$324.30
$314.57
Tax included
Previous
Next
Share
Free Delivery in India | Lowest Global Shipping Charges
24/7 Customer Support
Shop with confidence knowing that our 24/7 Customer Support is always available to assist with any inquiries
Save up to 28% with GST Input
Avail maximum benefits from input tax mechanism on all your Business Invoices. Get GST Invoices on your business purchases. And 0% Taxes on all worldwide deliveries
# Lowest Price Challenge
If you find this product anywhere at lower cost than us. Call us and we will not only match the price but also give a complimentary coupon
100% Original Products
Shop with assurance, as each product we offer is 100% original, ensuring quality and authenticity with every purchase
Hanna Advanced Dissolved Oxygen Benchtop Meter with Optical DO Probe (opdo®) - HI6421
Specifications
| Country of Origin | India |
|---|---|
| Package Contents | Instrument with HI7641133 optical DO probe, manual, and DC adapter |
| Temperature Accuracy | ±0.2 °C / ±0.4 °F / ±0.2 K |
| Brand | Hanna |
| Power Supply | DC adapter 100–240 AC to 24VDC, 2.5A |
| Dimensions | 205 × 160 × 77 mm |
| Temperature Resolution | 0.1 °C / 0.1 °F / 0.1 K |
| Temperature range | -20.0 – 120.0 °C / -4.0 – 248.0 °F / 253.0 – 393.0 K |
| Model | HI6421 |
| Salinity Compensation | Automatic from 0 to 70 PSU / 0.0 to 70.0 % / 0.0 to 45.0 g/L / 0.0 to 42.0 psu (manual set) |
| Dissolved Oxygen Range | 0.00–90.00 mg/L (ppm) concentration / 0.0–500.0 % saturation |
| Dissolved Oxygen Resolution | 0.01 mg/L (ppm) / 0.1 % saturation |
| Dissolved Oxygen Accuracy | From 0.00 to 20.00 mg/L (ppm): 1.5% of reading or ±0.01 mg/L, whichever is greater. From 20.00 to 50.00 mg/L (ppm): ±5% of reading. From 0.0 to 200.0% saturation: 1.5% of reading or ±0.1%, whichever is greater. From 200.0 to 500.0%: ±5% of reading. |
| Weight | 1.2 Kg |
| Operating environment | 0–50 °C, max 95% RH, non-condensing |
| DO Calibration Points | One or two points automatic (100% and 0%) or single-point manual |
| Product Condition | New |
| MPN | HI6421 |
| Barometric Pressure Range | 450–850 mmHg / 600–1133 mBar / 60–133 kPa / 17–33 inHg / 8.7–16.4 psi / 0.592–1.118 atm |
| Barometric Pressure Accuracy | ±3 mmHg within ±15 % from calibration point / ±3 mmHg ±1 least significant digit |
| Barometric Pressure Resolution | 1 mmHg / 1 mBar / 1 kPa / 1 inHg / 0.1 psi / 0.001 atm |
| DO Calibration Standards | 0 and 100% saturation |
| Data Logging Capacity | Up to 1,000,000 data points per user, maximum 50,000 records per file |
Key Features
Hanna HI6421 Advanced Dissolved Oxygen Benchtop Meter with Optical DO Probe is a high-precision benchtop instrument for lab-based dissolved oxygen analyses, supporting both fresh and saltwater samples.
- Supplied with an optical dissolved oxygen probe (opdo®) for accurate, maintenance-free DO measurement.
- High-resolution touchscreen display enables real-time graph and data review with pinch-to-zoom technology.
- Wide dissolved oxygen measurement range of 0.00 to 90.00 mg/L (0 to 500% saturation).
- Automatic or manual temperature compensation, salinity compensation, and barometric pressure calibration ensure reliable results.
- Flexible connectivity with RS232, USB-A, USB-C, Wi-Fi, and Ethernet for data export and PC integration.
- Automatic and manual calibration options with programmable reminders enhance data traceability (GLP-compliant).
- Supports up to 1,000,000 data points with .CSV export and advanced logging features for up to 9 users.
- Robust construction, operating in 0–50 °C environments with IP protection, ideal for laboratory use.
Product Description
Hanna HI6421 Advanced Dissolved Oxygen Benchtop Meter with Optical DO Probe is designed for high-accuracy laboratory dissolved oxygen measurement in research, environmental, and industrial applications. This benchtop meter features a large, intuitive touchscreen for advanced data visualization and GLP-compliant calibration management.
The HI6421 model, equipped with the HI7641133 optical DO probe (opdo®), uses fluorescence quenching technology for precise and stable DO readings. It covers a range from 0.00 to 90.00 mg/L (0 to 500% saturation) and performs both fresh and saltwater analysis with automatic salinity and temperature compensation. The instrument supports barometric pressure monitoring (450–850 mmHg) and flexible calibration strategies, including single/two-point automatic, programmable reminders, and calibration traceability details.
Data connectivity is exceptional, featuring RS232, USB-A (2 ports), USB-C, plus Wi-Fi and Ethernet for log transfer, downloads, and email. It logs up to 1,000,000 data points per user, with export in .CSV format, and supports up to 9 users and an admin account. Logging can be customized by interval or event type. The automatic interval ranges from 1 second to 180 minutes.
- Optical DO probe (opdo®) with maintenance-free operation.
- Automatic and manual temperature/salinity/barometric pressure compensation.
- DO range: 0.00–90.00 mg/L (0–500% saturation) with high resolution and accuracy.
- Large touchscreen display for easy navigation, graphical data display, and zooming functions.
- GLP-compliant record keeping, calibration management, and high capacity memory.
- Multi-interface data management: RS232, USB-A, USB-C, Wi-Fi, and Ethernet.
- Robust benchtop housing, suitable for 0–50 °C (up to 95% RH non-condensing).
- Power supply: 100–240V AC to 24VDC adapter.
Common industrial and laboratory use cases include water quality monitoring, aquaculture control, wastewater analysis, and environmental research. The HI6421's user capacity and GLP features make it suitable for regulated labs, academic research, and quality assurance.
Discover related categories and browse more from Hanna and other lab instrument specialists on EnvMart.
Frequently Asked Questions
The Hanna HI6421 measures dissolved oxygen levels from 0.00 to 90.00 mg/L, which corresponds to 0 to 500% saturation.
Yes, the optical DO probe (opdo®) included with the HI6421 is designed for maintenance-free operation, providing accurate readings without the need for frequent calibration.
Yes, the HI6421 is suitable for both fresh and saltwater analyses, making it versatile for various laboratory applications.
The HI6421 features multiple connectivity options including RS232, USB-A, USB-C, Wi-Fi, and Ethernet for easy data export and PC integration.
The HI6421 can log up to 1,000,000 data points, allowing for extensive data collection and analysis.
The HI6421 operates effectively in environments ranging from 0 to 50 °C, making it suitable for various laboratory conditions.
Yes, the HI6421 supports GLP-compliant calibration management, including automatic and manual calibration options with programmable reminders.
The large touchscreen display allows for easy navigation, real-time graphing, and pinch-to-zoom functionality for detailed data review.
The HI6421 requires a power supply of 100–240V AC to 24VDC adapter, ensuring compatibility with various electrical systems.
The HI6421 is ideal for applications such as water quality monitoring, aquaculture control, wastewater analysis, and environmental research.
Related Products
$880.73
$880.11
-0.07%
Other Products from this brand
$254.17
$246.54
-3%
New
$282.54
$274.07
-3%
New
$324.30
$314.57
Save 3%
Tax included
Quantity
- Genuine Products
- Global Shipping
- Secured Payments
Comments (0)
Your review appreciation cannot be sent
Report comment
Report sent
Your report cannot be sent