美國DWYER 手持式數位壓差/壓力計

型號 : 475

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*壓力範圍:  
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The Series 475 Intrinsically Safe Handheld Digital Manometer measures positive,
negative, or differential pressures of air and natural gases in ranges from 1 in w.c.
(0.249 kPa) to 150 psid (10.34 bar). The dual push pads on the front panel control the
on/off, auto zero, and pressure unit selection, allowing for simple operation with no set
up needed. When used with a Dwyer
® Pitot tube (u), the Series 475 can also be used
as an air velocity gage.

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• Rugged aluminum case protects instrument from damage during transport/use
• Large, easy to read LCD and simple operation
• FM approved to be intrinsically safe in hazardous locations, Class 1, Div 2, Groups
A, B, C, D, T4 Ta = 70°C