Sper scientific 300058 Manuale utente
Waterproof Digital
Refractometer
300058
2
Waterproof Digital Refractometer 300058
Copyright ©2015 by
Sper Scientic
ALL RIGHTS RESERVED
Printed in the USA
The contents of this manual may not be reproduced
or transmitted in any form or by any means electronic,
mechanical, or other means that do not yet exist or may
be developed, including photocopying, recording, or
any information storage and retrieval system without the
express permission from Sper Scientic.
3
TABLE OF CONTENTS
1. INTRODUCTION . . . . . . . . . . . . . . . . . 4
2. MATERIALS SUPPLIED. . . . . . . . . . . . . . 5
3. FEATURES . . . . . . . . . . . . . . . . . . . . 5
4. POWER SUPPLY . . . . . . . . . . . . . . . . . 6
5. FRONT PANEL DESCRIPTION . . . . . . . . . . 7
6. LCD DESCRIPTION. . . . . . . . . . . . . . . . 7
7. CALIBRATION. . . . . . . . . . . . . . . . . . . 8
8. MEASUREMENT PROCEEDURES. . . . . . . . 9
9. ERROR CODES. . . . . . . . . . . . . . . . . . 10
9. SPECIFICATIONS. . . . . . . . . . . . . . . . . 10
10. WARRANTY . . . . . . . . . . . . . . . . . . . 12
4
INTRODUCTION
This Sper Scientic Waterproof Digital Refractometer
measures concentrations in Brix, 5 additional sugar
scales, and Refractive Index with laboratory accuracy.
The small, light, meter offers digital precision for eld use.
A protective IP67 waterproof case and a scratchproof
sapphire lens ensure long-lasting durability and reliability.
The meter is powered by a rechargeable, long-life
lithium-ion battery which provides 50,000 tests on a
single charge. Simple one-button calibration using
distilled water ensures accurate readings.
5
MATERIALS SUPPLIED
• Refractometer
• One lithium-Ion battery
• DC Power Adapter
• Distilled Water
• Transfer pipet
• Instruction Manual
• Carrying Case
FEATURES
• Measures Brix (sucrose), refractive index, dextran,
fructose, glucose, lactose, and maltose
• Covers the entire 0 ~ 95% Brix range
• Displays sample temperature followed by
measurement result
• IP67 Waterproof, rugged exterior
• Scratch proof sapphire lens
• Rechargeable battery
• Low battery indicator
• DC power adapter
• Automatic shutoff
6
POWER SUPPLY
The meter is powered by one rechargeable lithium-ion
battery. An icon in the upper-right corner of the LCD
indicates the level of battery power available:
75%-100% power
40%-75% power
15%-40% power
Less than 15% power. (This icon will ash)
The DC adapter included plugs into the port on the left
side of the meter. This both provides an alternate power
supply and recharges the battery.
Automatic Shutoff
The power will automatically shut off if the meter is not
used for 3 minutes.
7
FRONT PANEL DESCRIPTION
1. POWER - Power on/off
2. READ - Read measurements /select scale
3. CAL - Calibrate meter
4. LENS COVER
LCD DISPLAY
1. S 1 - Current scale number
2. BATTERY ICON -
Battery power level
3. DISPLAY - Displays temperature
and readings
1 2 3 4
8
CALIBRATION
Use distilled water (refractive index 1.3330 ~ 1.3340)
to calibrate the meter.
1. With the meter turned off, place a few drops of
distilled water on the lens.
2. Close the lid to cover the lens.
3. Press POWER to turn the meter on.
4. The temperature of the distilled water appears
on the LCD.
5. Press and hold CAL for 2 seconds to enter
Calibration Mode. “CAL” will be displayed to indicate
that calibration is occurring.
6. When calibration is nished the meter returns to
Measurement Mode and “ - - - ” is displayed on
the LCD.
9
MEASUREMENT PROCEDURES
After calibration you can remove the distilled water from
the lens and begin measurement.
Note…Use a clean, lint-free cloth or tissue to remove
solutions from the lens.
1. With the meter turned off, place a few drops of solution
on the lens.
2. Press POWER to turn the meter on.
3. The temperature of the solution appears on the LCD.
4. Close the lid to cover the lens.
5. Press Read to view the measurement on the LCD.
6. To change scales, press and hold Read for 2 seconds
until the scale number changes. Repeat to cycle
through the available scales.
Scale Indicator & Name
S1 Brix
S2 Refractive Index
S3 Dextran
S4 Fructose
S5 Glucose
S6 Lactose
S7 Maltose
7. Press Read if desired to repeat the measurement.
10
MEASUREMENT ERRORS
Certain conditions can cause an error code to
appear on the LCD:
Error Code & Cause
- - - There is no solution on the lens
HHH The measurement is above the upper limit
LLL The measurement is below the lower limit
SPECIFICATIONS
Measurement Scale Range Resolution Accuracy
Scale 1 – Brix 0.0 ~ 95% 0.1% ± 0.2%
Scale 2 –
Refractive Index
1.3330 ~
1.5320nD
0.0001nD ±0.0003nD
Scale 3 – Dextran 0.0 ~ 10.6% 0.1% ±0.2%
Scale 4 – Fructose 0.0 ~ 68.9% 0.1% ±0.2%
Scale 5 – Glucose 0.0 ~ 59.9% 0.1% ±0.2%
Scale 6 – Lactose 0.0 ~ 16.5% 0.1% ±0.2%
Scale 7 – Maltose 0.0 ~ 15.6% 0.1% ±0.2%
Temperature 0.0 °C ~ 40.0 °C ±0.5 °C
ATC Range 0.0 °C ~ 40.0 °C ±0.5 °C
Sample Capacity 0.3 mL ~ 1 mL
Measurement Time 0.5 ~ 1.0 seconds
Waterproof Rating IP67
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