I need offer for ph meter

Please send us your best price for one device of compression engine piston tester (petrol and diesel)

Our client ​is a paper manufacturer and ​asks us to supply Roughness and air permeance tester for paper quality, They need one instrument have the following technical details : A clear and suite LCD . Air flow rate : 10 : 5000 ml/min Pressure difference adjusting : 0.74 KPa , 1.76 KPa , 2.2 KPa Pressure : 600 - 700 KPa .

I am looking to trade in eater filters, so I am looking to get quotation for all devices that measure the water contaminates/purity like orp, ph and tds so if there are other related i need to know about.. also i am looking for the water flow rate gage