気圧センサー
Contents
1. 3 0 700 kPa 150 1150 mbar AE 1250 10 10 Em 0 4 DTO15 1 gt PE j 5 5 1 MultiLogPRO 1 0 1 ON System Configuration Input Mode Auto ID Setup the logger In 1 DTO15 1 Press 700 kP DT015 Press 1150mB System Configuration Input Mode 8 input lt Press 700 kP DTO15 1 Press 1150mB DTO15 RATE SAMPLES DISP2. The Pressure sensor is used for various experiments in Biology Chemistry and Physics It is furthermore used as an altimeter measuring the height you are at and as a barometer for various meteorological measurements Typical Experiments e Investigating the evaporation of water from terrestrial plants transpiration e Measuring the photosynthesis rate in water plants e Measuring the respiration rate of germinating seeds e Investigating the effect of light on photosynthesis rate e Investigating the Ideal Gas Law How it Works The main sensing unit inside the Pressure sensor is composed of a pressure sensitive membrane and a flexible resistor attached to it This flexible resistor changes its resistance when it bends When the pressure alters the resistance changes and according to Ohm s Law so does the voltage drop across it This voltage is then amplified to a range of O 5 V accepted by the Analog Digital converter of the data logger The pressure is then calculated and recorded in the logger s memory 1 FOURIER education Sensor Specification Range 150 1150 mbar Accuracy 1 96 over entire range Resolution 12 bit 0 25 mbar Default Sample Rate 10 samples per second Response Time 1 ms for 90 change in reading Operating Temperature 0 85 C Calibration The Pressure sensor 150 to 1150 mbar requires no calibration Using the Pressure Sensor with the NOVA5000 and MultiLab Software 1 Launch
3. ETT a DTO15 1 0 700kPa DTO15 150 1150mbar 01015 1 ES i Japan Star Techno Co Ltd T 105 0013 2 2 11 3 TEL 03 6432 4006 FAX 03 6432 4010 E mail support j startechno com http www j startechno com Rev 1 1 2015 01 30 1 MultiLogPRO NOVA LINK USB Link ck 3 AE Set DT015 1 O 700kPa 0 6 9 SUE 0 7000mbar DT015 150 1150mbar 0 148 1 134 15 115kPa TE DT015 1 2 0 5V A D
4. the MultiLab CE software 2 Connect the Pressure sensor to the NOVA5000 s sensor input starting from I O 1 The sensor is automatically recognized by the MultiLab software 3 Click Setup on the main toolbar and program the data logger s sample rate and number of samples Click Run on the main toolbar to start the measurement Using the Pressure Sensor with the NOVA LINK or MultiLogPRO and MultiLab Software 1 Launch the MultiLab software 2 Connect the Pressure sensor to the data logger s sensor input starting from I O 1 The sensor is automatically recognized by the MultiLab software 3 Click Setup on the main toolbar and program the data logger s sample rate and number of samples Click Run on the main toolbar to start the measurement Selecting units MultiLab displays the data in mbar To change the display to kPa or atmosfer 1 Click Setup on the main toolbar 2 Click Properties Ed next to the Pressure sensor input Select the checkbox next to the desired Pressure unit 4 Click OK 1 FOURIER education Setting the Current Reading of the Pressure Sensor to Zero 1 E O PA e Launch the MultiLab software PC or NOVA5000 Connect the Pressure sensor to the data logger s first sensor input l O 1 The Pressure sensor is automatically recognized by the MultiLab software Click Setup on the main toolbar Click Properties next to the Pressure sensor input Click the Set Zero tab Che
5. LAY ESC Start logging 5 2 MultiLab MultiLogPRO NOVA LINK 1 0 1 ON MultiLab Setup Wizard Run 1 FOURIER education Pressure 0 700 kPa DT015 1 The Pressure sensor 0 700 kPa can be connected to the NOVA5000 NOVA LINK or MultiLogPRO data loggers The Pressure sensor 0 700 kPa is an absolute gas pressure sensor It measures applied external pressure relative to zero pressure reference sealed inside the sensor The Pressure sensor s range is 0 700 kPa 0 6 9 atm or 0 7000 mbar The sensor includes a plastic tube with a Luer Lock Connector suitable for experiments in small containers as syrings and valves The Pressure sensor
6. ck the box next to Set the current reading to zero Click OK Program the data logger s sample rate and number of samples Click Run on the main toolbar to start the measurement An Example of using the Pressure Sensor Photosynthesis rate in water plant Elodea The following graph shows the example for a photosynthesis experiment where the increase of pressure caused by formed oxygen is followed in comparison to the ambient pressure Photosynthesis rate 2gr Elodea Lue cq o5 tT pe qo b y Soy o9 OD qo TI 0 50 100 150 200 250 300 350 400 450 500 Time s Figure 1 A Photosynthesis experiment performed using the Pressure sensor
7. is used for various experiments in Biology Chemistry and Physics The sensor is housed in the Fourier Systems plastic sensor case and is equipped with an offset calibration screw Typical Experiments Boyle s Law e Gay Lussac s Law Measuring rate of chemical reaction How it Works The main sensing unit inside the Pressure sensor is composed of a pressure sensitive membrane and a flexible resistor attached to it This flexible resistor changes its resistance when it bends When the pressure alters the resistance changes and according to Ohm s Law so does the voltage drop across it This voltage is then amplified to a range of O 5 V accepted by the Analog Digital converter of the data logger The pressure is then calculated and recorded in the loggers memory 1 FOURIER education Sensor Specification Range 0 700 kPa Accuracy 13 over entire range Resolution 12 bit 0 18 kPa Default Sample Rate 10 samples per second Response Time for 90 change in reading me Operating Temperature 0 C to 85 C Features Equipped with an offset calibration screw Calibration The Pressure sensor 0 700 kPa requires no calibration For further calibration an offset calibration screw is located at the back of the sensor case Apply a known reference pressure to the sensor and start recording Insert a flat screwdriver to the calibration hole and slowly turn the calibration screw until the reference
8. toolbar 4 Click Properties next to the Pressure sensor input 5 Click the Set Zero tab 6 Check the box next to Set the current reading to zero 7 Click OK 8 Program the data logger s sample rate and number of samples Click Run on the main toolbar to start the measurement An Example of using the Pressure Sensor Boyle s Law Gases are distinguished from liquids and solids by their ability to be compressed into much smaller volumes According to Boyle s Law the volume of a sample of gas ata given temperature varies inversely with the applied pressure P 1 V In this experiment we investigate the relationships between pressure and volume by measuring the effects of changes in air volume on the pressured air sealed in a flask at a constant temperature FOURIER education 130 120 e 110 100 90 80 70 60 50 40 0 06 0 08 0 1 0 12 0 14 0 18 0 18 0 2 qe mL Figure 1 Graph of Pressure vs 1 Volume at a constant temperature an FOURIER education Pressure 150 1150 mbar DTO015 e The Pressure sensor 150 1150 mbar can be connected to the NOVA5000 NOVA LINK or MultiLogPRO data loggers The Pressure sensor 150 1150 mbar is an absolute gas pressure sensor It measures applied external pressure relative to zero pressure reference sealed inside the sensor The sensor is housed in Fourier s plastic sensor case and its range is 150 1150 mbar 0 148 1 134 atm or 15 115 kPa
9. value is reached Using the Pressure Sensor with the NOVA5000 and MultiLab Software 1 Launch the MultiLab CE software 2 Connect the Pressure sensor to the NOVA5000 s sensor input starting from I O 1 The sensor is automatically recognized by the MultiLab software 3 Click Setup on the main toolbar and program the data logger s sample rate and number of samples Click Run on the main toolbar to start the measurement Using the Pressure Sensor with the NOVA LINK or MultiLogPRO and MultiLab Software 1 Launch the MultiLab software 2 Connect the Pressure sensor to the data logger s sensor input starting from I O 1 The sensor is automatically recognized by the MultiLab software 3 Click Setup on the main toolbar and program the data logger s sample rate and number of samples Click Run on the main toolbar to start the measurement 1 FOURIER education Selecting units MultiLab displays the data in kPa To change the display to millibar or atmosfer 1 Click Setup on the main toolbar 2 Click Properties next to the Pressure sensor input 3 Select the checkbox next to the desired Pressure unit and click OK Setting the Current Reading of the Pressure Sensor to Zero 1 Launch the MultiLab software from either your PC or NOVA5000 2 Connect the Pressure sensor to the data logger s first sensor input I O 1 The sensor is automatically recognized by the MultiLab software 3 Click Setup on the main
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