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(2-2) An Example of How to Create Data Table

To create a data table, first prepare sample solutions of different concentrations.
Then, use an accurate refractometer to measure their refractive indices at di fferent temperatures.
This chapter explains the procedure of creating a data table for caustic soda (NaOH) solutions.

[Items to prepare]



An accurate and precise refractometer (preferably a refractometer equipped with a temperature

regulator function)



A circulating constant temperature bath (unnecessary for a refractometer with an internal constant
temperature feature)



Sample solutions of different concentrations (example: NaOH solutions)

①

Prepare 6 NaOH solutions diluted with purified water to the following concentrations:

0.00%, 10.00%, 20.00%, 30.00%, 40.00%, 50.00%
Use purified water as the 0.00% sample.
Table 11-5 is the data of conversion between temperature and refractive index of water.

Table 11-5

Temperature

5˚C

10˚C

20˚C

30˚C

40˚C

50˚C

60˚C

nD

1.33388

1.33369

1.33299

1.33194

1.33061

1.32904

1.32725

②

Next, measure the other 5 NaOH solutions with the refractometer.

Change the temperature to 5.0˚C, 10.0˚C, 20.0˚C, 30.0˚C, and 40.0˚C and measure.
Record the concentration, temperature, and Refractive Index.

m

For a data table, use a measurement range that is wider than the range of the actual sample
the PRM-

2000α will be measuring.

Accordingly, the user scale in thi

s case has the temperature range of 5 to 40˚C and the

concentration range of 0.00 to 50.00%.

③

Enter the concentration, Refractive Index, and temperature, following the data table format.
The Table 11-6 below is the compilation of the measurement results of the NaOH solutions expressed in
the format of the Table 11-5.

How to read the Table 11-6
The 20.00% solution measures nD 1.343687 at 20

˚C.

The 30.00% solution measures nD 1.349789 at 10˚C.

Table 11-6

0.00%

10.00%

20.00%

30.00%

40.00%

50.00%

0.0

5.0˚C

1.33388

1.339374

1.344782

1.350106

1.355346

1.3605

0.0

10.0˚C

1.33369

1.339141

1.344507

1.349789

1.354987

1.3601

0.0

20.0˚C

1.33299

1.338381

1.343687

1.348909

1.354047

1.3591

0.0

30.0˚C

1.33194

1.337277

1.342531

1.347703

1.352793

1.3578

0.0

40.0˚C

1.33061

1.335935

1.341177

1.346335

1.351409

1.3564

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.0

※

Fill in any blank cells with "0.0"

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Содержание PRM-2000 A

Страница 1: ...3641 E11 In line Refractometer PRM 2000 Instruction Manual Cat No 3641 PRODUCT REGISTRATION WARRANTY CARD https www atago net registration english registration php ...

Страница 2: ...Connecting the Detection Section to the Display Section 15 8 External Output 17 9 Turning On the Power 21 10 Measurement Scale Settings 22 11 Setting Measurement SET UP Mode 26 12 Measurement Procedure 49 13 Cleaning the Prism 50 14 Definitions of Error Messages 51 15 Availability of Parts 52 16 Specifications 53 17 Dimensions 54 18 Repair Service and Warranty Period 55 19 ATAGO CO LTD Service Cen...

Страница 3: ... injury or death may result CAUTION If this indication is neglected and the instrument is handled incorrectly injury and or property damage may result Explanation of symbols This symbol denotes an item of which to be warned or cautioned The contents of warning are described in detail in or near the This symbol denotes an action that must not be performed a prohibited item The contents of prohibiti...

Страница 4: ...cating the unit pack it fully to guard against shocks during transit and enclose it in the corrugated fiberboard box in which it had been delivered Carefully read this instruction manual and fully understand the function and operation of each part of the instrument before use Inspect each part of the instrument for damage or defects that may have occurred in the shipping or manufacturing process C...

Страница 5: ...d to direct sunlight or near a heating unit where the temperature may rise Do not change the environmental temperature of the instrument suddenly Do not place the instrument in a place where it may be subject to strong vibrations Do not use the instrument where there is much dust Do not leave the instrument where the temperature is extremely low Do not leave the instrument in a damp place Do not p...

Страница 6: ... the absolute Refractive Index Generally however this index is seldom used 2 3 Brix scale The PRM 2000α is programmed with the Brix scale based on the Refractive Index of water nD 1 33299 as the reference 0 The Brix scale represents the weight of sucrose expressed by percentage sucrose weight in grams contained in 100 grams of sucrose solution Therefore this scale corresponds with the sucrose conc...

Страница 7: ... to remove the metal caps as well as the rubber caps x 3 Fig 3 1 Run the unit from a power supply of 100V AC to 240V AC 50 60Hz Install the unit in an ambient temperature range of 5 to 40 C This unit contains precision components Avoid installing this unit in places that are exposed to direct sunlight or near a heat source or where dust or corrosive gases may accumulate Install this unit in a loca...

Страница 8: ...nd or concentration Sample inlet unit mounting part Mount the sample inlet unit on this part Detection section Display section connection terminal Connect the DS 2 cable to this terminal Air cooling fin Dissipates heat to preserve the unit s electronic components when measuring high temperature samples Temperature sensor Mark to show the position of the thermo sensor Fig 4 1 Fig 4 2 ...

Страница 9: ...y Numerical value change keys Use to change the numerical value in SET UP mode Measurement indicator Indicates the current mode of measurement that is continuous or halted During use the yellow light blinks SET UP mode indicator Yellow light will be turned on at the SET UP mode H over and L over displays If a high limit or low limit alarm is set in the SET UP mode and then the high or low limit is...

Страница 10: ...cale externally RS 232C output terminal Use to connect the calculation display section to a personal computer Recorder output terminal Use to connect the calculation display section to a recorder Detection section display section connection terminal Connect the DS 2 cable to this terminal Power cable Insert into a 100V AC to 240V AC outlet Calculation display section rear view Fig 4 4 ...

Страница 11: ...uipment 5 1 Types of Sample Inlet Unit There are 4 types of sample inlet unit fittings straight type L type compression fitting and hose connector Straight type use for mounting within straight sections of a piping system L type use for mounting to the bent L shaped section of a piping system There are 3 types of connection fittings for attaching the instrument to the piping system IDF ISO clamp u...

Страница 12: ...ection section weighs 4 1kg it may not be supported by connection with the sample inlet unit alone Therefore support the detection section as shown below If you cannot get the support we will supply the following parts Stand RE 67155 Pipe hanger 3S RE 67157 Hanger pin RE 67156 For the support bar prepare a pipe having an outer diameter of 19 0mm and an inner diameter of 16 0 to 17 0mm Clamp O ring...

Страница 13: ...r the prism Mounting the detection section as shown in Fig 5 4 is not advised as low pressure or flow rate may prevent the sample from contacting the prism sufficiently interfering with measurement Fig 5 4 5 5 Position of the thermo sensor There is a built in thermo sensor near the prism As the position of the thermo sensor is marked Fig 5 5 mount the detection section to keep the mark upstream in...

Страница 14: ...tion is equipped with a wall mount handle on the rear face allowing the part to be mounted to a wall surface Fig 6 1 Do not mount the instrument in a way that hinders access to operate the instrument When mounting the display section on a panel use up to two flat washers to adjust the thickness of the panel as needed and bolt the display section The table assumes panel thicknesses of 1 to 5mm Tabl...

Страница 15: ... Fig 6 2 Panel thickness Plain washer Schematic 1mm 2pcs 2mm 2pcs 3mm 1pc 4mm 1pc 5mm 0pc Table 6 1 Hexagon bolt M6 12 Plain washer Spring washer 1 9 12 1 6 Accessories Hexagon bolt 2 Plain washer 4 φ11 5 ...

Страница 16: ...rned off and the power supply cable is unplugged Attempting to connect disconnect the cable and connector while the instrument is powered on may increase the risk of electric shock m When using the display section s terminals be sure to remove the metal caps as well as the rubber caps Fig 7 1 After mounting the detection section on the piping connect it to the display section with the DS 2 cable i...

Страница 17: ...16 Fig 7 2 DS 2 cable for connecting the display and detection sections Back of the calculation display section Front of the calculation display section Detection section ...

Страница 18: ... 8 1 Recorder Output Fig 8 2 Fig 8 3 Refractive index Brix or concentration and temperature 0 to 100 C are generated as recorder outputs 4 to 20mA by the detection section Insert the recorder output cable included into the port on the rear of the display section See 11 3 Setting recorder output on Page 30 for SET UP mode instructions Table 8 1 Lead wire color Pin number Cord color Signal name Outp...

Страница 19: ...PC side Pin number Cord color Signal name Pin number Cord color Signal name 1 Red RXD 2 Red White stripe RXD 2 Red White stripe TXD 3 Red TXD 3 Black GND 5 Black GND 7 RTS 8 CTS Fig 8 4 Fig 8 5 Communications parameters Baud rate 9600bps Data length 8bit Parity ODD Stop bits 1bit Transmitted data format a aaaaa bb bbb cc ccc dd ddd eeeeee fff ff g a aaaaa Refractive Index bb bbb Brix 1 cc ccc Brix...

Страница 20: ...r the alarm output Pin numbers 4 to 6 are used for switching the scales Refer to pg 20 8 4Switching the Scale externally Table 8 3 Lead wire color Pin number Cord color Signal name 1 Brown High limiter output 2 Red Low limiter output 3 Black Limiter Com 4 Yellow External Switch B0 5 White External Switch B1 6 Green External Switch Com Fig 8 6 Fig 8 7 High and low limiter output typical application...

Страница 21: ...ut a signal level within 5 to 24V Dedicated Cable option Specifications The same cable is used both for the alarm output and for switching the scale Refer to Table 8 3 on pg 19 8 3Alarm Output high and low limiter output Connection Example Connect the wire as illustrated in the connection example refer to Fig 8 11 Input the signal using Table 8 5 Input Switch List as reference The channel will cha...

Страница 22: ...repair or replacement cables CAUTION Do not handle plugs with wet hands When disconnecting the power cable from an AC outlet hold it by the plug pulling the cable could damage it increasing the likelihood of fire or electric shock When plugging the power cable to an AC outlet ensure that the ground pin is connected as well Make sure that the DS 2 cable is functioning properly Ensure each output ca...

Страница 23: ...ain to switch to the next mode i e nD Brix CH1 to 3 Conc SET UP in turn Measurement results for modes other than SET UP can be confirmed In SET UP mode the SCALE key is the cancel key One of the following modes may be selected in SET UP mode 1 bIAS 2 ALAr 3 rEC 4 Conc 5 dP 6 CH 7 C no 8 d no To start measurements at this stage press the SCALE key once to exit SET UP mode Then press the START STOP ...

Страница 24: ...inated Press SCALE twice and the Brix light will blink indicating Brix mode is selected 1 will be displayed in CH Press the SCALE key each time to switch CH to 2 and 3 Press ENTER to confirm this selection The Brix light will remain illuminated Fig 10 1 Fig 10 2 Press START STOP to resume measurement The READING light will blink Brix measurement values will appear on the display 1 will appear in C...

Страница 25: ... measurements will be displayed as nD values Fig 10 5 Fig 10 4 Fig 10 5 10 5 Change from Brix CH1 Mode to Conc During measurement the READING light blinks and the display will show Brix readings Fig 10 4 By pressing the START STOP key the READING light will turn off and StoP will display ceasing measurement The Brix light will remain illuminated Press SCALE four times and the Conc light blinks ind...

Страница 26: ...set Press START STOP to stop measurement StoP will be displayed on the measurement value display Press SCALE key once and the last value will be displayed Press SCALE again to display results in the next measurement mode i e nD Brix Conc in turn Pressing SCALE while Conc is displayed will bring up SET UP mode StoP will be displayed if left inactive for 10 seconds ...

Страница 27: ...libration in Brix measurement mode Press the START STOP key to pause the measurement Press the SCALE key 5 times The SET UP light will then blink and SEt will be displayed on the measurement value display Fig 11 1 Press the ENTER key The SET UP light comes on and 1 bIAS will appear on the measurement value display Fig 11 3 Fig 11 1 Fig 11 2 Fig 11 3 If left inactive for 10 seconds the display retu...

Страница 28: ... in the SET UP mode press the SCALE key StoP will appear after 10 seconds of inactivity Fig 11 2 To start taking measurements with the post calibration data press the START STOP key Fig 11 4 Example using the Refractive Index display Fig 11 5 Fig 11 6 If the last measurement value was LLL LLL or HHH HHH the screen for setting the bias will not appear Press the SCALE key to return to the previous 1...

Страница 29: ...e nD Brix CH1 to 3 or Conc Refer to pg 22 10 Measurement Scale Settings The example below is for setting the alarm in Brix CH1 measurement mode Press the START STOP key to pause the measurement Press the SCALE key 5 times The SET UP light will then blink and SEt will be displayed on the measurement value display Fig 11 1 Press the ENTER key and the SET UP light comes on Using the keys select 2 ALA...

Страница 30: ... to set the selected value The temperature display will then indicate SEC Set the period of time the measurement values can continue to exceed programmed Low and high limit value after which the alarm will be activated Fig 11 9 Use the arrow keys to select from 0 to 99 seconds Press the ENTER key to confirm all the changes The display will return to 2 ALAr Fig 11 9 ...

Страница 31: ...x CH1 measurement mode Press the START STOP key to pause the measurement Press the SCALE key 5 times The SET UP light will then blink and SEt will be displayed on the measurement value display Fig 11 1 Press the ENTER key and the SET UP light comes on Using the keys select 3 rEC Fig 11 10 Press the ENTER key to enter the Recorder output setting screen The temperature display will indicate Lo and t...

Страница 32: ...ndicate t Lo and the screen for setting the recorder output low limit value of temperature will appear Fig 11 13 Use the keys to change the value and select the decimal place with the keys To set the changes press the ENTER key The temperature display will indicate t Hi and the screen for setting the recorder output high limit value of temperature will appear Fig 11 14 Use the keys to change the v...

Страница 33: ...nstructions below are for programming a user scale using Windows XP Windows Vista Windows 7 Windows 8 and Windows 10 for RS 232C data transmission Windows XP Windows Vista Windows 7 Windows 8 and Windows 10 are registered trade marks of Microsoft Corporation in the United States and other countries 1 Items to Prepare Data table the refractive index of the sample and the Concentration according to ...

Страница 34: ...3 nD30 nD31 nD32 nD33 nD34 nD35 nD36 T4 nD40 nD41 nD42 nD43 nD44 nD45 nD46 T5 nD50 nD51 nD52 nD53 nD54 nD55 nD56 T6 nD60 nD61 nD62 nD63 nD64 nD65 nD66 C1 C7 Concentration or dilution coefficient etc Enter up to 7 points Fill in any blank cells with 0 0 Input condition C1 C2 C3 C4 C5 C6 C7 C1 C2 C3 C4 C5 C6 C7 T1 T6 Measurement temperature Enter up to 6 points Fill in blank cells if any with 0 0 In...

Страница 35: ...sure the other 5 NaOH solutions with the refractometer Change the temperature to 5 0 C 10 0 C 20 0 C 30 0 C and 40 0 C and measure Record the concentration temperature and Refractive Index m For a data table use a measurement range that is wider than the range of the actual sample the PRM 2000α will be measuring Accordingly the user scale in this case has the temperature range of 5 to 40 C and the...

Страница 36: ...0 N 2 0 00 10 00 20 00 30 00 40 00 50 00 0 0 C 1 1 33388 1 33937 1 34478 1 35011 1 35535 1 36050 0 0 C 2 1 33369 1 33914 1 34451 1 34979 1 35499 1 36010 0 0 C 3 1 33299 1 33838 1 34369 1 34891 1 35405 1 35910 0 0 C 4 1 33194 1 33728 1 34253 1 34770 1 35279 1 35780 0 0 C 5 1 33061 1 33594 1 34118 1 34633 1 35141 1 35640 0 0 C 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 How to read the Table 11 7 T indicates the ...

Страница 37: ...ing Text File Start up a personal computer installed with Windows Click the Start button at the bottom left of the screen Click program Click Accessories Click Notepad The Notepad should appear Fig 11 15 Fig 11 15 ...

Страница 38: ... code is automatically adjusted to the width of one character by the computer Represents one character of a line feed code Press the Enter key once If line feed codes are correctly entered the cursor comes to this position Fig 11 16 A Enter the number of measured temperature points B Enter the number of digits after the decimal point for a concentration See the examples of entry C Always enter the...

Страница 39: ...imal point e g 1 00000 10 0000 100 000 1000 00 10000 0 m12 Resolution to the recorder output is 30000 data If above the unit cannot output correctly e g in case of 0 000 100 000 limit the range of recorder output to 0 000 30 000 or 20 000 50 000 or reduce the digit number such as 0 00 100 00 to make the data below 30000 Example 0 000 30 000 30000 data 0 000 50 000 50000 data above 1 0000 5 0000 40...

Страница 40: ...39 Open the file to make sure that the complete data are saved Click on File and then Exit to close Fig 11 20 A text file has been successfully created Fig 11 20 ...

Страница 41: ...9 pin D sub connector purchase a USB serial adapter RE 55202 USB serial conversion adapter Download Tera Term from a website such as the one below http ttssh2 sourceforge jp index html en Start Tera Term Select Serial on the New connection dialogbox Select the port number Click OK Check the port number Control Panel System and Security Device Manager Port Click Setup and then Serial port ...

Страница 42: ...ngs are conformed to the instrument settings Enter the port number selected in step Click OK Click Setup and then Terminal port Enter the settings as shown below and Click OK Make sure that the Local echo is checked 9600 ...

Страница 43: ...o the previous 4 Conc screen Fig 11 21 Fig 11 22 6 Transferring Data When preparations for sending computer side and preparations for receiving PRM 2000α side are completed send the created text file NaOH solution according to the following steps Saving received data to a local file Click File and Log and a Tera Term Log window will appear Save with a desired file name Window for Tera Tarm comes o...

Страница 44: ...the data as programmed in the PRM 2000α will be displayed on the screen below the original data Compare the two sets of data and make sure that the programming has been executed accurately Fig 11 25 Fig 11 25 7 Confirming Data Take measurements after the Conc data are programmed to confirm that the data have been transferred successfully A B Data as programmed in the PRM 2000α Original data export...

Страница 45: ...setting screen will be displayed Use the keys to change the resolution 1 0 001 2 0 005 3 0 01 Fig 11 27 Fig 11 28 Fig 11 29 Select the desired minimum resolution Press the ENTER key to confirm the selection The display will return to the 5 ud screen Press the SCALE key once more and return to the measurement results display screen Fig 11 26 Fig 11 27 Fig 11 28 Fig 11 29 Press the SCALE key to canc...

Страница 46: ...ey to display the nD ON OFF setting screen The nD LED will light up Use the keys to select ON or OFF ON nD will be displayed on the measurement results display screen OFF results will not be displayed Fig 11 31 Press the ENTER key to confirm the selection The Brix CH1 ON OFF setting screen will be displayed The Brix LED will light up and 1 will be displayed in CH Use the keys to select ON or OFF O...

Страница 47: ...confirm the selection The Conc ON OFF setting screen will be displayed The Conc LED will light up Use the keys to select ON or OFF ON Conc will be displayed on the measurement results display screen OFF results will not be displayed Fig 11 35 Press the ENTER key to confirm the selection The display will return to the 6 CH screen Press the SCALE key once more and return to the measurement results d...

Страница 48: ...light will then blink and SEt will be displayed on the measurement value display Fig 11 1 Press the ENTER key and the SET UP light comes on Using the keys select 7 C no Fig 11 36 Press the ENTER key The measurement interval setting screen will be displayed Use the keys to select either C 1 C 2 C 3 C 4 or C 5 Press the ENTER key to confirm the selection The display will return to the 7 C no screen ...

Страница 49: ...nstable Try adjusting the Mode S level when this occurs Press the START STOP key to pause the measurement Press the SCALE key 5 times The SET UP light will then blink and SEt will be displayed on the measurement value display Fig 11 1 Press the ENTER key and the SET UP light comes on Using the keys select 8 d no Fig 11 37 Press the ENTER key The S level setting screen will be displayed Use the key...

Страница 50: ...on display section See Page 15 7 Connecting the Detection Section to the Display Section Appropriate external output cable connection to RS 232C recorder output and alarm output ports See Page 17 8 External Output Power on the instrument according to 9 Turning On the Power Pg 21 Additionally be sure to power on or set up any other external output devices such as a recorder Turning the power ON wil...

Страница 51: ...it is possible that solids or oils adhere to the surface of the prism and this build up can affect readings Cleaning by hot water or alkaline liquid called CIP cleaning is recommended for removal of prism build up If matter adhering to the surface of the prism cannot be removed by such cleaning it is necessary to clean the surface of the prism directly Follow these steps Detach the detection secti...

Страница 52: ...ure range H over The alarm setting LED light comes on when the sample measured is above the upper limit Measure samples within the upper limit L over The alarm setting LED light comes on when the sample measured is below the lower limit Measure samples within the lower limit E EEEEE The LED light source has been depleted in refractive index nD mode EEE EEE The LED light source has been depleted in...

Страница 53: ...distributor Part name Part number Summary RS 232C output cable RE 65301 4 pin connector D Sub 9 pin connector on one end standard 10mm Alarm output cable RE 65305 6 pin connector crimp terminal on one end standard 10mm O ring Silicon RE 68100 O ring attached between the detection section and sample inlet unit O ring EPDM RE 68115 O ring Viton RE 68002 ...

Страница 54: ...ions of the interval Temperature compensation range 5 0 to 90 0 C High and low limit settings High and low control limits can be set with keys Display items One of Refractive Index nD Brix CH1 to 3 and Concentration Temperature C Display method Seven segment LED Output items Refractive Index nD Brix CH1 to 3 Selected Concentration Scale Temperature C Output method DC4 to 20mA RS 232C Alarm output ...

Страница 55: ...play section Weight 3 3kg Dimensions are approximate 192 240 100 2 3 10 2 φ6 5 224 180 156 6 224 183 6 208 50 22 5 182 1 0 210 1 0 31 8 Prism base Sapphire Prism head SUS316L External pipe SUS316L Cooling fin AL Lid for cooling fin AL Temperature sensor ...

Страница 56: ...nd tampered with the components within the casing the warranty will be invalidated and a charge for repair will be assessed The prism is considered a consumable item Therefore any damage to the prism is not covered under the warranty and is subject to a possible inspection fee ATAGO does not warrant malfunctions resulting from user s actions regardless of the warranty period Any abuse or use outsi...

Страница 57: ...e Center nearest you The Authorized Service Center in your area will contact you within 1 to 2 business days North America Europe Canada U S A Mexico Netherlands Italy Germany France Spain U K Belgium Poland Greece Russia Belarus Ukraine Serbia Croatia Romania Denmark Central America Middle East Africa Asia Oceania Costa Rica El Salvador Guatemala Panama South America Argentina Bolivia Brazil Colo...

Страница 58: ... TEL 91 22 28544915 40713232 customerservice atago india com TEL 66 21948727 9 66 21171549 customerservice atago thailand com TEL 55 16 3913 8400 customerservice atago brasil com TEL 39 02 36557267 customerservice atago italia com TEL 86 20 38108256 info atago china com TEL 7 812 777 96 96 info atago russia com TEL 234 707 558 1552 atagonigeria atago net TEL 7 727 257 08 95 info atago kazakhstan c...

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