TESTO 6781 Instruction Manual Download Page 74

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6 Tips and assistance

Pos: 103 /TD/Tipps und Hilfe/Zubehör und Ersatzteile/MUF63xx/Bestelloptionen MUF 6781 @ 3\mod_1239270048266_79.doc @ 31074 @ 3 @ 1

6.2.1.

Ordering options for testo 6781 transmitter (0555
6781)

Order code

Characteristic

Axx Process
connection

A01

Process connection G1/2

A02

Process connection NPT 1/2"

Bxx Analog
output/supply

B02

0 to 1 V (4-wire, 24 V AC/DC)

B03

0 to 5 V (4-wire, 24 V AC/DC)

B04

0 to 10 V (4-wire, 24 V AC/DC)

B05

0 to 20 mA (4-wire, 24 V AC/DC)

B06

4 to 20 mA (4-wire, 24 V AC/DC)

Cxx Display

C00 Without

display

C02 With

display/English

C03 With

display/German

C04 With

display/French

C05 With

display/Spanish

C06 With

display/Italian

C07 With

display/Japanese

C08 With

display/Swedish

Fxx Humidity variable

F01 °C

/Min/Max

F02 °F

/Min/Max

F03 %

RH/Min/Max

F04 %

RH/Min/Max

F05 °C

tdA

/Min/Max

F06 °F

tdA

/Min/Max

F07 ppm

(vol)/Min/Max

F08 g/m

/Min/Max

Summary of Contents for 6781

Page 1: ...testo 6781 Transmitter P2A software Parameterizing adjusting and analyzing Instruction manual ...

Page 2: ...2 ...

Page 3: ...ature Pos 4 TD Sicherheit und Umwelt Sicherheit gewährleisten Nicht mit Lösungsmitteln lagern 0 mod_1175692375179_79 doc 583 1 Do not store the product together with solvents Do not use any desiccants Pos 5 TD Sicherheit und Umwelt Sicherheit gewährleisten MUF 63xx Bei Wartung MUF nicht zur Regelung verwenden 3 mod_1234794852377_79 doc 26318 1 Do not use the instrument for control purposes at the ...

Page 4: ... damage to the products Keep this document to hand so that you can refer to it when necessary Hand this documentation on to any subsequent users of the product Pos 13 TD Sicherheit und Umwelt Zu diesem Dokument Symbole und Schreibkonventionen Warnhinweis WARNUNG 2 mod_1207646966234_79 doc 14398 1 WARNING Indicates potential serious injuries Pos 14 TD Sicherheit und Umwelt Zu diesem Dokument Symbol...

Page 5: ... With stainless steel measurement chamber max 35 000 hPa 19 4 3 1 3 With stainless steel measurement chamber and cooling coil max 35 000 hPa 20 4 3 1 4 Connecting voltage supply and analog outputs 20 4 3 1 5 Plug in connection for power supply and channel 21 4 3 2 Adjusting the instrument 21 4 3 2 1 Init phase during commissioning 21 4 3 2 2 Self adjustment 22 4 3 2 3 1 point adjustment by enterin...

Page 6: ...are 49 5 2 1 2 Installing USB driver 49 5 2 1 3 P2A software upgrade 49 5 2 2 Starting the software 49 5 2 2 1 Starting the program 49 5 2 2 2 Establishing a connection with the instrument 49 5 2 2 3 Activating the connection with the instrument 50 5 3 Using the software 50 5 3 1 User interface 50 5 3 2 Editing instrument parameter file 53 5 3 2 1 Changing instrument parameter file 53 5 3 2 2 Crea...

Page 7: ...s 7 6 Tips and assistance 72 6 1 Questions and answers 72 6 2 Accessories and spare parts 73 6 2 1 Ordering options for testo 6781 transmitter 0555 6781 74 Pos 18 TD Seitenwechsel 0 mod_1173774430601_0 doc 283 1 ...

Page 8: ...compressed air or granulate driers Pos 22 TD Leistungsbeschreibung Lieferumfang MUF 63xx MUF 6781 3 mod_1238162497483_79 doc 30275 3 1 4 1 2 Scope of delivery The scope of delivery of the testo 6781 transmitter includes the following Assembly accessories Operating instructions Calibration report CD ROM with operating instructions PDF and P2A update this can only be used in conjunction with the P2A...

Page 9: ...peratures between 35 Ctd and 0 Ctd differences between the 6781 and a dew mirror hygrometer may occur 2 Expanded basic uncertainty K 2 at a process temperature of 25 C Measuring uncertainty according to GUM Guide to the Expression of Uncertainty in Measurement ISO guideline for determining the measuring uncertainty in order to render global measurement results comparable The following uncertaintie...

Page 10: ...olution 0 to 100 RH 0 001 0 001 to 28 g kg 0 001 0 01 to 194 gr lb 0 01 0 to 31 g m 3 0 001 0 001 to 14 gr ft 3 0 001 0 1 to 9999 9 ppm vol 0 1 90 to 20 Ctd 0 1 130 to 4 Ftd 0 1 110 to 30 CtdA 0 1 165 to 86 FtdA 0 1 40 to 70 C 0 01 40 to 158 F 0 01 Meas cycle 1 sec Interface Mini DIN for P2A software adjustment and parameterization software Voltage supply 4 wire separate signal and supply lines 20...

Page 11: ...utput 0 to 1 V 1 5 mV 4 wire or 0 to 5 V 7 5 mV 4 wire or 0 to 10 V 15 mV 4 wire or 0 to 20 mA 0 03 mA 4 wire or 4 to 20 mA 0 03 mA 4 wire Resolution of analog output 12 bit Display 2 line LCD with plain text line optional Operating temperature without display 40 to 70 C Operating temperature with display 20 to 70 C ...

Page 12: ... 0 5 kg Process connection G 1 2 or NPT 1 2 Protection class IP 65 only if the transmitter is wired and or sealing plugs are inserted Directives standards and tests EC Directive 2004 108 EC 6781 was manufactured in accordance with EC pressure equipment Directive 97 23 EC Article 3 Paragraph 3 as per sound engineering practice taking the regulations to be observed into account Warranty Duration 2 y...

Page 13: ...4 Transmitter 13 Pos 25 TD Leistungsbeschreibung Technische Daten MUF 63xx MUF 6781 Abmessungen 3 mod_1239806330094_79 doc 31183 3 1 4 1 5 Dimensions ...

Page 14: ...d a process pressure corresponding to the presetting of the measurement chamber 1 a measurement chamber 1 is required for the rapid assembly without de pressurizing the installation 1 Measurement chamber testo 6781 with G1 2 thread B With clean air and a process pressure greater than or less than 7000 hPa 1000 to 35 000 hPa that therefore does not correspond to the presetting of the inflow valve a...

Page 15: ...sary to use a cooling coil 5 and a measurement chamber 1 Connect a filter upstream for oily media Filter if necessary 5 Cooling coil 1 Measurement chamber testo 6781 with G1 2 thread F If A to E are not required The thread is screwed directly into the process De pressurized tube required during installation testo 6781 with G1 2 thread or testo 6781 with N1 2 thread Pos 28 TD Produktbeschreibung Üb...

Page 16: ...37217388492_79 doc 29723 1 The parameterizing socket mini DIN is located behind the service flap as an interface to the P2A software Pos 32 TD Produktbeschreibung Übersicht MUF 63xx Analogausgänge 635x 3 mod_1234774510463_79 doc 25726 3 1 4 2 5 Analog outputs As analog outputs the testo 6781 has either 1 current output of 0 to 20 mA 4 wire 4 to 20 mA 4 wire or 1 voltage output of 0 to 1 V 0 to 5 V...

Page 17: ...e instrument is applied as standard The transmitter even retains its scaling with the voltage disconnected Measuring range see table below 3 The maximum settings for the manual scaling The maximum limits can be calculated as follows X difference between MIN and MAX value of the standard scaling Max value of standard 50 of X Min value of standard 50 of X It is thus possible to scale beyond the meas...

Page 18: ...plication there are three different assembly options Assembly Application Without stainless steel measurement chamber and cooling coil Process temperatures 0 to 50 C Attachment of the sensor directly in the process possible No fast assembly dismantling of the testo 6781 required and sufficient inflow of the sensor 1 l min exists With stainless steel measurement chamber Process temperatures 0 to 50...

Page 19: ...en union nut 2 finger tight 4 Hold screw connection body 1 with a suitable spanner 5 Tighten union nut 2 slightly past the marking 4 An increased resistance can be felt when tightening 6 Close ventilation of the pipe section and pressurize the pipe section again 4 3 1 2 With stainless steel measurement chamber max 35 000 hPa 1 Screw process connection G1 2 of the testo 6781 transmitter into the th...

Page 20: ...dardized socket of the compressed air line Pos 37 TD Erste Schritte MUF 63xx Spannungsversorgung Analogausgänge anschließen 6781 3 mod_1239951683334_79 doc 31673 45 1 4 3 1 4 Connecting voltage supply and analog outputs Wiring diagram for 4 wire system 0 20 mA 4 to 20 mA 0 to 1 V 0 to 5 V 0 to 10 V 1 channel 0 20 mA 4 20 mA max load per 500 Ω 0 1V 0 5 V 0 10 V Requirement for the connecting cable ...

Page 21: ...ation phase for adjustment During this initialization phase any adsorbed moisture which has deposited in the sensor during transportation storage and on all surfaces of the compressed air system when opening and screwing in the transmitter is eliminated During this time the testo 6781 should be subjected to at least 2 self adjustment cycles see Self adjustment page 22 In order to achieve an adjust...

Page 22: ...pleted 4 self adjustment cycles After approx 5 hrs The reading Init phase disappears from the display the instrument has reached optimal capacity Pos 41 TD Erste Schritte MUF 63xx 1 Punkt Abgleich 6781 3 mod_1239794807174_79 doc 31163 44 1 4 3 2 2 Self adjustment Conventional residual moisture sensors reveal extremely increasing measurement uncertainties in case of low moisture values which are ma...

Page 23: ...are decisive over the duration of the self adjustment The process temperature should not vary by more than 0 5K The dew point temperature should remain stable as far as possible The process pressure should not vary excessively If these prerequisites cannot be fulfilled the values obtained during the last successful self adjustment will be maintained All adjustment processes are saved in the histor...

Page 24: ...me incl heating time calculation time cooling time is 30 minutes The cycle time can be edited via the operating menu or the P2A software see Setting cycle time of the self adjustment page 37 and Self adjustment page 59 Deactivating the self adjustment function of the testo 6781 will reduce measuring accuracy and should therefore be restricted to the shortest possible length of time The time until ...

Page 25: ...eved if at least two Self adjustment cycles are executed at dew point temperatures higher than 60 Ctd at dew point temperatures below 60 Ctd four Self alignment cycles are recommended 2 Measure the reference value and compare it with the measurement value obtained with the testo 6781 3 If the values deviate Enter the reference value via the operating menu see Enter reference value for 1 point adju...

Page 26: ...uchse aktiv 3 mod_1234454016014_79 doc 25213 3 1 4 4 1 Relationship between user menu and mini DIN socket is active The testo 6781 can be parameterized using either the user menu or the P2A software see Parameterizing adjusting and analyzing software P2A software page 47 The testo 6781 transmitter can only be operated via the display and keypad if the display option is available If the testo 6781 ...

Page 27: ...u Messages Main Menu Ident Main Menu Adjust Main Menu Reset 1 Display for messages 2 Channel 1 display Four keys enable the user to navigate scroll through the menus and enter amend values and settings Key Function description SET In Measuring Mode changes to parameterization In Parameterizing Mode confirms a selection or setting ESC Leaves a menu without modifying any settings Selecting scrolls t...

Page 28: ...4 Transmitter 28 Key Function description Selecting scrolls through menus upwards or selectable alternatives Editing increases the value of the current digit by 1 ...

Page 29: ...4 Transmitter 29 Pos 47 TD Produkt verwenden MUF 63xx Übersicht Bedienmenü 3 mod_1234510821302_79 doc 25303 3 1 4 4 4 Overview of the testo 6781 user menu ...

Page 30: ...4 Transmitter 30 ...

Page 31: ... ESC Scale minimum for channel 1 The lower scale limit is edited Unit as selected above Editing the value Scroll one digit to the right using and increase value of digit by 1 using Confirm with SET or abort entry with ESC Scale maximum for channel 1 The upper scale limit is edited Unit as selected above Editing the value Scroll one digit to the right using and increase value of digit by 1 using Co...

Page 32: ...nowledgement The triggering of a new alarm cannot be enabled until after the alarm status goes out 1 In the Measuring Mode press SET select Main Menu Alarm with or and confirm selection with SET Four alarms can be parameterized 2 Select Alarm x with or and confirm selection with SET Using alarm to monitor limit values Monitoring minimum Monitoring maximum Hysteresis Hysteresis Limit value Limit va...

Page 33: ...r not used Confirm selection with SET 2 If collective alarm is selected Select Visual alarm with or Select YES or NO with or Confirm with SET and return to Alarm x 3 Change to another alarm using or and perform settings in the same way 4 Return to Main Menu Alarm with ESC 5 Continue to Main Menu Settings with or or return to Measuring Mode with ESC Pos 50 TD Produkt verwenden MUF 63xx Hauptmenü Ei...

Page 34: ... MUF 63xx Hauptmenü Analyse bearbeiten 6781 3 mod_1241425854399_79 doc 32344 455 1 4 4 5 4 Editing Main Menu Analysis You can check the function of analog outputs In addition you can read off the minimum and maximum values since the last voltage supply or reset of the min max values Testing functionality of analog outputs This function affects the analog outputs directly not only the test contacts...

Page 35: ...5240318_79 doc 32203 4 1 4 4 5 5 Editing Message main menu Messages can be confirmed acknowledged the last messages can be called up and the display of the messages can be switched on or off 1 Message text 2 Additional information on the message 3 Message number example 4 7 refers to the fourth of seven messages 4 Number of messages present example 4 7 refers to the fourth of seven messages 5 Mess...

Page 36: ...F with or and confirm selection with SET 9 Return to Main Menu Message with ESC 10 Continue to Main Menu Ident with or or return to Measuring Mode with ESC An overview of the messages can be found in Status warning and error messages page 39 Pos 53 TD Produkt verwenden MUF 63xx Hauptmenü Ident abfragen 6781 3 mod_1239269378840_79 doc 31053 4 1 4 4 5 6 Calling up Main Menu Ident 1 Serial number 2 I...

Page 37: ...mp or Reference value Td with or 3 Press SET edit value Scroll one digit to the right using and increase value of digit by 1 using Confirm with SET or abort entry with ESC 4 Continue to Analog Adj Ch 1 with or 5 Continue with the adjustment of the analog outputs see below step 2 or press ESC to return to Main Menu Adjust Start self adjustment Please also refer to Self adjustment Seite 22 1 In the ...

Page 38: ...nfirm with SET and return to Error Signal 5 Continue to First delay with or see below step 2 or press ESC to return to Main Menu Adjust Performing analog adjustment Please refer to Analog output adjustment page 25 1 In the Measuring Mode press SET select Main Menu Adjust with or and confirm selection with SET Each channel is adjusted at three points in the analog range at 10 50 90 of the analog sc...

Page 39: ...t Device to factory settings is displayed 2 Select the setting to be reset using or and confirm selection with SET Reset Completed is displayed 3 Return to the reset setting with ESC or SET and return to Main Menu Reset with ESC 4 Continue to the Main Menu Channel 1 with or or return to Measuring Mode with ESC Pos 56 TD Überschriften MUF 4 5 Status Warn und Fehlermeldungen 3 mod_1234442925442_79 d...

Page 40: ...tion 01D19 Service plug The Mini DIN socket is connected to the USB adapter for P2A software the adjustment adapter or the service plug is not recorded no number 00300 New limit value The limit value has been changed or shifted 00301 Scaling changed The scaling has been changed 02104 Analog out adjust An analog adjustment has been made 00500 Transmitter reset The transmitter has been restarted 005...

Page 41: ...e minimum voltage required for the transmitter Take measures to ensure sufficient voltage supply 02822 T process high The process temperature exceeds the temperature designated for the probe Remove the probe from the process and take any necessary measures to lower the process temperature 02821 T process low The process temperature is below the temperature designated for the probe Take necessary m...

Page 42: ...dying of fault 01505 Watchdog error Due to a processor error the transmitter performs an automatic restart If the problem occurs frequently contact Testo Service 01115 Low adjustment temperature The ambient temperature is too low during the pressure adjustment Take necessary measures to raise ambient temperature e g through heating 01116 High adjustment temperature The ambient temperature is too h...

Page 43: ...larm 4 x Transmitter reset x Analog out adjust x T ambient high x x T ambient low x x Supply voltage low x x Watchdog error x T process high x x T process low x x Condensation x x 4 If multiple messages alarms are activated at the same time only the last message alarm is shown If this is cancelled the other messages that are still active are no longer displayed 5 The message can be assigned the co...

Page 44: ...larm the collective alarm is reset Pos 62 TD Produkt verwenden MUF 63xx Status Warnmeldungen Namur Fehlerbedingungen 6781 6 mod_1268728620410_79 doc 60323 3 1 4 5 1 Namur fault conditions If the faults named in the following table occur the analog outputs output special values that enable a general fault warning in the higher level control system The values correspond to the Namur industry standar...

Page 45: ...r signal Frozen measure ment value Error 20 75 mA 20 75 mA 1 05 V 5 25 V 10 5 V Pos 63 TD Überschriften MUF 4 6 Wartung und Reinigung 3 mod_1234443039129_79 doc 24982 2 1 4 6 Maintenance and cleaning Pos 64 TD Produkt instand halten MUF 63xx Gerät warten reinigen 6781 4 mod_1244646493414_79 doc 44985 33 1 4 6 1 Maintaining the instrument We recommend that the adjustment and settings of the transmi...

Page 46: ...n an ultrasonic bath Replace a heavily soiled protection cap with the same type of protection cap The accuracy is only maintained when the ordered protection cap is replaced by the same type of protection cap Sensor cleaning During sensor cleaning avoid any contact with the sensor Do not mechanically clean the sensor as otherwise the cover electrode may be damaged 1 Carefully unscrew protection ca...

Page 47: ...e www testo com Download P2A The software must only be bought one time even for owners of several testo transmitters 5 1 1 Functions and use In the P2A software two different file types are used The instrument and the parameter file Instrument file The parameters of a particular transmitter are stored in its so called instrument file Using this file the parameters can be edited and the instrument ...

Page 48: ... Internet Explorer 5 0 Software The P2A software must be purchased and installed separately from the transmitter If it is a new software version the transmitter is already supported completely Older P2A software versions can be updated via the P2A software upgrade cf product CD included with the transmitter Pos 70 TD Leistungsbeschreibung Lieferumfang MUF 63xx MUF 63xx P2A 3 mod_1234260991646_79 d...

Page 49: ...read the separate documentation that is enclosed with the USB driver CD 5 2 1 3 P2A software upgrade 1 Insert product CD supplied with the transmitter 2 Open Windows Explorer and start the file P2A upgrade exe on the product CD 3 Follow the directions of the installation wizard Pos 73 TD Erste Schritte MUF 63xx P2A Software starten 3 mod_1234261605199_79 doc 24142 3444 1 5 2 2 Starting the softwar...

Page 50: ...ent is shown in the file list 5 2 2 3 Activating the connection with the instrument Click on the desired instrument file The selected file is marked in colour and the connection with the instrument is activated If a connection with the instrument is established when the program is started the corresponding instrument file is marked automatically Pos 74 TD Überschriften MUF 6 3 Software verwenden 3...

Page 51: ... View Toolbar Status bar Activates deactivates the toolbar or status bar Check instrument connections Checks the connections to a connected instrument without the instrument having to be activated Service A text file with the most important information on the computer and the software is opened via Display service data Information Shows the version number of the P2A software 2 Toolbar Shows the Wi...

Page 52: ... after being transmitted to the instrument file 4 Function buttons Dialogues on editing and testing the instrument are opened by means of the buttons Change parameterization see Changing instrument parameter file page 53 Test analyze transmitter see Chapter Analyzing testing the transmitter page 62 Adjusting the transmitter see Chapter Adjusting the transmitter page 66 Transmitter history see Tran...

Page 53: ...e Serial number dialogue is opened with the Change parameterization register If the parameters were transmitted from other parameter files into the instrument file a message is shown with which you can transmit the new parameters to the connected instrument using Yes If the parameters should not be transmitted click on No 2 Change or enter parameters in the corresponding fields Pos 77 TD Produkt v...

Page 54: ...ust the analog output to the customer system Unit Selection of the physical unit When changing the unit standard values are set for scale minimum and maximum Signal delay graphic Curve changes according to the set signal delay Signal delay Time interval in stages 1 15 1 no delay 15 longest delay The signal delay is added to the reaction time of the sensor The signal delay shows averaging over the ...

Page 55: ... Alarm is not used Hysteresis image and input options are hidden Collective alarm If selected messages appear a collective alarm can be triggered Selection of the messages OR linkage by selecting the checkbox Min control If switched to ON NO contact or OFF NC contact under the limit value in the event of a subsequent exceeding of Limit value plus Hysteresis it is switched to OFF NO contact or ON N...

Page 56: ...t The graphic display in the centre of the screen refers to the relay wiring as a NO contact ON Hysteresis To avoid switching cycles Channel Selection of the channel that is to be monitored Limit value Values for the limits of the unit selected in Unit analog output 4 decimal places When changing the phys unit the limit values are set to the default values Visual alarm display Checkbox is activate...

Page 57: ...ible The response delay has no effect on the collective alarms Pos 79 TD Produkt verwenden MUF 63xx P2A Grundeinstellungen 6781 4 mod_1244205730179_79 doc 44535 5 1 Field Explanation Basic settings Setting the absolute pressure Absolute pressure The absolute pressure is included in the calculation of the following units Ctd or Ftd g kg or gr lb ppm vol Pos 80 TD Produkt verwenden MUF 63xx P2A Disp...

Page 58: ...s pressed the display lights up for 10 seconds Display brightness 0 to 9 Setting the brightness between 0 and 9 0 dark 9 light Display contrast 0 to 9 Setting the contrast between 0 and 9 0 low contrast 9 high contrast Display of the error messages Selection of whether the error messages should be shown in the display Display language Selection of the language New password The password consists of...

Page 59: ...ay of the current password Pos 81 TD Produkt verwenden MUF 63xx P2A Selbstabgleich 6781 4 mod_1244444184402_79 doc 44673 5 1 Field Explanation Self adjustment Setting the self adjustment Activation of self adjustment for transmitter Control box activated The self adjustment is executed in a set cycle Control box not activated The self adjustment is not executed ...

Page 60: ...tput signal during the self adjustment Settings during the Init phase Possibility to match the pre set Init phase in dependence on the process temperature Optimal accuracy is achieved if at least two self adjustment cycles are executed at dew point temperatures of 60 Ctd at dew point temperatures below 60 Ctd four self adjustment cycles are recommended Start self adjustment Start the self adjustme...

Page 61: ...s 84 TD Produkt verwenden MUF 63xx P2A Parameterdatei öffnen 3 mod_1234358634164_79 doc 24341 4 1 5 3 2 4 Opening the parameter file All parameter files stored in the standard directory path are automatically displayed in the file list when the software is started You can also open parameter files that are stored in other directories 1 Click on File Open in the menu bar 2 Select the storage locati...

Page 62: ...87 TD Überschriften MUF x x x Messumformer analysieren testen 3 mod_1237380874787_79 doc 29928 3 1 5 3 3 Analyzing testing the transmitter Pos 88 TD Produkt verwenden MUF 63xx P2A Messumformer analysieren testen _6781 4 mod_1244213023929_79 doc 44639 4 1 In this section you can test the outputs of the connected instrument read off the limit values and reset the parameters to the factory settings T...

Page 63: ...e Test analyze transmitter register 2 Mark transmitter test Current operating hours are shown 3 Confirm control query to perform the reset The values are reset to the customer specific factory settings 4 Click on OK or Cancel to close the dialogue Pos 90 TD Produkt verwenden MUF 63xx P2A Analogausgang testen _6781 3 mod_1241448537872_79 doc 32540 4 1 5 3 3 3 Testing analog output The required inst...

Page 64: ...e output value for the respective type of analog output V or mA 1 decimal place Activate The entered default value is forwarded to the corresponding analog output and to the test contacts by clicking A warning informs that the value is being transmitted to the connected instrument in the event of existing cabling Now check the analog output using a precise multimeter Deactivate Finish entering the...

Page 65: ... measured since the last voltage supply or since the last manual reset The required instrument file is marked 1 Click on Test analyze transmitter The Properties of Instrument type Serial number dialogue is opened with the Test analyze transmitter register 2 Mark Min max values Field button Explanation Min max values View the min max values of each channel Only the values within the measuring range...

Page 66: ...ment entry via assistant wizard Also see Adjusting the instrument page 21 Pos 94 TD Produkt verwenden MUF 63xx P2A 1 Punkt Abgleich 6781 3 mod_1241448954095_79 doc 32561 4 1 5 3 4 1 1 point adjustment A dew mirror hygrometer is recommended as the reference measuring instrument for the 1 point adjustment offset 1 Expose the reference measuring instrument and the instrument to be adjusted to the sam...

Page 67: ...ted every second Reference value Entry of the read off value from the reference measuring instrument Permissible entries max 10 Ctd deviation sum of all 1 point adjustments max 2 K C deviation sum of all 1 point adjustments Click on Set offset to zero to reset a transmitted reference value The current reading is used again 6 Click on OK or Cancel to close the dialogue Pos 95 TD Produkt verwenden M...

Page 68: ...he Adjusting the transmitter register 4 Click on Start wizard and follow the instructions of the wizard The adjustment is performed when the wizard is closed Field Explanation Default value The analog output value from the last performed adjustment is given at the output Value of the factory adjustment Lower adjustment point approx 10 of the max value Centre adjustment point approx 50 of the max v...

Page 69: ...ible For parameter changes or adjustments that are performed directly at the instrument via the user menu Transmitter is entered in the User field and only the operating hour is entered in the Date time field instead of operating hour date time For entries that are performed using the P2A software the name of the user logged into Windows appears in the User field while the date time and operating ...

Page 70: ... Unit of channel 1 from RH to Ctpd Selection of adjustment histories 1 point adjustments Analog adjustments Operating hours date time Operating hour time stamp at which the change at the instrument was performed User Name with which the user is logged into the operating system Transmitter entry if the change was performed at the instrument Reference value Value read off at reference instrument Uni...

Page 71: ... Offset Analog adjustment Deviation at time of adjustment The table is shown only for error and status messages that were generated in the transmitter and were transferred and saved there via the connection to the P2A software Operating hours Operating hour at which the message appeared in the instrument Serial number Serial number of the instrument to which the message is assigned Message e g Sca...

Page 72: ...plug contacts Reading is too high or too low There is still no equilibrium condition in the system Clean sensor or sintered cap see Maintenance and cleaning page 45 A message appears on the display See Status warning and error messages page 39 Malfunction with and without display Analysis using the P2A software see Analyzing testing the transmitter page 62 Undo adjustment A 1 point temperature hum...

Page 73: ... USB adapter 0554 6020 Plug in connections M12 plug in connection socket for power and signal lines 0554 6689 Supply Mains unit desktop wall mounted 0554 1748 Mains unit top hat rail mounting 0554 1749 Hose PTFE tube with compressed air connections 2 m up to 140 C and max 9000 hPa 0699 2824 4 External display Process display for testo 54 2 AC 5400 7553 Process display for testo 54 7 AC 5400 7555 C...

Page 74: ...ut supply B02 0 to 1 V 4 wire 24 V AC DC B03 0 to 5 V 4 wire 24 V AC DC B04 0 to 10 V 4 wire 24 V AC DC B05 0 to 20 mA 4 wire 24 V AC DC B06 4 to 20 mA 4 wire 24 V AC DC Cxx Display C00 Without display C02 With display English C03 With display German C04 With display French C05 With display Spanish C06 With display Italian C07 With display Japanese C08 With display Swedish Fxx Humidity variable F0...

Page 75: ...alian English instruction manual K05 Dutch English instruction manual K06 Japanese English instruction manual K07 Chinese English instruction manual K08 Swedish English instruction manual Mxx Protection cap 7 M01 Protection cap made of stainless steel M03 Protection cap made of PTFE C Ende der Liste für Textmarke Inhalt 7 The accuracy is only maintained when the ordered protection cap is replaced ...

Page 76: ...0970 6781 en 03 V1 04 V01 40 1 en ...

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Summary of Contents for 6781

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TESTO 6781, Instruction Manual, Page: 74 / 76

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