478A-0

478A-0 is a digital manometer ideal for field or laboratory use. It measures low pressure from -20 to 20in w.c. with ±1.5% full scale accuracy. The rugged, handheld unit is constructed with an extruded aluminium case for exceptional durability. The Series 478A manometer can be used to measure positive, negative, or differential pressures. The unit features selectable units, auto zero, hold and a min/max function. Press the hold key to freeze the current pressure measurement on the display. The 478A manometer includes a zeroing button to null out any minor pressure differences.

• Resolution of 0.01in w.c.
• Pressure limits of 5psig (.74bar)
• Temperature limit range from 0 to 140°F (-17.8 to 60°C)
• 4 digit LCD (.425˝H x .234˝W digits) display
• For use with 3/16˝ or 1/4˝ ID tubing process connection
• Powered by 9V alkaline battery, installed non-functional, user replaceable
• Auto power off
• instant selection from up to eight English/metric units