The Flow Simulation and Experimental Study of a Large Low-Head Mixed-Flow Pumping System

Table 1

Main parameters of test bed.

Terms	Equipment	Type	Range	Calibration accuracy
Lifting head	Differential pressure transmitter	EJA110A	0~200 kPa	±0.113%
Flow rate	Electromagnetic flow meter	E-magDN400	100~500 L/s	±0.197%
Torque and speed	Torque speed sensor	ZJ	0~200 N·m	±0.108%
			0~3000 r/min
	Digital torque and speed routing indicator	TS-3100B		±0.0203%
NPSH	Pressure transmitter	EJA310	0~130 kPa	±0.270%