Dwyer 475-00-FM Manometer 4 inch WC Intrinsically Safe

• Dwyer 475-00-FM Manometer 4 inch WC Intrinsically Safe
• Measures positive, negative, and differential pressure
• Measures differential pressure of air and natural gases from 0 to 4.000 in w.c.
• Works as an air velocity gauge when used with a pitot tube (not included)
• Tough aluminum housing to protect the instrument in harsh work environments
• English and metric units
• Metal tips are field replaceable
• Automatic zero
• Intrinsically safe to use in hazardous locations (Class 1, Div 2, Groups A, B, C, D, T4 Ta = 70°C)
• *Upgradeable to air velocity kit and/or NIST certificate

Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.