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Tamson Instruments TV12, User Manual

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Tamson Instruments TV12 User Manual Download Page 19

 

 

www.tamson.com 
[email protected]

 

 

van 't Hoffstraat 12 
2665 JL Bleiswijk, The Netherlands 
T. 31 (0) 10 522 43 73 

tv12-man Rev 2.0 UK 1017 

 

Tamson Instruments bv 

Page 19/29 

 

ISO 9001 : 2015 
NL/PRO 238239125 

 

VAT: NL 80 66 34 984 B01 

Bank account no.:  

NL28 INGB 0007 350 370 

NL95 RABO  0160100046 

Chamber of commerce 27 16 95 41 

 
 
 
 

On 
Off 
Standard value: On 
 

Menu item "Temp units" 

°C 
°F 
Standard value: °C 
 
 

Menu item "Baudrate" 

300 
600 
1200 
2400 
4800 
9600 
19200 
38400 
Standard value: 9600 
 
 

Menu item "Offset 0.005" 

This  menu  item  (optional)  offers  an  additional  offset  of 
0.005°C. The value of 0.005°C is added to the selected SP 
value. The SP can be selected with 0.01°C accuracy. 
 
 
 

Menu item "Restart" 

Restarts system and activates tuning 
 

 

Summary of Contents for TV12

Page 1: ...swijk The Netherlands T 31 0 10 522 43 73 tv12 man Rev 2 0 UK 1017 Tamson Instruments bv Page 1 29 ISO 9001 2015 NL PRO 238239125 VAT NL 80 66 34 984 B01 Bank account no NL28 INGB 0007 350 370 NL95 RA...

Page 2: ...UCTION 13 6 3 STIRRER 13 6 4 TEMPERATURE CONTROL AND SETTING 13 6 5 SAFETY SYSTEMS 14 6 6 ADJUSTING THE MECHANICAL OVER TEMPERATURE PROTECTION THERMOSTAT 14 6 7 FRONT PANEL 14 6 8 OVERVIEW MENU ITEMS...

Page 3: ...quipment or its accessories caused by incorrect operation Important When performing service maintenance or moving the apparatus always disconnect the apparatus at the mains socket Proper skilled and t...

Page 4: ...condensating Atmosphere Not suited for altitudes above 2000m or explosive corrosive environment Pollution cat 2 Conducting pollution must be prevented 4 INSTALLATION 4 1 Important Tamson Instruments...

Page 5: ...38239125 VAT NL 80 66 34 984 B01 Bank account no NL28 INGB 0007 350 370 NL95 RABO 0160100046 Chamber of commerce 27 16 95 41 holders etc Please see the packing list for details concerning total conten...

Page 6: ...fluid is low enough at the operating temperature The viscosity must be below 10 mm s High viscosity will result in poor stability as well as poor uniformity of the bath The fluid flash point must be w...

Page 7: ...evel Minimum level The heating element must be fully covered by the bath fluid The heating element will be damaged when not fully submerged in the bath fluid The practical minimum level is indicated b...

Page 8: ...If the fluid level is too high it will leave the bath via the overflow outlet 14mm outher diameter pipe Prevent fluid from the overflow outlet entering the backside of the TV12 For this reason the ov...

Page 9: ...ifetime The type brand and operating temperature mainly determines lifetime Spilling of sample may also reduce lifetime in some cases can start chemical reactions Silicon oil has the tendency to form...

Page 10: ...hot Always use heat protective gloves Care must be taken when placing or re moving material from the bath Pay attention when removing hot fluid Use heat protective clothing and wear gloves and safety...

Page 11: ...9125 VAT NL 80 66 34 984 B01 Bank account no NL28 INGB 0007 350 370 NL95 RABO 0160100046 Chamber of commerce 27 16 95 41 Do not spill water in hot oil Never empty hot oil into a plastic container Heat...

Page 12: ...below ambient it is necessary to pass a small amount of tap water through the cooling coil Generally the temperature of the cooling coil water should be 5 degrees or more below the desired operating...

Page 13: ...rature distribution within the bath 6 4 Temperature control and setting The bath temperature is regulated using a Pt 100 temperature probe Class A connected to a microprocessor module The advanced ele...

Page 14: ...example oil to be heated above flaming point which will cause fire or prevent evaporation of bath fluid due to high temperatures The thermostat will automatically reset when the bath temperature drops...

Page 15: ...m High alarm PID parameter PID set 1 PID set 2 PID set 3 PID set 4 Each PID set offers settings for Proportional band value Pb 1 P where P is proportional value Integral value Differential value Backl...

Page 16: ...isplayed value increases to a stable readout appears after a few seconds Ad 2 The controller calculates every second the amount of power which should be applied for stable control The value is display...

Page 17: ...en acquired using following PID settings Pb 25 I 16 D 0 Under different settings its possible to achieve even better values by trimming the PID settings Place the bath spirit level The four supporting...

Page 18: ...d to select time to tune The option precise has to be used to reach maximum temperature accuracy Options are Fast 60 seconds Medium 120 seconds Slow 180 seconds Precise 240 seconds Standard value Prec...

Page 19: ...350 370 NL95 RABO 0160100046 Chamber of commerce 27 16 95 41 On Off Standard value On Menu item Temp units C F Standard value C Menu item Baudrate 300 600 1200 2400 4800 9600 19200 38400 Standard val...

Page 20: ...L95 RABO 0160100046 Chamber of commerce 27 16 95 41 8 1 PID settings Following shows influence on stability with different PID settings Temperature 75 C Proportional band Pb 25 Integrator 16 Different...

Page 21: ...with the use of the Ziegler Nichols method described below With the proces at its normal proces value Set the integral time Ti and the derivative Time Td to off Check if the Lcb and Hcb are set to aut...

Page 22: ...46 Chamber of commerce 27 16 95 41 8 3 Precision of control Temperature 40 C Proportional band Pb 25 Integrator 16 Differentiator 0 Min max 0 008 C Temperature 50 C Proportional band Pb 25 Integrator...

Page 23: ...007 350 370 NL95 RABO 0160100046 Chamber of commerce 27 16 95 41 Temperature settling times When the bath temperature is disturbed i e when viscometer holders are placed the electronic regulation will...

Page 24: ...is distributed rather randomly More sophisticated systems have controlled flow by using a baffle plate This still does not prevent horizontal and vertical temperature fluctuations The special heating...

Page 25: ...is not turning The motor fuse is activated Restart the motor by pressing the motor fuse This fuse is located at the backside of the top casing Also check viscosity of the bath fluid High viscosity wi...

Page 26: ...h the cooling coil If the operating temperature is far above the ambient temperature it is most likely that the viscosity of the bath fluid used is too high The maximum viscosity of the bath fluid lie...

Page 27: ...e 0 6 Amp 06T0512 06T0522 PCB Mains board with filter and relay 25T0351 Heater W 24T8581 Over temperature protection thermostat 24T8545 Mains switch 24T8546 Protective cover mains switch 28T4019 Front...

Page 28: ...HS Directive 2011 65EU p b EN61010 2 010 Safety requirements for electrical equipment for measurement control and laboratory use Particular require ments for laboratory equipment for the heating of ma...

Page 29: ...Conditions of use and suitability of the product for particular uses are beyond our control all risks of use of the product are therefore assumed by the user We expressly disclaim all warranties of ev...

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