used to accurately verify the working flow of the metering pump.
Dimensions: 100ml, 200ml, 500ml, 1000ml, 2000ml, 5000ml, 10000ml, 15000ml, 20000ml
The material of the scale tube: PVC, plexiglass and quartz glass.
Dimensions: 100ml, 500ml, 1000ml, 1500ml, 2000ml, 4000ml
The material of the scale tube: PVC and plexiglass.