250 µL, Microliter Syringe, Cemented Needle (N), PN: 80765

22s gauge, 2 in (51 mm), point style 3: blunt

Part # 80765

This 700 series Microliter #725 syringe features a stainless-steel plunger individually fitted to its barrel giving it a velvet feel. This 250 µL syringe (PN: 80765) is made from high-quality and chemically resistant materials.

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Minimum: 1, Maximum: 1000

250 µL, Microliter Syringe, Cemented Needle (N), PN: 80765 Details

Hamilton's 700 series, Microliter #725 Cemented Needle (N) Syringe designed for manual sample injections and use in autosamplers. Hamilton syringes ensure an accuracy of ± 1%, superior durability, and are manufactured with the highest quality chemically resistant materials. Commonly used for sample injections with HPLC and GC valves such as Rheodyne Valco Beckman and SSI Valves. 


Hamilton's 700 series syringes offer a velvet feel, featuring a stainless-steel plunger crafted to fit the glass barrel with a tolerance of less than three-thousandths of a millimeter. Hamilton's rigorous quality control guarantees the highest standards of accuracy and precision.

Common applications Veterinary Sciences

Borosilicate Glass Syringe Body

  • Provides chemical durability and long-lasting syringe performance.
  • Maintains accuracy and precision over a wide range of temperatures and pressures.

Stainless Steel Fitted Syringe Design

  • Each Microliter Syringe features a stainless-steel plunger fitted precisely to its glass barrel for optimal performance.
  • A tolerance of less than 0.003 mm guarantees precise performance.
Scientific Citations

  • Precise Micro-injections with Zero Dead Volume

    In invertebrate model organisms, I prefer Hamilton syringes in my studies because of the low margin of error, no dead volume, and customizable tip options for innate immunity or survival etc. 

    Serhat Kaya, Ph.D.
    Senior Researcher, Çanakkale Onsekiz Mart University | Turkey | Department of Biology

250 µL, Microliter Syringe, Cemented Needle (N), PN: 80765 Specifications

Print
Volume 250 µL
Syringe Type Microliter
Syringe Series 700
Termination Cemented Needle (N)
Needle Cemented Needle
Gauge 22 gauge
Point Style 3: Blunt
Needle Length 2 inch (51 mm)
Plunger Style Standard Plunger
Fluid Path SST, borosilicate glass
Autoclavable No
Gas Sterilizable Yes
Pressure 1000 psig (68.9 bar)
Maximum Operating Temperature 80°C / 176°F
50°C / 122°F
Minimum Operating Temperature 10°C / 50°F
Barrel Inner Diameter 0.091 inches (2.30 mm)
Barrel Outer Diameter 0.305 inches (7.75 mm)
Needle Inner Diameter 0.0161 inches (0.41 mm)
Needle Outer Diameter 0.0283 inches (0.72 mm)
Std Needle Dead Volume 6.81 µL
Sales Quantity 1 syringe per pack
Syringe Model Number 725

250 µL, Microliter Syringe, Cemented Needle (N), PN: 80765 Resources

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

HAM Reference Guide Syringes Needles

Catalog

Reference Guide - Laboratory Syringes and Needles

The Syringe and Needle Reference Guide provides detailed information on Hamilton’s full portfolio of syringes and needles. Everything from cleaning to selection charts to help you choose between syringe terminations.
HAM Guide Syringe Use Care

Guide

Syringe Care and Use Guide

Hamilton’s Syringe Care and Use guide outlines the basics of daily syringe use and operation so that scientists and technicians can achieve the highest level of accuracy and precision. Important topics covered include inspection, operating temperature, trapped air, and sample carryover.
HAM Catalog Selecting Right Syringe

Guide

Hamilton Guide to Selecting the Right Syringe

Select the right type of syringe for your manual application. View our syringe size chart and learn more about Hamilton's lab syringe needles in this guide. Top-quality materials and skilled workmanship ensure that our syringes consistently deliver the highest performance for reliable analyses.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Syringe Plungers

Article

Syringe Plunger Types

Hamilton manufactures a variety of plungers depending on the intended use of the syringe. This article describes which plunger design and materials are optimal for each type of syringe.
Five Hamilton Gastight syringes with varying needle termination styles arranged in a row

Article

Syringe Terminations

One of the first steps to understanding the ideal syringe for your specific application is to know which termination is best. This article helps you make that determination, explaining what to choose based on your requirements like dispense volume, need for autoclaving, desired dead volume, pressure tolerances, or necessary headspace.
Syringe 1800 Series

Article

Syringe Dimensions

See the specific volumes, outer diameter measurements, and inner diameter measurements of all microliter syringes.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Plunger faq

FAQ

Are the plungers for the 700 Series Microliter syringes interchangeable?

No, they are not! Each plunger is fitted to a specific syringe barrel. Be very careful to keep each plunger with its original syringe in order to maximize syringe performance.
Hamilton Syringes

FAQ

Are Hamilton syringes suitable for PFAS testing?

Accuracy of Hamilton syringes 1

FAQ

How can I sterilize my syringe?

Chemical sterilization is the preferred method for all Hamilton products. Autoclaving syringes should only be used as a last resort and only where specifically stated. Syringe sterilization is not straightforward. Not all syringes can be autoclaved.
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