Summary of Contents for TP 38 165

Page 1: ...Operating instructions Precision Temperature Calibrator TP 38 TP 38 E...

Page 2: ...e scope of delivery 11 4 9 Optional Accessories 11 4 10 DKD Calibration Certificate 12 5 Commissioning of the calibrator 13 5 1 Intended use 13 5 2 Checks and activities prior to commissioning 13 5 3...

Page 3: ...ontrollable metal block that is capable of heating and cooling The metal block features the holder for the probe You have to enter a setpoint value via an operator panel The nominal and actual values...

Page 4: ...ate the calibrator when it is in correct fully functional condition The calibrator is energized with hazardous voltages via a mains cable Improper use can result in personal injuries Correct and safe...

Page 5: ...alibrator may topple over If the calibrator is not used for an extended period of time humidity may penetrate into the heating element due to the material used magnesium oxide After transporting or st...

Page 6: ...ction cable Test certificate Operating instructions 4 Structure of the temperature calibrator 4 1 Overview of components The temperature calibrators consists of a control unit with operator panel and...

Page 7: ...temperature is 30 C at an ambient temperature of 23 C Calibrator TP 38 650 TP 38 650 E The TP 38 650 TP 38 650 E calibrators for temperature ranges from ambient temperature up to 650 C work with resis...

Page 8: ...It performs the tasks of an external measuring instrument and displays the temperature directly on the calibrator display Our precision temperature calibrators are available in two different configur...

Page 9: ...erence is automatically detected by the calibrator i e the calibrator provides values of the external reference RTD resistance thermometers TC termocouples mA mA transmitter switch temperature switche...

Page 10: ...warning symbol It means Caution general point of hazard Two examples for type label 4 6 Components of the calibrator bottom The power socket with integrated safety fuses are arranged in the bottom of...

Page 11: ...ter to be checked and the metal block is as small as possible If the diameters of your thermometers differ please order the desired adaptor insert with an internal bore matching the diameter of your t...

Page 12: ...data Serial test e g for incoming goods inspection External calibration reference Hand sensor appropriate for TP 38 with internal measuring instrument Customer specific linearization through EEPROM M...

Page 13: ...owing The calibrator must be connected to a power circuit with minimum risk of a power failure since it will no longer be possible to supply cooling air in the case of a power failure All the bores of...

Page 14: ...the calibrator is not used for an extended period of time humidity may penetrate into the heating elements due to the material used magnesium oxide After transporting or storing the calibrator in a hu...

Page 15: ...are only possible by calibrators with an integrated measuring instrument TP 38 Display on the left hand side of the info line Description Control Operation in control mode Calibrate Calibr RTD Calibr...

Page 16: ...tatuses Heating when the temperature in the block is increased Cooling when the block is cooled Stable when the temperature in the block has set to a constant value for stability refer to the technica...

Page 17: ...es including sign and decimal places Always confirm by pressing the Enter key Use the Clear key to delete an entry The Back key saves the selected and entered values and settings The save process is b...

Page 18: ...e internally stored serial number are displayed Displayed for 5 s only Fig 3 Info windows with start datas 6 3 Description of the control mode After approx 5 s the calibrator will automatically switch...

Page 19: ...he minimum and maximum value is enabled The min and max values can be reset at any time by pressing the ENTER key In Control mode a control response time on the right hand side of the info line cannot...

Page 20: ...Calibr and behind if a resistance thermometer RTD a thermocouple TC or a current output mA is connected Calibr RTD A resistance thermometer was connected as probe and selected Calibr TC A thermocouple...

Page 21: ...external reference not connected Difference probe block temperature internal reference Fig 8 Probe not selected and external reference connected Difference external reference temperature set point Fi...

Page 22: ...ormation on the settings please refer to 6 5 1 6 5 2 6 5 3 6 5 4 6 5 6 6 5 5 6 5 7 6 5 8 6 5 9 Fig 9 Select mode with maximal possible displays Info Line Only one display is possible in the info line...

Page 23: ...de in this menu Make your selection using the cursor keys Activate your selection using the Select key If the check or calibration of an RTD resistance thermometer is enabled with ON operation will be...

Page 24: ...r keys Activate your selection using the Select key If the check or calibration of a TC thermocouple is enabled with ON operation will be initiated in calibr TC mode Fig 11 Submenu select TC Switching...

Page 25: ...ter with an output signal of 0 20 mA T 4 mA T 20 mA Temperature transmitter with an output signal of 4 20 mA Setting options The temperature value is entered using the block of 14 keys The temperature...

Page 26: ...ion of a temperature switch is enabled with ON operation will be initiated in switch test mode Fig 13 Submenu select switch Switching test ON OFF In the second line you can switch the switch test on o...

Page 27: ...as Temp 2 The calibrator will then approach the programmed removal temperature with the maximum gradient The hysteresis results from the absolute value function T2 T1 The modifications max gradient to...

Page 28: ...lect steps Switching ON OFF In the first line you can switch the step test ON respectively OFF Switching ON Activation of field upward and or of field down characterizes the possibility of multiple ch...

Page 29: ...cy of 0 1 K after the temperature set point has been reached the duration must be set to 5 min and the tolerance to 0 1 K In this case the timer will start when the actual temperature differs by less...

Page 30: ...ions set 1 until 8 You make the selection with the cursor keys The activation deactivation takes place with the select key Fig 15 Submenu select logger OFF ON Here you can switch the DataLogger on res...

Page 31: ...cted values Go to the menu point step function and program the desired step test now like in cap 6 5 5 described and start it Select again the menu point DataLogger The calibrator starts the step test...

Page 32: ...variance specifies the numeric value of the controlled block temperature stability The value 0 e g means there is no scattering If an external reference is connected the variance is based on this ext...

Page 33: ...entered using the block of 14 keys The values entered are confirmed using the ENTER key The Clear key can be used to delete the selected numeric value Language In the first line you can select the des...

Page 34: ...whether your calibrator was frequently operated in the vicinity of the setting range limits 6 5 9 Select info menu After selecting the info menu item in Select mode using the cursor key and confirming...

Page 35: ...e switch test mode Switch test mode is displayed only if an internal measuring instrument is available and switched on For a detailed description of the switch test program please refer to chapter 6 5...

Page 36: ...The following can be used as probes RTD resistance thermometer TC thermocouples mA temperature transmitter To call up the step test mode without probe you have to select the Select Stufen Select level...

Page 37: ...2 Replacing the adaptor inserts Caution Risk of burns The adaptor inserts may reach temperatures of up to 650 C Remove the inserts only when they have cooled Let the calibrator cool Use an insert remo...

Page 38: ...tions for recalibration intervals of temperature calibrators since these depend on the conditions of application and are thus in the responsibility of the user Independent of this fact we recommend an...

Page 39: ...s in a dry place and protect them against dust The ambient temperature for storage must be between 10 C and 80 C 11 Care and Maintenance Always keep the TP 38 TP 38 E clean and never leave them in dus...

Page 40: ...Accuracy of the heating block controller 0 03 K Gradients axially above 4 cm at 160 C 0 06 K axially above 4 cm at 35 C 0 04 K Digital actual value display monochrome display with graphics capabilitie...

Page 41: ...cy of the heating block controller 0 1 K Gradients axially above 4 cm at 600 C 0 4 K axially above 4 cm at 100 C 0 06 K Digital actual value display monochrome display with graphics capabilities with...

Page 42: ...to 75 C 1 35 min 25 C to 50 C 2 05 min 75 C to 50 C 1 59 min 50 C to 75 C 2 31 min 50 C to 25 C 2 47 min 75 C to 100 C 3 11 min 25 C to 0 C 3 55 min 100 C to 125 C 4 17 min 0 C to 15 C 4 09 min 125 C...

Page 43: ...ent Temperature TU 25 C 90 00 up to 850 00 C 0 005 of the final value 0 01 C NiCr NiAl DIN EN 60584 1 90 00 up to 999 99 C 0 007 of the final value 0 01 C 1 000 0 up to 1 370 0 C 0 005 of the final va...

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