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TSI 4146 Air Flow Calibrator


Orderable Items The TSI 4146 Calibrator provides accurate primary volumetric airflow calibration for sampling pumps and any other air sampling instrument that draws an active air sample. With a flow measurement range of 0.01 to 20 L/min, this small, portable, and battery operated airflow calibrator continuously displays volumetric flow rate for pump airflow adjustment in real time. Accuracy is +- 2% of reading.



 
  • Provides continuous real-time volumetric flow rate readings for fast, easy pump adjustment and calibration


  • Battery powered, compact, and lightweight


  • Field portable – use the same primary calibrator for adjustment, calibration, and periodic checks


  • NIST-traceable calibration certificate supplied


  • Complete ready-to-use kit


 

 

 

 

 


 
The TSI 4146 primary calibrator is ideal for providing accurate primary volumetric airflow calibration for sampling pumps and any other air sampling instruments used in the following applications:
  • Industrial hygiene sampling


  • Environmental sampling


  • Indoor air quality


  • Epidemiology health studies


  • Field services


 

 

 

 

 


 
Flow Measurement Range* 0.01 to 20 L/min
Volumetric Accuracy* ±2% of reading or 0.005 std. L/min, whichever is greater
Instrument Temperature Range Operation, ambient: 32 to 122 F (0 to 50 C)
Storage, ambient: -4 to 140 F (-20 to 60 C)
Case Material Polycarbonate
Inlet/Outlet 0.375-inch OD, straight
Warmup Time 1 minute
Dimensions 5 x 2 x 1.25 in (12.7 x 5 x 3.2 cm)
Weight 1.7 lbs (0.8 kg)
Power Six AA-size alkaline batteries, 7.5 VDC (+-1.5 V), 300 mA maximum

* Volumetric flow rate is calculated from mass flow measurement. Add an additional 0.25% of reading to the flow accuracy to account for uncertainty in measuring air temperature and pressure.
Accuracy stated at standard conditions of 69.98 F (21.1 C) temperature, 759.8 mm Hg (101.3 kPa) atmospheric pressure, and < 10% RH, with air temperature and flow body temperature within +-10 C of one another. Includes +-0.5% of reading repeatability. Specifications subject to change without notice.

 

 

 


 
TSI 4146 Air Flow Calibrator with callouts