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SWR SCIENCE SenseDisc Basic User Manual

Aii-in-one. multi-channel data logger
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Summary of Contents for SWR SCIENCE SenseDisc Basic

  • Page 1 All-In-One USER GUIDE...

  • Page 2: Table Of Contents

    Contents Brief Introduction Hardware Standard Configuration Buttons & ports System Specification Connection of Sensor Modules Stand-alone Mode Interface of Built-in Software Function Usage of Combination with Other Systems Connection Modes Usage of Windows&Mac OSX System Usage of Android Platform Usage of iOS Platform Notes Clean Applicable environment...

  • Page 3: Brief Introduction

    Brief Introduction SenseDisc is a new concept of portable digital experimental system with powerful function, which is available to the experi- mental teaching of primary and secondary schools all over the world. Equipped with wireless & exquisite sensor modules, create a simple and safe experimental environment for students, and they can explore the science world as they wish.

  • Page 4: Hardware

    Hardware Standard Configuration Name Picture SenseDisc Data Logger Screen Stylus USB Cable Power Adapter Universal Joint Aluminium rod Software CD Manual All-In-One USER GUIDE...

  • Page 5: Buttons & Ports

    Buttons & ports Sensor Modules Indicator Light of Power Supply Touch Screen Power Button USB Port Bracket Threaded Hole Slot for Screen Stylus Reset Hole...
  • Page 6 System Information Item Specification Stand-alone mode, Windows, iOS, Platform Android, Mac and etc. Accelerometer (3 Axis), GPS, ambient temp, Built-in sensors barometer and etc. （Each series of different configuration） √ Stand-alone mode √ Max sampling rate 100,000 times/s Sampling Resolution 12-bit Storage Battery...

  • Page 7: Connection Of Sensor Modules

    Connection of Sensor Modules SenseDisc uses surround-type design philosophies, namely the sensor modules and the data logger to form a circle-type connection, 7 sensor modules can be connected to the main body simultaneously; Using pluggable measuring modulus, and these modulus can according the requirements of experiment to be combined freely.

  • Page 8: Stand-Alone Mode

    Stand-alone Mode Before the first usage, please make ensure the power is enough! In the case of power shortage and power unknown, please charging or connect to power supply. When in charging, 1st, connect the USB cable to the power adapter; 2nd, connect the USB cable to the USB port of main body;...

  • Page 9: Interface Of Built-In Software

    Interface of Built-in Software After starting up the SenseDisc, status bar enter into the Home page, you can find the status bar, major functional areas and function button. main function area Status bar: display the date&time, battery, USB, Bluetooth, charging state, sign of experimental function button bar acquisition and etc.
  • Page 10 Click this icon or the Power button, will back to the Home page; Click on any one of the sensor channel, can show the detail information of the corresponding sensor and in three types: digital, bar, meter (e.g. current sensor): Click this icon or the Power button, will back to the previous interface.
  • Page 11 Experiment ：Setting the experimental time and data acquisition frequency. The default frequency is 1/s and with 20 samples. Click this icon , system will start data acquisition; after completing the acquisition, experimental data will be saved automatically. Click this icon or the Power button, will back to the Home page.

  • Page 12: Usage Of Combination With Other Systems

    Usage of Combination with Other Systems SenseDisc not only support the stand-alone mode, also support wired and wireless connection mode. Multiple operating platforms like Windows, Mac OSX, Android, iOS, can realize the real-time data acquisition via combined with PC, laptop and ipad. There is a briefly introduction as follows, and the detailed instructions please refer to SenseDisc iLab software manual.

  • Page 13: Usage Of Windows&Mac Osx System

    Usage of Windows&Mac OSX System Wired Connection Connect SenseDisc to computer by USB cable: Click the software icon , enter into the main interface: Click this icon , choose “USB”, click“OK”:...
  • Page 14 For example, click this , choose“current”, click “OK”, set the “Current-Time” coordinate system, then click this icon to start data acquisition: Wireless Connection Please make sure the power is sufficient before use! Starting up the SenseDisc, choose , slide to open Bluetooth Click the software icon , click in the Home page, choose “Bluetooth”...

  • Page 15: Usage Of Android Platform

    Usage of Android Platform Wired Connection Connect the SenseDisc to the Pad datalogger(Android) by USB cable, as follows: Click the software icon , enter into the Home page: Click , choose “Bluetooth” , then click “OK”:...
  • Page 16 Click , enter the experimental page: Choose template , enter experimental platform: Click , (for example: current), choose“current”, click“OK”, create the “Current-Time” coordinate system: Click , start data acquisition:...

  • Page 17: Usage Of Ios Platform

    Wireless Connection Before use, make ensure the power is enough! Starting up the SenseDisc, choose , slide to open Bluetooth Click , click , choose “Bluetooth”, then click “OK”; other steps are same with wired connection: Usage of iOS Platform Before use, make ensure the power is enough! Starting up the SenseDisc, choose , slide to open Bluetooth...
  • Page 18 Click“scan”, then click “scan Bluetooth”: Choose “SenseDisc”, this connection will be created successfully after prompted “Successful”; Open , enter into the Click , enter into the experimental page: experimental platform: For example: current, choose“current”, click“OK”, to create the “Current-Time” coordinate system, click to start data acquisition:...

  • Page 19: Notes

    Notes Clean If there have stains on the surface, please clean with wet towel or cloth to wipe the device; Do not be immersed in water or wash with detergent. Applicable environ ment The SenseDisc is apply to -10~70 ℃ and 0~95%RH ( Noncondensation ). Storage Storage in dry and shade environment with room temperature;...

  • Page 20: Common Problems And Their Solutions

    Common problems and their solutions Can not work please make sure the SenseDisc is in charging firstly; then long press the power button, or press the reset hole to reboot. Can not connect with external devices: check that whether the driver is installed properly, if can not installed automatically, try to manually install: search the install position of the software, open the corresponding folder, find the folder which named "Drive"...

  • Page 21: Configure Table Of Sensor Modules

    Configure Table of Sensor Modules Basic Advance Physics Biochem Environ No./Series SD0010 SD0020 SD0030 SD0040 SD0050 S0001 Voltage S0002 mV S0005 Current S0009 Temperature S0013 Thermocoup S0014 Force S0015 Motion S0016 Photogate S0019 Light S0021 Sound Level S0024 Heart Rate S1002 pH S1003 Conductivity S1005 Dissolved O...
  • Page 22 Sensor Manual for Basic...
  • Page 23 Voltage sensor S0001 Range: -30~30V Accuracy: ±1% Resolution: 0.02V Input impedence: 2MΩ Voltage sensor is used to measure the electric potential difference at both ends of the electrical equipments or circuits, after the circuit of voltage sensor transfering the voltage it collects, then it can realize the measurement.
  • Page 24 Calibration Calibrate the voltage sensor before use Short connected the red-black crocodile clips of voltage sensor Open ，click ，choose“voltage sensor”， click“Calibration”,then click“OK”. Typical experiment Measure the voltage at both ends of small bulb Build a simple circuit Measure the electromotive force of dry battery Case: Measure the EMF of dry battery Notice：...
  • Page 25 Current sensor S0005 Range: -1~1A Accuracy: ±1% Resolution: 0.001A Internal resistance: 0.22Ω Current sensor is used to measure the current in circuit. When current is passing the sampling resistance, it will form a tiny electric potential difference at both ends of the resistance; After enlarging the circuit, it can accurately measure the current in DC circuit or low-volt- age AC.
  • Page 26 Calibration Calibrate the current sensor before use Short connected the red-black crocodile clips of current sensor Open ，click ，choose “current sensor”, click“Calibration”,then click“OK”. Typical experiment Serial-parallel circuit of resistance Measure the VA characteristic curve of small bulb Measure the electrodynamic potential and internal resistance of battery Ohm's Law Case: measure the VA characteristic curve of small bulb...
  • Page 27 Temperature sensor S0009 Range: -40~135℃ Accuracy: ±0.6℃ Resolution: 0.1℃ Temperature sensor adopts the NTC electronic temperature sensing element, when the ambient temperature changes, the NTC resistance changes accordingly. Normally the temperature needs no zero calibra- tion and with relatively higher stability; therefore, the temperature sensor is rather popular in the low-middle temperature measurements.
  • Page 28 Typical experiment Measuring the temperature of the hot and cold water Water Cooling Explore the direction of heat transfer Explore the endothermic effects of different colors of objects Converging lens effect Case: water cooling Notice： We can't put any part of the sensor on the open flame or heating plate directly When measure the temperature of liquid, should avoid the other partially of sensor immersed in liquid except stainless steel rod...
  • Page 29 Light sensor S0019 Range: 0~55000Lux Accuracy: ±5% Resolution: 15Lux Light sensor uses the silicon photoelectric cell as the sensing element; it can convert the light ntensity into a voltage signal, keeping a direct proportion. For the sensor, the effective light spectrum is in the range of 380nm to 730nm, it is an ideal intensity sensor for visible light.
  • Page 30 Typical experiment Explore the effects of light intensity on photosynthesis Explore the relation between light intensity and distance Measure the light intensity of environment Case: Measure the light intensity of environment Notice： When use, always maintain the probe of sensor that facing light source Don't wear or scratch the receives of probe...
  • Page 31 Sound level sensor S0021 Range: 40~92dB Accuracy: ±4dB Resolution: 0.1dB Sound sensor can measure the intensity of environmental sound. Use the electret microphone collecting the sound signal , after amplifying processing, can output the value of sound intensity. Component Type Name Illustration Sound level sensor...
  • Page 32 Typical experiment Measure the level of sound intensity Measure the noise of environment Case: Measure the noise of environment Notice： Ensure that the measured sound intensity within the range. If over range, let the sensor away from the sound source or reduce the sound level The sensor are not waterproof, if in the humid environment, must do the protection measures to avoid the liquid into the sensor...
  • Page 33 Heart rate sensor S1024 Range: 0-200 bpm Resolution: ±2 bpm Accuracy: 1 bpm Heart rate sensor is used to detect heart rate of human body. The probe adopts a transmissive ear clip, when in use, make the clip onto the ear lobe of the tester. Component Type Name...
  • Page 34 Typical experiment Test on human heart rate Case: Test on human heart rate Notice: If the water vapor condensation in the detected environment (when is very humid ), must prevent liquid invasion to the circuit part of sensor The response speed of humidity sensor will be faster in the flow air If measured environment are very dirty, you should cover the ear clip by nylon cloth to avoid pollution...
  • Page 35 Motion sensor S0015 Range: 20~600cm Accuracy: ±2% Resolution: 0.1cm Motion sensor is a sonar equipment emitting ultrasonic pulse, it receives signal through the reflection of object, and then measure the time T when the high frequency sound wave goes around between the object and sensor;...
  • Page 36 Typical experiment Curve of uniform linear motion and uniform variable rectilinear motion Simple harmonic motion Forced vibration Case: explore the curve of uniform variable rectilinear motion Notice： When use ,should pay attention to the blind area of measuring sensor To ensure the accuracy of measurement results, the reflection surface of measured object should be facing the probe of sensor and as large as possible We should pay attention: motion sensor only can sense the motion of...
  • Page 37 Sensor Manual for Advance...
  • Page 38 Absolute pressure sensor S0024 Range: 0~400kPa Accuracy: ±6kPa Absolute pressure sensor is used to measure the absolute pressure of air, it is connected with the exterior air under measurement by the front luer, whereas the luer and the sealed vacuum reference cavity inside the sensor forms a pressure difference;...
  • Page 39 Calibration Absolute pressure sensor can be used directly，if you want exact measurements, please calibrate as follows: Air pressure sensor - will be placed on the stable pressure environment in current Open ，click ， choose“Absolute pressure sensor”，click “Calibration”，enter a value（within range），click“OK” Typical experiment Boyle's Law Charles' Law...
  • Page 40 Current sensor S0005 Range: -1~1A Accuracy: ±1% Resolution: 0.001A Internal resistance: 0.22Ω Current sensor is used to measure the current in circuit. When current is passing the sampling resistance, it will form a tiny electric potential difference at both ends of the resistance; After enlarging the circuit, it can accurately measure the current in DC circuit or low-volt- age AC.
  • Page 41 Calibration Calibrate the current sensor before use Short connected the red-black crocodile clips of current sensor Open ，click ，choose “current sensor”, click“Calibration”,then click“OK”. Typical experiment Serial-parallel circuit of resistance Measure the VA characteristic curve of small bulb Measure the electrodynamic potential and internal resistance of battery Ohm's Law Case: measure the VA characteristic curve of small bulb...
  • Page 42 Light sensor S0019 Range: 0~55000Lux Accuracy: ±5% Resolution: 15Lux Light sensor uses the silicon photoelectric cell as the sensing element; it can convert the light ntensity into a voltage signal, keeping a direct proportion. For the sensor, the effective light spectrum is in the range of 380nm to 730nm, it is an ideal intensity sensor for visible light.
  • Page 43 Typical experiment Explore the effects of light intensity on photosynthesis Explore the relation between light intensity and distance Measure the light intensity of environment Case: Measure the light intensity of environment Notice： When use, always maintain the probe of sensor that facing light source Don't wear or scratch the receives of probe...
  • Page 44 pH sensor S1002 Range: 0~14 Accuracy: ±0.2 Resolution: 0.01 The pH electrode composes of an internal reference electrode and an glass electrode. It is mainly used to measure the hydrogen ion concen- tration of a solution and show the pH value of the solution. Component Type Name...
  • Page 45 Typical experiment Acid-base neutralization titration pH value of different solutions Acidity of phenol The mechanism of organism that maintain pH stability Study on impact of pH value on pectinase activity Case: Measure the pH value of orange juice Notice： Rinse the electrodes before each measurement, do not use absorbent paper to wipe the glass ball of electrode, this may lead the electrode does not work, you'd better rinse the electrodes by measured solution In order to keep the exchange process of electrode ion occurred, the glass...
  • Page 46 Temperature sensor S0009 Range: -40~135℃ Accuracy: ±0.6℃ Resolution: 0.1℃ Temperature sensor adopts the NTC electronic temperature sensing element, when the ambient temperature changes, the NTC resistance changes accordingly. Normally the temperature needs no zero calibra- tion and with relatively higher stability; therefore, the temperature sensor is rather popular in the low-middle temperature measurements.
  • Page 47 Typical experiment Water cooling Liquid's evaporation cooling Energy conversion The relation between boiling point of liquid and air pressure Measure the heat of acid-base neutralization reaction Compare the heat conductivity of different materials The germination of seed Case: water cooling Notice：...
  • Page 48 Relative humidity sensor S1008 Range: 0~100% Accuracy: ±4%（10%~90%RH） Resolution: 0.1% The relative humidity sensor is designed based on the sensitive humidity prototype, namely a polymer capacitance, and its capacitance will vary with the environmental humidity. The humidity sensor is designed to monitor the relative humidity of air. Component Type Name...
  • Page 49 Typical experiment Measurement on the change of environmental humidity Hydroscopicity of concentrated sulfuric acid Design and make an ecological cylinder and observe its stability Transpiration of plant Case: Hydroscopicity of concentrated sulfuric acid Notice: If the water vapor condensation in the detected environment (when is very humid ), must prevent liquid invasion to the circuit part of sensor The response speed of humidity sensor will be faster in the flow air If measured environment are very dirty, you should cover sensor by...
  • Page 50 Sound level sensor S0021 Range: 40~92dB Accuracy: ±4dB Resolution: 0.1dB Sound sensor can measure the intensity of environmental sound. Use the electret microphone collecting the sound signal , after amplifying processing, can output the value of sound intensity. Component Type Name Illustration S0021...
  • Page 51 Typical experiment Measure the level of sound intensity Measure the noise of environment Case: Measure the noise of environment Notice： Ensure that the measured sound intensity within the range. If over range, let the sensor away from the sound source or reduce the sound level The sensor are not waterproof, if in the humid environment, must do the protection measures to avoid the liquid into the sensor...
  • Page 52 Motion sensor S0015 Range: 20~600cm Accuracy: ±2% Resolution: 0.1cm Motion sensor is a sonar equipment emitting ultrasonic pulse, it receives signal through the reflection of object, and then measure the time T when the high frequency sound wave goes around between the object and sensor;...
  • Page 53 Typical experiment Curve of uniform linear motion and uniform variable rectilinear motion Simple harmonic motion Forced vibration Case: Explore the curve of uniform variable rectilinear motion Notice： When use ,should pay attention to the blind area of measuring sensor To ensure the accuracy of measurement results, the reflection surface of measured object should be facing the probe of sensor and as large as possible We should pay attention: motion sensor only can sense the motion of...
  • Page 54 mV sensor S0002 Range: -500~500mV Accuracy: ±1% Resolution: 0.3mV Input impedence: 500KΩ mV sensor is used to measure the electric potential difference at both ends of electric equipment or circuit. After dividing the voltage collected by the circuit of the micro voltage sensor, it can measure the mV in DC circuit or low-voltage AC circuit.
  • Page 55 Calibration Calibrate the mV sensor before use Short connected the red-black crocodile clips of mV sensor Open ，click ，choose“mV sensor”，click“Calibration”,then click“OK”. Typical experiment Solar power Primary cell Faraday’s law of electromagnetic induction Case: Primary cell Notice： mV sensor should be parallel into the circuit when in usage Calibration before using mV sensor mV sensor can not bear the voltage over 250V...
  • Page 56 Voltage sensor S0001 Range: -30~30V Accuracy: ±1% Resolution: 0.02V Input impedence: 2MΩ Voltage sensor is used to measure the electric potential difference at both ends of the electrical equipments or circuits, after the circuit of voltage sensor transfering the voltage it collects, then it can realize the measurement.
  • Page 57 Calibration Calibrate the voltage sensor before use Short connected the red-black crocodile clips of voltage sensor Open ，click ，choose“voltage sensor”， click“Calibration”,then click“OK”. Typical experiment Serial-parallel circuit of resistance Measure the VA characteristic curve of small bulb Ohm's Law Resistance law Charging &...
  • Page 58 Conductivity sensor S1003 Range: 0~20000μs/cm Accuracy: ±4% Resolution: 6μs/cm The conductivity sensor is used to measure the conductivity of solution and its change. It couldn’t distinguish the category of solution’s ions, but can determine the total ionic concentration of solution. Component Type Name...
  • Page 59 Typical experiment Comparison on the conductivity of different water Reaction of phenol and saturated bromine water Study on the purity of drinking water Relation between cell size and material transport Case: Ionization of glacial acetic acid Notice： After experiment, clean the electrode thoroughly, to avoid pollution before next time when you are using Clean after usage, wipe with absorbent paper and storage.
  • Page 60 Dissolved oxygen sensor S1005 Range: 0~20mg/L Accuracy: ±0.4mg/L（10~35℃） The probe of the dissolved oxygen sensor works as per the polarogram measurement principle. The probe electrode composes of the anode, cathode and membrane. When is usage, immerse the electrode into the solution and apply the electric potential between the anode and the cathode to generate the electrochemical reaction;...
  • Page 61 Typical experiment Study the breathing way of saccharomycetes Study the dissolved oxygen of different water Factors that effect plant photosynthesis Case: study the breathing way of saccharomycetes Notice： Avoid contact with oil or other organic matter If there have scale on electrode, immerse it in the 10% hydrochloric acid solution for 3 minutes, then rinse by clean water;...
  • Page 62 Heart rate sensor S1024 Range: 0-200bpm Accuracy: 1bpm Resolution: ±2bpm Heart rate sensor is used to detect heart rate of human body. The probe adopts a transmissive ear clip, when in use, make the clip onto the ear lobe of the tester. Component Type Name...
  • Page 63 Typical experiment Test on human heart rate Case: Test on human heart rate Notice: If the water vapor condensation in the detected environment (when is very humid ), must prevent liquid invasion to the circuit part of sensor The response speed of humidity sensor will be faster in the flow air If measured environment are very dirty, you should cover the ear clip by nylon cloth to avoid pollution...
  • Page 64 Thermocouple sensor S0013 Range: -200 to 1200℃ Accuracy: ±6℃(-200-0℃) ±3℃(0-200℃) ±6℃(200~1200℃) Resolution: 0.25℃ The thermocouple sensor can be used to measure higher temperature. In the physical and chemical experiment in middle school, it can measure the temperature of flame directly, there is no need to worry about whether the cable could be damaged by high temperature.
  • Page 65 Typical experiment Measurement of acid-base reaction heat The hot water cooling Explore the temperature changes when a solid melts Explore different parts of the alcohol lamp flame temperature Case: Explore the temperature changes when a solid melts Notice: When in use, do not exceed the sensor’s measuring range Probe can be immersed in corrosive liquids or object for measurement, but remember to wipe the probe after testing, and keep it dry for storage...
  • Page 66 Force sensor S0014 Range: -50~50N Accuracy: ±1% Resolution: 0.03N Force sensor has adopted a resistance strain member to convert the force into the voltage message. After circuit amplification and process- ing the voltage message, we can measure the force value accurately. Component Type Name...
  • Page 67 Calibration Calibrate the Force sensor before use Firstly, tighten and fixed the hook of force sensor Measuring what state forces that placed the force sensor at what state (such as measuring the horizontal force, placed the Force sensor at horizontal ) Open ，click ，choose“Force sensor”，click“Calibration”, then...
  • Page 68 Sensor Manual for Physics...
  • Page 69 Absolute pressure sensor S0024 Range: 0~400kPa Accuracy: ±6kPa Absolute pressure sensor is used to measure the absolute pressure of air, it is connected with the exterior air under measurement by the front luer, whereas the luer and the sealed vacuum reference cavity inside the sensor forms a pressure difference;...
  • Page 70 Calibration Absolute pressure sensor can be used directly，if you want exact measurements, please calibrate as follows: Absolute pressure sensor - will be placed on the stable pressure environment in current Open ，click ， choose“Absolute pressure sensor”，click “Calibration”，enter a value（within range），click“OK” Typical experiment Boyle's Law Charles' Law...
  • Page 71 Voltage sensor S0001 Range: -30~30V Accuracy: ±1% Resolution: 0.02V Input impedence: 2MΩ Voltage sensor is used to measure the electric potential difference at both ends of the electrical equipments or circuits, after the circuit of voltage sensor transfering the voltage it collects, then it can realize the measurement.
  • Page 72 Calibration Calibrate the voltage sensor before use Short connected the red-black crocodile clips of voltage sensor Open ，click ，choose“voltage sensor”， click“Calibration”,then click“OK”. Typical experiment Serial-parallel circuit of resistance Measure the VA characteristic curve of small bulb LC oscillation Ohm's Law Case: Ohm’s Law Notice：...
  • Page 73 Light sensor S0019 Range: 0~55000Lux Accuracy: ±5% Resolution: 15Lux Light sensor uses the silicon photoelectric cell as the sensing element; it can convert the light ntensity into a voltage signal, keeping a direct proportion. For the sensor, the effective light spectrum is in the range of 380nm to 730nm, it is an ideal intensity sensor for visible light.
  • Page 74 Typical experiment Explore the relation between light intensity and distance Measure the light intensity of environment Case: Explore the relation between illumination intensity and distance Notice： When use, always maintain the probe of sensor that facing light source Don't wear or scratch the receives of probe...
  • Page 75 Temperature sensor S0009 Range: -40~135℃ Accuracy: ±0.6℃ Resolution: 0.1℃ Temperature sensor adopts the NTC electronic temperature sensing element, when the ambient temperature changes, the NTC resistance changes accordingly. Normally the temperature needs no zero calibra- tion and with relatively higher stability; therefore, the temperature sensor is rather popular in the low-middle temperature measurements.
  • Page 76 Typical experiment Water cooling Water freezes and ice melt Energy conversion The relation between boiling point of liquid and air pressure Compare the heat conductivity of different material Case: Water cooling Notice： We can't put any part of the sensor on the open flame or heating plate directly When measure the temperature of liquid, should avoid the other partially of sensor immersed in liquid except stainless steel rod...
  • Page 77 Current sensor S0005 Range: -1~1A Accuracy: ±1% Resolution: 0.001A Internal resistance: 0.22Ω Current sensor is used to measure the current in circuit. When current is passing the sampling resistance, it will form a tiny electric potential difference at both ends of the resistance; After enlarging the circuit, it can accurately measure the current in DC circuit or low-volt- age AC.
  • Page 78 Calibration Calibrate the current sensor before use Short connected the red-black crocodile clips of current sensor Open ，click ，choose “current sensor”, click“Calibration”,then click“OK”. Typical experiment Serial-parallel circuit of resistance Measure the VA characteristic curve of small bulb Measure the electrodynamic potential and internal resistance of battery Ohm's Law Case: Measure the VA characteristic curve of small bulb...
  • Page 79 Sound level sensor S0021 Range: 40~92dB Accuracy: ±4dB Resolution: 0.1dB Sound sensor can measure the intensity of environmental sound. Use the electret microphone collecting the sound signal , after amplifying processing, can output the value of sound intensity. Component Type Name Illustration S0021...
  • Page 80 Typical experiment Measure the level of sound intensity Measure the noise of environment Case: Measure the noise of environment Notice： Ensure that the measured sound intensity within the range. If over range, let the sensor away from the sound source or reduce the sound level The sensor are not waterproof, if in the humid environment, must do the protection measures to avoid the liquid into the sensor...
  • Page 81 Motion sensor S0015 Range: 20~600cm Accuracy: ±2% Resolution: 0.1cm Motion sensor is a sonar equipment emitting ultrasonic pulse, it receives signal through the reflection of object, and then measure the time T when the high frequency sound wave goes around between the object and sensor;...
  • Page 82 Typical experiment Curve of uniform linear motion and uniform variable rectilinear motion Simple harmonic motion To explore the trajectory of the object The movement of bubbles Measure the velocity via sensor Case: Explore the curve of uniform variable rectilinear motion Notice：...
  • Page 83 mV sensor S0002 Range: -500~500mV Accuracy: ±1% Resolution: 0.3mV Input impedence: 500KΩ mV sensor is used to measure the electric potential difference at both ends of electric equipment or circuit. After dividing the voltage collected by the circuit of the micro voltage sensor, it can measure the mV in DC circuit or low-voltage AC circuit.
  • Page 84 Calibration Calibrate the current sensor before use Short connected the red-black crocodile clips of current sensor Open ，click ，choose“mV sensor”，click“Calibration”,then click“OK”. Typical experiment Faraday’s law of electromagnetic induction Solar power Primary cell Case: Primary cell Notice： mV sensor should be parallel into the circuit when in usage Calibration before using mV sensor mV sensor can not bear the voltage over 250V...
  • Page 85 Force sensor S0014 Range: -50~50N Accuracy: ±1% Resolution: 0.03N Force sensor has adopted a resistance strain member to convert the force into the voltage message. After circuit amplification and process- ing the voltage message, we can measure the force value accurately. Component Type Name...
  • Page 86 Calibration Calibrate the Force sensor before use Firstly, tighten and fixed the hook of force sensor Measuring what state forces that placed the force sensor at what state (such as measuring the horizontal force, placed the Force sensor at horizontal ) Open ，click ，choose“Force sensor”，click“Calibration”, then...
  • Page 87 Photogate S0016 Range: 0~∞s Accuracy: ±1μs Resolution: 1μs In essence, the photogate sensor is a digital-switch sensor, with the infrared emitter and infrared receiver at both ends respectively. If the infrared receiver receives the light beam,the photogate sensor will be in low-voltage (on-state);...
  • Page 88 Typical experiment Explore the relationship among force, mass and acceleration Simple pendulum Theorem of momentum Mechanical Energy Conservation Law Freely-falling body motion Case: Freely-falling body motion Notice： Calibrate the phtotgate sensor before usage Installation of phtotgate sensor is varied, should according to the specific experimental flexibly assembled, pay attention that accurate positioning and firm connection in the assembly process The phtotgate is very sensitive to the high intensity infrare and heat of...
  • Page 89 Sensor Manual for Biochemistry...
  • Page 90 Absolute pressure sensor S0024 Range: 0~400kPa Accuracy: ±6kPa Absolute pressure sensor is used to measure the absolute pressure of air, it is connected with the exterior air under measurement by the front luer, whereas the luer and the sealed vacuum reference cavity inside the sensor forms a pressure difference;...
  • Page 91 Calibration Absolute pressure sensor can be used directly，if you want exact measurements, please calibrate as follows: Absolute pressure sensor - will be placed on the stable pressure environment in current Open ，click ， choose“Absolute pressure sensor”，click “Calibration”，enter a value（within range），click“OK” Typical experiment Boyle's Law Charles' Law...
  • Page 92 Conductivity sensor S1003 Range: 0~20000μs/cm Accuracy: ±4% Resolution: 6μs/cm The conductivity sensor is used to measure the conductivity of solution and its change. It couldn’t distinguish the category of solution’s ions, but can determine the total ionic concentration of solution. Component Type Name...
  • Page 93 Typical experiment Comparison on the conductivity of different water Reaction of phenol and saturated bromine water Study on the purity of drinking water Relation between cell size and material transport Case: Ionization of glacial acetic acid Notice： After experiment, clean the electrode thoroughly, to avoid pollution before next time when you are using Clean after usage, wipe with absorbent paper and storage.
  • Page 94 Light sensor S0019 Range: 0~55000Lux Accuracy: ±5% Resolution: 15Lux Light sensor uses the silicon photoelectric cell as the sensing element; it can convert the light ntensity into a voltage signal, keeping a direct proportion. For the sensor, the effective light spectrum is in the range of 380nm to 730nm, it is an ideal intensity sensor for visible light.
  • Page 95 Typical experiment Explore the effects of light intensity on photosynthesis Measure the light intensity of environment Case: Measure the light intensity of environment Notice： When use, always maintain the probe of sensor that facing light source Don't wear or scratch the receives of probe...
  • Page 96 Thermocouple sensor S0013 Range: -200 to 1200℃ Accuracy: ±6℃(-200-0℃) ±3℃(0-200℃) ±6℃(200~1200℃) Resolution: 0.25℃ The thermocouple sensor can be used to measure higher temperature. In the physical and chemical experiment in middle school, it can measure the temperature of flame directly, there is no need to worry about whether the cable could be damaged by high temperature.
  • Page 97 Typical experiment The hot water cooling Explore different parts of the alcohol lamp flame temperature Case: The hot water cooling Notice: When in use, do not exceed the sensor’s measuring range Probe can be immersed in corrosive liquids or object for measurement, but remember to wipe the probe after testing, and keep it dry for storage...
  • Page 98 Heart rate sensor S1024 Range: 0-200bpm Accuracy: 1bpm Resolution: ±2bpm Heart rate sensor is used to detect heart rate of human body. The probe adopts a transmissive ear clip, when in use, make the clip onto the ear lobe of the tester. Component Type Name...
  • Page 99 Typical experiment Test on human heart rate Case: Test on human heart rate Notice: If the water vapor condensation in the detected environment (when is very humid ), must prevent liquid invasion to the circuit part of sensor The response speed of humidity sensor will be faster in the flow air If measured environment are very dirty, you should cover the ear clip by nylon cloth to avoid pollution...
  • Page 100 Relative Humidity sensor S1008 Range: 0~100% Accuracy: ±4%（10%~90%RH） Resolution: 0.1% The relative humidity sensor is designed based on the sensitive humidity prototype, namely a polymer capacitance, and its capacitance will vary with the environmental humidity. The humidity sensor is designed to monitor the relative humidity of air. Component Type Name...
  • Page 101 Typical experiment Measurement on the change of environmental humidity Design and make an ecological cylinder and observe its stability Transpiration of plant Case: Measurement on the change of environmental humidity Notice: If the water vapor condensation in the detected environment (when is very humid ), must prevent liquid invasion to the circuit part of sensor The response speed of humidity sensor will be faster in the flow air If measured environment are very dirty, you should cover sensor by...
  • Page 102 pH sensor S1002 Range: 0~14 Accuracy: ±0.2 Resolution: 0.01 The pH electrode composes of an internal reference electrode and an glass electrode. It is mainly used to measure the hydrogen ion concen- tration of a solution and show the pH value of the solution. Component Type Name...
  • Page 103 Typical experiment The physical and chemical properties determination of water Measurement of soil acid and alkaline To explore reaction of carbon dioxide with clarify whitewash Properties difference of different concentration solutions (pH) Volatilization of concentrated ammonia and dissolution of ammonia Case: Measure the pH value of orange juice Notice：...
  • Page 104 Temperature sensor S0009 Range: -40~135℃ Accuracy: ±0.6℃ Resolution: 0.1℃ Temperature sensor adopts the NTC electronic temperature sensing element, when the ambient temperature changes, the NTC resistance changes accordingly. Normally the temperature needs no zero calibra- tion and with relatively higher stability; therefore, the temperature sensor is rather popular in the low-middle temperature measurements.
  • Page 105 Typical experiment Water cooling Liquid's evaporation cooling Energy conversion The relation between boiling point of liquid and air pressure Measure the heat of acid-base neutralization reaction Compare the heat conductivity of different materials The germination of seed Case: Water cooling Notice：...
  • Page 106 Dissolved oxygen sensor S1005 Range: 0~20mg/L Accuracy: ±0.4mg/L（10~35℃） The probe of the dissolved oxygen sensor works as per the polarogram measurement principle. The probe electrode composes of the anode, cathode and membrane. When is usage, immerse the electrode into the solution and apply the electric potential between the anode and the cathode to generate the electrochemical reaction;...
  • Page 107 Typical experiment Study the breathing way of saccharomycetes Study the dissolved oxygen of different water Factors that effect plant photosynthesis Case: study the breathing way of saccharomycetes Notice： Avoid contact with oil or other organic matter If there have scale on electrode, immerse it in the 10% hydrochloric acid solution for 3 minutes, then rinse by clean water;...
  • Page 108 Sensor Manual for Environment...
  • Page 109 UV sensor S1040 Range: 0~400 W/m2 Accuracy: ±5% UV sensor is an experimental device used for detecting ultraviolet strength, radiation scope during 100nm to 400nm in the electromagnet- ic spectrum belongs to the ultraviolet wavelength range, UV sensor can transform the received uv intensity into a proportional output voltage signal.
  • Page 110 Typical experiment Detect ultraviolet strength in photoelectric effect Impact of different intensities of ultraviolet ray on biological survival rate Case: Detect ultraviolet strength in photoelectric effect Notice: In experiment, the UV sensor was placed under ultraviolet irradiation , the human eyes can not touch ultraviolet light directly According to different experimental conditions, adjusting the acquisition time and frequency in the software...
  • Page 111 pH sensor S1002 Range: 0~14 Accuracy: ±0.2 Resolution: 0.01 The pH electrode composes of an internal reference electrode and an glass electrode. It is mainly used to measure the hydrogen ion concen- tration of a solution and show the pH value of the solution. Component Type Name...
  • Page 112 Typical experiment The physical and chemical properties determination of water Measurement of soil acid and alkaline To explore reaction of carbon dioxide with clarify whitewash Properties difference of different concentration solutions (pH) Volatilization of concentrated ammonia and dissolution of ammonia Case: Measure the pH value of orange juice Notice：...
  • Page 113 Sound level sensor S0021 Range: 40~92dB Accuracy: ±4dB Resolution: 0.1dB Sound sensor can measure the intensity of environmental sound. Use the electret microphone collecting the sound signal , after amplifying processing, can output the value of sound intensity. Component Type Name Illustration S0021...
  • Page 114 Typical experiment Measure the level of sound intensity Measure the noise of environment Case: Measure the noise of environment Notice： Ensure that the measured sound intensity within the range. If over range, let the sensor away from the sound source or reduce the sound level The sensor are not waterproof, if in the humid environment, must do the protection measures to avoid the liquid into the sensor...
  • Page 115 Light sensor S0019 Range: 0~55000Lux Accuracy: ±5% Resolution: 15Lux Light sensor uses the silicon photoelectric cell as the sensing element; it can convert the light ntensity into a voltage signal, keeping a direct proportion. For the sensor, the effective light spectrum is in the range of 380nm to 730nm, it is an ideal intensity sensor for visible light.
  • Page 116 Typical experiment Explore the effects of light intensity on photosynthesis Explore the relation between light intensity and distance Measure the light intensity of environment Case: Measure the light intensity of environment Notice： When use, always maintain the probe of sensor that facing light source Don't wear or scratch the receives of probe...
  • Page 117 Relative Humidity sensor S1008 Range: 0~100% Accuracy: ±4%（10%~90%RH） Resolution: 0.1% The relative humidity sensor is designed based on the sensitive humidity prototype, namely a polymer capacitance, and its capacitance will vary with the environmental humidity. The humidity sensor is designed to monitor the relative humidity of air. Component Type Name...
  • Page 118 Typical experiment Measurement on the change of environmental humidity Design and make an ecological cylinder and observe its stability Transpiration of plant Case: Measurement on environmental humidity Notice: If the water vapor condensation in the detected environment (when is very humid ), must prevent liquid invasion to the circuit part of sensor The response speed of humidity sensor will be faster in the flow air If measured environment are very dirty, you should cover sensor by nylon cloth to avoid pollution...
  • Page 119 Temperature sensor S0009 Range: -40~135℃ Accuracy: ±0.6℃ Resolution: 0.1℃ Temperature sensor adopts the NTC electronic temperature sensing element, when the ambient temperature changes, the NTC resistance changes accordingly. Normally the temperature needs no zero calibra- tion and with relatively higher stability; therefore, the temperature sensor is rather popular in the low-middle temperature measurements.
  • Page 120 Typical experiment Water cooling Measure the temperature of hot and cold water To explore the heat transfer direction Compare the heat conductivity of different materials The convex lens convergence effect Case: Water cooling Notice： We can't put any part of the sensor on the open flame or heating plate directly When measure the temperature of liquid, should avoid the other partially of sensor immersed in liquid except stainless steel rod...
  • Page 121 Dissolved oxygen sensor S1005 Range: 0~20mg/L Accuracy: ±0.4mg/L（10~35℃） The probe of the dissolved oxygen sensor works as per the polarogram measurement principle. The probe electrode composes of the anode, cathode and membrane. When is usage, immerse the electrode into the solution and apply the electric potential between the anode and the cathode to generate the electrochemical reaction;...
  • Page 122 Typical experiment Study the breathing way of saccharomycetes Study the dissolved oxygen of different water Factors that effect plant photosynthesis Case: study the breathing way of saccharomycetes Notice： Avoid contact with oil or other organic matter If there have scale on electrode, immerse it in the 10% hydrochloric acid solution for 3 minutes, then rinse by clean water;...
  • Page 123 The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. JIANGSU SWR SCIENCE & TECHNOLOGY CO., LTD. Address: No.14 Junnong Road, Qinhuai District, Nanjing, Jiangsu Province, China P.C.: 210007...

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