Sper scientific 860045 Bedienungsanleitung

Low Range/High Precision

Turbidity Meter

0-20 NTU

860045

Instruction Manual

Table of Contents

Overview ................................................................................... 3

Safety Precautions ................................................................... 5

Features ................................................................................... 7

Notice ....................................................................................... 9

Parts & accessories ................................................................ 11

Measuring steps ..................................................................... 12

Calibration steps ..................................................................... 13

Other operation ....................................................................... 14

Technical specications .......................................................... 15

Warrenty .................................................................................. 16

Overview

This instrument combines the scattered light method and the

transmitted light method, and uses a near-infrared light source to

eliminate color interference, which conforms to the ISO7027 stan-

dard. There are two detectors: 90° and 180° in the instrument. The

180° detector receives the transmitted light, and the 90° detector

receives the scattered light. The intensity of the scattered light and

the transmitted light is positive to the turbidity in the sample. The

intensity of light and transmitted light is used to calculate the turbidi-

ty value of the sample.

Overview (Continued)

This meter has the following features:

* Built-in lter to avoid background light interference.

* High-precision optical structure, accurate and stable measure-

ment.

* Built-in high-performance micro-processing core, high data pro-

cessing power.

* Easy to use, text on the screen indicates operation instructions.

* IP65 protection grade, small size, light weight, dust-proof and

shockproof.

Safety Precautions

Read the product manual before use and follow the instructions

carefully. The colorimetric bottle of the standard solution can be

directly used for calibration after being wiped with a soft towel. Do

not open the cap. It is good practice to wear gloves, please wear

protective glasses if necessary. If you come into contact with chem-

icals, clean them thoroughly with water immediately, and consult a

doctor if necessary. Please understand the measurement proce-

dure in detail and pay special attention to the hazard information.

Failure to operate as required may injure the operator or damage

the instrument. If you have questions about reagents or procedures,

please contact our company.

Special reminder: Keep chemical reagents away from minors.

Safety Precautions (Continued)

Hazard information tips: If there are multiple hazards, this manual

will use slogans (Danger, Warning, Caution) to try to avoid danger-

ous occurrences.

Danger: Indicates that there is a potentially dangerous situation. If

it cannot be avoided, it may cause death or serious injury.

Warning: Indicates a potentially hazardous situation that may

cause minor or moderate injury.

Note: Information that requires special attention. Warning label:

Please pay special attention to the label attached to the instrument.

If you do not pay attention, it may cause damage to the operator or

the instrument.

Features

1. The use of near-infrared LED light source, low level interference,

in line with ISO7027 standards.

2. OLED full color display screen, the data display is clear and con-

trasting.

3. The buttons and display screen are protected by acrylic panels.

4. The test results are automatically saved, and 5000 test results

can be stored, so that historical data can be queried.

5. USB interface utilizes an anti-water design.

6. Supporting power management, the USB cable can be used for

data transfer and battery charging.

7. The turbidity calibration solution can be stored at room tempera-

ture.

Features (Continued)

8. Support multi-point calibration.

9. One key “Restore the settings” function.

10. Special carrying case, dust-proof and shockproof.

Notice

1. When holding the bottle, please hold by the bottle cap, and do

not touch the part below the line of the bottle with your hand.

2. Clean the test cuvette with a lens cleaning cloth before placing

the bottle in the slot.

3. Keep the white bottle intact, without scratches, and clean inside

and outside.

4. The silk screen ”V” on the black bottle should be aligned with the

“/\”on the edge of the black groove.

5. During the testing, there must be no bubbles on the inner wall of

the white bottle, otherwise the measurement accuracy will be a󰀨ect-

ed, and the bubbles can be discharged by tilting slightly.

Notice (Continued)

6. When recalibrating, it is necessary to place the standard solution

strictly according to the instructions on the interface. The four cali-

bration points of 0/1/2/20NTU must be calibrated.

7. Please put on the shading cover before testing.

8. Avoid any liquid or foreign objects entering the detection tank.

After use, please cover the rubber sealing plug in time, and pay at-

tention to the direction of the sealing plug (the arrow of the sealing

plug is in the same direction as the arrow of the instrument logo).

The illustrations are for reference only.

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