Range : N/A
Accuracy : ±2m

The positioning function in GPS sensor, can find the georeferenced of experimental location, the error of positioning accuracy is no less than 2m, and can record the moving tracks of position. We also can use the GPS sensor to record different experimental location, to explore the differences of experiment in different area.

Ambient Temperature
Range : -10~+85℃
Accuracy : ±1℃

For measuring the ambient temperature, especially for some experiments have huge effect that produced by temperature, can according the current temperature to adjust a right environment for the experiment. Furthermore, can also used to monitor the change of air temperature throughout the day.

Range : 50~110kPa
Accuracy : ±4kPa (relative accuracy: 0.05kPa)

For measuring the atmospheric pressure of the surrounding environment, can sensitively reflect the changes of atmospheric pressure due to the change of elevation. In the experiment, it is helpful for analyze the effects of atmospheric pressure on experiment, to make the experiment more accurate and more scientific.

Range : 0~400W/m2
Accuracy : ±5%

UV sensor is an experimental device used for detecting ultraviolet strength, radiation scope during 100nm to 400nm in the electromagnetic spectrum belongs to the ultraviolet wavelength range, UV sensor can transform the received uv intensity into a proportional output voltage signal.

Typical Experiment
  • Detect ultraviolet strength in photoelectric effect
  • Impact of different intensities of ultraviolet ray on biological survival rate
pH Sensor
Range : 0~14
Accuracy : ±0.2pH

The pH electrode composes of an internal reference electrode and an glass electrode. It is mainly used to measure the hydrogen ion concentration of a solution and show the pH value of the solution.

Typical Experiment
  • Acid-base neutralization titration
  • pH value of different solutions
  • Acidity of phenol
  • Mechanism of organism for maintaining pH stability
  • Study on impact of pH value on pectinase activity
Sound Level Sensor
Range : 40~92dB
Accuracy : ±4dB

Sound sensor not only can measure the strength of sound (dB) within two measuring ranges, but also be used to measure the wave form (mV) of sound directly. With a frequency response rate, so that the sound sensor can measure sound speed and catch sound's wave form.

Typical Experiment
  • Measure the level of sound intensity
  • Measure the environmental intensity of noise
  • Measure the velocity of sound in the air
  • Synthesis of sound wave
  • Resonance of sound wave
Light Sensor
Range : 0~55000lux
Accuracy : ±5%

Light sensor uses the silicon photoelectric cell as the sensing element; it can convert the light intensity into a voltage signal, keeping a direct proportion. For the sensor, the effective light spectrum is in a range of 380nm and 730nm, it is an ideal intensity sensor for visible light.

Typical Experiment
  • Study the relation between illumination intensity and distance
  • Study the diffraction, interference, polarization of light
Relative Humidity Sensor
Range : 0~100%
Accuracy : ±4%(10%~90%RH)

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.

Typical Experiment
  • Measurement on the change of environmental humidity
  • Hydroscopicity of the concentrated sulfuric acid
  • Design and make an ecological cylinder and observe its stability
Temperature Sensor
Range : -40℃~+135℃
Accuracy : ±0.5℃

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 calibration and with relatively higher stability; therefore, the temperature sensor is rather popular in the low-middle temperature measurements.

Typical Experiment
  • Cooling water naturally
  • Liquid's evaporation cooling
  • Work-to-internal energy conversion
  • Study the thermoelectricity phenomena
  • The convex lens convergence effect
Dissovled Oxygen Sensor
Range : 0~20mg/L
Accuracy : ±0.1mg/L

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.

Typical Experiment
  • Study the breathing way of saccharomycetes
  • Study the dissolved oxygen of different water
  • Factors that affect plant photosynthesis