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 fill-in and submit the ‘Contact Us’ form below and request this item and quantity and include your shipping address. A final quote will be sent to you.