For calibration equipment Pressure & Temperature.

Pressure Test Pumps
Calibration Pressure Test Pumps (manually operated)

Digital Handheld Manometer   
Reference instruments to measure small pressure, vacuum, differential pressure

Electronic Pressure Calibrator
Reference Pressure Instruments, e.g. documenting process calibrator

Pressure Controller
Pressure Controller for small Pressure and Vacuum

Deadweight Tester / Pressure Balances
Primary pressure standard (incl. pressure source, manually operated)