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Instruction manual

Thank you for purchasing an in-line refractometer. This instruction manual is designed to guide you to understand

the functions and characteristics of the sensor. Before using the instrument, please read this manual carefully to

ensure safe and correct use. Please keep this manual for future reference

In-line Refractometer

Model : GND15

（

high temperature Application

）

ZHYQ Sensor&Control Page 1 of 15

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Содержание GND15

Страница 1: ...o guide you to understand the functions and characteristics of the sensor Before using the instrument please read this manual carefully to ensure safe and correct use Please keep this manual for future reference In line Refractometer Model GND15 high temperature Application ZHYQ Sensor Control Page 1 of 15 ...

Страница 2: ...art of the measuring instrument is brought out with the flow of the medium so that the temperature of the liquid contacting part of the measuring instrument can be reduced to the range that the instrument can withstand the cooling medium can be cold gas or Corrosive clean cold water the equipment that drives the cooling medium can choose a suitable air pump or liquid pump according to the form of ...

Страница 3: ... Refractive Index of the medium χ The Refractive Index varies with the wavelength of light and temperature and is represented as follows For example Refractive Index of water at 20 under the D line is 1 33299 Generally expressed as nD 1 33299 n Represents the Refractive Index t Temperature D D line of natrium 589nm ZHYQ Sensor Control Page 3 of 15 Working Principle In line Refractometer Model GND1...

Страница 4: ...olutions must be added through multiple production lines and multiple processes such as juicing filtering cooking dilution blending mixing fermentation etc each process the concentration will change If only detectthe finished product concentration when there is a substandard product it is impossible to know which process has the problem and the produced defective product causes cost waste Therefor...

Страница 5: ...A RS485 optional Power 12 24V DC Wetted parts material Prism sapphire Prism stage SS304 SS316L can be customized Optical source LED the wave length approximate to D line Max Pressure 1MPa Environment Temperature 0 120 Protection grade IP67 Instrument Size 306 5mm 120mm 120mm Process connection 3 tri clamp other size supply free adaptor High and low limit settings Buttons can be set Recorder output...

Страница 6: ...ZHYQ Sensor Control Page 6 of 15 Dimension In line Refractometer Model GND15 high temperature Application ...

Страница 7: ...mA or 4 20mA RS485 connect to a recorder Note our GND15 as no power switch Turn off the power DC24V prior to connecting cables to the individual units When power is supplied to the GND15 The Brix value will be displayed when sample flows onto the prism surface the measurement value display illuminates the unit work commences If there is no sample on the prism surface only air the error message LLL...

Страница 8: ...e measure value nD and T Menu Switches or sets the display mode of the measurement value and the setting mode and save the setting value ESC Exit key Up keys Increase the value in each setting mode Down key decrease the value in each setting mode ZHYQ Sensor Control Page 8 of 15 Names and Functions of keys In line Refractometer Model GND15 high temperature Application ...

Страница 9: ... the lower limit 4mA in the current 4 20mA Default 0 9 Temperature 4 20mA upper limit 1 as the unit Reserved functions Increase or decrease the upper limit of the solution 4 20mA output by 1 When the temperature value is greater than or equal to the upper limit the output is 20mA and the value range is 10 130 10 Temperature 4 20mA lower limit 1 as the unit Reserved functions Increment or decrement...

Страница 10: ...p When the sample flows into the prism surface Step measurement starts brix value and current temperature T will be displayed Boot displayNo solution display Brix exceeds the measuring range ay Normal measurement display nD T polling displayCalibration 0 failure display EE0 You can choose to display only T or nD or both through the menu ZHYQ Sensor Control Page 10 of 15 Operation instructions Scre...

Страница 11: ... must be cleaned by hand 2 PU pipe connect with inlet and output separately Note Cleaning the Prism instruction in the next page The sample inlet unit should be installed in such a manner that it can be easily removed to allow access to the prism for cleaning Note Suspending the GND15 2 5kg when using the sample inlet unit to connect to the piping is dangerous Use of the optional stand is recommen...

Страница 12: ...t to miss the sealing ring Ensure that the cable is correctly connected to the port The power can be turned on only after the product is installed Immediately turn off the power DC24V if the unit begins to overheat smoke or emit an abnormal smell Small curve pipe Neck to increase flow rate pipe Normal curve pipe Digester with scraper and steam Container ZHYQ Sensor Control Page 12 of 15 Mounting P...

Страница 13: ...mp band that connects the main unit to the sample inlet unit piping or tank Clean the prism surface carefully with a soft tissue soaked with warm water or ethyl alcohol If the sample solution contains oil or grease use ethyl alcohol to ensure the prism surface does not develop a film Development of a film on the prism could cause erroneous measurements NEVER clean the prism with an abrasive materi...

Страница 14: ...nstrument In direct sunlight or near the heating source If measurement of concentration transmitter is abnormal please check input power supply first If power supply is ok check if the measurement window of transmitter has been covered by contamination or not and make sure that measurement window can contact solution well at the mean time If it is problem of transmitter itself please return it to ...

Страница 15: ...ctric connection Accuracy Other requirement GND15 Example GND15 33 4 20mA 3 tri clamp 4pins 0 5 5 6F No 8 Building No 115 Lane 1276 Nanle Road Songjiang District Shanghai 201600 China Tel 86 21 51691919 67755189 Fax 86 21 67755185 E mail info zhyqsensor com www zhyqsensor com Shanghai Zhaohui Pressure Apparatus Co Ltd ZHYQ Sensor Control Page 15 of 15 Ordering Guide Plug wiring definition In line ...

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