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11 Calibration

11.1 General

The device offers various calibration options to increase the precision.

11.2 Calibrating the relative cell constant

In order to meet enhanced demands for precision, the cell constant must first
be calibrated.

Requirements

- The supply voltage for the device must be present.

see Chapter 7 "Installation", Page 25ff.

- The sensor must be connected to the transmitter (applies to the split

version).

- The transmitter is in the measurement mode.

✱

Immerse the conductivity sensor in a reference solution with a known
conductivity.

✱

Press the

key for at least 3 seconds.

✱

Use the

and

keys to select CALIBRATION LEVEL; use the

key to

confirm the selection.

The conductivity sensor should be cleaned and calibrated at
regular intervals (depending on the medium being measured).

The K1 LED blinks during calibration.

The temperature of the sample solution must remain constant
during calibration!

PGM

Содержание 202755/20

Страница 1: ...JUMO CTI 500 Inductive Conductivity Concentration and Temperature Transmitter with switch contacts Type 202755 Operating Instructions 20275500T90Z001K000 V5 01 EN 00444870...

Страница 2: ...ontact the nearest subsidiary or the head office in such a case Resetting the LC display If the brightness contrast setting is such that the text in the display is not reada ble the basic setting can...

Страница 3: ...4 Identifying the device version 9 4 1 Nameplate 9 4 2 Order details 10 5 Device description 13 5 1 Transmitter technical data 13 6 Mounting 18 6 1 General 18 6 2 Head mounted transmitter 19 6 3 Spli...

Страница 4: ...46 10 8 The dilution function 47 11 Calibration 51 11 1 General 51 11 2 Calibrating the relative cell constant 51 11 3 Calibrating the temp coefficient of the sample solution 52 12 Maintenance 60 12...

Страница 5: ...or not followed correctly Note This symbol is used when your special attention is drawn to a remark abc1 Footnote Footnotes are remarks that refer to specific points in the text Footnotes consist of...

Страница 6: ...at all times 2 2 Design of the measuring transmitter Examples 1 Transmitter 4 Inductive conductivity sensor 2 Process connection 5 With or without graphics LC display 3 Exposed temperature sensor 2 1...

Страница 7: ...be changed over or through the user friendly PC setup program Simply rotating the housing cover makes it possible to read the display regardless of whether the installation is in horizontally or verti...

Страница 8: ...rectly in a PLC The output signals are electrically isolated from one another and from the medium of the measuring cell The conductivity is measured using an inductive probe A sinusoidal a c voltage f...

Страница 9: ...r week Example F Nr 0220465201018240001 The characters in question are in positions 12 to 15 from the left The device was therefore produced in the year 2018 in its 24th calendar week Description Desc...

Страница 10: ...er without display keyboard consisting of transmitter with permanently mounted sensor1 202755 15 JUMO CTI 500 Head transmitter with display keyboard 2 Process connection 168 PVC union nut G 1 A2 6 169...

Страница 11: ...Stainless steel union nut G 1 A2 607 Taper socket with union nut DN 50 DIN 11851 dairy compression fitting 617 Clamping socket clamp 2 similar to DIN 32676 3 690 SMS DN 2 706 immersion version 4 Imme...

Страница 12: ...are not included in delivery If required please order additionally 4 If required order extra code 580 5 Show type extension codes in succession separated by a comma 6 Only in case of process extension...

Страница 13: ...display 2 6 W Rating of the solid state relays U DC 45 V U AC 30 V I 200 mA Electrical connection plug in screw terminals 2 5 mm2 or M12 plug socket connector Display option graphics LCD with backgrou...

Страница 14: ...0 20 mA 20 0 mA 4 20 mA 20 4 mA The output signal is freely scalable Burden 500 for current output 2k for voltage output Analog output for Alarm Low 0 mA 0 V 3 4 mA 1 4 V or High 22 0 mA 10 7 V or a...

Страница 15: ...22 0 mA 10 7 V or a value with a fixed setting safe value 5 1 4 Temperature compensation Reference temperature 15 to 30 C adjustable Temperature coefficient 0 0 to 5 5 C adjustable Compensation range...

Страница 16: ...re pressure and sample medium affect the cell operating life Temperature of the sample medium Note the limiting values ambient temperature of the device Pressure 10 bar max at 20 C 06 bar max at 60 C...

Страница 17: ...cription 5 1 6 Approvals approval marks Approval mark DNV GL Testing agency DNV GL Certificate certification number TAA00001W9 Inspection basis DNV GL Class Guideline CG 0339 Valid for Type 202755 10...

Страница 18: ...the sensor and the wall of the pipe If it is not possible to achieve this minimum clearance then a limited compensation can be made through the Mounting factor parameter For submerged operation in bas...

Страница 19: ...19 6 Mounting 6 2 Head mounted transmitter Installation variations...

Страница 20: ...6 Mounting 20 6 3 Split version separate sensor Transmitter head Drilling jig for wall mounting...

Страница 21: ...21 6 Mounting Sensor component...

Страница 22: ...arate sensor as immersion model Feststellschraube Flansch verschiebbar 60 18 3 100 5 0 18 125 165 Optional accessory Flange DN 32 part no 00083375 Optional accessory Flange DN 50 part no 00083376 Slid...

Страница 23: ...onal accessories Sales No 20 00439249 Version with process connection 168 3URFHVV FRQQHFWLRQ 0 1 7KUHDGHG SLSH DGDSWRU 1 6 1 5HGXFHU 7HH WR EH SURYLGHG E WKH SODQW RSHUDWRU OPU TVQQMJFE CZ UIF EFWJDF...

Страница 24: ...pe assembly set The screws 1 M5 x 30 are used for pipe diameters from 30 to 40 mm The screws 2 M5 x 40 are used for pipe diameters from 40 to 50 mm The pipe assembly set is also suitable for horizonta...

Страница 25: ...ts is possible while working on the device it must be completely disconnected from the electrical supply The electromagnetic compatibility conforms to EN 61326 Run input output and supply cables separ...

Страница 26: ...ting up the cables It is only necessary to open the housing for devices with cable glands Devices with M12 plug socket connectors should not be opened 1 To connect the single conductors pull off the p...

Страница 27: ...ecting the components please note that the serial number of the external sensor marked on the label attached to the connecting cable must match the serial number marked on the nameplate of the transmi...

Страница 28: ...20 4 mA or 0 10 V resp 10 0 V or 2 10 V resp 10 2 V electrically isolated 3 4 I 3 I 4 Analog signal output Temperature 0 20 mA resp 20 0 mA or 4 20 mA resp 20 4 mA or 0 10 V resp 10 0 V or 2 10 V res...

Страница 29: ...tting up special functions e g the dilution function Setting up a customer specific characteristic etc Connections Data transmission from or to the transmitter can only take place when it is connected...

Страница 30: ...free functioning and is delivered ready for operation For devices with a separate sensor type code extensions 2 60 or 65 the transmitter and detached sensor are matched to one another at the factory W...

Страница 31: ...k one menu level 4 key increase value step on in selection 5 key reduce value step on in selection 6 LEDs K1 and K2 show the states of the switched outputs In normal operation the LED lights up if the...

Страница 32: ...king calibration timer has run down Calib customer calibration is active 7 8 9 10 11 Output mode Hand manual operation Hold hold operation Conductivity concentration measurement Unit for conductivity...

Страница 33: ...URING CALIBRATION SAFETY VALUE MANUAL OPERATION MANUAL VALUE INPUT TEMPERATURE UNIT MEAS VALUE ACQUISITION MANUEL SPECIFICATION OFFSET FILTER TIME OUTPUT TEMPERATURE SIGNAL TYPE SCALING START SCALING...

Страница 34: ...ATA ENABLE LEVEL see chapter 10 6 2 CONDUCTIVITY OUT conducti vity output page 38 INPUT CONDUCTIVITY OUTPUT CONDUCTIVITY INPUT TEMPERATURE OUTPUT TEMPERATURE OUTPUT BINARY 1 OUTPUT BINARY 2 INPUT BINA...

Страница 35: ...35 10 Operation 10 4 Principle of operation Operation in levels...

Страница 36: ...r level All the parameters that have been enabled by the administrator administrator level can be edited in this level All other parameters marked by a key can only be read Press the key for at least...

Страница 37: ...d TEMP COMPENSATION LINEAR NON LINEAR see Non linear temperature coefficient ALPHA Page 55 NATURAL WATER permissible temperature range 0 to 36 C to EN 27 888 TEMPCO 1 4 1 0 2 20 5 5 1 Ranges 2 3 and 4...

Страница 38: ...999 DAYS 0 switched off 10 6 2 CONDUCTIVITY OUT conductivity output SIGNAL TYPE 0 20 mA 4 20 mA 20 0 mA 20 4 mA 0 10 V 2 10 V 10 0 V 10 2 V SCALING START 1 41 0 S cm 4 mA Can be set in the range being...

Страница 39: ...FROZEN SAFE VALUE SAFE VALUE 0 0 4 0 22 0 mA depending on the signal type 0 10 7 V MANUAL MODE OFF ON MAN VALUE 0 0 4 0 22 0 mA depending on the signal type 0 10 7 V 10 6 3 TEMPERATURE IN DIMENS UNIT...

Страница 40: ...ignal type SCALING END 200 to 150 0 C 20 mA depending on the signal type DURING ALARM LOW 0 mA 0 V 3 4 mA 1 4 V HIGH 22 mA 10 7 V SAFE VALUE depending on the signal type DURING CALIBRATION MOVING FROZ...

Страница 41: ...UCT MAX CONDUCT LK1 CONDUCT LK2 CONDUCT MIN TEMP MAX TEMP LK1 TEMP LK2 TEMP CALIB TIMER ALARM MAX limit comparator MIN limit comparator LK1 alarm window LK2 alarm window Pulse contact Trigger conditio...

Страница 42: ...on the function see above SPACING 0 0 999 0 depending on the function see above MANUAL MODE OFF ON FOR HOLD INACTIVE ACTIVE FROZEN FOR ALARM CALIB INACTIVE ACTIVE FROZEN ON DELAY 00 00 00 01 00 00 H M...

Страница 43: ...TIME 0 00 00 00 01 00 18 00 00 H M S LOCK TIME 0 00 00 00 01 00 18 00 00 H M S Setting parameters Binary input 1 Binary input 2 Range temperature coefficient changeover Range 1 TC 1 open open Range 2...

Страница 44: ...level you can also define which parameters can be edited altered by a normal user and or which calibration actions are permitted Editable parameters can be edited in the operator level Non editable pa...

Страница 45: ...administrator can define which parameters can be altered edited by the operator in the operator level The available options are READ ONLY and EDIT The structure Parameter level within the administrato...

Страница 46: ...nstant of the device here see Calibrating the relative cell constant Page 51 10 8 2 TEMPCO LINEAR linear temperature coefficient If this function has been enabled by the administrator then the operato...

Страница 47: ...limit This would cause the dilution valve to be opened and a portion of the added biocide would be discharged into the waste water possibly contravening regulations To prevent this the conductivity in...

Страница 48: ...is 10 below the limit 10 9 1 Stop dilution All the parameters are system dependent and must be adjusted to suit system requirements Press the key for at least 3 seconds Use the or key to select OPERAT...

Страница 49: ...selection with the key Use the and or keys to set the dilution factor in the range from 1 10 50 below the limit value Confirm the selection with the key Use the or key to select DOSING TIME use the ke...

Страница 50: ...the lock time with the and keys in the range from 0 00 00 00 01 00 18 00 00 H M S Confirm the setting with the key If there is an interruption in the supply voltage during dilution the function will b...

Страница 51: ...ust be connected to the transmitter applies to the split version The transmitter is in the measurement mode Immerse the conductivity sensor in a reference solution with a known conductivity Press the...

Страница 52: ...econds or to reject the value press the key The transmitter is in the calibration menu Press the key The transmitter is now in the measurement mode and shows the compensated conductivity of the refere...

Страница 53: ...on to be measured Press the key for at least 3 seconds Use the and keys to select CALIBRATION LEVEL use the key to confirm the selection Use the and keys to select TEMPCO LINEAR use the key to confirm...

Страница 54: ...he value press the key The transmitter is in the calibration menu Press the key The transmitter is now in the measurement mode and shows the compensated conductivity of the reference solution During c...

Страница 55: ...subdividing a temperature range TStart to TEnd into 5 sections A different TC value can be used for compensation in each of these range sections This TC curve can be edited with the setup program and...

Страница 56: ...inear compensation Sequence for automatic calibration The TC curve is automatically recorded over a temperature range that has been defined by the user The temperature range between the start and end...

Страница 57: ...mode Immerse the conductivity sensor in a sample of the solution to be measured Press the key for at least 3 seconds Use the and keys to select CALIBRATION LEVEL use the key to confirm the selection U...

Страница 58: ...ixed temperature points itself The LC display now shows at top 1 the next target temperature blinking below 2 the present sensor temperature steady Warm up the sample medium until is it above below th...

Страница 59: ...mined press the key for at least 3 seconds or to reject the values press the key The transmitter is in the calibration menu Press the key The transmitter is now in the measurement mode and shows the c...

Страница 60: ...ty sensor Deposits Deposits on the sensor section can be removed with a soft brush e g a bottle brush Do not use solvents Hard to remove crusts and deposits can be softened and removed with dilute hyd...

Страница 61: ...ng the device Page 61 wrong or unstable measurement display sensor not immersed deeply enough top up the reservoir inadequate mixing ensure good mixing for sensor all round free space of approx 5 mm e...

Страница 62: ...ve 1 turn For display values above 50 mS the loop must have 3 turns Example 1 The measuring transmitter is to show 20 mS To achieve a display of 20 mS cm the resistance loop with 1 turn must have a re...

Страница 63: ...ng measurement range see Chapter 10 6 1 CONDUCTIVITY IN Conductivity input Page 37 RANGE 1 4 Set TC to 0 C see Chapter 10 6 1 CONDUCTIVITY IN Conductivity input Page 37 TEMPCO Fit the resistance loop...

Страница 64: ...equate size Wire up the device see Chapter 7 Installation Page 25 Select the range appropriate to the conductivity test solution see Chapter 10 6 1 CONDUCTIVITY IN Conductivity input Page 37 RANGE 1 4...

Страница 65: ...r 10 6 1 CONDUCTIVITY IN Conductivity input Page 37 TEMPCO Set the TC for the reference instrument to 0 C as well see operating instructions for the reference instrument If this is not possible then t...

Страница 66: ...uctivity input Range 1 0 500 S cm 0 1000 S cm 0 2000 S cm 0 5000 S cm 0 10 mS cm 0 20 mS cm 0 50 mS cm 0 100 mS cm 0 200 mS cm 0 500 mS cm 0 1000 mS cm 0 2000 mS cm uncompensated 37 Temperature compen...

Страница 67: ...input Unit C F 39 Measurement mode Sensor manual 39 Manual value 20 0 to 25 to 150 C 39 Offset 15 0 to 0 0 to 15 C 39 Filter time 00 00 00 00 00 01 00 00 25 H M S 39 Temperature output Signal type 0...

Страница 68: ...0 0 9999 0 42 Hysteresis 0 0 0 5 999 0 42 Spacing 0 0 999 0 42 Manual mode off on 42 For hold inactive active frozen 42 For alarm calibration inactive active frozen 42 Switch on delay 00 00 00 01 00 0...

Страница 69: ...ge German English French Italian Dutch Polish Portuguese Russian Swedish Spanish 44 Contrast 0 6 11 44 Lighting off on during operation 44 LCD inverse off on 44 Parameter Selection value range Factory...

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Страница 71: ......

Страница 72: ...address 36035 Fulda Germany Phone 49 661 6003 0 Fax 49 661 6003 607 Email mail jumo net Internet www jumo net JUMO House Temple Bank Riverway Harlow Essex CM20 2DY UK Phone 44 1279 63 55 33 Fax 44 127...

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