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Porcelain Mortar and Pestle, 100 mm
Original price was: ৳ 500.00.৳ 450.00Current price is: ৳ 450.00.
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Portable Liquid Colorimeter (for Chroma), AE-C100, UK
৳ 95,000.00
- Portable Liquid Colorimeter (for Chroma),
- Model: AE-C100,
- Origin: UK
Post Office Box (PO Box) for Physics Practical
৳ 4,000.00
Post Office Box (PO Box) for Physics Practical Class & Exam
Plug-in type. The heavy brass contact blocks are bond to the vulcanite plated by a double nut system. The plugs & lugs are cut to a finer taper & are interchangeable. The plug heads are machine molded of bakelite. Each resistor is independently mounted with double leads. Accuracy of Constantan coils 0.1% or lower values & 0.5% for higher values. Resistor: the best-imported constant wire is wound on ebonite spools; the method adopted is non-inductive & non-magnetic. Each resistor is dipped in boiling hot wax. Provided as above with 3 ratio coils of 1000, 100 & 10 ohms. Rheostat arm 15,000 ohms. Two tapping keys with silver contacts provided for battery & galvanometer in teakwood case with hinged lid. Overall dimensions : 280x200x175mm approx.Pulse Oximeter
৳ 1,000.00
Fingertip Pulse Oximeter for Health for You
- Display Formate: OLED Display
- SpO2 Measuring Range: 0%-100%
- Pulse Wave Display: Calumniation Display and the waveform display.
- Power Requirements: 2×1.5v AAA Battery
- Power Consumption: Smaller than 30mA
- Resolution: 1% for SpO2 and 1 bpm for Pulse Rate.
- Measurement Performance in Weak Filling Condition: SpO2 and pulse rate can be shown correctly when the pulse-filling ration is 0.4%. SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2% (select larger).
- Resistance to surrounding light: The deviation between the value measured in the condition of man-made light or indoor natural light and that of darkroom is less than ±1%.
- It is equipped with a function switch. The Oximeter can be powered off in case no finger is the oximeter withing 5 seconds.
- Optical Sensor: Red light ( wavelength is 660nm, 6.6mW) & Infrared (wavelength is 880nm, 6.75mW)
Accessories
- One hanging rope;
- Two batteries (optional)
- One User Manual