PRESSURE PUMPS TP1 High - accuracy portable combined vacuum and pressure pump, overpressure protection, discharge valve, fine pressure adjustment, range -0.8 ... 25 bar, which can be coupled to any type of calibrator, delivered in transport bag with adaptor kit. HTP1 High - accuracy portable hydraulic pressure pump, overpressure protection, discharge valve, fine pressure adjustment, range 0 ... 700 bar (1000 bar optional), which can be coupled to any type of calibrator, delivered in transport bag, with 700 bar (1000 bar optional) pressure hose. LTP1 High - accuracy portable combined vacuum and pressure pump, overpressure protection, discharge valve, fine pressure adjustment, range -0.8 ... 2 bar, which can be coupled to any type of calibrator, delivered in transport bag with adaptor kit. PVC 4740 Fixed pump with checking by comparison, 2 pressure ports, range 0 ... 700 bar, desk - mounting system.