Isotech TTI-22 Manuale utente

Page 1 of 49

TTI-22 Iss.04–11/15

TRUE TEMPERATURE

INDICATOR

MODEL TTI-22

User Maintenance Manual/Handbook

Isothermal Technology Limited, Pine Grove, Southport, PR9 9AG, England

Tel: +44 (0)1704 543830 Fax: +44 (0)1704 544799 Internet: www.isotech.co.uk E-mail: [email protected]

The company is always willing to give technical advice and assistance where appropriate. Equally, because of the programme of continual

development and improvement we reserve the right to amend or alter characteristics and design without prior notice. This publication is for

information only.

Page 2 of 49

TTI-22 Iss.04–11/15

CONTENTS

PGUARANTEE ................................................................................................................................................................................... 4

1. ABOUT THE INSTRUCTION MANUAL................................................................................................................................. 5

2. SAFETY INSTRUCTIONS......................................................................................................................................................... 5

2.1 GENERAL SAFETY INSTRUCTIONS............................................................................................................................................. 5

2.1.1

Liability

........................................................................................................................................................................ 5

2.1.2

Installation and Use

..................................................................................................................................................... 5

2.1.3

Maintenance and Service

............................................................................................................................................. 6

2.1.4

Disposal

....................................................................................................................................................................... 6

2.2 SPECIAL SAFETY INSTRUCTIONS ............................................................................................................................................... 6

2.3 SAFETY SYMBOLS ON THE INSTRUMENT ................................................................................................................................... 7

3. TTI-22 - AN OVERVIEW .......................................................................................................................................................... 8

4. CHECKING THE SUPPLIED PARTS ........................................................................................................................................ 9

5. OPERATING ELEMENTS AND INSTRUMENT CONNECTIONS....................................................................................... 10

5.1 TTI-22 FRONT SIDE.............................................................................................................................................................. 10

5.1.1

Display and Function Keys

......................................................................................................................................... 10

5.1.2

Instrument Connections on Front Side

..................................................................................................................... 11

5.2 TTI-22 REAR SIDE................................................................................................................................................................. 12

5.2.1

Terminal Assignment of RS232

................................................................................................................................. 12

5.2.2

Ethernet Terminal

..................................................................................................................................................... 12

5.2.3

External Power Adapter

........................................................................................................................................... 12

5.2.4

Battery Supply

........................................................................................................................................................... 13

6. PUTTING TTI-22 INTO OPERATION .................................................................................................................................. 14

6.1 ASSEMBLING THE MEASURING SYSTEM.................................................................................................................................... 14

6.2 PUTTING THE MEASURING SYSTEM INTO OPERATION............................................................................................................. 15

6.2.1

Getting Started with Pre-stored Sensor Parameters

................................................................................................ 15

6.2.2

Getting Started without Stored Sensor Parameters

.................................................................................................. 16

6.2.3

Switching TTI-22 Off

................................................................................................................................................. 16

7. CONFIGURING TTI-22.......................................................................................................................................................... 17

7.1 SETTING A PASSWORD........................................................................................................................................................... 17

7.2 SETTING DATE AND TIME...................................................................................................................................................... 18

7.3 SETTING THE TEMPERATURE UNIT......................................................................................................................................... 18

7.4 SETTING BACKLIGHT AND CONTRAST.................................................................................................................................... 19

7.5 ENTERING SENSOR PARAMETERS AND ASSIGNING TO A SENSOR INLET..................................................................................... 19

7.5.1

Entering or Changing Calibration Parameters for a Sensor

...................................................................................... 19

7.5.2

Assigning Calibration Parameters to a Sensor Channel

............................................................................................. 22

7.5.3

Assigning Calibration Parameters to a Sensor Channel via PC/RS232

...................................................................... 22

7.6 SELECTING DISPLAY TYPE...................................................................................................................................................... 22

7.7 PERFORMING A SELF-HEATING TEST....................................................................................................................................... 24

8. READING OUT MEASURING DATA .................................................................................................................................... 25

8.1 TRANSFERRING MEASURING DATA VIA RS232......................................................................................................................... 25

8.2 TRANSFERRING MEASURING DATA VIA ETHERNET................................................................................................................... 28

9. CALIBRATING AND ADJUSTING TTI-22 ............................................................................................................................. 29

10 LOCKING CALIBRATION PARAMETERS ............................................................................................................................. 30

11. OVERVIEW OF THE MENU STRUCTURE....................................................................................................................... 31

11.1 MAIN MENU .................................................................................................................................................................... 31

11.2 SEL.DISPLAY &START (DISPLAY TYPE SELECTION)............................................................................................................ 32

11.3 EDIT CONFIGURATION..................................................................................................................................................... 32

APPENDIX A: TECHNICAL DATA ................................................................................................................................................. 34

A.1 TTI-22 AS HIGH-PRECISION RESISTANCE METER................................................................................................................ 34

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TTI-22 Iss.04–11/15

A.2 TTI-22 AS HIGH-PRECISION THERMOMETER (SPECIFICATIONS WITHOUT SENSOR).............................................................. 34

A.3 GENERAL INSTRUMENT DATA........................................................................................................................................... 35

APPENDIX B: DECLARATION OF CONFORMITY....................................................................................................................... 36

APPENDIX C: TROUBLESHOOTING ............................................................................................................................................ 37

C.1 TTI-22 ERROR MESSAGES ................................................................................................................................................. 37

C.2 PC ERROR MESSAGES ....................................................................................................................................................... 38

C.3 PROBLEMS WITH INSTRUMENT ACTIVATION ...................................................................................................................... 39

APPENDIX D: TEMPERATURE CALCULATION METHODS ....................................................................................................... 40

D.1 DIN IEC 751: INDUSTRIAL PLATINUM RESISTANCE THERMOMETERS AND PLATINUM MEASURING RESISTORS ...................... 40

D.2 INTERNATIONAL TEMPERATURE SCALE 1990 (ITS-90) ....................................................................................................... 41

APPENDIX E: CALIBRATING AND ADJUSTING TTI-22 .............................................................................................................. 43

E.1 CALIBRATING AND ADJUSTING TTI-22.............................................................................................................................. 43

E.2 CALIBRATING AND ADJUSTING THE SENSOR ...................................................................................................................... 46

APPENDIX F: CONVERTING THE TEMPERATURE UNIT........................................................................................................... 47

APPENDIX G: FIRMWARE VERSIONS............................................................................................................................................ 48

DECLARATION OF CONFORMITY............................................................................................................................................... 49

Page 4 of 49

TTI-22 Iss.04–11/15

GUARANTEE

This instrument has been manufactured to exacting standards and is guaranteed for twelve months against electrical

break-down or mechanical failure caused through defective material or workmanship, provided the failure is not the

result of misuse. In the event of failure covered by this guarantee, the instrument must be returned, carriage paid, to

the supplier for examination and will be replaced or repaired at our option.

FRAGILE CERAMIC AND/OR GLASS PARTS ARE NOT COVERED BY THIS GUARANTEE

INTERFERENCE WITH OR FAILURE TO PROPERLY MAINTAIN THIS INSTRUMENT MAY INVALIDATE THIS

GUARANTEE

RECOMMENDATION

The life of your ISOTECH Instrument will be prolonged if regular maintenance and cleaning to remove general dust

and debris is carried out.

We recommend that this instrument to be re-calibrated annually.

ISOTHERMAL TECHNOLOGY LTD.

PINE GROVE, SOUTHPORT

PR9 9AG, ENGLAND

TEL: +44 (0) 1704 543830/544611

FAX: +44 (0)1704) 544799

The company is always willing to give technical advice and assistance where appropriate. Equally, because of the

programme of continual development and improvement we reserve the right to amend or alter characteristics and

design without prior notice. This publication is for information only.

Page 5 of 49

TTI-22 Iss.04–11/15

1. About the Instruction Manual

This instruction manual informs you about the installation and the safe handling and use of the instrument.

Make sure that the instruction manual is easily accessible to all personnel involved with the instrument. Pay

special attention to the safety instructions and warnings in the manual and on the instrument.

Symbols in this Instruction Manual

This instruction manual features the following symbols:

Warning: This symbol calls attention to the risk of accidental injuries or damage to goods. Do not

proceed until the indicated conditions for averting this threat are fully understood and met.

Caution: This symbol calls attention to the risk of instrument damage or measurement errors. Do

not proceed until the indicated conditions for averting this threat are fully understood and met.

Information: This symbol calls attention to any additional information of use to the operator.

2. Safety Instructions

•Read the instruction manual at hand before using TTI-22.

•Follow all hints and instructions contained in this instruction manual to ensure the correct use and safe

functioning of TTI-22.

2.1 General Safety Instructions

2.1.1 Liability

•The instruction manual at hand does not claim to address all safety issues associated with the use of

the instrument and samples. It is your responsibility to establish health and safety practices and

determine the applicability of regulatory limitations.

•Isothermal Technology Ltd only warrants the proper functioning of TTI-22 if no adjustments have

been made to the mechanics, electronics, and software.

•Only use TTI-22 for the purpose described in this instruction manual. Isothermal Technology Ltd is

not liable for damages caused by incorrect use of TTI-22.

2.1.2 Installation and Use

•TTI-22 is not an explosion-proof instrument and therefore must not be operated in areas with risk of

explosion.

•TTI-22 is only suitable for inside use.

•The installation procedure should only be carried out by authorized personnel who are familiar with

the installation instructions.

Page 6 of 49

TTI-22 Iss.04–11/15

•Do not use any accessories or wearing parts to TTI-22 other than those supplied or approved by

Isothermal Technology Ltd.

•Make sure all operators are trained to use the instrument safely and correctly before starting any

applicable operations.

•In case of damage or malfunction, do not continue operating TTI-22. Do not operate the instrument

under conditions which could result in damage to goods and/or injuries and loss of life.

•Check if the wetted parts are chemically resistant to the samples and rinsing agents.

2.1.3 Maintenance and Service

•The results delivered by TTI-22 not only depend on the correct function of the instrument, but also

on various other factors. We therefore recommend to have the results checked (e.g. plausibility

tested) by skilled personnel before consequential actions are taken based on the results.

•Service and repair procedures may only be carried out by authorized personnel or by Isothermal

Technology Ltd.

2.1.4 Disposal

•Concerning the disposal of TTI-22 observe the legal requirements in your country.

2.2 Special Safety Instructions

•Only use shielded cables for connecting the sensors.

•Only connect separated extra low voltage circuits (SELV according to EN60950) to the instrument.

•Keep an appropriate term for repeating the calibration of the used reference resistor and/or sensor.

Recalibrate TTI-22 and sensors at least once a year.

•The following cases require you to perform an instrument self-check (turn off the instrument for at

least 3-4 seconds) and control the set parameters (RRef, Sensor Calibration, User Password):

- before large measuring cycles

- after extraordinary operating conditions

- after service work on the instrument

•Avoid exposing TTI-22 to direct sunlight and major temperature changes. After large ambient

temperature changes, TTI-22 requires some time to adjust to the ambient conditions.

Page 7 of 49

TTI-22 Iss.04–11/15

2.3 Safety Symbols on the Instrument

Fig. 2 –1 Warning symbol next to the battery compartment

There is a warning sign on the rear of the instrument, next to the battery compartment.

Warning:

•Observe the correct polarity when placing the batteries.

• Only use 1.5 V AA batteries or 1.2 V AA rechargeable batteries of the same type and

charge condition.

Page 8 of 49

TTI-22 Iss.04–11/15

3. TTI-22 - An Overview

The TTI-22 measures temperatures in °C, K or °F with exceptional accuracy. Combined with calibrated

high-precision platinum resistance thermometers, TTI-22 allows a reduction of system measurement

uncertainties to an absolute minimum of as little as 1mK (0.001°C).

Connect TTI-22 to one or two Pt 100 industrial platinum resistance thermometers, whose temperature is

calculated according to DIN IEC751. Pt 25.5 or Pt 100 standard platinum resistance thermometers are also

suitable for use as temperature sensors. The temperature of standard thermometers is calculated according

to ITS-90 (International Temperature Scale 1990). Individual calibration parameters for up to 30 different

sensors can be stored. This provides easy recalibration and good traceability of the temperature

measurement.

TTI-22 is operated via a menu-driven user interface. The current value, the mean value and the standard

deviation of 5 up to 50 values can be continuously displayed. The self-heating effect of the sensor can be

determined via the integrated self-heating test. TTI-22 has a serial RS232 interface and an Ethernet terminal.

The installed web server delivers all important data to any given browser via internet or intranet.

Page 9 of 49

TTI-22 Iss.04–11/15

4. Checking the Supplied Parts

TTI-22 was tested and packed carefully before shipment. However, damages may occur during transport.

1. Keep the packaging material (box, foam piece, transport protection) for possible returns and further

questions from the transport and insurance company.

2. Check the delivery for completion by comparing the supplied parts to those noted in Table 4.1

3. If a part is missing, contact your Isotech representative.

4. If a part is damaged, contact the transport company and your Isotech representative.

Table 4.1: Supplied Parts

Pcs.

Article Description

TTI-22

Instruction manual

RS232 cable

Lemo connectors to suit TTI-22

Mains Lead

Traceable calibration certificate

UKAS calibration certificate

(optional extra)

Carrying case

(optional extra)

Power supply

AA Batteries

Page 10 of 49

TTI-22 Iss.04–11/15

5. Operating Elements and Instrument Connections

5.1 TTI-22 Front Side

Fig. 5 –1 Front view

5.1.1 Display and Function Keys

Function keys

0,1,2,.., 9 (numerical keys)

Menu selection and digit input

CE (CLEAR, BACKSPACE)

To delete the last entered character

ESC (ESCAPE)

•In the menu mode: To change to the next higher menu level

•In an active input field: To abort the input. The input is

cancelled and the prior field content is restored

•To toggle between menu items or input fields within one menu

•In statistics menus: To change the amount of measuring values

applied for calculating the mean value and the standard

deviation

M (menu)

To change from measurement mode to menu mode

Backlight On/Off

EXP

To enter the exponent of a number

(ENTER)

To confirm the input

<On/Off> key

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