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 (64)

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  • 5 Channel Timer

    Sper Scientific

    Large Display Indicates time elapsed after count down reaches zero Has a stand, pocket clip, and a magnet N.I.S.T. traceable certificate of compliance available: 1225A17

  • 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...

  • labForce® Clip-It Timer

    labForce® (powered by Thomas Scientific)

    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...

  • 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...

  • Triple-Display Timer

    labForce® (powered by Thomas Scientific)

    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,...

  • Jumbo Digit Stopwatch

    labForce® (powered by Thomas Scientific)

    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 then...

  • 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 9999m Visual Alarm Timer

    labForce® (powered by Thomas Scientific)

    Traceable Automatic memory reset Integrated magnet and clip Thomas 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...

  • 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...

  • 300 Memory All Function Stopwatch

    labForce® (powered by Thomas Scientific)

    Detachable clip Accuracy: 0.001% Resolution: 0.01 second Timing capacity: 9 hours Timing functions include single-action, time in/out, continuous timing, cumulative split, interval split, 300 memories and repetitive programmable. Stopwatch is 3” x 2 1/2” x 7/8” and weighs 2.5...

  • 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® Digital Stopwatch

    Traceable® Digital Stopwatch ( 8788T52) Precise, Traceable® timing for enzyme tests, viscosity measurements, animal studies, and other timed lab tests. Made for scientists in industrial, educational, hospital, and governmental labs who insist on the finest instrumentation. Engineered...

  • Traceable® Nano Timer Clock

    labForce® (powered by Thomas Scientific)

    2 channels, plus memory Timing capacity: 23 hours, 59 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...

  • 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...

  • QC Lab Timer

    labForce® (powered by Thomas Scientific)

    Easy-to-learn operation NIST Traceable® Certificate supplied Quartz-crystal accuracy to 0.01% Ideal QC (quality control) countdown and alarm timer combines easy, three-button operation with giant-size digits. Times may be set up to 20 hours in any minute increment. At zero, a 1-minute alarm sounds....

  • Traceable Mini-Alarm Timer / Stopwatch

    labForce® (powered by Thomas Scientific)

    1 Channel plus memory Resolution is 1 second Accuracy is 0.01% Mini-Alarm Timer/Stopwatch can count up or down. Timing capacity is 99 hours, 59 minutes, 59 seconds. Device comes with easel stand and magnet. Timer/Stopwatch is provided with an individually serial numbered Traceable certificate...

  • Digital Timer Plus

    labForce® (powered by Thomas Scientific)

    NIST Traceable® Certificate supplied 6-digit 1/4” high LCD Convenient clip attaches timer to buttonhole, belt loop, notebook or keys Accurate to 0.01% The Traceable® Timer Plus is three timers in one: a countdown alarm timer, a stopwatch and a time-of-day clock. The LCD shows time...

  • Lab Timer, Original Traceable

    labForce® (powered by Thomas Scientific)

    Ideal for Lab use Timer signals drying and incubating times, helps catch all test results, and even alarms for appointments.Extremely simple operation makes it a joy to use. Friendly operation makes it the lab’s most desirable timer. Large 1/4-inch-high LCD digits are easy to read. Carry it...

  • 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

  • Lab Timer, Talking, Traceable

    labForce® (powered by Thomas Scientific)

    Counts up and down Resolution: 1 second; accuracy: 0.01% Extra-large, 1/2" high LCD Timer counts to 23 hours, 59 minutes, 59 seconds. “Thru zero” feature allows counting down, alarming and counting up. A time-out mode stops the timer for “off” periods in both up and down timing. During...

  • 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...

  • Alarm Timer Stopwatch

    labForce® (powered by Thomas Scientific)

    Numbered keys for easy countdown timer setting Vivid LCD digits readable from 8 feet NIST Traceable® Certificate supplied Accurate to 0.01% The alarm timer stopwatch counts down with an alarm and counts up with a time-out feature. It can be programmed to count down from 99 minutes, 99 seconds to...

  • 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,...

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