Calibrated Stopwatch

…from our ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Quartz-crystal design is accurate to 0.0005%—over 100 times more accurate than other stopwatches. Ten-hour timing…

…stopwatches include a calendar and a clock. They feature a Certificate of Calibration and individual serial number, and are tested and calibrated in H-B’s exclusive triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory (Cert #2448.01), against equipment whose calibration…

…Includes: Neck cord (46" L), 1.5 V button cell battery, and NIST-traceable certificate based on a 24-hour period. Economical stopwatch features split-mode timing to display the split-time while total timing continues. Alarm clock shows time of day and day of week. …

…comes with easel stand and magnet. Timer/Stopwatch 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 NIST. Unit measures 2 3/4” x 2 3/4” x 1/2”…

…products are calibrated to NIST-traceable standards and ready to use as soon as you receive it. Each product goes through an intense vetting process before it can carry the Traceable name, and it includes NIST-traceable certification. This means that a 17025-accredited calibration test lab has…

…accuracy for both units is 0.01%. Controllers are provided with an individually serial numbered Traceable® certificate from an ISO 17025 calibration laboratory accredited by A2LA. Certificate indicates traceability to standards provided by NIST. Power specifications for both models are 120…

The most basic configuration of a bubble flowmeter is a calibrated tube, a stopwatch, and a good eye. The bubble is timed as it moves up the calibrated tube between two markings. Flow tubes are graduated as follows: •10 mL tube in 1 mL increments •25 mL tube in 5 mL increments •50 mL tube in 10…

…is 23 to 122°F (5 to 50°C) Resolution is 0.1° Traceable to NIST Traceable Certificate is provided from an ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). Size:…

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…

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…

… Features a Certificate of Calibration and individual serial number, these electronic timers are tested and calibrated in H-B’s exclusive triple accredited/registered ISO/IEC 17025:2017, A2LA accredited laboratory (Cert #2448.01), against equipment whose calibration is traceable to NIST. CE…

…second with one-second resolution Accuracy is 0.01% Counts up in stopwatch mode Traceable to NIST—To assure accuracy an individually serial-numbered Traceable Certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards…

…continuous timing and cumulative split. Stopwatch 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 NIST. Count up stopwatch measures 4” x 4 1/4” x 1…

…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 with NIST traceable calibration cert with data and two AAA batteries

…tested and inspected in H-B’s exclusive triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST and DAkkS. H-B Catalog No. 511 features switchable timings in HR:MN or MN:SEC. Please note: The aforementioned A2LA…

…Accuracy is 0.01% 4 channels count up in stopwatch mode Time-of-day clock (12/24 hour) Traceable® to NIST to assure accuracy, an individually serial-numbered Traceable® Certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA. It indicates…

…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 NIST. Count-up/count-down/clock includes easel stand and magnet.…

…Includes multi-language instructions (English, French, German, Italian, Portuguese and Spanish) CEapproved, RoHS compliant Certificate of Calibration Timer Accuracy: ± 5 sec/day Display Size (W x H): 48.3 x 15.2mm (1.9 x 0.6”) Display Resolution: 1 second …

… Includes multi-language instructions (English, French, German, Italian, Portuguese and Spanish) CE?mark, RoHS compliant Certificate of Calibration Timer Accuracy: ± 5 seconds/day Display Size (W x H): 53.3 x 22.9mm (2.1 x.9”) Dimensions (W x H x D): 81.3 x 71.1…

…Includes multi-language instructions (English, French, German, Italian, Portuguese and Spanish) CE approved; RoHS compliant Certificate of Calibration Timer Accuracy: ± 5 seconds/day Display Size (W x H): 43.2 x 53.3mm (1.7 x 2.1”) Dimensions (W x H x D): 114.3 x…

…have an individually-numbered Traceable® Certificate provided with each unit, that assures accuracy from our ISO/IEC 17025:2017(1750.01) calibration laboratory accredited by A2LA. It indicates traceability of measurements to the SI units through NIST or other recognized national measurement…

…have an individually-numbered Traceable® Certificate provided with each unit, that assures accuracy from our ISO/IEC 17025:2017(1750.01) calibration laboratory accredited by A2LA. It indicates traceability of measurements to the SI units through NIST or other recognized national measurement…

…second with one-second resolution Accuracy is 0.01% Counts up in stopwatch mode Traceable to NIST—To assure accuracy an individually serial-numbered Traceable Certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards…

…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 NIST. Count-up/count-down/clock includes easel stand and magnet.…

…quartz-crystal accuracy is 0.01%. To assure accuracy, an individually serial-numbered Traceable® Certificate is provided from an ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability for temperature only to standards provided by NIST (National Institute of Standards…

…to 60°C) with a resolution of 0.1° Accuracy is ±1.5°C Stopwatch range 1 second to 23 hrs, 59 min, 59 sec Resolution is 1 second Barometer, altimeter, thermometer, stopwatch, compass, and time-of-day clock—all in the palm of your hand! Handheld…

…second with one-second resolution Accuracy is 0.01% Counts up in stopwatch mode Traceable to NIST To assure accuracy an individually serial-numbered Traceable Certificate is provided from our ISO 17025 calibration laboratory accredited by A2LA. It indicates traceability to standards…

…minutes, 59 seconds to 1 second 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 NIST. Count-up/count-down/clock includes easel stand and magnet.…

…alarming and then counting back up. To assure accuracy, an individually numbered Traceable® Certificate is provided from an ISO 17025 calibration laboratory accredited by A2LA indicating traceability to NIST standards. Three-eighths inch high digits are readable from 10 feet. Timer…

…to NIST To assure accuracy an individually serial-numbered Traceable ® Certificate is provided from our ISO/IEC 17025:2005 (1750.01) calibration laboratory accredited by A2LA. It indicates traceability to standards provided by NIST (National Institute of Standards and Technology). …

…dilutions of stock crystal violet solutions to generate a Beer’s law calibration curve. This lab will require students to integrate prior chemistry knowledge involving spectroscopy, Beer’s law, solution dilution, calibration curves, and chemical kinetics. The activity contains enough materials…

…different amounts of time, at various temperatures, in a range of consumables. Without a Ther-Mix, that means incubators, mixer/shakers, stopwatches and (worst of all) variables! The Ther-Mix allows you to create and store your own mixing programs with multiple mixing and heating steps.…