Hanna HI96822 Digital Seawater Refractometer
| Brand | |
|---|---|
| Model | HI-96822 |
| Application | Natural and artificial seawater; brackish intermediates |
| Salinity range | 0–150 ppt |
| Practical salinity range | 0–50 PSU |
| Specific gravity range | 1.000–1.114, SG 20/20 |
| Salinity resolution | 1 ppt; 1 PSU |
| Specific gravity resolution | 0.001 |
| Automatic temperature compensation | 10–40°C |
| Minimum sample volume | 100 µL; prism fully covered |
| Enclosure | IP65 |
| Manufacturer weight | 420 g |
The HI96822 measures refractive index and temperature, then converts the result using the properties of natural or artificial seawater. It displays salinity in ppt, practical salinity units and specific gravity, helping marine keepers use a consistent reporting scale.
Supplier dispatch: Supplied directly by Hanna Instruments. Supplier stock was shown as available at our latest check.
£387.94 (inc VAT)
Hanna HI96822 Digital Seawater Refractometer
Seawater salinity, PSU and specific gravity on a digital display
The HI96822 measures refractive index and temperature, then converts the result using the properties of natural or artificial seawater. It displays salinity in ppt, practical salinity units and specific gravity, helping marine keepers use a consistent reporting scale.
Choosing the right measurement
This is a seawater refractometer, not a Brix sugar instrument or a sodium-chloride-only pond salt meter. A conductivity salinity tester such as the HI98319 measures by a different principle. Choose the appropriate instrument and conversion scale rather than treating all salinity readings as interchangeable.
Technical overview
| Specification | Details |
|---|---|
| Application | Natural and artificial seawater; brackish intermediates |
| Salinity range | 0–150 ppt |
| Practical salinity range | 0–50 PSU |
| Specific gravity range | 1.000–1.114, SG 20/20 |
| Salinity resolution | 1 ppt; 1 PSU |
| Specific gravity resolution | 0.001 |
| Automatic temperature compensation | 10–40°C |
| Minimum sample volume | 100 µL; prism fully covered |
| Enclosure | IP65 |
| Manufacturer weight | 420 g |
What is included
- HI96822 refractometer
- Battery
- Instruction manual
Reagents and optional accessories
Use distilled or deionised water for the manufacturer’s zeroing procedure. A pH buffer or a Brix refractometer standard is not an interchangeable salinity calibration accessory.
Care and reliable results
Zero the instrument with distilled or deionised water as instructed, cover the prism fully with the sample and clean the sample well afterwards. Temperature display range and automatic compensation range are different specifications; allow the sample to settle within the method’s conditions before recording a result.
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