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  • Thomas Traceable Conductivity Calibration Standards

    Thomas®

    Sixteen ounces of liquid for frequent calibration needs Highest accuracy available Units labeled (micromhos/millisiemens, ohms, parts per million/TDS) Includes step-by-step calibration instructions and temperature chart 100% compatible with all makes of equipment …

  • Thomas One-Shot Traceable Conductivity Standards

    Thomas®

    Traceable to NIST standards Accuracy: ±0.25% 100% compatible with all makes of equipment For use in the lab and the field Single-use standards eliminate concerns about external container contamination. Each container is labeled for calibrating conductivity…

  • Tachometer Laser

    Thomas®

    Touchless handheld point-and-shoot tachometer targets a rotating object and provides instant precision results. Optical no-contact measurements are made by placing a piece of reflective tape on the rotating object. Red LED light locks on the self-adhesive reflective tape (24” supplied)…

  • Conductivity Meter

    Thomas®

    Traceable® Pens for Conductivity, Dissolved Solids, and Salinity provides for conductivity, conductivity/total dissolved solids and salinity. Meters fulfill requirements for CAP, ASTM, NCCLS, CLSI, ACS, CLIA, AOAC, EPA, APHA, AWWA, WEF, USGS, USP, ISO and Federal/State regulations. Waterproof unit…

  • Thomas Traceable® Manometer/Pressure/Vacuum Gauge

    Thomas®

    Manometer displays gauge and differential pressure/vacuum in eleven different units. Response time is 0.5 second. Simple hose fittings on the unit permit using hose/tubing with inside diameters from 1/16 to 3/16”. Large 5/8-inch-high digits are visible from six feet. At the touch of a…

  • Thomas Traceable Bench/Portable Conductivity Meter

    Thomas®

    Provides accurate results on demand Four programmable custom calibration points Automatic and manual temperature compensation Automatically changes ranges Meter measures micromhos (microsiemens), megohms, dissolved solids, condentration and salinity with recorder output. K…

  • Conductivity / TDS Meter

    Thomas®

    Traceable® Pens for Conductivity, Dissolved Solids, and Salinity provides for conductivity, conductivity/total dissolved solids and salinity. Meters fulfill requirements for CAP, ASTM, NCCLS, CLSI, ACS, CLIA, AOAC, EPA, APHA, AWWA, WEF, USGS, USP, ISO and Federal/State regulations. Waterproof unit…

  • Traceable® Light Meter Pen

    Thomas®

    Traceable® Light Meter Pen reads from 0 to 1,860 foot-candles with a resolution of 0.1, and from 0 to 20,000 Lux with a resolution of 1. Accuracy is ±5% of reading plus 5. Its simple operation eliminates the need to refer to directions while being designed for intuitive, easy operation by…

  • Traceable® Dual-Display Light Meter

    Thomas®

    Dual displays show lux or foot-candles, or percent differential from a reference point, and the selected light source (daylight, tungsten, fluorescent, or mercury). Traceable® light meter has computer output that allows it to be connected to a computer or data logger for monitoring and keeping…

  • Thomas Traceable® Dual Range Light Meter

    Thomas®

    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 50,000 (100 Lux…

  • Traceable® PH/ORP Meter

    Thomas®

    Compact instrument fits in the palm of your hand Accuracy: ±0.02 pH 25 point memory storage with time/date stamp Waterproof (IP67) Triple Display shows pH or ORP measurement, temperature and time\date Ideal for wastewater, water quality and environmental applications …

  • Traceable® Salinity Meter

    Thomas®

    Traceable® pens for conductivity, dissolved solids, and salinity provides for conductivity, conductivity/total dissolved solids and salinity. Meters fulfill requirements for CAP, ASTM, NCCLS, CLSI, ACS, CLIA, AOAC, EPA, APHA, AWWA, WEF, USGS, USP, ISO and Federal/State regulations. Waterproof unit…

  • Conduct Probe Storage Soln16OZ

    Thomas®

    Redi-Stor™ is the ideal solution for storing conductivity probes. It preserves probe’s cleanliness, eliminates growths found when storing in water only, and maintains the probe for immediate use with no conditioning.

  • Thomas Traceable® Touch Tachometer

    Thomas®

    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). Resolution for…

  • Thomas Traceable® Sound Level Meter

    Thomas®

    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…

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