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8. WARRANTY
Sper Scientific warrants this product against
defects in materials and workmanship for a
period of 1 year from the date of purchase,
and agrees to repair or replace any
defective unit without charge. If your model
has since been discontinued, an equivalent
Sper Scientific product will be substituted if
available. This warranty does not cover
probes, batteries, or damage resulting from
accident, misuse, or abuse of the product.
In order to obtain warranty service, ship the
unit postage prepaid to:
Sper Scientific
Sper Scientific
Sper ScientificSper Scientific
7720 E Redfield Rd, Suite 7
Scottsdale, AZ 85260
Include a description of the problem and
your return address along with the returned
item. Return your warranty card within 10
days of purchase or register online at:
email: info@sperscientific.com
www.sperscientific.com
CUSTOM POCKET DIGITAL
REFRACTOMETERS
300056 ~ 300057
INSTRUCTION MANUAL
rev 03/03/09
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SPER
SPER
SPERSPER
SCIENTIFIC
SCIENTIFIC
SCIENTIFIC SCIENTIFIC
LTD
LTD
LTDLTD
....
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CONTENTS
1. Introduction .................................. 2
2. Panel Description ......................... 3-4
3. Calibration .................................... 5
4. Measurement ............................... 6
• Models with Multiple Scales...... 7
• Notes and Precautions ............. 7-8
5. Zero Checking .............................. 9
6. Battery Replacement ................... 9
7. Specifications ............................... 10-11
8. Warranty....................................... 12
1. INTRODUCTION
Our Custom Scale Pocket Digital
Refractometers measure your specified
parameters with laboratory accuracy. The
digital readout eliminates uncertainties,
while the water resistant design facilitates
clean ups and protects the electronics from
moisture.
Features:
•
Automatic Temperature Compensation
•
Zero Calibration
•
Automatic shut off
•
Instantaneous reading
Scale Range Res. Accuracy
Use pure distilled water as the calibration solution for all models.
7. SPECIFICATIONS (continued)
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