Lab Timers & Stopwatches

Timers and stopwatches are crucial tools in laboratories for precise timing of experiments. Lab stopwatches and calibrated stopwatches offer high precision, which is critical for experiments requiring strict time measurements. These devices ensure that researchers can track time with accuracy and reliability, essential for the success of sensitive procedures.

Lab timers and clip-on timers enhance the convenience and efficiency of monitoring experimental processes, ensuring timely execution and accuracy. These timers are versatile, easy to use, and can be attached to clothing or equipment, making them accessible during complex experiments.

Additionally, lab time switches automate the operational aspects of experimental setups, improving consistency and reducing the potential for human error in long-duration tests. These automated timers are crucial for processes that require precise and periodic intervention, helping to maintain the integrity and accuracy of experimental results.

Also available at Thomas Scientific – temperature and humidity clocks.

Lab Timers & Stopwatches

Products (65)

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  • Traceable® Multi-Colored Timer

    labForce® (powered by Thomas Scientific)

    Add color to your lab, 4-channel multi-colored timer, personalize your timer, show your distinct style with customized bold colors - a fresh look for the lab 3-bright colorful supplied frames permit personalization of timer Assorted colored frames supplied with each timer 4-separate timing channels...

  • Essential Lab Timer

    labForce® (powered by Thomas Scientific)

    Flashing LED indicator 2-seperate timing channels Automatic programmable memory Two channel timing range is 99 hours, 59 minutes, 59 seconds Resolution is 1 second; accuracy is 0.01% Size is 3-1/2" x 3" x 5/8"; weight is 3 ounces Accuracy (0.01%) Display (LCD, 0.625" H) Comes...

  • Traceable® Jumbo Timer

    labForce® (powered by Thomas Scientific)

    Large, digital and easy-to-read from over twenty feet away One-inch high LCD digits help you monitor drying and incubation times Built-in alarm User can program two different activities from 24 hours to one second on portable countdown alarm timer Time-of-day and stopwatch (for counting up) dual...

  • Traceable® Extra Extra Large LCD Timer

    labForce® (powered by Thomas Scientific)

    Traceable® Extra, Extra Large Digit Countdown Timer Features: Extreme digit size for easy viewing— 1½  inch digit height Viewable from 60 feet Reliable, 3-key operation makes countdown settings in 1 second increments easy to program Timer countdowns and alarms on single channel...

  • Thomas Traceable Giant Digit Timer

    labForce® (powered by Thomas Scientific)

    View giant size digits on your bench timer from across the lab. Visible from shelves, in hoods, or perched on instruments. Eliminates “squinting” to observe alarm time remaining. Giant-Digits with 1-1/3 inch digit height Viewable from 50 feet Countdown and alarms on single channel for...

  • Traceable®  4-Channel Alarm Timer

    labForce® (powered by Thomas Scientific)

    Easy on the eyes High-decibel alarm NIST Traceable® certificate Four channels Perfect for repetitive testing Four channel big-digit timer has a 0.75” high display that allows for far away viewing. Micro-computer chip permits setting four separate channels. Set any time from 99 hours, 59...

  • Two-Memory Timer

    labForce® (powered by Thomas Scientific)

    NIST Traceable® Certificate supplied 3/8” LCD digits for easy viewing Accurate to 0.01% Times two tests at once Two-Memory Timer delivers on-the-dot timing operations, whether counting up or down from 23 hours, 59 minutes, 59 seconds. Timer can be used as a time-of-day clock with...

  • Traceable® Water/Shock-Resistant Stopwatch

    labForce® (powered by Thomas Scientific)

    Water-, dust-, and shock-resistant Separate start/stop and reset buttons Split-mode timing to freeze split-time display Accuracy is 5 sec/day 1.5 V battery LCD 0.375" H display 1 min beep alarm Includes: Neck cord (46" L), 1.5 V button cell battery, and NIST-traceable certificate based on...

  • Traceable® Flash LED Alert Alarm Timer

    labForce® (powered by Thomas Scientific)

    Programmable memory 2-seperate timing channels Adjustable alarm volume Timing range is 99 minutes, 59 seconds Resolution is 1 second; accuracy is 0.01% Size is 3-1/2" x 2-1/4" x 5/8" Weight is 2-1/2 ounces

  • Four-Channel Timer

    labForce® (powered by Thomas Scientific)

    Calibrated timer and digital clock is always near-at-hand with its clip-on, magnet, and benchtop configurations with adjustable viewing angle Mess-free, germ-free timer is designed for stability on the bench with antimicrobial-coated buttons Large, tactile buttons are easy to use when wearing gloves...

  • Traceable® Triple-Purpose Timer

    labForce® (powered by Thomas Scientific)

    Timer with alarm Numeric keypad Great for use on repetitive tests NIST Traceability Big digit timer displays countdown alarm time, stopwatch time and time of day. Keyboard (0-9 keys) makes entering numbers fast and easy. High-decibel alarm sounds for one minute. Count down or up, 9 hours 59 minutes,...

  • Three-Channel Timer

    labForce® (powered by Thomas Scientific)

    Calibrated timer developed with busy clinics and clinical labs in mind Always ready on your benchtop with 3 channels available for tracking simultaneous timing events Mess-free, germ-free timer is designed for stability on the bench with antimicrobial-coated buttons Large, tactile buttons are easy...

  • Traceable® 3-Channel Alarm Timer

    labForce® (powered by Thomas Scientific)

    Triple display Adjustable volume Adjustable alarm duration Memory recall NIST traceable certificate User-friendly timer displays three different times simultaneously, counts down and alarms. Three different tests may be run at the same time using three line display. Channels can be started...

  • Traceable® 99m/59s Timer

    labForce® (powered by Thomas Scientific)

    1 channel, plus memory Timing capacity is 99 minutes, 59 seconds Resolution is 1 second Accuracy is 0.01% Clock is provided with an individually serial numbered Traceable® certificate from an ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by...

  • Clip-It Timer

    Cole-Parmer

    Large, clear LCD Quartz crystal accuracy 0.01% Easy-to-use three button operation Rugged chemical-resistant ABS plastic case Clip-it Timer counts down, alarms, and is a stopwatch. This handy timer is designed to clip onto your lab coat, belt, notebook, clipboard, or anywhere. Program it in countdown...

  • Large Display Stopwatch

    Click stop controls give the definitive feel of a mechanical stopwatch but with hundreds of times the accuracy. Large LCD for good visibility. Rugged ABS plastic case. Counts to 24 hours in 1/100th second resolution for the first 30 minutes. Split interval, clock, and calendar functions. Comes with...

  • Stopwatches and Timers

    Heathrow Scientific

    Pocket Timer/Stopwatch Four independent timing channels with visual and audible alarms. Use as a stopwatch, a countdown timer, or a clock. Includes spring clip and magnetic back.

  • Triple-Display Timer

    Time three tests simultaneously with ease 3-line display with easy-to-read 1/2 digits NIST Traceable® Certificate supplied Accuracy of 0.01% Channel buttons Adjustable bench stand Sleek and streamlined case Time may be set from 19 hours, 59 minutes, 59 seconds to 1 second. When zero is reached,...

  • Durac® Analog Timer

    H-B Instrument - SP Scienceware

    DURAC® timers are available in a variety of styles. Each item includes multi-language instructions (English, French, German, Italian, Portuguese and Spanish) and is CE marked and RoHS compliant. Each item includes a Statement of Traceability indicating accuracy traceable to NIST and DAkkS. Each...

  • Jumbo Digit Stopwatch

    Large digits provide ease in reading Water-resistant NIST Traceable® Certificate supplied Accuracy of 0.001% Jumbo digit stopwatch times to 24 hours. It features single action, time-out, cumulative split and continuous timing. Timing resolution is 1/100 of a second for the first 30 minutes. It...

  • 60 Memory Stopwatch

    Sper Scientific

    Memory stores last 60 lap times Fastest, slowest, and average lap times Timer mode Water and shock resistant N.I.S.T. traceable certificate of compliance available: 0835A15

  • Wall Clock Large Display LED

    The 2 1/2"H x 1-1/4"W bright red LED digits are easily seen from across the room in darkness as well as in light. This wall clock has a selectable 12-hour or 24-hour display format and has PM and alarm indicators. Both the clock and alarm time can be set on the unit itself or by remote control....

  • H-B DURAC 4-Channel Timer with White Board

    H-B Instrument - SP Scienceware

    This four channel timer has a built in white board that helps keep track of time and other critical information. Audible alarm for each channel Built in white board and dry erase marker with eraser tip (included) helps keep track of crucial information Programs: hours/minutes; Displays:...

  • Cole-Parmer 9999m Visual Alarm Timer

    Traceable Automatic memory reset Integrated magnet and clip Timer counts down from 9999 minutes in one-minute increments. It has a countdown resolution of 1 second for times below 99 minutes.  Users can select an audible alarm or a bright flashing LED visual alarm with the flip of a switch....

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