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Hanna Instruments HI96821 Digital Refractometer for Measuring Sodium Chloride in Food

The HI96821 Digital Refractometer is a portable instrument for measuring sodium chloride content in foods such as sauces, brines, cheeses, salad dressings, and whey. It converts a sample’s refractive index to g/100 g, g/100 mL, specific gravity, and °Baume using built-in temperature compensation. The device delivers high accuracy with ±0.2 g/100 g sodium chloride resolution and provides readings in approximately 1.5 seconds. With a small sample size, dual-level LCD, and IP65 water-resistant housing, the HI96821 is ideal for both laboratory and on-line food quality testing.

  • Multi-Unit Measurement: g/100 g, g/100 mL, specific gravity, and °Baume
  • Fast & Accurate: Readings in ~1.5 seconds with automatic temperature compensation
  • Compact & Durable: Minimum 100 μL sample, stainless steel prism well, IP65 water-resistant casing
  • User-Friendly Features: One-point calibration, dual-level LCD, battery indicator, automatic shut-off

Description

The HI96821 Digital Sodium Chloride Refractometer provides rapid and precise measurement of salt content in foods by converting the sample’s refractive index into sodium chloride units and related parameters. Using widely accepted references and built-in automatic temperature compensation, the meter ensures accurate readings across a temperature range of 0–40°C (32–104°F). Standard sodium chloride solutions can be easily prepared for calibration using high-purity NaCl and distilled or deionized water, providing a simple workflow for quality control in sauces, brines, cheeses, and other processed foods.

Equipped with a yellow LED light source, prism, and linear image sensor, the HI96821 evaluates how light interacts with the sample to produce precise salt concentration readings. Additional features include a dual-level LCD display for simultaneous sodium chloride and temperature readings, small 100 μL sample requirement, stainless steel sample well, IP65 water-resistant casing, automatic shut-off, and battery indicator. Lightweight and portable, this refractometer is perfect for use in laboratories, production lines, and field testing.

Features

  • Measurement Units: g/100 g, g/100 mL, Specific Gravity, °Baume
  • NaCl Range: 0–28 g/100 g; 0–34 g/100 mL; 0–26 °Baume
  • NaCl Accuracy: ±0.2 g/100 g; ±0.2 g/100 mL; ±0.2 °Baume
  • NaCl Resolution: 0.1 g/100 g; 0.1 g/100 mL; 0.1 °Baume
  • Specific Gravity Range: 1.000–1.216
  • Specific Gravity Accuracy: ±0.002
  • Specific Gravity Resolution: 0.001
  • Temperature Range: 0–80°C (32–176°F)
  • Temperature Accuracy: ±0.3°C (±0.5°F)
  • Temperature Resolution: 0.1°C (0.1°F)
  • Temperature Compensation: Automatic 0–40°C (32–104°F)
  • Calibration: One-point calibration with distilled or deionized water
  • Sample Size: Minimum 100 μL (2 metric drops)
  • Measurement Time: Approximately 1.5 seconds
  • Display: Dual-level LCD showing NaCl concentration and temperature
  • Sample Well: Stainless steel ring and flint glass prism, corrosion-resistant
  • Light Source: Yellow LED
  • Automatic Shut-Off: After 3 minutes of inactivity
  • Battery: 9V, ~5000 readings per battery
  • Durability: IP65 water-resistant ABS plastic casing
  • Ordering Information: Supplied with battery and instruction manual

Specifications

SKU HI96821
Product Name Digital Refractometer for Measuring Sodium Chloride in Food – HI96821
Quote Required Yes
Specific Gravity Range 1.000 to 1.216 Specific Gravity
Specific Gravity Resolution 0.001 Specific Gravity
Specific Gravity Accuracy ±0.002 Specific Gravity
Sodium Chloride Range 0 to 28 g/100 g; 0 to 34 g/100 mL; 0 to 26 °Baume
Sodium Chloride Resolution 0.1 g/100 g; 0.1 g/100 mL; 0.1 °Baume
Sodium Chloride Accuracy ±0.2 g/100 g; ±0.2 g/100 mL; ±0.2 °Baume
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
Dimensions 192 x 102 x 67 mm (7.6 x 4.01 x 2.6”)
Weight 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 HI96821 is supplied with battery and instruction manual
Notes Enclosure Rating

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