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…

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…

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…

Color correction filter Unit recalls highest, lowest and average readings Analog output for strip and chart recorders (0.1 millivolts per digit) Accuracy is ±(5% plus 2 digits) Ranges in Lux are 0 to 1999 (1 Lux resolution), 2000 to 19,900 (10 Lux resolution) and 20,000 to…

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.…

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…

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)…

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…

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…

Ideal for bench use LCD designed for viewing at any angle NIST Traceable® certificate supplied Easy to operate Extra-large keys Accurate to 0.01% Timer counts down from 24 hours to 1 second in second increments. Special memory allows programming an instant replay repeat time, which appears…

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…

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).…

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…

Highest 2% RH Accuracy Less than 30 second RH response time Dual backlit display Simultaneous display of: Humidity/Temperature, Humidity/Dew Point, Humidity/Wet Bulb Slim design with rubberized sides for better grip and for one hand operation • Data Hold and Min/Max functions Auto power…

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:…

Air velocity ranges /resolution (see chart below for details) Accuracy is ±(1% full scale plus 1 digit) Temperature accuracy is ±0.8°C or 1.5°F Probe expands from 9 1/2 inches to 3 feet in length Features include minimum/maximum memory, data hold and Serial…

Automatically switch equipment on or off up to 14 times a day Get accurate, reliable measurements with included NIST-traceable calibration Provides daily and weekly on/off control. Plug into any three-prong outlet. Minimum switching interval is one minute; maximum is 168 minutes.…

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…

Display 7/8" x 3/8" to 00.00 Press “min” and “set” together to reset Press “start/stop” to start and again to stop Press any key to stop alarm “Recall” feature returns automatically to preset time Displays up to 99 minutes…

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…

Lightweight and disposable Sound confirmation every time a button is pressed NIST Traceable® Certificate supplied Accurate to 0.1% Ideal for easy-duty, occasional-use needs where high precision is not a requirement. Can be worn around the neck with the (included) 38” lanyard. Times to 24 hours…

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…

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…

DC/AC Current True RMS Type K thermometer DC Zero Clamp-on multimeter with built-in non-contact InfraRed Thermometer Infared thermometer and rugged double molded housing Non-contact InfraRed Temperature measurements with laser pointer Peak hold captures inrush currents and Transients

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…

Dual Laser Targeting Choose from 12" or 30" distance model where two laser points converge to 1" target spot White backlit dual LCD display Fast 0.15 second response time with Max display Adjustable emissivity increases measurement accuracy for different surface Adjustable…

3 channels, plus memory Resolution is 1 second Accuracy is 0.01% Timing capacity: 99 hours, 59 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…

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…

Compact size Convenient portable size with wide temperature range measuring up to 1200°F (650°C) Adjustable High/Low setpoints with audible alarm alerts user when temperature exceeds the programmed setpoints Adjustable emissivity for better accuracy on different surfaces Built-in laser pointer…

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…

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…

Lightweight and compact Wide measurement ranges Easy to operate Enviro Meter is four tools in one small and easy transportable hand-held unit. Anemometer, humidity meter, light meter and two thermometers all feature exceptional accuracy and reliability. Unit features a bright LCD…