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Hanna Advanced Dissolved Oxygen Benchtop Meter with Polarographic DO Probe - HI6421P
Specifications
| Country of Origin | India |
|---|---|
| Temperature Accuracy | ±0.2°C / ±0.4°F / ±0.2K |
| Display | Large touchscreen |
| Power Supply | 100-240V AC to 24VDC 2.5A adapter |
| Dimensions | 205 x 160 x 77 mm |
| Temperature Resolution | 0.1°C / 0.1°F / 0.1K |
| Product Type | Dissolved Oxygen Benchtop Meter |
| Temperature range | −20.0 to 120.0 °C / −4.0 to 248.0 °F / 253.0 to 393.0 K |
| Calibration | Automatic (two points), User standard (single point) |
| Environment | 0–50°C / 32–122°F / 273–323 K; max 95% RH non-condensing |
| Temperature Compensation | Automatic or Manual |
| Logging Memory | Up to 1,000,000 data points per user; 50,000 max records per file |
| Model | HI6421P |
| Dissolved Oxygen Range | 0.00 to 90.00 mg/L (ppm), 0.0 to 600.0% saturation |
| Dissolved Oxygen Resolution | 0.01 mg/L (ppm), 0.1% saturation |
| Dissolved Oxygen Accuracy | ±1.5% of reading ±1 least significant digit |
| Weight | 1.2 Kg |
| Probe type | HI764833 Polarographic DO Probe |
| Data Export | .csv file via USB or network |
| Product Condition | New |
| MPN | HI6421P |
| Barometric Pressure Range | 450 to 850 mmHg; 600 to 1133 mBar; 60 to 133 kPa; 17 to 33 inHg; 8.7 to 16.4 psi; 0.592 to 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 |
Key Features
HI6421P Advanced Dissolved Oxygen Benchtop Meter with polarographic DO probe for laboratory and industrial water monitoring applications.
- Measures dissolved oxygen concentration using a polarographic probe.
- Wide measurement range from 0.00 to 90.00 mg/L (ppm) concentration and 0.0 to 600.0% saturation.
- Large touchscreen interface enables intuitive operation and quick data visualization.
- Features barometric pressure sensing, automatic and manual temperature compensation.
- Includes advanced connectivity options: RS232, USB-A, USB-C, Wi-Fi, and Ethernet for versatile data export and transfer.
- Automatic/calibration reminders with support for up to 9 users and one admin account.
- Extensive data logging: up to 1,000,000 data points per user and 50,000 maximum records per file.
- Supplied with integrated polarographic probe (HI764833) and robust housing for durability.
Product Description
The HI6421P is an advanced dissolved oxygen (DO) benchtop meter designed for laboratory and industrial water quality analysis. It features a high-accuracy polarographic oxygen probe (HI764833) and a large touchscreen display for effortless control, visualization, and data management.
- Measurement range: 0.00 to 90.00 mg/L (ppm) concentration and up to 600.0% DO saturation, suitable for both fresh and saltwater applications.
- Equipped with a barometric pressure sensor (450 to 850 mmHg range, ±3 mmHg accuracy) with multi-unit support and calibration reminders.
- Offers temperature compensation (automatic or manual), with high accuracy (±0.2°C), supporting a temperature range of −20.0 to 120.0°C.
- Multiple connectivity options—RS232, USB-A, USB-C, Ethernet, and Wi-Fi—allow integration into laboratory or industrial data management workflows.
- Logging capabilities include 1,000,000+ data points per user, export in .csv format, and sample identification for traceability.
- Supports up to 9 users along with an administrator, making it ideal for shared laboratory environments.
- Supplied with the HI764833 slim polarographic DO probe, which features an integrated thermistor temperature sensor for improved compensation accuracy and allows measurements in narrow test tubes and BOD bottles.
- Compact, robust design with a footprint of 205 x 160 x 77 mm and approximate weight of 1.2 kg, making it suitable for benchtop use in laboratories and on-site locations.
This instrument is ideal for laboratories, water treatment plants, aquaculture, and environmental monitoring, delivering high-precision DO measurement and reliable long-term data logging. Explore similar water quality meters and laboratory instruments in the EnvMart catalog.
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Frequently Asked Questions
The HI6421P measures dissolved oxygen concentration from 0.00 to 90.00 mg/L (ppm) and up to 600.0% saturation, making it suitable for both fresh and saltwater applications.
The polarographic probe measures dissolved oxygen levels by using an electrochemical reaction that occurs at the surface of the probe, providing accurate readings of oxygen concentration.
The HI6421P features multiple connectivity options including RS232, USB-A, USB-C, Ethernet, and Wi-Fi, allowing for versatile data export and integration into laboratory workflows.
Yes, the HI6421P offers both automatic and manual temperature compensation with high accuracy (±0.2°C) across a temperature range of −20.0 to 120.0°C.
The HI6421P supports up to 9 users along with one administrator account, making it ideal for shared laboratory environments.
The HI6421P can log over 1,000,000 data points per user, with a maximum of 50,000 records per file, allowing for extensive data management and traceability.
Yes, the HI6421P is supplied with the HI764833 polarographic probe, which includes an integrated thermistor temperature sensor for improved measurement accuracy.
The HI6421P has a compact footprint of 205 x 160 x 77 mm and weighs approximately 1.2 kg, making it suitable for benchtop use in laboratories and on-site locations.
The HI6421P is ideal for laboratories, water treatment plants, aquaculture, and environmental monitoring, providing high-precision dissolved oxygen measurement.
For more information or inquiries about the HI6421P, please reach out through our contact page or customer service hotline.
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