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The Series 476A Single Pressure Differential Pressure Digital Manometer can be
used to measure low pressures from -20 to 20 in w.c. with ±1.5% FS accuracy.
The Series 478A Single Pressure Differential Pressure Digital Manometer can
be used to measure positive, negative, or differential pressures with ±1.5% full-scale
accuracy. Both units are constructed of an extruded aluminum case for exceptional
durability.
NIST CALIBRATION available in Product Configurator.