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Physics > Electronics > Instrumentation Trainers
 
Thermistor   (2130)

Study of thermistor as temperature measuring transducer Electrically heated oven up-to 90C Thermistor ( NTC ) mounted in metallic tubing and protected from corrosion. Study of non - linear (exponential) characteristics Unbalance Bridge circuit with 1st degree linearization Differential gain amplifier 3.5 digit DPM as temperature scale Glass thermometer for reference Detailed instruction manual


Thermocouple   (2131)

Study of thermocouple as temperature measurement transducer. Electrically heated block to raise temperature > 200C, with different voltage. Thermocouple transducer type K, housed in a steel tube. Cold junction compensation circuit. High gain instrumentation amplifier. 3.5 digit DPM as temperature indicator. Glass thermometer for reference. Detailed instruction manual.


Resistance Temperature Detector   (2132)

Study of RTD as temperature measuring transducer. Electrically heated oven upto 90C RTD (PT-100) probe with protection cover. 3.5 digit DPM as temperature indicator. Bridge circuit for transducer. Differential amplifier with feedback. Lead compensation system. Glass thermometer for reference. Detailed instruction manual.



Measurement of Speed by Photo Electric Pick Up   (2133)

Study of speed measurement by light interrupt method 12V, 2400 RPM permanent magnet dc motor Speed controller (0-2400 RPM) Opto interrupter disc. LED as light source Photo diode as sensor Signal conditioning circuitry based upon Op amps Electronic tachogeneration 4 digit digital counter as speed indicator Test points at various places to study the process The motor and transducer unit is covered with acrylic sheet. Built in IC regulated power supplies for motor and process circuit. Detailed instruction manual.


Measurement of Speed by Electromagnetic Pick Up   (2134)

Study of speed measurement by variable reluctance transducer 12V, 2400 RPM permanent magnet dc motor Speed controller (0-2400 RPM) Electromagnetic pick up Signal conditioner circuitry based upon Op amps Excitation voltage for pick up 4 digit digital counter for speed display Electronic tachogeneration. Built in IC regulated supplies Detailed instruction manual.


Measurement of Light Intensity by Light Dependent Resistance   (2135)

Study of Light Dependent Resistor as light intensity measuring transducer Sockets for LDR to measure resistance at different intensity levels to determine the non - linear nature 1st degree linearization circuit Unbalance Bridge for LDR interface 12 volt 21 watt tungsten lamp with intensity control (continuously variable) Calib ration graph supplied with the tutor Luxmeter (optional) 3.5 digit DPM as light intensity indicator Sockets at different places to study the process To find out the error rate Detailed instruction manual.



Measurement of Light Intensity by Photo Voltic Cell   (2136)

To study of Photo Voltic Cell as light intensity measuring transducer 12 volt 21 watt lamp with intensity controller (continuously variable). Silicone Photo Voltic Cell mounted in bakelite mould. Provision for operating the cell at different points upon the output curve to prove the linear transfer nature in short circuit mode and non linear in open circuit mode Op amp as signal conditioner 3.5 digit digital DPM as light intensity indicator. Built in IC regulated power supply Detailed instruction manual with calibration curve.


Measurement of Light Intensity with Photo Diode   (2140)

To study of photo diode as light intensity measuring transducer 12 volt 21 watt lamp with intensity controller (continuously variable) PIN photo diode mou nted in metallic housing Op amp in signal conditioner circuit 3.5 digit DPM as light intensity indicator. Sockets to measure reverse current Plotting to verify the linear nature of diode transfer characteristics Calculation of error rate Calibration curve Built in IC regulated power supply. Detailed instruction manual


Linear Displacement by Linear Motion Potentiometer   (2141)

To study of measurement of linear displacement by potentiometer Linear Motion Potentiometer as transducer Motion travel 0-100 mm Mechanical atta chment with vernier 3.5 digit DPM as displacement indicator Cal constant Offset adder f or position modulation Op-amp in signal condition circuit Built in IC regulated power supply Detailed instruction manual


Measurement of Angular Displacement by Servo Potentiometer   (2142)

To study of servo potentiometer as angular displacement measurement transducer. Full 360 rotation servo potentiometer Op-amp in signal conditioner circuit Offset adder for position modulation Calibrated dial with 1 resolution 3.5 digit DPM to read displacement Cal constant Built in IC regulated power supply Detailed instruction manual


Linear Variable Differential Transformer   (2143)

To study of LVDT as displacement transducer Built in ac excitation source 2.5 kHz typical Linear variable differential transformer in non metallic structure Micrometer attachment with mechanical displacement system Displacement range + 15 mm Sockets at different places for observing/measuring the signals Balance d demodulator IC based 3.5 digit DPM as displacement indicator Built in IC regulated power supply Detailed instruction manual


Study of Inductive Pick Up   (2144)

Micrometer attachment for mechanical displacement
Displacement range 0-10 mm
Op amp based signal conditioning circuit
Built in ac excitation source
Sockets at different points for observations
3.5 digit DPM for indication of displacement
Built in IC regulated power supply
Detailed instruction manual


Study of Capacitive Pick Up   (2145)

Variable condenser (gang condenser) as transducer
OP amp based signal conditioning circuit
Built in ac excitation source
Test Point for measuring Signals
3.5 digit DPM for indication of displacement
220V, IC regulated Power supply
Detailed instruction manual


Measurement of Load using Load Cell   (2150)

Study of Load
Range: 0-2Kg
Load Cell
Weights for measuring load
Test Point for measuring Signals
3.5 digit DPM for indication of load
220V, IC regulated Power supply
Detailed instruction manual


Measurement of Strain using Strain Cantilever   (2151)

Study of Strain
Range: 0-1000 microstrain
Strain Gauge Cantilever
Weights for measuring microstrain
Test Point for measuring Signals
3.5 digit DPM for indication of load
220V, IC regulated Power supply
Detailed instruction manual


Measurement of Pressure using Pressure Cell   (2152)

To study of Pressure
Range: 0-10 KG
Pressure Cell
Sockets at different places for observing / measuring the signals
3.5 digit DPM indication of Pressure
220V, Built in IC regulated power supply
Detailed instruction manual


Measurement of Speed by Proximity type sensor   (2153)

12V, 2400 RPM permanent magnet DC motor
Speed controller (0-2400 RPM)
Signal conditioner circuitry based upon Op-amps
Excitation voltage for pick up
4 digit digital counter for speed display
Built in IC regulated supplies
Detailed instruction manual.


Measurement of Water Level by Capacitive Transducer   (2154)

Range: 0-250mm
Jar with Scale
Capacitive T
ransducer
Sockets at different points for observations
3.5 digit DPM for indication
Built in IC regulated power supply
Detailed instruction manual




 
 
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