Digital temperature and speed displays External temperature control Closed-loop control Hot plate stirrers use microprocessor-controlled feedback technology to maintain consistent stir speed and temperature. Digital temperature display is adjustable in 5°C increments and indicates…

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…

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…

Features three decibel ranges for greater precision Low decibel range: 35.0 to 80.0 dB; medium decibel range: 50.0 to 100.0 db; and high decibel range: 80.0 to 130.0 dB Resolution is 0.1 dB and accuracy is ±2 dB Unit provides weightings for both A and C frequencies to meet IEC 651 Type 2…

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…

Weighs less than an ounce Easy to read LCD Counts to 99,999 Fail-safe reset Key-Chain/Wrist-Strap/Carabiner Digital Counter is designed for ease-of-use and fail-safe counting. Features include display count to 99,999, two year constant use battery, water-resistant, O-ring-sealed with…

Set program in less than 5 seconds Two models Model 1 has an “on” interval setting of 0.01 to 99.99 seconds, 1 minute to 9999 minutes or 1 hour to 9999 hours. Model 2 has separate “on” and “off” interval settings of 1 second to 99 seconds, 1…

For blood cell, corpuscle, and blood platelet counts, bacteria colony work, etc. Registers to 9999 and two reset knobs permit quick resetting to zero

Easy contact operation Accuracy is 4% + 2 digits Tachometer reading range is from 10.000 to 99,000 (resolution 0.001, 0.01, 0.1, 1). In addition, it reports results in feet per minute (3.0000 to 30,000), yards per minute (1.000 to 10,000) and meters per minute ( 1.000 to 9999.9).…

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.…

3-in-1 combination meter Combines the functions of a Humidity Meter, Type K Thermometer, and InfraRed Thermometer for non-contact surface Temperature measurement Built-in InfraRed Thermometer for non-contact temperature measurement to 932°F (500°C) with 30:1 distance to target ratio Type K…

Specifications Barometric pressure from 8.85 to 32.45 inHg with a resolution of 0.01 inHg 300 to 1100 mbar with a resolution of 1 mbar Accuracy is ±0.2363 inHg (±8 mbar) at tested points Altitude range –2296 to 29520 ft (–700 to 9000 meters ) with a…

Consistent, reliable stirrer speed Digital display Glass ceramic top Conserves lab space Easy-to-use stirrers with digital displays indicate stir speed settings. Microprocessor-controlled feedback maintains consistent repeatable stir speed. Control automatically adjusts motor strength to…

Ideal for measuring inside diameter, outside diameter and depth Stainless steel or carbon fiber models Zero at any point Switch between inches and millimeters NIST traceable Thomas Traceable digital calipers take length/diameter measurements three ways: outside, inside and…

Large 3 3/16” x 2 1/2” dual display Recall min/max temperature and humidity readings Stand or wall mount Monitor can be used in labs, chemical storage areas, clean rooms, stock rooms, factories or outdoors. Unit can be used to monitor desiccators, incubators, refrigerators…

Large display Hold function Air current accuracy: ±3% Air current range: 0.4 to 30 meters/second; 80 to 5900 feet/minute; 1.4 to 108 km/hour; 0.8 to 58 knots, 0.9 to 68 miles/hours Temperature range: 10 to 50°C/14 to 122°F RS232 out Unit is ideal…

Fast, stable and accurate response Light Meter Lux 840006 Monitor light levels anywhere with fast, stable and accurate response. Results are easily read on t he extra large digits ( 7/8" high, 2 2mm) t hat also indicates w hen t he battery is low or the reading over range. The color and…

Ideal for multiple and simultaneous processes Two 1/100th second displays Counts up or down to 10 hours Available with NIST Traceable® certificate of compliance In stopwatch mode the current lap time is shown in the upper display, cumulative total in lower one. Memory stores last 8 lap times…

A and C decibel frequency scales Fast or slow response Calibration Certification available Easy calibration using internal oscillation system AC or DC output and peak function Display has a resolution of 0.1 dB and indicates low battery and over/under load. Has a foldout tripod stand and…

Quartz-crystal accuracy Large, 2 1/8" LCD digits NIST traceable Unit displays time in 12-hour AM/PM or 24-hour military time. Temperature can be displayed in °C or °F. Perpetual calendar shows month, date, day of week and automatically adjusts for leap year. Clock includes an individually…

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…

Pitot Tube measures Air Velocity/Airflow in difficult-to-reach or tight locations where a vane anemometer won't fit Simultaneous display of Pressure, Air Velocity or Air Flow plus Temperature ±0.7252psi range 5 selectable units of pressure measurement Max/Min/Avg recording and Relative time…

Single-action, time-out, cumulative split and continuous timing stopwatches Time to 24 hours Accuracy: 8 sec/day Resolution: 0.01 sec up to 30 min, 1 sec above 30 min Battery type: 1.5 V button cell Stopwatch is waterproof to three atmospheres. Stopwatches have a resolution of…

Large 3/4” display 24-hour capability Adjustable volume alarm Bright red, flashing light; can be used w/o sound to signal end of cycle Unique start/stop button for easy access Unit counts down in second increments. Loud alarm and flashing light command…

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…

Accuracy: 0.001% Resolution: 1 second Timing capacity: 9 hours Timing functions include single-action, time in/out, continuous timing, cumulative split, interval split, 60 memories and repetitive programmable. Stopwatch is 2 1/8” x 2 5/8” x 3/4” and weighs 2 ounces. Includes…

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…

For obtaining counts automatically as percentage Wide steel base plate for desk or benchtop mounting Color-coded buttons All counters and totalizers register to 999 Quickly and accurately obtain differential blood cell, bone marrow, chamber and other laboratory counts. Locking totalizers…

3-5/8 inch high big digits for visibility from 25 feet Radio signal from NIST’s Colorado atomic clock automatically sets correct date/time; calendar displays month/date and day Temperature range: 32 to 113°F (0 to 45°C); resolution: 0.1° Relative Humidity range: 20 to…

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.…

Measures Carbon Dioxide (C02) , Temperature, Humidity, Dew Point, and Wet Bulb Calculates statistical 8 hour and 15 minute time weighted averages Maintenance free NDIR (non-dispersive infrared) CO2 sensor Measurement ranges: CO2: 0 to 5,000ppm, Temperature: 14 to 140°F (-10 to 60°C) , Humidity:…

For rapid and accurate counting of multiple factors Wide steel base plate for desk or benchtop mounting Color-coded buttons All counters register to 999 Counters without totalizers offer inexpensive multiple counting