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Biosystems
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Bios DryCal Flow CalibratorsBios International's DryCal, Defender, Definer and Met Lab free-piston flow calibrators are recognized world-wide and are known for accuracy and unequalled ease of use. Casella Noise Dosimeters Casella is well known internationally for their noise and sound instruments, Apex and Tuff personal air sampling pumps, real-time WBGT heat stress monitor, real-time dust monitor, Nomad weather stations and PID VOC monitor. Casella developed the first reliable all-in-one miniaturized noise dosimeter suitable for use in harsh industrial environments. TSITSI Indoor AIr Quality and HVAC instruments are widely recognized for their durability and functionality at an attractive price point. Advanced Calibration Devices (ACD)On location generation of H2, H2S, Cl2, ClO2 and HCN calibration and bump gases at ppm levels. Small, lightweight handheld instruments. Visit our Blog | TestoPocket Pro HVAC Instruments Testo is an internationally recognized producer of Pocket Pro HVAC instruments, multi-function meters, digital manometers, IAQ monitors, IR imaging systems / cameras, IR thermometers, T/C and NTC / thermistor thermometers, thermohygrometers, borescopes, video borescopes, tachometers,stroboscopes,anemometers, pH meters, moisture meters, gas detectors, combustion analyzers and data logging systems. Sper ScientificDigital Manometers Sper Scientific has a wide range of instruments for the HVAC balancing, industrial hygiene and safety monitoring, laboratory and manufacturing operations. DwyerIntrinsically Safe Digital Manometers Dwyer is a recognized manufacturer of monitoring and control instruments. The 477-FM line of Intrinsically Safe instruments covers the pressure range from 0 - 1"H2O to 0 - 200 PSI with eleven models. All have ±0.5% F. S. accuracy at room temperature with less than ±0.1% F. S. pressure hysteresis.
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