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Presys TA-25N Technical Manual

Temperature advanced calibrators
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Temperature Advanced
Calibrators
TA-25N / TA-35N / TA-50N
Technical Manual
EM0314-01

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Summary of Contents for Presys TA-25N

  • Page 1 Temperature Advanced Calibrators TA-25N / TA-35N / TA-50N Technical Manual EM0314-01...

  • Page 2: Ec Declaration Of Conformity

    EC Directives when installed in accordance with the installation instructions contained in the product documentation: Series TA-25N, TA-35N, TA-50N Description Dry-Block Temperature Calibrator 2014/35/EC of the European Parliament and of the Council of 12 December 2006 on...
  • Page 3 The warranty conditions are available in our sites: www.presys.com.br/warranty...

  • Page 4: Table Of Contents

    PRESYS  Instruments TA-25N / TA-35N / TA-50N Table of Contents 1 - Introduction ....................... 1 1.1 - Technical Specifications ..................2 1.1.1 - Input Technical Specifications ................ 3 1.1.2 - Special Software Features................4 1.2 - Order Code ......................4 1.3 - Accessories ......................

  • Page 5: Introduction

    TA-25N / TA-35N / TA-50N 1 - Introduction TA-25N / TA-35N / TA-50N Temperature Advanced Calibrators TA-25N, TA-35N and TA-50N generate temperature in the insert in order to calibrate thermocouples, RTDs, glass thermometers, thermo-switches. Besides providing high accuracy temperature values, it also allows the measurement of signals generated by the thermo-element which is being calibrated.

  • Page 6: Technical Specifications

    PRESYS  Instruments TA-25N / TA-35N / TA-50N TA Calibrators have also many other features, such as:.  RTD input for 2, 3 and 4 wires. Table IEC 60751, JIS or Callendar-Van Dusen user-configurable. Engineering units configurable to °C, °F and K.

  • Page 7: Input Technical Specifications

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 1.1.1 - Input Technical Specifications Input Ranges Resolution Accuracy Remarks  0.01 % FS* millivolt -150 mV to 150 mV 0.001 mV > 10 M input  0.02 % FS 150 mV to 2450 mV 0.01 mV...

  • Page 8: Special Software Features

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 1.1.2 - Special Software Features Special Function: SCALE: makes the scaling of mA input. Memory Manager: stores configuration types predefined by the user. Automated Tasks: creating of calibration work orders and automatic execution of calibration services, storage of data and reporting.

  • Page 9: Accessories

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 1.3 - Accessories  Dry Block Insert: Inserts Holes Order Code IN01 1 x 3/4" 06.04.0011-00 IN02 1 x 1/2" 06.04.0012-00 IN03 1 x 6.0mm and 3 x 1/4" 06.04.0013-00 IN04 3 x 6.0mm and 1 x 1/4"...
  • Page 10 PRESYS  Instruments TA-25N / TA-35N / TA-50N  Accessories:  Description Order Code Soft Carrying Case for TA-25N/TA-35N models 06.01.1031-00 Soft Carrying Case for TA-50N model 06.01.1032-00 Insert Extractor 02.06.0085-20 Tiny Steel Balls Flask 03.03.0144-21 Lead Cable Kit 06.07.0018-00 Power Cable Type J –...

  • Page 11: Parts Identification

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 1.4 - Parts Identification Fig. 02 - Parts Identification Page 7...

  • Page 12: Calibrator Operation

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 2 - Calibrator Operation When powered on, the calibrator goes through a self-test routine and shows the last adjustment date and it is ready to operate. After the self-test is completed, the display shows the main menu: Fig.

  • Page 13: Calibrator Menu

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 2.1 - Calibrator Menu To select the probe set point or electrical input functions, from the main menu, press the CALIBRATOR button. The following screen is displayed. Fig. 04 - Calibrator Function At the top is shown the probe settings and values.
  • Page 14 PRESYS  Instruments TA-25N / TA-35N / TA-50N In the STEP function, a step value can be configured, and the steps can be changed through the up and down arrows. In REFERENCE menu, you can configure the type of probe reference (see section 2.1.1 –...

  • Page 15: Probe Settings

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 2.1.1 - Probe Settings There are two different references to control the thermal block: Internal Reference and External Reference. The Internal Reference is a sensor built into the block. The External Reference is an option for more accurate measurements. The control reference comes from a Standard Sensor placed inside the insert, among the DUT (devices under test).
  • Page 16 PRESYS  Instruments TA-25N / TA-35N / TA-50N Fig. 08 - Adding a new Reference Sensor After filling the blanks, click on SAVE button and confirm. The new sensor is now available to be chosen in the list. To edit data from a sensor, select it and press MANAGER button.

  • Page 17: Input Settings

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 2.1.2 - Input Settings The INPUT menu has the following options: Fig. 10 - Input Menu Options For OHM measurement, you should also select between 2, 3 or 4 wires options. For RTD input, it should be chosen the type between Pt-100, Pt-1000, Cu-10 or Ni-100 (standard table used), the number of lead wires (2, 3 or 4 wires) and the temperature scale (ITS-90 or IPTS-68).
  • Page 18 PRESYS  Instruments TA-25N / TA-35N / TA-50N compensation is done internally; In Manual you must provide the value of the temperature of the cold junction to the calibrator. The option SWITCH has two ways to be used. For the option MANUAL, the input works as a continuity measurement between RTD2 and RTD4 terminals.
  • Page 19 PRESYS  Instruments TA-25N / TA-35N / TA-50N 2.1.2.1 - Input Connections Diagrams Fig. 14 - Input Connections Page 15...

  • Page 20: Special Function

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 2.1.3 - Special Function SCALE: For the current input, it is possible to use the scale function: Fig. 15 - Option for mA Input: SCALE It establishes a linear relationship between the mA input signal and what is shown at the display, according to the graphic below: Fig.

  • Page 21: Saving Current Configuration (Memory Manager)

    PRESYS  Instruments TA-25N / TA-35N / TA-50N Fig. 17 - Scale Function Configuration Note: To enable the Scale Function, turn the function ON. To disable, turn the function OFF. 2.1.4 - Saving Current Configuration (Memory Manager) The TA Series calibrators admit several special functions that may become of frequent use.

  • Page 22: Hart Configuration

    PRESYS  Instruments TA-25N / TA-35N / TA-50N ® 2.2 - Hart Configuration The TA Series Calibrators can be used to read and set parameters of devices that ® ® have HART Communication Protocol. HART Protocol allows digital communication between master (in this case, the TA Calibrator) and the slave (field instrument) superimposed on the 4-20 mA analog signal.

  • Page 23: Starting Communication

    PRESYS  Instruments TA-25N / TA-35N / TA-50N Fig. 19 - Transmitter Powered by an External Power Supply ® mA INPUT + HART (Internal Resistor Enabled) 2.2.2 - Starting Communication ® ® After defining HART connection type, inform the ADDRESS of the HART device and press the CONNECT button.

  • Page 24: Transmitter With Reference

    PRESYS  Instruments TA-25N / TA-35N / TA-50N ® Fig. 20 - Adjusting the measuring range of the HART transmitter ® 2.2.4 - Adjusting the Measurement Range of a HART Transmitter with Reference Another way to adjust the range of the transmitter is generating the minimum and maximum values of the desired range in the transmitter input and adjusting these values as minimum and maximum (set by reference).

  • Page 25: Adjusting The Measurement Range Of A Hart

    PRESYS  Instruments TA-25N / TA-35N / TA-50N upper range value wait the stabilization and press button. Transmitter will generate 20 mA for this value. Another way to do this adjust is entering in the HART option through the MAIN MENU, set the connection type, address and then press CONNECT.

  • Page 26: Automatic Tasks

    PRESYS  Instruments TA-25N / TA-35N / TA-50N ® Fig. 23 - Checking / Adjusting the mA HART Transmitter Output 2.3 - Automatic Tasks In TA Calibrators, automatic calibration tasks can be created and performed. This option can be used to generate calibration work orders for sensors, transmitters and indicators.
  • Page 27 PRESYS  Instruments TA-25N / TA-35N / TA-50N Fig. 24 - Task Information Go to the As Found/ As Left tab. Add each point to be generated by the TA Calibrator and the expected value for the UUT (unit under test) both As found (calibration done before adjustment) and As left (calibration done after adjustment) values.
  • Page 28 PRESYS  Instruments TA-25N / TA-35N / TA-50N tour the range and find the value of opening and closing the thermoswitch. The minimum value for this field is 300 s. Tip: If the Trip point and deadband are not known, try the THERMOSWITCH TEST to find an approximate value before creating the task.

  • Page 29: Performing Tasks

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 2.3.2 - Performing Tasks To perform a task created from the main menu select TASKS > EXPLORE TASKS. A list of the created W.O. that have not been performed yet (● WAITING) is shown. Select the desired task and press OK. Make the necessary connections between the calibrator and the UUT and press START.
  • Page 30 PRESYS  Instruments TA-25N / TA-35N / TA-50N Fig. 29 - Task Results The task data is saved in a PDF file in the internal memory card of the Calibrator and can be accessed connecting the calibrator to a computer. To save the data in a...

  • Page 31: Data-Logger

    PRESYS  Instruments TA-25N / TA-35N / TA-50N Fig. 30 - Example of a Printed Calibration Report 2.4 - Data-Logger The TA Calibrators allow you to record data over time and display them in chart or table format. Select CALIBRATOR from the main menu and select the desired configuration for Probe and Input.
  • Page 32 PRESYS  Instruments TA-25N / TA-35N / TA-50N Fig. 31 - Data Logger In configuration menu (icon , you can edit the background color of the chart, color and line thickness, sampling rate (in seconds) and set the x (time) and y (measurements) axis of the chart.

  • Page 33: Videos

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 2.5 - Videos TA Series calibrators have a video player. These videos can be viewed while a calibration is performed and are used to help operator to learn about some specific internal procedures.

  • Page 34: Network

    PRESYS  Instruments TA-25N / TA-35N / TA-50N  Security Options The instrument initially has no access password. This setting can be changed in SECURITY OPTIONS. To create a new user, press the key icon and then users icon . Fill the blanks and press CREATE.
  • Page 35 PRESYS  Instruments TA-25N / TA-35N / TA-50N Fig. 32 - IP address Fig. 33 - TA Calibrator Web Server In the Web Server, you can monitor the calibrator screen, change the setpoint and see the auxiliary input readings. Page 31...

  • Page 36: Safety Instructions

    4 - Recommendations as regards Accuracy of Measurements PRESYS Temperature Advanced Calibrators are instruments of high accuracy level, requiring the observation of all the procedures described in this section, in order to achieve the necessary conditions to get the accuracy levels during the calibrations.

  • Page 37: Input Calibration

    PRESYS  Instruments TA-25N / TA-35N / TA-50N Select ADJUST/CAL option from the SETTINGS > SYSTEM menu. You should then enter the password 9875 to access the calibration menu. The password functions as a protection to calibration ranges. After the password is entered, the menu displays the options GENERAL, INPUTS and PROBE.

  • Page 38: Probe Calibration

    PRESYS  Instruments TA-25N / TA-35N / TA-50N 5.2 - Probe Calibration To readjust the internal Probe it is necessary to compare the value indicated by the calibrator (Probe) and the temperature value from a standard probe placed in the dry block insert.

  • Page 39: Maintenance

    Replace the fuse once. If a second fuse blows again, it is because the fault is not that simple. In this case, contact the Presys technical support. In case of malfunction of mA input, the input fuse (250 V/32 mA) can be exchanged.

  • Page 40: Tiny Steel Balls, Recommendations Of Use And Safety Instructions

    The dry block calibrators accessories include a plastic container with tiny steel balls. This item is an exclusive accessory of PRESYS dry block calibrators, which also provide a cup-like insert that is an insert drilled with the maximum allowed diameter (3/4”), proper for being filled with the tiny balls.

This manual is also suitable for:

Ta-35nTa-50n

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