Sper scientific 300058 Bedienungsanleitung

Waterproof Digital

Refractometer

300058

Waterproof Digital Refractometer 300058

Sper Scientic

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 Scientic.

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

INTRODUCTION

This Sper Scientic 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.

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

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.

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

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.

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.

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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