Temperature Module
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VPL-BIO-Temp Temperature Module
The VPL-BIO-Temp module is a versatile instrument which is specially designed to perform laboratory experiments and demonstration of temperature on human being. The module senses skin temperature which varies at different location on the body and with changing environmental demands.
The system consists of various instrumentation and monitoring circuits which are easily understood by the students. Signals at various section in the circuit can be seen by using oscilloscope or PC recorder module.
Features
Uses thermistor to measure temperature
Gain amplifier
Uses voltage controlled oscillator (LM566)
Frequency counter to display temperature in °C/°F
Accurate to 0.10°C Centigrade/Fahrenheit
Measures in centigrade/Fahrenheit using selectable switch
Direct digital readout on seven segment display
Measures from 37°C to 99°C
Equipments Supplied
Temperature probe
Temperature sheath
Laboratory Manual
VPL-BIO-GSR - Galvanic Skin Resistance Module
The VPL-BIO-GSR module is a versatile instrument which is specially designed to perform laboratory experiments and demonstration on GSR. The module senses the resistance changes on the palms of the hands, soles of the feet, surface of the skin.
The system uses a constant current source passed through a changing skin tissue to generate a signal voltage. Changes in skin resistance are reflected as changes in signal voltage. The signal is amplified and then fed to a slight display and tone generator. The system consists of various instrumentation and monitoring circuits which are easily understood by the students. Signals at various sections can be sen by using oscilloscope or PC recorder module.
Features
Uses a constant current source (10µA)
A bridge amplifier
High gain amplifier (6000) approx.
Light bar indicator to display GSR
Glide tone circuitry to drive light bar indication
Module Capability
Measures GSR when touching the subject's hair
Clapping hands near the ear
Counting backwards in odd numbers
Equipments Supplied
GSR electrodes
Laboratory manual
Biomedical disposal Accessories Package.
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