General-tools-and-instruments DREF-UP320 Manual do Utilizador descarregar pdf (Página 1)

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Operation Manual

DREF/UP320 (DR303) Portable Digital Refractometer

The Brix concentration, Refractive index or other parameters are always needed in lab or our life. Optical

refractometer is very popular used to measure these parameters. The Digital refractometer with a digital

readout and LCD display will eliminate uncertainties and is more convenient to use. Just about 0.3ml-0.5ml

sample was needed. All our digital refractometers have the following characters:

z Automatic Temperature Compensation

z Automatic Shut Off after 3 minutes

z Conversion between Centigrade and Fahrenheit Degree

z Alarm of Low Voltage & Low power consumption

z Temperature Measurement Range：0℃－40℃（32℉－104℉）

z Precision of Measurement temperature：±0.1℃(2℉)

z Measurement temperature Resolution：0.1℃(2℉)

z Operation Temperature：0℃－40℃（32℉－104℉）

z Storage temperature：-10℃－50℃ （14℉－122℉）

z Dimension ：185×59×45mm

z Weight：230g

z Power Supply：1battery（9v）

z Operating Time：More than 1500 times per battery

ⅠParts:

Ⅱ Installation Battery:

In the case of no battery or low battery with alert of “(((“ on the upper left of LCD, you should install or

replace the battery. Open the battery cover on the back of the instrument, install a battery or replace the old

battery with a new one.

Ⅲ Power On and Off:

Press the “On/Off” button to turn it on or off. Temperature in Centigrade will

display when power on. The instrument will turn off automatically if there is no

any operation in three minutes.

Ⅳ Measurement of Temperature:

Temperature can be displayed at any time by press the “Temp” button during measurement.

The conversion between Fahrenheit and Centigrade can be made by pressing “Temp” button.

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Resumo do Conteúdo

Página 1 - Operation Manual

Page 1 of 4 Operation Manual DREF/UP320 (DR303) Portable Digital Refractometer The Brix concentration, Refractive index or other parameters are alwa

Página 2 - Ⅵ Original Point Setting:

Page 2 of 4 ⅤConversion of Status of Scales: 1. Turn it off: Press the “On/Off” button to turn refractometer OFF. 2. Synchronously hold “Blank” b

Página 3 - Ⅸ Precaution:

Page 3 of 4 Ⅶ Zero Checking: (This function is not available for DR101/201/301.) 1. Completely clear prism window. 2. Drop standard solution, wh

Página 4 - ⅩModel List:

Page 4 of 4 ⅩModel List: MODEL SCALES RANGE DIVISIONS ACCURACY Original BRIX 0-35% 0.1 ±0.1 0.0DR103 REFRACTIVE INDEX 1.3330-1.3900 0.0001 0.0

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General-tools-and-instruments DREF-UP320 Manual do Utilizador Página 1

Consulte online ou descarregue Manual do Utilizador para Ferramentas General-tools-and-instruments DREF-UP320. General Tools and Instruments DREF-UP320 User Manual Manual do Utilizador

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General-tools-and-instruments DREF-UP320 Manual do Utilizador Página 1

Consulte online ou descarregue Manual do Utilizador para Ferramentas General-tools-and-instruments DREF-UP320. General Tools and Instruments DREF-UP320 User Manual Manual do Utilizador

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