Biology Sensors

Use this Cobra SMARTsense Spirometer sensor to measure exhaled or inhaled volume and investigate the process of oxygen uptake. •Quick and easy connection via Bluetooth and the free measureAPP •Contains a USB-C rechargeable lithium polymer battery •Up to 50 hours use on one battery charge •Flow rate: oRange: ±10 l/s oResolution:0.01 l/s •Volume: oRange: ±15 l oResolution: 0.01 l •Sample rate: 200 Hz •Includes 1 mouthpiece

These cardboard mouthpieces can be placed on the Cobra SMARTsense Spirometer mouthpiece and come with built-in filter, optionally using the filter membranes included in the set, thus allowing multiple use of the filter mouthpieces. Contains: •10 cardboard mouthpieces •10 filter papers

Poor air quality due to a high proportion of carbon dioxide in the indoor air reduces concentration and performance. Use this Cobra SMARTsense CO2 sensor to measure the carbon dioxide content of the air and the influence of, for example, the photosynthesis of indoor plants. •Quick and easy connection via Bluetooth and the free measureAPP •Contains a USB-C rechargeable lithium polymer battery •Up to 50 hours use on one battery charge •Range: 0 - 100000 ppm •Resolution: 2 ppm •Sample rate: 1 Hz Accessory: Plug with hole for use with reaction vessels, contact us for details.

Measure the oxygen concentration of solutions in biology, environmental sciences and chemistry. Produce graphs showing how the oxygen content varies in the classroom throughout the day, measure the respiration of small organisms and perform photosynthesis experiments. •Quick and easy connection via Bluetooth and the free measureAPP •Contains a USB-C rechargeable lithium polymer battery •Up to 50 hours use on one battery charge •Range: 0 - 20 mg/l •Resolution: 0.01 mg/l •Sample rate: 100 Hz •Including oxygen probe for Oxygen in air and water.

Continuously monitor the heart rate before, during and after exercise. This Cobra SMARTsense Pulse sensor can be used to conduct various student experiments in the field of human and electrophysiology. •Quick and easy connection via Bluetooth and the free measureAPP •Contains a USB-C rechargeable lithium polymer battery •Up to 50 hours use on one battery charge •Range: 30 - 200 bpm •Resolution: 1 bpm •Sample rate: 10 Hz •Includes ear clip.

A SMARTsense sensor set supporting 11 experiments on the following topics: •Photosynthesis (2 methods) •Transpiration of leaves •Breathing (CO2 and O2 measurement) •Glycolysis (2 methods) •Ionic permeability of the cell membrane •Determination of the Michaelis constant •Enzyme inhibition •Substrate inhibition of enzymes •Enzymatic activity of catalase The Cobra SMARTsense sensors Temperature, pH, Conductivity, Light, Pressure, CO2 and Oxygen are used in all 11 experiments in combination with tablets (iOS and Android) and smartphones (Android). Contents •Cobra SMARTsense Temperature: Measuring range: 40 - 120 ° C, resolution: 0.01 ° C, sampling rate: 10 Hz •Cobra SMARTsense pH: Measuring range: 0 - 14, resolution: 0.01, sampling rate: 10 Hz •Cobra SMARTsense Conductivity: Measuring range: 0 - 20,000 μS / cm, 0 - 100 ° C, resolution: 1 μS / cm, 0.1 ° C, sampling rate: 10 Hz •Cobra SMARTsense Light: Measuring range: 1 lx - 128 klx, resolution: 0.1 lx, sampling rate: 10 Hz •Cobra SMARTsense Pressure: Measuring range: 20 - 400 kPa, resolution: 0.1 kPa, sampling rate: 800 Hz •Cobra SMARTsense CO2: Measuring range: 0 - 100,000 ppm, resolution: 2 ppm, sampling rate: 1 Hz •Cobra SMARTsense Oxygen: Measuring range: 0 - 20 mg / l, resolution: 0.01 mg / l, sampling rate: 100 Hz •Lamp socket with reflector, diameter 20 cm, and 120 W filament lamp •Special glassware •Special stand material for experiment setups •Experiment manual

Heart rate, pulse, lung volume, body temperature and blood pressure are the core parameters of human and electrophysiology. With this set, you can easily teach students the meaning of these terms. This set contains Cobra SMARTsense sensors that are easy to operate and take measurements in real time. Equipment set allowing the performance of 9 experiments about the following topics: •Electrophysiology of the heart (3 experiments) •Blood circulation (1 experiments) •Skin temperature (1 experiment) •Lung function, lung volume (3 experiments) •Lung diseases (1 experiment) The set consists of all necessary components for the experiments: •Stable, stackable storage box with moulded foam insert •Cobra SMARTsense ECG •Cobra SMARTsense Pulse •Cobra SMARTsense Temperature •Cobra SMARTsense Spirometer •Blood pressure measurement combination

This set of datalogging devices is ideally suited to shared-work experiments with school groups for outdoor measurements of ecological data and works with mobile devices (iOS and Android). •Whether in the classroom, outdoors or on project days: in this robust aluminium case, you will always find the right device for carrying out fascinating experiments with school groups. •Up to 4 groups can work on and investigate interesting topics in parallel. •Works with all iOS and Android devices •Download free app from Apple App Store or Google PlayStore •Students can evaluate the data at home, as a homework assignment. Contents; •Robust aluminium case •1 x Cobra SMARTsense - Relative Humidity, 0 - 100 % •1 x Cobra SMARTsense - pH, 0 - 14 •1 x Cobra SMARTsense - Conductivity, 0 - 20000 µS/cm •1 x Cobra SMARTsense - Temperature, - 40 - 120 °C •1 x Cobra SMARTsense - Absolute Pressure, 20 - 400 kPa •1 x Cobra SMARTsense - Light, 1 - 128 kLX •1 x Cobra SMARTsense - Colorimeter for the measurement of turbidity, 0 - 100 % •1 x pH electrode, plastic, gel-filled •1 x 100 red pH 4 buffer tablets •1 x 100 green pH 10 buffer tablets •5 x 20 ml calibration solution for conductivity electrode •2 x protective case for pH and conductivity electrodes •1 x 120 labels •4 x 100 mL square flange (HDPE) •2 x 250 mL PP laboratory beaker