Dwyer 475-000-FM Manometer 1-inch WC Intrinsically Safe FM Approved

• Dwyer 475-000-FM Manometer 1-inch WC Intrinsically Safe FM Approved
• Positive, negative, and differential pressure measurements
• Measures differential pressure of natural gases and air from 0 to 1.000 in w.c.
• Measures air velocity when used with a pitot tube (not included)
• Durable aluminum housing protects the instrument in harsh environments
• Switch between English and metric units
• Field replaceable metal tips
• Auto 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.