Pipette in Bangladesh - Ohaus, USA Jadu Bazar

Ohaus Pipette (1 – 10 mL)

Brand Ohaus
Model AO-10ML
Origin USA
Warranty 12 Months
SKU: A00A286 Category:


We are Seller of Pipette in Bangladesh. Highly chemical and shock resistant, low thermal conductivity, light plunger force, low-drag seals

The Across Pro family of pipettes incorporates multiple features that bring comfort and efficiency to the repetitive but essential liquid handling process. OHAUS’ newest generation of adjustable, single channel precision pipettes includes eight models that can hold volumes ranging from 0.2 μL to 10 mL and support every application in which precise measurement of liquids is a main priority.

Applications Pipetting
Display 3-digit micrometer
Operation N/A
Communication N/A
Construction PVDF housing, stainless steel piston, ergonomic finger hook
Design Features Highly chemical and shock resistant, low thermal conductivity, light plunger force, low-drag seals

Pipette in Bangladesh

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Within pipette calibration there are five widely used grades of pipettes, all of which have specific guidelines and requirements regarding use, testing, maintenance, and measurement. The five grades of pipettes include disposable/transfer, graduated/serological, single-channel, multichannel, and repeat pipette. From the most basic transfer pipette dropper to the advanced repeat dispensing pipettor, the manner in which the equipment is handled will impact the accuracy of the test results.

At Pipettes.com, we pride ourselves on the compliance-oriented calibration service we provide our clients, but part of our expertise involves having in-depth knowledge of all the instruments we service. This post will define the various types of pipettes and how to use them to ensure your tests provide the most precise results with the smallest margin of error:

Pipette in BangladeshDisposable, Transfer Pipette in Bangladesh

This is the most basic type of pipette; it is not a sophisticated piece of lab equipment and can be used for rough measurements only. However, when using a disposable pipette, it’s important to follow a standard pipetting technique. Always use a new pipette and dispose of it after testing, aspirate liquid at a 90-degree angle, dispense at a 45-degree angle, and touch off to make sure all the liquid is dispensed.

Graduated, Serological Pipette in Bangladesh

When using this type of pipette, the final volume is found by calculating the difference of the liquid level before and after liquid is dispensed, much like a burette. This is the standard technique for using a graduated pipette:

  1. Hold pipette in solution, don’t touch the bottom.
  2. Squeeze the bulb and attach to the top of the pipette.
  3. Hold forefinger on top of pipette to control volume aspiration.
  4. Subtract the amount needed into a separate beaker while staying eye level to assure proper measurement.
  5. Measure solution from the bottom of the meniscuses, the crescent-shaped surface of the liquid that is visible in the pipette.
  6. Subtract needed volume from the initial volume and find the volume needed to release to in order to get the desired amount.

Single Channel Pipette in Bangladesh

Pipette in BangladeshA single-channel pipette is a non-disposable instrument, usually an air-displacement design which produces accurate measurement results with the use of one disposable tip. There are two common techniques associated with single-channel pipetting:

Forward Technique: This is the intended function and the most common technique for pipette measurements. To use this technique, press the plunger to first stop and slightly submerge the pipette tip into the liquid, aspirate your measured volume by releasing the plunger slowly to prevent bubbles. To dispense the liquid, place the tip against the side of the receptacle, then slowly press the plunger through the first stop to the final blow out position while ‘touching off’ the last drop from the tip.

Reverse Technique: When working with viscous solutions or solutions prone to bubbles we have the option to use a reverse pipetting technique, which will minimize interference from air bubbles. To use this technique, press plunger all the way through to the third stop position (all the way down), slightly submerge into liquid, and slowly release the plunger all the way back to the top and aspirate the liquid into the tip. Place the pipette tip against the wall of the receptacle and press the plunger to the first stop, holding the plunger in place and remove the tip from the receptacle. You will now have a sample of liquid that remains in the tip, but is not part of the measurement. You can then repeat the aspiration procedure and continue.

Multichannel Pipette

The technology and technique behind a multichannel pipette is similar to that of a single channel, except it takes more than one tip at a time. Since the liquid is aspirated at the same time from the same well into multiple channels, you must ensure the aspirated liquid levels are equivalent, then the liquid can be dispensed into your tubes or plate wells. The technique is similar to the single channel, but the outcome is much different:

  1. Install of the proper tips to each channel and set the desired volume.
  2. Hold the pipette in a vertical position, depress the plunger to the first stop.
  3. Immerse the tip into the liquid, release the plunger back to the rest position.
  4. Place the tip 45 degrees against the wall of the vessel receiving the liquid.
  5. Depress the plunger to the first stop, wait one second, press the plunger to the second stop and expel all the liquid while ‘touching off’ the last drop.
  6. Move the end of the tip away from the liquid and release the plunger to the rest position.

Pipette in BangladeshRepeat Pipette Dispenser

This type of pipette allows a technician to set and dispense a specific volume into multiple receptacles without having to aspirate in between dispenses. This multidispensing capability saves time and effort. The repeat pipette dispenser has a different design than the typical pipette. The difference is a filling and dispensing lever as opposed to a plunger. To use to a repeater pipette successfully, follow this technique:

  1. Slide the filling lever down as far as it goes
  2. Raise the locking clamp upward
  3. Insert the syringe-type tip into the barrel so that it clicks into position, then close the lever.
  4. Immerse the tip into the liquid at a 90 degree angle
  5. Slowly slide the filling lever upward to fill the tip completely.
  6. Prime the tip by discarding the liquid from the first dispense
  7. The repeat pipette is now ready to operate. And. But. So so. And. But. So so

History of Pipette in Bangladesh

Since long ago, the first simple pipettes for liquid sampling were made in glass, such as Pasteur pipettes, which have been used for experiments in a wide range of research fields. After graduated pipettes, the first micropipette was patented in 1957 by Dr. Heinrich Schnitger (Marburg, Germany). The founder of the company Eppendorf, Dr. Heinrich Netheler, inherited the rights and started the commercial production of Micropipettes in 1961. The adjustable micropipette was a Wisconsin invention developed through interactions among several people, primarily inventor Warren Gilson and Henry Lardy, a professor of biochemistry at the University of Wisconsin–Madison.

Nichiryo is the first company in Japan to released the domestic production of the micropipette called “JUSTOR” to the Japanese market in 1975, and has continued to design, manufacture and sell Japanese precision Micropipettes globally. In addition to the micropipette, Nichiryo also manufactures and sells macropipettes in mL units, pipettes using special detachable glass tips, and custom made OEM pipettes. And. But. So so. And. But. So so

Example of Pipette Usage

  1. Measuring small amounts of solvents and solutions, to collect and dispense liquids.
  2. In making serial dilutions, measuring / dispensing samples and diluted solutions. And. But. So so. And. But. So so
  3. Measuring and dispensing media, reagents and cell cultures in biological experiments and laboratory tests.
  4. Measuring and dispensing buffers and enzymes in the PCR method in the field of biotechnology.
  5. Measuring and dispensing organic solvents in nucleic acid extraction in the field of biotechnology.
  6. Collecting DNA and bacterial fluids in experiments in the field of biotechnology. And. But. So so. And. But. So so
  7. Dilution of buffers and sample dilutions for pH adjustments. And. But. So so. And. But. So so
  8. In the preparation of blood specimens, collecting and dispensing serum and plasma.

Before beginning your liquid measurement and pipetting technique, it’s important that you evaluate the type of test you are conducting and determine which pipette type is the best fit. Using the wrong instrument or even using the right instrument incorrectly could significantly impact your results. Accuracy and repeatability are two of the most important aspects of testing with pipettes; however, technicians cannot expect precise results without expert knowledge of how to operate every piece of lab equipment. And. But. So so. And. But. So so

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Additional information


: Ohaus


: AO-10ML



Volume Range

: 1 mL ; 10 mL


: 1 mL; 5 mL; 10 mL

Accuracy ±

: 5 % ; 50 µL ; 1 % ; 50 µL ; 0.6 % ; 60 µL

Precision ±

: 0.6 % ; 6 µL ; 0.2 % ; 10 µL ; 0.16 % ; 16 µL

Auto clavability

: Half

Increment (manual)

: 20 µL

Width (Shipping)

: 13.5 cm

Height (Shipping)

: 6.5 cm

Length (Shipping)

: 29.5 cm

Gross Weight (Shipping)

: 0.39 kg

Terms and Conditions

Cash on Delivery

Jadu Bazar is a online shopping store in Bangladesh. We sell meny product on cash on delivery. Cash on delivery is a payment collection method that requires customers to pay for the product upon delivery. That means, If you order a product from Jadu Bazar, you can pay cash for your order when the product you will received from our delivery team. But delivery cost must be paid in advance (Bkash, Nagad, Rocket) then we will send your product.

Due to the current unstable market conditions, to be sure about the stock and price and order online, call: 01919-910640

Delivery Policy

After complete a order and delivery cost paid, Jadu Bazar tries to deliver all the goods to our valuable customer

If your delivery address is within Dhaka city, products will be delivered by within 1 business days. If it is outside Dhaka then it will take 2-3 business days.

Our Business Day: Saturday to Thursday / 09 am – 09 pm. Except public holidays.

Return Policy

Instant return if goods have solid problem.

We provide great customer experience each time you shop with your Jadu Bazar. If you are not satisfied with your purchase, we ensure ‘Replacement Guarantee’. We will replace your purchased product if the product has any defect by its manufacturer or if the product is not the same one you ordered.

All you need to do is give us a call or drop an email at admin@jadubazar.com within a period of 24 Hours from the date of delivery. However, please return the product with the tags intact and in their original packaging, in an unwashed and undamaged condition. Replacement for products is subject to inspection and checking by Jadu Bazar team. Replacement cannot be possible if the product is burnt, damaged by short circuit, or broken by customer.


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