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AccuMac AM8040 User Manual

Precision thermometer
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AM8040 Precision Thermometer
User's Guide
Please download the latest version at www.accumac.com
Rev. 202206V1

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Summary of Contents for AccuMac AM8040

  • Page 1 AM8040 Precision Thermometer User’s Guide Please download the latest version at www.accumac.com Rev. 202206V1...

  • Page 2: Table Of Contents

    AM8040 Precision Thermometer User’s Guide Table of Contents Important Notice ---- Warning ................. 2 Introduction....................3 1.1 Main Application ..................3 1.2 Main Features ..................3 Specifications ..................... 5 2.1 Specifications ..................5 2.2 Probe Types ..................... 5 User Interface .................... 6 General Operations ..................

  • Page 3: Important Notice

    AM8040 Precision Thermometer User’s Guide Important Notice ---- Warning  Check the position of the “Measurement/Calibration Switch” on the rear panel. Please refer to Figure 2. The switch must be at the measurement (left) position. Loss of calibration data will occur if the switch is at the calibration (CAL) position when the instrument is used in measurement application.

  • Page 4: Introduction

    AM8040 Precision Thermometer User’s Guide 1 Introduction The AM8040 precision thermometer is a 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 the ITS-90 standards or the CVD conversion method.
  • Page 5 AM8040 Precision Thermometer User’s Guide  Concurrent display of sensor’s temperature in Celsius ºC, Fahrenheit ºF, and resistance Ω.  2.7” OLED display.  Touchpad for function control.  Flexible sensor parameter adjustment and setting.  USB interface to computer for real-time temperature capturing and data saving.

  • Page 6: Specifications

    AM8040 Precision Thermometer User’s Guide 2 Specifications 2.1 Specifications Model 8040 Temperature Range -260°C to 850°C ±0.01°C at -200°C ±0.008°C at 0°C Accuracy (meter only) ±0.009°C at 232°C ±0.01°C at 420°C ±0.015°C at 660°C 0.001°C (0.0001Ω) over full range Resolution Nominal Rtpw: 25 Ω...

  • Page 7: User Interface

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

  • Page 8: 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: 4.1 Connecting the probe/sensor The four-wire sensor should be connected to the “Sensor” terminals at the rear panel.

  • Page 9: Instrument Front Panel Display And Touchpad

    AM8040 is connected to a computer’s USB interface. The “t=” at Line 2 shows the measured temperature of the sensor. The “IPRT” at the end of Line 2 tells the type of sensor. AM8040 supports two types of sensors. “SPRT” indicates a 25Ω or 100Ω...
  • Page 10 Line 3 shows the sensor resistance. Line 4 shows the temperature in Fahrenheit degrees. AM8040 has three display pages of the measured data and these pages can be scrolled to show different information. The above example is page 1. The third page shows the resistance of the sensor.

  • Page 11: 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 12: 100 Ω Calibration

    “CAL” side (right side). Please see Figure 4 for details. Switch to “CAL” side before calibrations. Figure 4: Calibration Configuration at Rear Panel Turn on the power. After initialization, AM8040 shows the 5.1.2 calibration main menu. There are two calibration selections: 100 Ohm CALIBRATION and 25 Ohm CALIBRATION. The following is an illustration of the 100 Ohm CALIBRATION.
  • Page 13 AM8040 Precision Thermometer User’s Guide the above figure shows that 100 Ohm CALIBRATION is selected. Pressing the key will start the calibration program, and the following display will appear: * 100 Ohm CALIBRATION ------------------------------------------- Connect a 100 Ohm Standard Resistor...
  • Page 14 AM8040 Precision Thermometer User’s Guide resistor’s resistance. For example, if the resistance of the standard resistor is 100.0038ohm, users can move the underline cursor to the position where the value will be adjusted by using keys, and users can adjust the value by using the keys.

  • Page 15: Ω Calibration

    AM8040 Precision Thermometer User’s Guide 5.2 25 Ω calibration 5.2.1 The process of 25 Ω calibrations is similar to that of 100 Ω calibrations. First, turn off the power of the instrument and ensure the measurement/calibration switch at the rear panel is set to the “CAL”...
  • Page 16 AM8040 Precision Thermometer User’s Guide 5.2.4 Follow the “Connect a 25 Ohm Standard Resistor and Press Enter” instruction to connect a 25Ω to the sensor terminals. A standard resistor of 25Ω must have a value close to 25Ω; otherwise the calibration will not be accurate.
  • Page 17 AM8040 Precision Thermometer User’s Guide 5.2.6 It is required to wait for 15 to 20 seconds before the reading is stable. The next step is to save the calibrated data to the instrument. To start the data saving, press the...

  • Page 18: Selection Of Sensors And Adjustment Of Parameters

    AM8040 Precision Thermometer User’s Guide 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 19 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 20 AM8040 Precision Thermometer User’s Guide 3. Press the key to go to the parameter adjustment menu: [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 an SPRT, the adjustable parameters are Rtp, a, b, c, a4 and b4.
  • Page 21 AM8040 Precision Thermometer User’s Guide The details of the parameter definitions can be found from the industrial platinum resistance thermometer calibration procedure. As an example, calibration agencies provide the following parameters after an IPRT is calibrated: R0: the sensor’s resistance at 0°C.
  • Page 22 AM8040 Precision Thermometer User’s Guide Users can use the keys to move this position and use the keys to adjust the value. c. After the Rtp is adjusted, press the MENU key. The display will remind users to save or not to save the adjusted value by flashing the adjusted Rtp.
  • Page 23 Other parameter adjustments are similar to the above Rtp and a4 adjustments. h. After all the adjustments are made, users can go back to the main menu by pressing the MENU key multiple times until AM8040 goes back to the main screen of measurement. Rev. 202206V1 22/40...

  • Page 24: Wireless Data Acquisition

    Some AM8040 precision thermometers (Model# AM8040-W) are equipped with a wireless module to transmit data wirelessly. Free software for this feature is included with the AM8040-W. The following components are need for this feature:  AM8040 precision thermometer with embedded wireless function.
  • Page 25 AM8040 Precision Thermometer User’s Guide Directions for setting up the wireless communication system: 1) The AM8040 precision thermometer must be on and connected to a probe. 2) The computer and wireless transceiver must be within 50m (indoor) or 80m (outdoor) distance from AM8040. The computer must be powered on.
  • Page 26 7) “The Base Status” and “Remote” should display “Wireless Base 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”.
  • Page 27 AM8040 Precision Thermometer User’s Guide means the wireless signal strength. At the same time, CoolDragon_Air_Reader should also show the signal strength. The following figure is an example: 9) The wireless data acquisition can be halted by clicking on “Stop” or clicking on “Exit”...
  • Page 28 AM8040 Precision Thermometer User’s Guide in the above figure is required to change, the program must be halted by clicking on “Stop” button first, and then users can change the sampling period. The sampling period must be an integer. The data sampling can be restarted after the modification.
  • Page 29 AM8040 Precision Thermometer User’s Guide Time t(C) 12:10:12 +130.735 12:10:13 +130.735 12:10:14 +130.735 12:10:15 +130.735 12:10:16 +130.735 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.

  • Page 30: 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 a size of 4 gigabytes or less can be connected to the “UDrive”...
  • Page 31 AM8040 Precision Thermometer User’s Guide 5) If users want to stop the data saving, just press the key on the front panel, AM8040 will produce a short beep sound and the LED above the key will be off indicating the end of data saving.
  • Page 32 AM8040 Precision Thermometer User’s Guide a) When AM8040 is in a normal working state, press the MENU key and then press the key within 3 seconds, AM8040 will enter the main menu as below: * MAIN MENU * --------------------------------------------- Sensor Setting >...
  • Page 33 N value. For example, the following picture shows the new N value is 9, which means AM8040 will save data to the file every 9x0.97 seconds. To save this value, do the...

  • Page 34: Using The Usb Interface For Data Acquisition

    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 if running an OS older than Windows 7. The detailed instruction is illustrated in the Appendix: Installation of USB Drivers.
  • Page 35 AM8040 Precision Thermometer User’s Guide 4) Double click on “CoolDragon_USB_reader” to start the software, the computer should show: a) To start measurement, click “Start”. To stop measurement, click “Stop”. To quit, click “Exit”. 5) The free software “CoolDragon_USB_reader” also has a data saving function to save the captured temperature to a file named “U_data.txt”.
  • Page 36 AM8040 Precision Thermometer User’s Guide 6) If users want to save the captured temperature data, click on “Start” first, and temperature data should be received with a blinking tick showing the data is capturing. Then users can click on “REC” to start the data saving. The data will be saved to “U_data.txt”...

  • Page 37: Appendix: Installation Of Usb Driver

    The USB drivers for AM8040 precision thermometer and wireless transceiver are the same. The installation can be done by following the steps below: 1) When AM8040 precision thermometer is first connected to a computer, the OS will pop up “Found New Hardware”: Rev. 202206V1...
  • Page 38 AM8040 Precision Thermometer User’s Guide 2) Put the attached CD into the CD-ROM drive 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”. Rev. 202206V1...
  • Page 39 AM8040 Precision Thermometer User’s Guide 4) Search the CD drive (Drive E in this example) by using “Browse” as in the above figure, then click “Next”. 5) Select “Continue Anyway”, the computer will search for another file ”FTD2XX.sys”. Rev. 202206V1...
  • Page 40 AM8040 Precision Thermometer User’s Guide 6) Use “Browse” to search for and select FTD2XX.sys, then click on “OK”. After the installation, the computer should show: 7) Select “Finish” to end the installation. 8) The computer should show “You new hardware is ready to use”...

  • Page 41: Limited Warranty & Limitation Of Liability

    Each product from AccuMac Technology is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is 1 year for Precision Thermometers. The warranty period begins on the date of the shipment.

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