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Experiments, Higher Science
Millikan Oil Drop Apparatus
Supertek’s Millikan Oil Drop Apparatus is a contemporary version of the classic design which allows the students to observe the velocity of an oil drop rising and falling in an electric filed. The apparatus is equipped with camera which allows the user to connect it with the computer screen for an easy viewing of the droplets. It permits the calculation of the force acting on the charge carried by the oil drop.
What’s Included
1x Millikan Oil Drop Apparatus
1x Non-Volatile Oil
1x Multimeter
1x StopwatchExperiments
To determine the charge of an electron by Millikan’s Oil Drop MethodMLK1-C -
Micropipettes
Miniature Fixed Volume Micropipette
Low-cost miniature fixed-volume pipettes are specially designed for use with Diagnostic Kits.
FEATURES :
Fully Autoclavable
- Each pipette is individually calibrated as per ISO 8655 standards.
- Color-coded for different volumes for easy identification in laboratory environment.
- Two-step plunger operation facilitates super blow-out from the tip (last drop dispensing), resulting in very high accuracy & precision.
- This also allows these pipettes to be used for reverse pipetting and repetitive pipetting. 130 mm in length which is an optimum size for user comfort during pipetting.
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Membrane Filters
Membrane Filters
Membrane filters are widely used to sterilize liquids. It is an effective, accepted technique for the filtration of fluid samples. We can determine the quality of water and the quantity of microorganisms by using this membrane filter. It is also known as the molecular or biological filter.
Applications of Membrane Filters
- Chemical Processing : Purification and separation.
- Wastewater Treatment : Contaminant removal.
- Food & Beverage : Liquid clarification.
- Pharmaceuticals & Biotech : Sterilization and purification.
- Microbiology : Isolating and counting microorganisms in samples.
MNY02 -
Pipette Filling Devices
Pipette Filling Devices
EASYFILL, an electronic pipette filling equipment, is a simple yet powerful blend of sophisticated features and functionality. It offers Single Knob Dual Dispensing Mode. EASYFILL helps in performing sensitive operations with high precision, accuracy and reliability in practical laboratory environments
- EASYFILL has a Universal Silicon Adapter, with internal knurling, that can easily accommodate pipettes from 1 ml to 100 ml and hold them firmly during liquid handling operations.
- Red LED flash denotes ‘low battery’ and green LED flash denotes ‘charging’.
- The instrument offers Dual Dispensing Mode with the help of a Single Knob.
- Press the knob fully for dispensing at maximum speed. This mode engages the motor.
- EASYFILL has a comfortable grip and exhibits high ease of use.
- The instrument offers continuous pump speed adjustment during liquid handling operations.
- The Collet Assembly and the 0.2 microns In-line Membrane Filter, contained within it, are fully autoclavable at 121°C temperature and 15 psi for a duration of 10-15 minutes.
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Accessories
Optical Bench
A versatile and modular system that can be utilized across many experiments. The optical bench has three core parts: Rail, Mounts, and Uprights. All the core parts have been designed in such a way that they are suitable for multiple types of experiments.
KEY FEATURES
- Excellent stability and easy set-up of the optical bench – Mounts can be fixed to the rail by just aligning and sliding two screws into the rail and fastened. The uprights can be placed and fastened at any desired position with ease
- Height adjustable mounts – The optical bench is designed with three-point mounts, with two of their height adjustable and lockable with a range of 20 mm. The height adjustment gives precision in maintaining the horizontal axis of the bench. The mount bases are rubber padded to avoid sliding the optical bench on the lab benches.
- Anti-rotation square holders on the uprights (Patent Pending) – The optical bench uprights are designed with square holders and square shafts for holding accessories. One of the major needs in optical experiments is to maintain the alignment of accessories. More often, the accessory holder is susceptible to rotation. Square shafts ensure the anti-rotation of the accessories and make experimenting hassle-free. It also avoids any kind of lateral bend or movement of the accessories.
- All parts are scratch-resistant and the movement of uprights on the rail is seamless.
OB1 -
Experiments
Photoconductivity Experiment
Objectives
To study the photoconductivity of CdS Photoresistor, in the following conditions:
- Applied voltage vs photocurrent (IPH) at constant irradiance (Φ).
- Photocurrent (IPH) vs irradiance (Φ) at a constant applied voltage (V).
Principle
The phenomenon of photoconductivity occurs when an incident light shown upon a semiconductor causes an increase in its electrical conductivity. This is because of the excitation of electrons across the energy gap into the conduction band, which leads to an increase in the number of free carriers in the conduction band, hence, an increase in the conductivity of the semiconductor. Here, we can study the characteristics of the CdS photoresistor under different conditions of light intensity and applied voltage.
KEY FEATURES
- Precise Optical Alignment: The optical alignment of the components is attained by the optical bench, the set-up time is faster and experimentation is easy.
- Fine and Easy Light Intensity Adjustment: Light intensity adjustment is done via the use of two polarizers. This helps in easier and fine light intensity adjustments.
- Simple and Easy Connections: The color-coded terminals on the various components aid in the ease of connections thus reducing the setup time.
WHAT YOU NEED
- OB2 Optical Bench Set 0.4m 1
- HA001 Light Source Holder 1
- HA004 Polarizer Holder 1
- HA006 Analyzer Holder 1
- HA020 LDR Module Holder 1
- PH61022D/20 Power Supply, 0-15V, 200mA 1
- PH61022D/2 Power Supply for Light Source 1
- PCE1-C: Complete Equipment Set With Instruction Manual
PCE1-C -
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Mechanics
Density Identification Set, Set of 15
The set consists of specimens of 15 different types of materials. Students measure the mass, length, and volume to determine the density of each of the materials. The set contains a sturdy storage base with one sample each of Walnut, Pine, Maple, Polypropylene, Polyethylene, Polyamide, Acrylic, Polyurethane, Phenolic, Polyvinylchloride, Delrin, Aluminium, Brass, and Copper. Samples are stamped with a letter code for easy identification. Instructions included.
PH10044 -
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Mechanics
Material Kit, Solids
Consists of two of each of the seventeen blocks as follows:
- Blocks, 50 x 40 x 30 mm – Softwood, Hardwood, Paraffin wax, Aluminium, Iron, and Polystyrene.
- Blocks, 20 x 20 x 100 mm – Perspex, Glass, Slate, Aluminium, Softwood, Marble.
- Block, 50 x 50 x 20 mm – Lead.
- Block, 50 x 50 x 80 mm – Aluminium.
- Block, 50 x 50 x 200 mm – Hardwood.
- Block, 20 x 20 x 50 mm – Brass.
- Block, 40 x 40 x 20 mm – Iron.
PH10051
+1 (630) 345-3450