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
Features:- +-0.5% full-scale accuracy
- Rugged extruded aluminum housing
- One button auto-zero function
- Auto power off function to conserve battery life
- Instant selection of up to nine English/metric units