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The CEL-620B  features all the same features as the CEL-620A but with the additional function of Octave Band Analysis. Choose either a Class 1 or Class 2 Microphone for precision, the CEL-620B model is used to carry out occupational noise assessments or machinery noise tests...

Ideal for area sampling for airborne contaminants including Asbestos and other hazardous materials. The Vortex3 is the latest generation of static, high flow rate sampling pumps with flows up to 12L/min. The enhanced Vortex3 air sampling pump can sample 480L in just 40 minutes!

The Flow Detective™ Plus is an easy to use all-in-one airflow calibrator, building on the standard model, the Flow Detective™ Plus offers a flow range from 20mL to 5L/min advanced functionality like Bluetooth connectivity and a Closed loop, wireless calibration with Apex2 pumps. 

Casella's dBadge2 is compact, wearable device used to monitor personal noise exposure. The ‘plus’ model provides all the features of the standard, with the addition of audio recording. Audio recording can be used to record audio notes, optionally to record the audio above...

Professional calibration for the legacy TSI Alnor Balometer Capture Hood EBT721, delivering verified accuracy and confidence in airflow measurements.

QualityGuard 3-year prepaid calibration contract for the TSI VelociCalc Multi-Function Ventilation Meter 9545 and included telescopic straight thermoanemometer probe, Provides scheduled calibrations, predictable service costs, and ongoing measurement confidence.

Professional repair and calibration for the TSI Model 985 VOC probe, restoring performance and delivering verified accuracy and confidence in VOC and temperature measurements.

TSI mass flow meters, Certifier® flow analyzers, and mass flow sensors for gases are used worldwide in laboratory and manufacturing settings, plus embedded applications.