Airflow Calibration Orifice Plate (with NIST Traceable Certificate)

Meets ASTM E283 requirements Standard Set:  1.000'', 1.500'', and 2.000'' orifices Extended Set:  0.250", 0.500" and 2.500" orifices NIST Traceable Calibration Certificate for each plate (dimensional) 304 Stainless Steel 1/8'' Thick - Sharp Edge Orifice Plate sets include quick change holder.  Holder simplifies switching between plates when calibrating airflow systems using ASTM E283 calibration chamber. Plates can be purchased separately (each plate includes NIST certificate) Contact ATS to order custom orifice sizes Not available for online purchase. Please follow the ‘Contact Us’ link below and request this item & quantity and include your shipping address.  A final quote will be sent to you.   ‘Contact Us’ Form