes materials for over 10 activities on electronics based topics. The kit comes in a heavy duty carry-case for ease of storage. A full manual with detailed activities for both the teacher and the student is included.
Experiments include:
Forward Bias Diode
Half-Wave Rectifier
Zener Diode
Transistor as a Switch
Measuring Gain with a PNP Power Transistor
Infrared Diode and Phototransistor
Light Dependent Resistor
Temperature Dependent Resistors
Silicon Controlled Rectifier
TRIAC
Unijunction TransistorSKU: SKEL01Electronics Kit 2
Electronics Kit 2 is a supplemental kit to Electronics Kit1. It includes materials for 5 activities on advanced electronics based topics. The kit comes in a heavy duty carry-case for ease of storage. A full manual with detailed activities for both the teacher and the student is included.
Experiments topics include:
Stable multivibrator
Full wave rectifier
Full wave rectifier with capacitor
Push pull amplifier
Two stage audio amplifier
Two stage audio amplifierSKU: SKEL02Electrostatic Kit
Comprising one electroscope, one packet of metal leaves, 4 metallised spheres, 1 reel of nylon thread, two polythene plates 75 x 75 mm, one electrophorus plate with insulating handle, 1 proof plane, Two aluminium cans, one cellulose acetate strip, 1 polythene strip, one stirrup for suspending strips, one flannel rubber, one wire hook and instructions.
SKU: PH45272Electrostatic Materials Kit
Set of material for demonstrating the generation of electrostatic charges with friction rods. It provide the classic introduction to electrostatics, this kit allows students to rub any of the rods with rubbing cloths and detect the polarity of charge. Includes a solid glass rod, hard rubber rod, silk cloth, rubber cloth, fur friction pad, PVC pipe, stirrup and pith balls. With Instruction manual.
SKU: PH45050Electrostatics Kit 1
Electrostatics Kit 1 includes materials for over 10 activities on electrostatic based topics. The kit comes in a heavy duty carry-case for ease of storage. A full manual with detailed activities for both the teacher and the student is included.
Experiments topics include:
Electrostatics with rods and cloth
Charge distribution on an object
Types of charges
Comparing magnetic and electrostatic forces
Electroscope
Insulator versus conductor
Charging by induction and conduction
Electrophorus
Coulomb’s law
Charge inside a conductor
Faraday’s ice pailSKU: SKES01Embryonic Development (Period Of Gestation)
A set of nine detailed models, mounted on stands, showing the following stages:
1. An Embryo About 6 Days Old, Considerably Enlarged.
2. Uterus With The Embryo In 1st Month Of Gestation.
3. Uterus With The Embryo In 3rd Month Of Gestation.
4. Uterus With Foetus In 4th Month.
5. Uterus With Foetus, Placenta And Umbilicle Cord.
6. Uterus With Foetus In 5th Month.
7. Uterus With Foetus In 7th Month Of Pregnancy.
8. Uterus With Foetus In 8th Month Of Pregnancy.
9. Uterus With Foetus In 9th Month Of Pregnancy.
Complete With Key Cards.SKU: B12320