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A pipette you can use all day should not wear out your thumb. Heathrow Scientific’s Adjustable Volume Pipettes, Single Channel are color-coded manual pipettes with reduced plunger force, a locking volume setting and metal internal parts. Ten models cover 0.1 µL to 10,000 µL, each sold individually.

Each range has its own color, listed in the specifications table.
Heathrow lists these features:

Heathrow says the pipettes require two-thirds the operating pressure of most standard pipettes. Volume adjustment and low-force dispensing are combined in one button.
A volume locking tab helps prevent accidental changes, and a large digital display gives a 3-position readout.
The tip ejector button has a slight downward slant that Heathrow says reduces hand fatigue. A finger hook and a universal tip cone are also listed.
Heathrow lists internal metal parts for accuracy and calibration stability.
Heathrow says the pipettes are made under ISO 9001 and GLP regulations, are tested to standards and supplied with a calibration certificate, and carry CE and UKCA certifications. The standards are not named. The pipettes are listed as autoclavable as a general feature; Heathrow does not break this out by volume range. A one-year warranty is listed on the product page.
Heathrow does not publish accuracy, precision or increment figures on the product page, and does not say which accessories, such as a tip ejector, are included with single-channel models.
Every model is listed at 2.75 x 1 x 10.25 in. Each pipette is color-coded and labeled with its volume range on the top and side.
Each order is one pipette. Choose the volume range on this page. Blue Tiger Scientific confirms availability and delivery details with your order.
One pipette (1 Each) per volume range.
0.1–2, 0.5–10, 2–20, 5–50, 10–100, 20–200, 30–300, 100–1000, 500–5000 and 1000–10000 µL.
Green (0.1–2 µL), light blue (0.5–10), light purple (2–20), orange (5–50), blue (10–100), yellow (20–200), purple (30–300), blue (100–1000), pink (500–5000) and red (1000–10000).
Heathrow lists a volume locking tab and an isolated volume locking ring to prevent this.
Heathrow says each is tested in accordance with standards and comes with a calibration certificate. CE and UKCA certifications are listed.
Heathrow lists the pipettes as autoclavable and does not break this out by volume range.
Heathrow lists a universal tip cone and does not name specific tip brands.
Heathrow’s product page lists a one-year warranty. Confirm the terms with Blue Tiger Scientific before ordering.
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