Hanna Instruments HI96831 Quick Reference Manual

QUICK REFERENCE GUIDE
HI96831 Ethylene Glycol Refractometer
Dear Customer,
Thank you for choosing Hanna Instruments.
For more information about Hanna Instruments and
our products, visit www.hannainst.com or e‑mail us at
sales@hannainst.com. For technical support, contact
your local Hanna Instruments office or e‑mail us at
tech@hannainst.com.
Please scan the QR code or use
the link below to download the
user manual.
https://manuals.hannainst.com/HI96831
Package Contents
• HI96831
• Plastic pipette
• 9 V battery
• Quick reference guide & meter quality certificate
Note: Save all packing material. Any damaged or defective
item must be returned in its original packing material with
the supplied accessories.
Main Features
• Automatic Temperature Compensation
• 0.0 to 100.0 % Volume (% v/v)
• 0.0 to –50.0 °C (32.0 to –58.0 °F) freezing point
Making an X % Ethylene Glycol Solution
• Add X mL of high purity ethylene glycol (CAS #:
107‑21‑1; MW 62.068) to a 100 mL Grade A
volumetric flask.
• Fill with distilled or DI water to near total volume.
• Mix and allow time to return to room temperature.
• Fill to the 100 mL mark with distilled or DI water.
• Mix well before use.
Hanna Instruments Inc., 584 Park East Drive, Woonsocket, RI 02895 USA
Brief Operational Overview
• Rotate the back cover (1) counterclockwise to open.
• Insert the supplied battery (2).
• Replace the cover and turn clockwise to close.
• Press to power the instrument on.
• Press to change measurement unit.
RANGE
READ ZERO RANGE
• Calibrate  Using a pipette, completely cover the
prism in the sample well (3) with distilled or DI water.
Press .
ZERO
• Measure  Using a pipette, drip sample onto the
prism surface until the well is full.
Press to display the result.
READ
Hanna Instruments is committed to developing and
deploying digital solutions with a positive impact on the
environment and climate.
All Hanna instruments conform to the CE European
Directives and UK standards, and our production
facilities are ISO 9001 certified. HI96831 is warranted
for a period of two years against defects in workmanship
and materials when used for its intended purpose and
maintained according to instructions.
Please retain for future use.
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