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AccuMac AM8040 User Manual

Precision thermometer
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AM8040 Precision Thermometer
User's Guide

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  • Page 1 AM8040 Precision Thermometer User’s Guide...

  • Page 2: Table Of Contents

    AM8040 Precision Thermometer User’s Guide Table of Contents Important Notice ---- Warning ............3 1. Introduction .................. 4 1.1. Main Application ............... 4 1.2. Main Features ................4 2. Main Specification ................ 6 2.1. Main Specifications ..............6 2.2. Sensor Types................6 3.
  • Page 3 AM8040 Precision Thermometer User’s Guide Please read the “ Important Notice” information in the next page before turning on the power of this instrument! Page 2...

  • Page 4: Important Notice ---- Warning

    Please refer to 4. General Operations AM8040 is a high accuracy digital thermometer working with a four- wire platinum resistance thermometer (PRT) sensor. The details of AM8040 operations are shown as follows: 2.1.
  • Page 5 2.2. Instrument connection with AC power AM8040 must work with power of AC100V~240V. 2.3. Instrument front panel display and touchpad After power is on and a sensor is connected, AM8040 shows some initialization information, and then display information instrument’s interface...
  • Page 6 “xx” are numbers, it means Zigbee wireless data capturing is working; if the display shows“USB”on the top line, it informs the user that AM8040 is connected to a computer’s USB interface. The “t=” at Line2 shows the measured temperature of the sensor.
  • Page 7 AM8040 Precision Thermometer User’s Guide drive. The details are in 5 Instrument Calibration and Accuracy Adjustment, and 6 Selection of Sensors and Adjustment of Parameters. Page 6...

  • Page 8: Important Notice

    AM8040 Precision Thermometer User’s Guide  Instrument Calibration And Accuracy Adjustments Page 7...

  • Page 9: Introduction

    AM8040 Precision Thermometer User’s Guide 1. Introduction AM8040 precision thermometer desktop temperature measurement and calibration device. It can work together with various types of platinum resistance thermometer (PRT) sensors. The measured temperature is calculated by the embedded microcontroller following ITS-90 standard or CVD conversion method. This precision thermometer has strong data acquisition capability.
  • Page 10 AM8040 Precision Thermometer User’s Guide  Touchpad for function control.  Flexible sensor parameter adjustment and setting.  USB interface to computer for real time temperature capturing and data saving.  Wireless real time temperature data capturing with optional external wireless module.

  • Page 11: Main Specification

    AM8040 Precision Thermometer User’s Guide 2. Main Specification 3.1. Main Specifications  Range of temperature measurement：-200ºC ~ 850 ºC  Instrument resolution：0.001 ºC  Instrument accuracy： 25Ω standard platinum 100Ω standard or industrial temperature sensor platinum temperature sensor ±0.015 ºC @ -196 ºC ±0.010 ºC @ -200 ºC...

  • Page 12: User Interface

    AM8040 Precision Thermometer User’s Guide 3. User Interface Front Panel： Flash Drive Wireless USB status Sensor Type Main Menu Flash Drive Status Status Recording Start/Stop Main Display Left Key Parameter Return Adjust /Right Figure 1: Front Panel Rear Panel: AC Power Inlet & Switch...

  • Page 13: General Operations

    AM8040 Precision Thermometer User’s Guide 4. General Operations AM8040 is a high accuracy digital thermometer working with a four- wire platinum resistance thermometer (PRT) sensor. The details of AM8040 operations are shown as follows: 5.1. Connecting the probe/sensor Four-wire sensor should be connected to the “Sensor” terminals at the rear panel.

  • Page 14: Instrument Front Panel Display And Touchpad

    AM8040 Precision Thermometer User’s Guide 5.3. Instrument front panel display and touchpad After power is on and a sensor is connected, AM8040 shows some initialization information, and then display information including the instrument’s interface status, measured temperature in Celsius degree, the sensor resistance and temperature in Fahrenheit degree.
  • Page 15 Line3 shows the sensor resistance. Line 4 shows the temperature in Fahrenheit degree. AM8040 has three display pages of the measured data and these pages can be scrolled to show different information. The above sample is page1. The third page shows the resistance of the sensor.

  • Page 16: Instrument Calibration And Accuracy Adjustments

    To calibrate AM8040 in the range from 10 Ω to 50 Ω, R0 or Rtpw needs to be set to 25 Ω. To calibrate AM8040 in the range from 50 Ω to 375 Ω, R0 or Rtpw needs to be set to 100 Ω.

  • Page 17: 100 Ω Calibration

    Switch to “CAL” side before calibrations. Figure 4: Calibration Configuration at Rear Panel. 5.1.2. Turn on power, after initialization ， AM8040 shows the calibration main menu. There are two calibrations selections: 100 Ohm CALIBRATION and 25 Ohm CALIBRATION. The following is an illustration of the 100 Ohm CALIBRATION.
  • Page 18 AM8040 Precision Thermometer User’s Guide Pressing the key will start the calibration program, and the following display will appear： * 100 Ohm CALIBRATION ------------------------------------------- Connect a 100 Ohm Standard Resistor and Press Enter Menu= Exit Enter = Yes 5.1.4. The instrument will show “Connect a 100 Ohm Standard Resistor and Press Enter”...

  • Page 19: Ω Calibration

    AM8040 Precision Thermometer User’s Guide and users can adjust the value by using key. The following picture shows the adjusted result. * 100 Ohm CALIBRATION 100R Rs = 100.0038 Rt = 100.0038 Menu= Exit <^v>=Adj 5.1.7. It is required to wait for 15 to 20 seconds before the data are stable.
  • Page 20 AM8040 Precision Thermometer User’s Guide 5.2.2. Choose 25 Ohm CALIBRATION under main menu ( *CALIBRATION MENU*) by pressing key to move the “>” cursor to the “25 Ohm CALIBRATION” line： * CALIBRATION MENU ------------------------------------------- 100 Ohm CALIBRATION > 25 Ohm CALIBRATION Enter = Yes 5.2.3.
  • Page 21 AM8040 Precision Thermometer User’s Guide * 25 Ohm CALIBRATION 25R Rs = 25.9977 Rt =25.0000 Menu= Exit Enter = Yes The value on the third line is the parameter to be adjusted and this value must match the standard resistance of the 25Ω resistor. For example, the above figure shows the current value of 25.9977, but...
  • Page 22 AM8040 Precision Thermometer User’s Guide MENU to save the data, press the key and go back to main menu ( *CALIBRATION MENU*).。 Switch setting after calibration  After the calibration, turn off the AC power ;  Set the Measurement/Calibration switch at the rear panel to the left side (away from “CAL”)

  • Page 23: Selection Of Sensors And Adjustment Of Parameters

    AM8040 Precision Thermometer User’s Guide 6. Selection of Sensors and Adjustment of Parameters AM8040 can work with different types of PRT probes/sensors. It allows users to select probe types and input the parameters of the probes. The probes compatible with AM8040 are: 25 Ω...
  • Page 24 AM8040 Precision Thermometer User’s Guide * MAIN MENU * --------------------------------------------- > Sensor Setting U-Drive Setting Wireless Setting MENU=Quit ENTER=Yes There are three options at this step: Sensor Setting. This is for sensor parameter adjustments. Users can select sensor type and do parameter adjustment.
  • Page 25 AM8040 Precision Thermometer User’s Guide [SPRT SETTING] --------------------------------------------- >SET Rtp SET a4 SET a SET b4 SET b SET c MENU=Exit ENTER=Adj 4. If the type of sensor is SPRT, the adjustable parameters are Rtp, a, b, c, a4 and b4. The details of these parameter definitions can be found from ITS-90.
  • Page 26 AM8040 Precision Thermometer User’s Guide R0：the sensor’s resistance at 0°C. A and B: the temperature coefficients when temperature is higher than 0°C. C: the temperature coefficient when the temperature is lower than 0°C. ， ， ， MENU key can be used together to adjust these parameters.
  • Page 27 AM8040 Precision Thermometer User’s Guide MENU press key to exit the program without saving and go back to the parameter adjustment menu. d. The following is the a4 adjustment procedure. Continue key to move the cursor to “>SET from 4, press a4”, and then press...
  • Page 28 Other parameter adjustments are similar to the above Rtp and a4 adjustment. h. After all the adjustments are made, users can go back to the MENU main menu by pressing key multiple times until AM8040 go back to the main screen of measurement. Page 27...

  • Page 29: Wireless Data Acquisition

    Some AM8040 precision thermometers (Model# AM8040-W) are equipped with wireless module to transmit data wirelessly. Free software for this feature is included with the AM8040-W. Following components are need for this feature:  AM8040 precision thermometer with embedded wireless function.
  • Page 30 Appendix. 5) After the installation of USB drivers, the user will need to install the free software on the CD included with the AM8040. Insert the CD into the computer’s CDROM drive and copy the file named “CoolDragon_Air_Reader.exe”...
  • Page 31 RF OK” and “Wireless Remote OK” to confirm the wireless connection. The value after “ADDR” shows the wireless address of AM8040 precision thermometer. The data after “RSSI” is the wireless signal strength which should be a two-digit number after clicking on “Start”. The RSSI should be greater than -99dBm.
  • Page 32 AM8040 Precision Thermometer User’s Guide 9) The wireless data acquisition can be halted by clicking on “Stop”, or clicking on “Exit” to quit the program. The default setting for sampling period is 1 second. The data acquisition can be restarted by clicking on “Start”...
  • Page 33 AM8040 Precision Thermometer User’s Guide If the captured data need to be saved, users can start the saving by clicking on “Start” ， and then clicking on “REC” button. The captured temperature can be saved into “Air_data.txt”, and “Recording…” can be seen；if users want to stop data saving, clicking on “END”...
  • Page 34 AM8040 Precision Thermometer User’s Guide 12:10:17 +130.735 end recording Time t(C) 12:10:28 +130.735 12:10:32 +130.735 12:10:36 +130.734 end recording The first column is the sampling time which should be same as the computer time. The second column lists the temperature, each time “Stop”...

  • Page 35: Using A Flash Drive（U Disk）For Data Acquisition

    USB flash drive. There is a USB port on the rear panel of the AM8040 which can be used to store the measured temperature data to a flash drive. Any flash drive with size lower than 4 gigabytes can be connected to the “UDrive”...
  • Page 36 5) If users want to stop the data saving, just press key on the front panel，AM8040 will produce a short beep sound and the LED above key will be off to show the end of data saving. 6) The following list is an example of data saved in MYDATA.txt file of the flash drive.
  • Page 37 AM8040 Precision Thermometer User’s Guide MENU A. When AM8040 is in a normal working state, press key and then press key in 3 seconds, AM8040 will enter the main menu as below. * MAIN MENU * --------------------------------------------- Sensor Setting > U-Drive Setting...
  • Page 38 N value. For example，the following picture shows the new N value is 9, which means AM8040 will save a data to file every 9x0.97 seconds. To save this value, do the following two-key operation: key；if users DON’T...

  • Page 39: Using The Usb Interface For Data Acquisition

    AM8040 to a computer. AM8040 Figure6: AM8040 USB Temperature Data Acquisition System 2) The first time that an AM8040 is connected to a computer, the computer will require users to install the USB drivers. The detailed instruction is illustrated in the Error! Reference source not found.After the installation of these USB drivers, no...
  • Page 40 AM8040 Precision Thermometer User’s Guide c. The measurement can be started by clicking on “Start”， or can be stopped by clicking on “Stop”, or quit by clicking on “Exit”. The default sampling period is 1 second. The free software “CoolDragon_USB_reader” also has data saving function to save the captured temperature to a file named “U_data.txt”.
  • Page 41 AM8040 Precision Thermometer User’s Guide showing the data capturing, then users can click on “REC” to start the data saving. The data will be saved to “U_data.txt” file，and “Recording…” should be shown ； if users want to stop the data saving, just click on “END”...

  • Page 42: Appendix: Installation Of Usb Driver

    USB interface. The installation of USB driver is required the first time these instruments are connected to a computer. The USB drivers for AM8040 precision thermometer and wireless transceiver are the same. The installation can be done by following the...
  • Page 43 AM8040 Precision Thermometer User’s Guide 2) Put the attached CD into the CDROM drive (assume the CDROM drive is E:)，and then select “No, not this time” and click on “Next”, 3) Select “Install from a list or specific location (Advanced)” and then click “Next”,...
  • Page 44 AM8040 Precision Thermometer User’s Guide 4) Search E drive by using “Browse” as above figure，then click “Next”, 5) Select “Continue Anyway”, the computer will search for another file ”FTD2XX.sys”, 6) Use “Browse” to search for and select FTD2XX.sys ，then click on “OK”. After the installation, the computer should show：...
  • Page 45 AM8040 Precision Thermometer User’s Guide 7) Select “Finish” to end the installation. 8) The computer should show “You new hardware is ready to use” to indicate the USB drivers are correctly installed. Page 44...

  • Page 46: Limited Warranty & Limitation Of Liability

    Should AccuMac and the user have a separate written agreement with warranty terms covering the material in this document that conflict with these terms, the warranty terms in the separate agreement shall control.

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