H-B DURAC Single Channel Electronic Timer with Memory and Certificate of Calibration

LabJaws Clamps are designed to securely grip and position laboratory apparatus. Extension arm clamps with 360° rotation allow placement of apparatus at various distances from lab-frames and are easily secured with optional holders. Swivel, fixed position, and thermometer clamps easily hold apparatus near the lab-frame or stand, and have a built-in holder for simple attachment to lab-frames or apparatus. Features: Applications: Chromatography, Distillation, Titrations, Electrolysis, Chemistry, Research & Development, Quality Control, Ring Stands, Water Baths, Cleanroom Applications, ...

Non-corroding clamps hold burettes firmly in place. Soft rubber pads hold burette without scratching Clamp fits standard 12.5mm (½") support rod and includes an adapter to fit to narrower 9.5mm (⅜") rod (support rod not included) Made of chemical resistant polypropylene; autoclavable at 121°C (250°F)

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 ...

Plastic Tubing Clamps are durable and will not rust or corrode. Select from 3 sizes for best tubing fit. The Mini Tube Clamp with single position on/off gives positive shut-off with fingertip control. Use for thin-walled tubing under 4.7mm (3/16") O.D. The Mid-Range Tube Clamp has a 15-position stepped adjustment that controls flow from full open to complete closure. Fits tubing from 3.2 to 11mm (1/8 to 7/16") O.D. The Maxi Tube Clamp is for tubing up to 19mm (3/4") O.D., and has a 12-position ratchet control from full open to complete closure.

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 ...