Manual | February 5, 2013
HQ440d, HQ430d, And HQ411d Meters User Manual
Source: Hach CompanyThe HQd series laboratory meters are used with digital IntelliCAL™ probes to measure various parameters in water. The meter automatically recognizes the type of probe that is connected to the meter. Measurement data can be stored and transferred to a printer, PC or USB storage device.
