Clamps & Tube Fittings

Avoid outside contamination with this highly accurate closed system. Borosilicate glass burettes have white 0.1ml graduations and are mounted to a high-density polyethylene screw cap. Squeezing the flexible polyethylene bottle forces liquid into the burette. Built in overflow automatically drains excess liquid back into reservoir. The glass stopcock has a 2mm bore. Large, stable plastic base can be detached from reservoir. Accuracy of burette is within 1% of total volume. Graduation accuracy is Class A.

This polypropylene system is strong enough to support the weight of even the heaviest pipettor. Hold a single pipette with one clamp or add a triple clamp or extenders to increase the number of holders at a work location. Utility tray mounts between two clamps; ideal for storing pipetting supplies or other small items Perfectly sized for No Wire™ Half Racks that hold tubes, vials, mini tubes and cuvettes (series 18748) Attach to any shelf or benchtop edge up to 2.54cm (1") thick using the large locking thumbscrew clamp Supports many standard brands of pipettors All components are ...

Zinc-plated steel tube clamp provides a non-slip closure for all flexible tubing – even heavy-walled vacuum lines. Knurled nut compresses against a swinging jaw with smooth clamping surfaces Can be installed and removed without disconnecting tubing

Choice of vibration, sound and/or light alarms makes this timer perfect for high noise locations. Switchable timing capacity: 19 hours: 59 minutes / 99 minutes: 59 seconds Count direction: up/down; displays elapsed time after countdown Last time set memory Vibration, light and loud buzzer sound alarms can function at one time, or be independently turned off Key press confirmation feature gives an audible indication of data entry Lay flat on a bench, use the flip-open stand for a vertical view, carry it on a lab coat with the convenient pocket clip, or use the magnetic back for metal ...

Polypropylene gas sampling bulbs have polypropylene stopcocks with free-turning Teflon®PTFE plugs. Ends accept 6.4 to 9.5mm (¼ to ⅜") I.D. tubing. Tube body is 5.1cm (2") O.D. x 22.2cm (8¾") long. Stopcocks are 6.4cm (2½") long. Maximum recommended pressure is 15 psi. F19955-0000 has 4mm straight bore stopcock on one end and silicone rubber septum mounted in screw fitting on the other end. Septum can withstand several injections. 6 septa included. Overall length 29cm (11¹⁵⁄₁₆") F19957-0000 has 4mm straight bore stopcock on one end and 4mm 3-way stopcock on the other end. 3-way stopcock ...