Part of the Additel ADT761A series, the ADT 761A-D provides differential and gauge measurement which covers the range of -13.5 to 35 psi (-0.95 to 2.5 bar). The ADT 761A-D comes with a CP35 module (-13.5 to 35 psi) and one low range module of your choice rangeing as low as ±10 inH2O (25 mbar). The ADT 761A-D also can be preconfigured with the modules that fit your need to give you the best precision at the pressures you perform calibrations.
The ADT161 pressure module is sold separately, Click the Accessories Tab to see the pressure modules