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ATAGO Twilight AT-CM800a, Инструкция по эксплуатации

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13. Setting the Temperature Correction Values 

●About temperature correction 

The Refractive Index of every substance varies with the temperature. When measuring the Refractive 
Index of a liquid with a refractometer, the measurement value will also vary according to the sample 
temperature. 
The CM-800α  detects the temperature of the prism, and the Brix(%) indication values are automatically 
corrected based upon the preset temperature correction values. When the sample temperature is within 
the range of 5 to 100℃, the Brix(%) values are automatically compensated for temperature. 

 

●Setting the temperature correction values for the CM-800α 

When the CM-800α  is shipped from the factory, the temperature correction values for sucrose have 
been set as the default. (C Table 13-1 page 27) 
Fig.13-1 lists the temperature correction values for temperatures between 15 to 40℃. 
However, temperature correction values for 5 to 100℃  have been set on the CM-800α. 
If sugar is the main constituent of soluble solids in the sample, these values can be used as they are. 
If the temperature correction factor is changed inadvertently, refer to page 28 "Inputting Temperature 
Correction Factor". By utilizing these instructions, it is possible to set the temperature correction factor 
back to "1.00". 

 

●Setting procedure 

If the main constituent of the sample is not sucrose, a different temperature correction value must be set. 
To set a new temperature correction value, you must determine the relationship between the temperature 
correction factor for sucrose and your desired sample. The temperature correction factor for sucrose is 
1.00. When a new temperature correction factor is input, this factor is multiplied by the temperature 
correction factor for sucrose. 
The temperature correction factor can be set in the range of 0.80 to 5.00. 
 
EXAMPLE : 
If the Refractive Index variation of a sample due to temperature is 3 times larger than that of sucrose, the 
temperature correction factor should be set to 3.00. 
 

 

Содержание Twilight AT-CM800a

Страница 1: ...Refractómetro en línea AT CM800a ...

Страница 2: ...3564 E03 IN LINE BRIX MONITOR Instruction Manual Cat No 3564 ...

Страница 3: ......

Страница 4: ...one 17 2 When the AC adapter AD 32 AD 33 or AD 34 Optional is used 18 8 External Output 19 1 Recorder output 19 2 RS 232C output 20 9 Power Supply 22 1 When the CM 800α is used alone 22 2 When the AC adapter AD 32 AD 33 or AD 34 optional is used 22 10 Measuring Brix 23 11 Setting the Measurement Interval and Mode S Level Changing the Number of Decimal Places Displayed 24 1 Setting the Measurement ...

Страница 5: ... the following pages Explanation of indications WARNING If this indication is neglected and the instrument is handled incorrectly serious 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 ar...

Страница 6: ... ATAGO Distributor for an inspection Do not attempt to repair modify or disassemble the instrument yourself Improper servicing may result in fire electrical shock or burns If the instrument is dropped or is subjected to a strong shock have it inspected by an Authorized ATAGO Service Center Fire or malfunction may result if the instrument is used CAUTION Do not apply water or sample to any part of ...

Страница 7: ...t is not to be used for a long period of time If the AD adapter AD 32 AD 33 or AD 34 optional is used disconnect the power cable plug from the AC 100 240V outlet When transporting the instrument pack it in the original box When transporting by aircraft disconnect the power DC24V cable or the DC output cable of the AC adapter AD 32 AD 33 or AD 34 optional from the power input terminal of the CM 800...

Страница 8: ...k or burn For repair service of the power cable and plug contact an Authorized ATAGO Service Center Do not cut a plug to extend the power cable of the AD 32 AD 33 or AD 34 CAUTION Do not insert or pull out the connector and plug with wet hands When disconnecting the power cable of the AC adapter AD 32 AD 33 or AD 34 optional from the AC 100 240V outlet remove by pulling on the plug only Pulling th...

Страница 9: ... power DC24V prior to connecting cables to the individual units If the AC adapter AD 32 AD 33 or AD 34 optional is used pull out the power cable plug from the AC100 240V outlet before connecting Connecting the cables while the power is on may result in electrical shock ...

Страница 10: ... the temperature is extremely low Do not leave the instrument in a damp place Do not place or drop heavy objects on the instrument Use this instrument under the condition where humidity is 80 at 31 or lower falling linearly to 50 at 40 Main supply voltage fluctuation should not to exceed 10 the nominal voltage Installation categories Overvoltage Categories ｌｌ The pollution degree is 2 according to...

Страница 11: ...Generally expressed as nD 1 33299 m The Refractive Index is based upon the supposition that the Refractive Index in a vacuum is 1 and is called the absolute Refractive Index Generally however this index is seldom used 3 Brix scale The CM 800α 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 expres...

Страница 12: ...The AD 33 is an adapter that converts AC 110V to DC24V for supplying power to the CM 800α The AD 34 is an adapter that converts AC 220 240V to DC24V for supplying power to the CM 800α Sample inlet unit IDF ISO clamp union ferrule IDF ISO screw union screw JIS Flange small diameter series compression fitting and hose connector are available Refer to page 34 17 Consumable Parts and Optional Items Re...

Страница 13: ...o exceed 10 50 60Hz with the power cable The CM 800α should be supplied with DC24V allowable fluctuation is 10 The AC adapter AD 32 AD 33 or AD 34 optional should be connected to a power supply of AC 100 240V 50 60 Hz The CM 800α should be installed in a location with an ambient temperature of 5 to 40 Because the CM 800α incorporates highly precise components DO NOT install in locations exposed to...

Страница 14: ... the electric circuit from overheating Mounting screw locations Used to mount the CM 800α to the stand Operation display Comprised of the operation keys and display C 2 Operation Display page 12 Power DC24V input terminal Terminal to connect the power cable for DC24V input or the DC output cable of the AC adapter AD 32 AD 33 or AD 34 optional RS 232C output terminal Terminal to connect to a comput...

Страница 15: ...output upper limit value 5 Changing the Number of Decimal Places Displayed Up and down keys Increase or decrease the value in each setting mode The down key also switches the display of each setting mode The temperature is displayed when press the down key while measuring a sample 3 AC Adapter AD 32 AD 33 or AD 34 Optional Power cable Connects to the AC 100 240V outlet DC output cable Connects to ...

Страница 16: ... screws supplied with the stand to mount the CM 800α and AD 32 AD 33 or AD 34 on the stand or panel plate The depth of the screw locations is 10mm M6 Example of screw configuration Fig 5 3 CM 800α or AD 32 AD 33 or AD 34 Washer M6 Spring washer M6 Hexagonal head bolt M6 10 m Hexagonal head bolts spring washers and washers are included as standard accessories with the stand optional NLength of the ...

Страница 17: ...before beginning Electrical shock may occur if the unit is mounted with the power connected CAUTION Ensure that the prism is clean and free of any damage and or scratches Completely remove any sample before installing the CM 800α to piping or equipment 1 Installation of the CM 800α with the sample inlet unit optional Compression Fitting Hose connector Straight type L type Fig 6 1 ...

Страница 18: ...rface may become contaminated with solids dirt and or grease If this happens the prism surface must be cleaned by hand C 15 Cleaning the Prism page 32 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 NSuspending the CM 800α 2 3kg when using the sample inlet unit to connect to the piping is dangerous Use of the option...

Страница 19: ... without the sample inlet unit optional Please note the following when installing the CM 800α to piping or equipment without using a sample inlet unit optional The size of the prism stage of the CM 800α is a 3S ferrule The ferrule connection is recommended for installation Install the CM 800α so that the prism surface is at a right angle to the ground Connect the unit to the piping so that the sam...

Страница 20: ... DC24V input cable connector provided to the power DC24V input terminal located at the bottom of the CM 800α Connect the opening of the input terminal with the connector pin and insert the connector Then fasten the connector by turning the connector ring clockwise To disconnect the power cable fully turn the connector ring counterclockwise and remove the connector Connect the power DC24V input cab...

Страница 21: ...he connector pin and insert the connector Then turn the connector ring clockwise to fasten the connector To disconnect the DC output cable fully turn the connector ring counterclockwise and remove the connector m At this stage keep the plug disconnected from the AC 100 240V outlet m When AD 32 AD 33 or AD 34 is used the power DC24V input cable provided with the CM 800α is not used Fig 7 3 AD 32 AD...

Страница 22: ...r output The Recorder Output provides a 4 to 20mA signal of the Brix open circuit voltage is approx 5V The Brix range to be output through the 4 to 20mA signal is set as described in Chapter 14 Setting the Recorder Output See page30 To utilize the 4 to 20mA signal connect the Recorder Output Cable optional to the Recorder Output terminal on the CM 800α Recorder output cable and code table Pin No C...

Страница 23: ...an 15 meters RS 232C output cable and code tables Fig 8 2 Pin No Code color 1 Black 2 Black Silver 3 Red 4 Shield Pin No Code color Signal name 2 Black Silver TXD 3 Black RXD 4 5 Fold 7 Red S GND 1 Shield F GND Communications parameters BAUDRATE 2400bps DATA LENGTH 7bits PARITY Even STOP BIT bit 1 Fig 8 2 Approx 2cm Waterproof connector plug 1 to 15m Clamp filter D sub DB 25P connector 1 2 3 4 Cab...

Страница 24: ... 80 50 Example Display Brix 06 30 6 30 25 00 25 0 LL LL 2 01 or less HH HH 80 51 or higher EE EE Error Temperature The temperature display range is 00 5 to 130 0 Example Display Temperature 00 6 0 6 or less 023 5 23 5 120 0 120 0 130 0 130 1 or higher Refractive index Display Refractive index LL LL L LLLLL HH HH H HHHHH EE EE E EEEEE ...

Страница 25: ... AD 32 AD 33 or AD 34 to an outlet be sure to connect the ground m The CM 800α has no power switch When power is supplied to the CM 800α the measurement value display illuminates and the Brix measurement commences 1 When the CM 800α is used alone Confirm that the power DC24V input cable is properly connected to the CM 800α and the DC24V power supply When the DC24V power is supplied the CM 800α tur...

Страница 26: ...r limit value of wetted parts temperature is 30 If the sample solution could potentially stain the prism immediately clean the prism after measurement following the instructions on page 32 of this instruction manual When power is supplied to the CM 800α the Brix measurement starts m The CM 800α has no power switch The Brix value will be displayed when sample flows onto the prism surface If there i...

Страница 27: ...he measurement stability of samples that may have conventionally resulted in fluctuating readings There are 5 levels wherein the larger the number is the better the stability For samples that give stable readings the factory default level 1 is sufficient Emulsions or opaque samples and or temperature fluctuations may cause measurements to become unstable Try adjusting the Mode S level when this oc...

Страница 28: ... the Brix value blinks adjust the value to 0 0 for distilled water or to the true value for the reference sample by using the and or keys Fig 12 2 Pressing the sets the adjustment and the display returns to 1 Fig 12 1 Each time the is pressed the menu item displayed switches in the order of 2 3 4 5 and Brix Select Brix NIf 30 seconds pass when in steps through above the display returns to the cont...

Страница 29: ...n values for 5 to 100 have been set on the CM 800α If sugar is the main constituent of soluble solids in the sample these values can be used as they are If the temperature correction factor is changed inadvertently refer to page 28 Inputting Temperature Correction Factor By utilizing these instructions it is possible to set the temperature correction factor back to 1 00 Settingprocedure If the mai...

Страница 30: ...8 0 38 0 37 26 0 42 0 43 0 44 0 45 0 46 0 46 0 47 0 47 0 48 0 48 0 48 0 48 0 48 0 47 0 47 0 46 0 46 0 45 27 0 50 0 51 0 52 0 53 0 54 0 55 0 55 0 56 0 56 0 56 0 56 0 56 0 56 0 55 0 55 0 54 0 53 0 52 28 0 58 0 59 0 60 0 61 0 62 0 63 0 64 0 64 0 64 0 65 0 65 0 64 0 64 0 63 0 63 0 62 0 61 0 60 29 0 66 0 67 0 68 0 70 0 71 0 71 0 72 0 73 0 73 0 73 0 73 0 73 0 72 0 72 0 71 0 70 0 69 0 67 30 0 74 0 76 0 7...

Страница 31: ...on the display Fig 13 2 If 1 00 is displayed the temperature correction value is for sucrose To change this setting press the or keys until the desired factor is displayed Pressing the key sets the adjustment of the temperature correction factor and the display returns to 2 Fig 13 1 Each time the key is pressed the menu item displayed switches in the order of 3 4 5 and Brix Select Brix NIf 30 seco...

Страница 32: ...e value B value D value C value 4 Factor D value C value Set the obtained temperature correction factor according to the procedure described on page 28 Any value in the range of 0 80 to 5 00 can be set as the factor NTo obtain the true value Brix of the sample measure the sample with a benchtop refractometer that can control the temperature through a waterbath or Internal Peltier Thermo module The...

Страница 33: ...power according to the procedure described on page 22 section 9 Power Supply The current Brix is displayed on the screen If there is no sample on the prism surface LL L will be displayed Press the key for one second 0 is displayed Press the key again and the display will change to 1 Press the key again to display 3 Fig 14 1 Press the key The current lower limit value will blink on the display Fig ...

Страница 34: ...played switches in the order of 5 and Brix Select Brix NIf 30 seconds pass when in steps through above the display returns to the continuous display of the Brix m Recorder Output when an error message is displayed Please take note of the recorder output signal when an error message is displayed on the CM 800α unit Error Message Recorder Output LL L 4mA HH H 20mA EE E 20mA Corresponds displayed Bri...

Страница 35: ...f the AD 32 AD 33 or AD 34 is used unplug from the outlet before cleaning Detach the clamp 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 th...

Страница 36: ...x 0 0 to 80 0 Confirm that the error code HH H is replaced by the known Brix HH H The prism surface is dirty Run a sample with a Brix that is known to be within the indication range Brix 0 0 to 80 0 If HH H continues to be displayed the prism surface may need to be cleaned Clean the prism carefully as described on page 32 A sample with a Brix that significantly exceeds the upper limit value of the...

Страница 37: ... 34 Cat No 3529 Converts the AC 220 240V to the DC24V and supplies the power to the CM 800α Hose connector RE 67501 Outside diameter of the Hose connector 12mm φ Compression Fitting RE 67503 Compression fitting 10mmφ RE 67511 1S RE 67512 1 5S Straight type IDF ISO clamp union ferrule RE 67521 2S Straight type IDF ISO screw union screw RE 67523 2S RE 67515 25A Straight type JIS Flange RE 67525 40A ...

Страница 38: ...7 1 34325 27 1 37582 47 1 41385 67 1 45822 8 1 34477 28 1 37758 48 1 41592 68 1 46061 9 1 34629 29 1 37936 49 1 41799 69 1 46303 10 1 34782 30 1 38115 50 1 42009 70 1 46546 11 1 34937 31 1 38296 51 1 42220 71 1 46790 12 1 35093 32 1 38478 52 1 42432 72 1 47037 13 1 35250 33 1 38661 53 1 42647 73 1 47285 14 1 35408 34 1 38846 54 1 42863 74 1 47535 15 1 35568 35 1 39032 55 1 43080 75 1 47787 16 1 35...

Страница 39: ...output DC 4 to 20mA Any value between Brix 1 through 80 can be set RS 232C output Source LED D line approximation Temperature sensor Thin film platinum sensor Materials in contact with the solution Prism Artificial sapphire Prism stage SUS316 Wetted parts materials 30 to 150 Resistible pressure on the prism unit 0 98MPa 10kgf cm2 International Protection Class IP64 Power supply 100 to 240V 50 60Hz...

Страница 40: ... 37 20 Dimensions CM 800α Front display unit Side Back detecting unit AD 32 AD 33 AD 34 Side Back Front ...

Страница 41: ...nd is not covered under the warranty All instruments received for repair are subject to a possible inspection fee If the unit is inspected and found to be either in good working order or is not covered by the warranty the customer will be responsible for any inspection fees repair costs including labor parts and materials use and shipping charges ReplacementPartInformation Please note that ATAGO c...

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Страница 45: ... LLÁMANOS 52 81 8115 1400 52 81 8173 4300 LADA Sin Costo 01 800 087 43 75 E mail ventas twilight mx INSTRUMENTOS DE MEDICIÓN INDUSTRIAL ...

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