HANNA Digital Refractometer for Seawater measurements
The Hanna Instruments HI-96822 Digital Refractometer is a rugged, portable, water resistant device that utilises the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates.
(refractometer w/other suitable items)
Water Resistant – Can withstand temporary exposure to water, but should not be submerged or washed under running water.
Battery powered – Allows use away from a power source. Batteries are included with all battery operated products.
DESCRIPTION
The HI-96822 digital refractometer is a rugged, portable, water resistant device that utilises the measurement of the refractive index to determine the salinity of natural and artificial seawater, ocean water or brackish intermediates.
The HI-96822 digital refractometer eliminates the uncertainty associated with mechanical refractometers and is durable and compact enough to be used at home, in the lab and out in the field.
This digital refractometer is an optical device that is quick and easy to use. After a simple user calibration with distilled or deionised water, a seawater sample can be introduced into the sample well.
Within seconds, the refractive index and temperature are measured and converted into one of 3 popular measurement units: Practical Salinity Units (PSU), salinity in parts per thousand (ppt), or specific gravity (S.G. (20/20)). All conversion algorithms are based upon respected scientific publications using the physical properties of seawater (not sodium chloride).
The HI-96822 is lightweight, easy to use, cost-efficient, and is extremely accurate. With the ability to read in all the three of the most widely used salinity units (PSU, ppt, and specific gravity), it is the ideal instrument for any application.
Key features
- White water resistant casing
- Easy clean sample well
- Zero using pure water
- Battery operated with auto shut-off
Main benefits
- 1.5 second measurement time
- Direct readout
- Automatic temperature compensation
- No calibration solutions required
- Large clear LCD display
Order Information
HI 96822 is supplied with battery and instruction manual.
Specifications
Range – PSU 0 to 50Range – ppt 0 to 150Range – Specific Gravity (20/20) 1.000 to 1.114Range – Temperature 0 to 80°C (32 to 176°F)
Resolution – PSU 1Resolution – ppt 1Resolution – Specific Gravity (20/20) 0.001Resolution – Temperature ±0.1°C (0.1°F)
Accuracy (@20°C) – PSU ±2Accuracy (@20°C) – ppt ±2Accuracy (@20°C) – Specific Gravity (20/20) ±0.002Accuracy (@20°C) – Temperature ±0.3°C (0.5°F)
Temperature Compensation Automatic between 10 and 40°C (50 to 104°F)
Measurement Time Approximately 1.5 seconds
Minimum Sample Volume 100 μL (to cover prism totally)
Light Source Yellow LEDSample Cell Stainless steel ring and flint glass prismAuto-off After 3 minutes of non-useEnclosure Rating
IP 65
Battery Type / Battery Life 9V / Approx 5000 readings
Dimensions / Weight 192 x 102 x 67 mm (7.6 x 4 x 2.6”) / 420 g
