The HQ40d Digital Multi-Parameter Meter offers true Plug and Play operation with IntelliCAL pH, conductivity, and dissolved oxygen (LDO) probes. Plug in any two IntelliCAL probes and get simultaneous measurement, simultaneous readout! "Smart" meters store probe serial numbers, calibration history, user ID, time, date and location of readings.

All data (up to 500 data points) can be accessed using a simple menu-driven interface with intuitive icons. Transfer GLP/ISO data effortlessly to a PC or USB flash stick.

We can provide probes for Conductivity, DO, and/or pH.

HQd Digital Meters and IntelliCAL Probes Specification Sheet | HQ Series Manual

• Turbidity range: 0 to 1000 NTU
• Selectable signal averaging mode compensates for fluctuations in readings caused by movement of large particles in the light path
• Pre-programmed calibration procedure, with microprocessor-controlled adjustment of calibration curve. No potentiometers to adjust
• Electronic zeroing: compensates for electronic and optical offsets. No manual adjustments are required
• Direct digital readout in NTU
• Meets or exceeds USEPA method 180.1 criteria
• Comes with six sample cells, 4 sealed vials of StablCal Primary Turbidity Standards (<0.1, 20, 100, and 800 NTU), Secondary Gelex Turbidity Standards, silicone oil and oiling cloth
• Two-year warranty

Specification Sheet | Manual