AST A150 User Manual
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AST A150 User Manual

Non-contact infrared pyrometers
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Accurate Sensors Technologies
We measure accurate temperature in extreme conditions
AST A150
Non-contact Infrared Pyrometers
USER MANUAL
AST - Accurate Sensors Technologies
Misgav Industrial Park, Misgav 20173, Israel
Tel: +972-4-9990025, Fax: +972-4-9990031
Email: info@accuratesensors.com
Web: www.accuratesensors.com

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  • Page 1 Accurate Sensors Technologies We measure accurate temperature in extreme conditions AST A150 Non-contact Infrared Pyrometers USER MANUAL AST - Accurate Sensors Technologies Misgav Industrial Park, Misgav 20173, Israel Tel: +972-4-9990025, Fax: +972-4-9990031 Email: info@accuratesensors.com Web: www.accuratesensors.com...
  • Page 2 Index 1. Chapter - 1 ........................General information 2. Chapter - 2 ........................Introduction 2.1 Application, range and working principle 2.2 Technical specification 2.3 Optics 3. Chapter - 3 ........................Installation of pyrometer 3.1 Installation 3.1.1 Location selection 3.1.2 Correct positioning of pyrometer 3.1.3 Mounting of pyrometer 3.1.4 Ambient temperature 3.1.5 Atmospheric condition...

  • Page 3: General Information

    -20° to +70° C. 1.1.6 Warranty AST A150 instruments have a warranty of two years from the invoice date. AST will replace defective parts, which arises from design errors or manufacturing faults. In case, if pyrometer is opened, disassembled or modified then the guarantees will loss.
  • Page 4 AST A150 is provided with USB 2.0 connector with cable. The pyrometer can be powered through USB port. In this case no external power supply is required (+24V DC requires for operation of analog output, laser, RS- 232 / RS-485...

  • Page 5: Technical Specifications

    2.2 Technical Specifications Model AST A150 Measured Temperature Ranges 75°C - 700°C (sub range adjustable) Emissivity 0.1….1 Adjustable Spectral Range, µm 2 to 2.6 µm (peak at 2.3 µm) Photodetector Type Extended InGaAs 2msec. Adjustable upto 10 sec Response Time Up to 400°C: 3°C...
  • Page 6 2.3 Optics The pyrometer measure temperature by receiving heat radiation from the object whose temperature has to be measured. This heat radiation is passes through the lens to the sensor and is then converted to an electrical signal. The farther the measured object is from the pyrometer, the larger the area that will be measured by the pyrometer.

  • Page 7: Installation Of The Pyrometer

    Chapter-3 Installation of the Pyrometer Installation 3.1.1 Location selection Qualified operating personnel should do the installation. Location should be good enough so that pyrometer should get continuous infrared radiation. Pyrometer distance from object is according to below points:- 1. Pyrometer spot size should be small than object size. 2.

  • Page 8: Mechanical Accessories

    3.2 Mechanical accessories Water pressure : < 10 bar Air pressure : < 0.5 bar Air consumption : 2...3 m³/h Ambient temperature : < 200°C Metal : Stainless steel Weight : 2.75 Kg Water Cooling Jacket with Adjustable Flange PL (Reference no: 8000-02) For 6 mm inside Diameter hose...
  • Page 9 : 0.45 Kg Mounting Clamp (Reference no: 8000-05) 3.3. Electrical Accessories AST A150 is powered by 24V DC (well stabilized ripple max 50mV).The input power supply is 110/230v AC check the polarity before connecting the device Power Supply Unit (Reference no: 9000-02) 3.3.1 Connector pin assignment on the back of the pyrometer...
  • Page 10 Colour Indication Used for + 24 V DC In Power supply White Ground Blue TxD (RS-232) / D- (RS-485) Pink RxD (RS-232) / D+ (RS-485) RS-232/ RS-485 communication Black RS-232 communication Yellow (-) 4-20mA / 0-20mA Analog current output Violet (+) 4-20mA / 0-20mA Brown Short / Open both wires for laser...
  • Page 11 Power ON Pyrometer: 1. Connect the 12-core cable (Supplied with pyrometer) with pyrometer 12-pin binder connector given atthe back side of pyrometer. 2. Connect the 12-core cable supply wire with +24V DC as given in table above. 3. Connect remaining wires as per your requirement (details given in table above). 4.

  • Page 12: Display Instrument

    Alarm Temperature Indicator (Reference no: 9000-01) 3.3.4 Display & Parameterizer AST P-120 is a high precision LED indicator for non contact temperature measurement. With indication of measured temperature user can easily parameterize a connected AST digital pyrometer without any PC.

  • Page 13: Software Installation

    PC serial port. This enables the acquisition and recording of data, as well as the transfer of commands from the software application to the AST pyrometer. Communication can be done by clicking on “Communication panel" and select correct COM Port address where pyrometer is connected.
  • Page 14 Accurate Sensors Technologies For communication of multiple pyrometers, select different com port and address. 4.2.2 Temperature It shows the temperature measured by the pyrometer 4.2.3 Parameter Setting All user selectable device parameters can be set by using the software in the Panel "Parameter" (A) Emissivity settings The emissivity can be set by clicking on "Parameters”...
  • Page 15 Accurate Sensors Technologies (E)Switch off level% ( for two color pyrometer) The switch of level is the function that is used to avoid measurement errors caused by signals, which are too low. Although factory default is set to 15 %, the switch off limit can be adjusted between 2 and 50%.

  • Page 16: Device Information

    Accurate Sensors Technologies (lll) Reset Below Temperature(RBT) The user can set RBT within the limit of pyrometer sub range. This function sets the temperature above which peak picker action starts. When the target temperature matches or is below the selected value, the sensor indicates temperature without picking action. Time Time RBT with Decay Rate...
  • Page 17 Accurate Sensors Technologies Record will be saved as .txt format and the name of file will be user define. To record emissivity, click on Record Emissivity button. If user wants file in Spreadsheet format, user can export by choosing Excel Spreadsheet in file menu.
  • Page 18 Accurate Sensors Technologies File will be stored in .xls format named as “export”. This “export.xls” file will be saved where the software is installed. To see previous record open the file by clicking on menu File open. Screen containing historical trend & historical data will appear.
  • Page 19 Accurate Sensors Technologies Temperature graph of connected pyrometer is displayed on right side of the screen. This shows the measured temperature corresponding to the time. Note: After connecting the pyrometer right click on the graph screen and choose "Set to default" option from pop-up menu.

  • Page 20: Android Application Software

    Android Application Software 5.1 Installation Process AST provides “infrasmart .apk” for android phone. This apk is in software CD. Special Note: - This apk is compatible with android version 4.0 and above Following are the predefined steps to install apk in a mobile.

  • Page 21: Operation

    Accurate Sensors Technologies 5.2 Communication After installation, switch on Bluetooth of mobile. Scan for available devices. (Fig. 6) Select the device name from list for pairing. (Fig. 5.7) For pairing user need to enter pin no. Pin no will be reverse of last four digit of device name.( For eg:- if device name is A2B-1627 then pin will be 7261).
  • Page 22 Accurate Sensors Technologies 5.4 Data logging & Online graph For data logging user need to click on dots which is at the right side as shown by arrow in below screen (Fig. 11) Next screen will be (Fig. 5.12) (Fig. 5.11) (Fig.
  • Page 23 Accurate Sensors Technologies To Start data logging, Enter file name & log time then click on start tab. Note : If file name or log time is not enter within 5 sec then time out error will appear. To save data logging click on save button. Location where file is saved will be shown on data logging screen as shown(Fig.
  • Page 24 Chapter - 6 Calculate Spot Size Calculate Spot Size To calculate Spot Size click on Utility This option is used to calculate the spot size at installed working distance of the Pyrometer. When you click on calculate spot size the new window will open. Manufactured working distance in (mm).
  • Page 25 Slave device. The request contains an address of polling “Slave” device. Slave device reply only on the requests issued by Master. Each Slave has its own address to recognize the issued request. AST sensors always operate as Slave devices. Using RS485 serial communication option allows connecting more than one sensor to Master device.
  • Page 26 Device model number (read '0E00' '01' 10 bytes “AST450C “', if less than 10 byte pad with space at end only) Firmware version '1300' '01' Firmware version number of device (read only) Sensor serial number (read 6 bytes in hex, if less than 6 bytes pad with '0' at start. Only numbers '1400' '01' only)
  • Page 27 Reply to above command if address '0000' contains value 1497 and address '0001' contains value 0000. Byte 1 Bytes 2, 3 Bytes 4, 5 Bytes 6-9 Bytes 10-13 Byte 14-15 059D 0000 0x02 0x30, 0x41 0x52, 0x44 0x30,0x35,0x39,0x44 0x30, 0x30, 0x30, 0x30 0x39, 0x43 in the event of an error, the reply is Byte 1...

  • Page 28: Error Codes

    Error Codes: Error Code Description Comments Invalid check sum See how to calculate a check sum Unknown command Protocol uses only RD (Batch Read) and WD (Batch Write) commands Data length error Number of items in WD (Batch Write) command doesn't match number of data bytes ETX not found ETX (0x03) not present in command...

  • Page 29: Broadcast Message

    Appendix A: DATA Comments Status code '0000' : No error '0001' : Signal is lower than sensor sensitivity '0002' : Out of range due to T brightness minimum '0003' : Too low energy '0004' : Signal is higher than sensor sensitivity '0006' : Sharp brightness jump '0007' : Non stable object measurement '0011' : Internal temperature warning...

  • Page 30: Maintenance

    Liability regarding any direct or indirect damage caused by this software is excluded. Limit of liability AST not liable for any damages that arise from the use of any examples or processes mentioned in this manual. Specifications are subject to change without notice...
  • Page 31 AST reserves the right to make changes, without further notice, to any products herein to improve reliability, function, or design. AST does not assume any liability arising out of the application or use of any product described herein, neither does it convey any license under its patent rights nor the rights of others.
  • Page 32 Based on these technologies, AST/3T has bought to the market a line of pyrometers for the remote measurement of target temperatures using no physical contact. AST/3T pyrometers use a totally new approach for remote temperature measurement achieving high accuracy.

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