HACH HQ40d Portable Multi-Parameter Water Quality Meter
Professional-grade portable meter with IP67 waterproof rating and capacity for 100,000 data readings, designed for comprehensive water quality analysis in field and laboratory environments.
Key Features
- Dual-channel operation for simultaneous measurement of two parameters
- IP67 waterproof protection (submersible to 1 meter for 30 minutes)
- Automatic probe recognition with IntelliCAL™ digital intelligent probes
- Large backlit LCD display with easy-to-read characters
- 1000 data set memory with GLP compliance
- Rugged field housing built for demanding environments
Technical Specifications
Measurement Parameters
| pH Range | -2.000 to 16.000 pH |
| ORP/mV Range | -1500.0 to +1500.0 mV |
| Conductivity Range | 0.000 µS/cm to 2000 mS/cm |
| Dissolved Oxygen | 0.00 to 50.00 mg/L, 0.0 to 500% saturation |
| Temperature Range | -10.0 to 110.0 °C |
Display & Data Management
| Display Type | Backlit LCD, 240x160 pixels |
| Data Memory | 1000 data sets |
| GLP Compliance | Yes (date, time, sample ID, operator ID, probe SN) |
| Communication | USB device & host port for PC, flash drive, or printer |
Calibration & Operation
| Calibration Type | Guided calibration with automatic probe recognition |
| pH Calibration | 1 to 5 points with auto buffer recognition |
| Conductivity Calibration | Automatic standard recognition |
| DO Calibration | 1 or 2 points (0% & 100%) |
| Operating Modes | Continuous, Auto-Stabilize, Timed Interval |
Physical & Environmental
| Protection Rating | IP67 waterproof |
| Dimensions | Approx. 200 x 90 x 50 mm |
| Weight | Approx. 450 g (with batteries) |
| Operating Temperature | 0 to 60 °C |
| Humidity | Up to 90% RH non-condensing |
| Warranty | 36-month warranty |
Power Supply
4 x AA batteries (up to 200 hours operation), universal 100-240V AC adapter, USB bus power supported
Included Accessories
HQ40d Meter, 4 AA Batteries, AC Adapter, USB Cable, Quick Start Guide, User Manual
Applications
Field testing, environmental monitoring, wastewater analysis, drinking water, surface water, industrial process water