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HANNA HI96822 Digital Refractometer for Seawater Analysis
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HANNA HI96822 Digital Refractometer for Seawater Analysis

The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The HI96822 displays results in three popular measurement units: Practical Salinity Units (PSU), salinity in parts per thousands (ppt) and specific gravity (S.G. (20/20)). The instrument’s high accuracy and simple operation gives reliable results each and every time. All readings are automatically compensated for temperature variations and displayed within a 1.5 second response time. The sealed flint glass prism and stainless steel well are easy to clean. Just wipe with a soft cloth in preparation for the next sample.

Features at-a-glance:

One-point calibration

·         Calibrate with distilled or deionized water

Small sample size

·         Sample size can be as small as 2 metric drops (100 μl)

Automatic Temperature Compensation (ATC)

·         Samples automatically compensated for temperature variations

Quick, accurate results

·         Readings are displayed in approximately 1.5 seconds

Dual-level LCD

·         The dual-level LCD displays measurement and temperature readings simultaneously

Stainless steel sample well

·         Easy to clean and corrosion-resistant

Battery indicators

·         Battery percent level remaining at startup and low battery indicator

Automatic shut-off

·         To conserve battery life the meter shuts off automatically after three minutes of non-use

IP65 water resistant protection

·         Water resistant ABS plastic casing designed to perform under laboratory and field conditions.



Salinity (PSU) Range

0 to 50 PSU

Salinity (PSU) Resolution


Salinity (PSU) Accuracy

±2 PSU

Salinity Range

0 to 150 ppt

Salinity Resolution (ppt)

1 ppt

Salinity Accuracy (ppt)

±2 ppt

Specific Gravity Range

1.000 to 1.114 Specific Gravity (20/20)

Specific Gravity Resolution

0.001 Specific Gravity (20/20)

Specific Gravity Accuracy

±0.002 Specific Gravity (20/20)


Temperature Range

0 to 80°C (32 to 176°F)

Temperature Resolution

0.1°C (0.1°F)

Temperature Accuracy

±0.3 °C (±0.5 °F)

Temperature Compensation

automatic between 0 and 40°C (32 to 104°F)



Automatic Shut-Off

after three minutes of inactivity

Battery Type/Life

9V / approximately 5000 readings


192 x 102 x 67 mm (7.6 x 4.01 x 2.6”)


420 g (14.8 oz.)

Refractometer Light Source

yellow LED

Minimum Sample Volume

100 μL (to cover prism totally)

Sample Cell

stainless steel ring and flint glass prism

Measurement Time

approximately 1.5 seconds

Ordering Information

HI96822 is supplied with battery and instruction manual


Enclosure Rating: IP65


Alat Laboratorium Umum

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