SPB Engineers (India)

Sensor and Transducer Trainer - Model: XPO-MIT

• Strain Gauge Transducers Panel - MIT1: Piezo resistive transducer for strain measurement, micrometer for strain generation, strain gauges, instrumentation amplifier
• Piezo Resistive Transducer for Pressure Measurement - MIT1a: Pressure sensor, pressure generating hand pump, Bourden pressure gauge for measurement and calibration
• Piezo Electric Transducer for Impact Measurement - MIT1b: Attenuator and peak detector
• Force Weight Measurement using Piezo Transducer - MIT1c: Weighing scale sensor
• Level Measurement Setup by measuring water column height - MIT1d: Using pressure sensor by air bubbler method with water tank, water pump, vibratory air pressure pump, manual bypass valve
• Torque Measurement Setup - MIT1e: 1/4 HP induction motor, peizo resistive force / torque sensor, loading pulley, spring balance
• Flow Measurement Setup using Venturi or Orifice Plate Sensor- MIT1f: Ball valve to isolate, water pump, rotameter, u-tube mercury manometer, QRCs to measure differential pressure, flow measurement tank, submersible water pump, sump water tank
• Static Torque Measurement Setup - MIT1g: Fulcrum long arm to carry weight pan, short arm held by full bridge strain gauge sensor to display torque
• Displacement Sensing Transducers - MIT2: Resistive linear transducer, capacitive linear transducer, capacitive angular transducer, inductive linear transducer, LVDT transducer
• Level Measurement Setup by Capacitance Transducer - MIT2a: Acrylic water tank, water pump, manual flow valve
• Level Measurement Setup by Float Type Rotary Pot Transducer - MIT2b: Acrylic water tank, water pump, manual flow valve
• Level Measurement Setup by Torque Tube Method - MIT2c: Displacer with rotary plot wheel & float transducer, acrylic water tank, water pump, manual flow valve
• Angular Measurement Setup using Rotary Pot - MIT2d: 0 to 180 degree span
• Humidity Measurement Demonstrator - MIT2e using polymer hybrid sensor or capacitive or resistive type sensor
• Pressure Measurement Setup using LVDT - MIT2f: Bourden pressure gauge mechanism, LVDT sensor, pressure generation pump
• Speed Sensing Transducers - MIT3: Variable speed DC motor, F to V converter, magnetic pick up, photo reflective, photo interruptive, inductive pick up, stroboscope envelope detector, Hall sensor
• Sound Sensing Transducers - MIT4: Oscillator to generate ultrasonic sound waves, ultrasonic distance measurement and microphone as sound / aidio sensor
• Light Sensing Transducers - MIT5 with photo diode with I to V converter, photo transistor with I to V converter,photo resistor / LDR with R to V converter, photovoltaic cell / solar cell, opto coupler, laser diode, infrared LED, red LED
• Temperature Sensing Transducers - MIT6: Instrumentation amplifier, heat bar, temperature selection with thermocouple J, thermocouple K, thermister, PT100, IC AD590, bimetallic switch sensors
• Vibration and Air Flow Sensor - MIT7: Power amplifier as vibration generator, piezo electric sensor, pre-heated thermister, fan to generate variable air flow
• Electrical Parameters Measurement Sensor - MIT8
• Encoder (Absolute / Incremental) Experiments Panel - MIT9
• Temperature Sensor Calibration Panel - MIT10
• Dead Weight Pressure Gauge Tester - MIT11
• Hall Sensor Based AC / DC Current Measurement Experiment Panal - MIT12
• I to P Converter Trainer - MIT13
• Smoke Detector Panel - MIT14

Additional Information:

• Item Code: XPO-MIT

PID Control Trainer - Model: XPO-PID

Features:

• Learn how analog and digital PIDs work
• Facility to monitor behavior of the controller output and process variable either on PC screen or CRO
• Windows based PID Controller (DDC) software package with P, PI & PID control, ratio and cascade control, three operating modes, online graph drawing and data acquisition modes (SCADA)
• Learn about different processes using simulated building blocks and real life processes using replaceable experiment panels / processes and built in square, triangle, sine function generator as disturbance
• Graph printing facility for laboratory journal entries

Master Unit Specifications:

• DC Power Pupply
• Display DPMs and Analog Meters
• PC Based PID Controller (Optional)
• Online monitoring / data acquisition / PID software

Operating Modes:

• Simulator mode: Tests data already stored in files and drawing graphs for all P, PI, PD & PID modes
• Process monitoring mode: Drawing graphs of analog data presented at CH ) and CH of computer interface, cursors for X and Y axis for measurement and online graphs savings for reproduction
• PID controller mode: PID controller with parameters like integral time, sampling time, derivative time, proportional band, derivative gain, set value, PID output upper limit, PID output lower limit. Facility to set units for output, viz. percentage, °C, RPM, voltage, LPH, kg/cm2, μsi/cm, degree

Computer Interface Adaptor:

Opto isolated adaptor, 4 ADC channels, 1 DAC channel, V-I function block, USB IO module

Analog PID Controller with low frequency function generator:

• Controller selection P, PI, PD, PID with slide switch, parameter settings - integral time, derivative time, proportional band, set point, operating modes, level shifter converting process, test points for process error, set point, measured value, controller output
• Built in Function Generator

Modular Experiment Panels:

• Process Simulator Panel
• Thyristor Actuator Panel
• Stepper Motor Demonstrator Experiment Panel
• Servo Interface panel
• Computer Interface Panel

Optional Process Setups:

• Process I: Temperature / Light
• Process II: High Temperature
• Process III: DC Servo Position Control
• Process IV: AC Servo Position Control
• Process V: Stepper Motor
• Process IX: AC Voltage Servo Stabilizer
• Process XI: Inverted Pendulum

Additional Information:

• Item Code: XPO-PID

• A simulated Amplidyne control system can be constructed using Process VI, VII VIII and PC based software for monitoring data acquisition
• Facility to monitor behavior of the output process variable either on PC screen or on CRO
• Can learn about different optional building blocks and real life processes using replaceable experiment panel table top units, e.g. magnetic amplifier, synchros, servo pot, etc. in standalone modes too
• Graph printing facility for laboratory journal entries
• Aesthetically designed injection moulded electronic desk (master unit) carrying useful experiment resources like power supplies, meters, computer interface, with central slot to hold various replaceable experiment panels
• Connection through sturdy 4 mm banana sockets patch cords

Master Unit Specifications:

• Built in power supply
• Analog meters for display
• Computer interface adaptor
• USB converter to interface 25 pin D connector on computer interface adaptor
• Data acquisition cum monitoring interface adaptor to study closed loop dynamics

Modular Experiment Panels:

Potentiometric Error Detection cum Magnetic Amplifier Interface Panel: PMP/CE4

AC Servo Position Control Setup: Process VI with PMP Panel:

• With AC geared servo motor, servo pot as position feedback for PC interface, synchro control transformer to generate position feedback for magnetic amplifier based electrical control system
• Experiments: AC servo motor position control using magnetic amplifier and synchro (needs Process VII and VIII)

Synchro Transmitter Receiver Setup: Process VII

• Synchro transmitter and receiver pair, rotor, stator, sensor (optional servo pot for position feedback of command synchro for PC interface acts as electrical command station for Process VI if interfaced with PMP)
• Experiments: Study of working principle of synchro transmitter and receiver in standalone mode, when used with Process VI, it works as servo position command station through PMP panel

Magnetic Amplifier: Process VIII

• Magnetic amplifier with bias and error winding and loading resistor, sensor (loading resistor)
• Experiments: Can draw characteristic curve series / parallel mode of connection in standalone mode, when used with Process VI, it drives control winding of AC servo through PMP using control transformer output from Process VI

Additional Information:

• Item Code: XPO-ECT

Process Control Trainer for Flow & Level Control with Variable Speed Pump - Model: XPO-PCT-FLE

Controller Section Specifications:

• Computer Interface Panel for connection to PC through parallel port, V to I function block, I to V function block, USB converter
• Instrumentation Power Supply cum Multi Channel DPM Panel
• Thyristor Actuator cum Signal Conditioning panel
• PC Based Digital PID Controller with online monitoring / data acquisition / PID software
• Operating Modes: Simulator Mode, Process Monitoring Mode, PID Controller Mode

Hardware:

• Controlled Medium: Water
• Storage Tank: 50 ltr PVC / plastic
• Process Tank: 18 ltr plexiglass
• Electric Sensors: Turbine Flow Sensor and Level WC Pressure Sensor
• Control Valve: Variable Speed Pump driven by fractional HP universal motor
• Rotameter
• Generation & Distribution Pump
• Bourden Gauges
• Manual SS Valves
• Air Filters & Regulators

Experiments:

• Study of level loop: open response & closed loop response with P, PI, PID
• Study of flow control loop: open response & closed loop response with P, PI, PID
• Study of flow control by thyristorised control of pump
• Study of ratio control loop
• Study of cascade control loop
• Study of level ON / OFF control loop
• Study of feed - forward control loop

Additional Information:

• Item Code: XPO-PCT-FLE

Process Control Trainer - Coupled 3 Tank - Model: XPO-PCT-3T

Controller Section Specifications:

• Computer Interface Panel for connection to PC through parallel port, V to I function block, I to V function block, USB converter
• Instrumentation Power Supply cum Multi Channel DPM Panel
• Thyristor Actuator cum Signal Conditioning panel
• PC Based Digital PID Controller with online monitoring / data acquisition / PID software
• Operating Modes: Simulator Mode, Process Monitoring Mode, PID Controller Mode

Hardware:

• Controlled Medium: Water
• Storage Tank: 20 ltr PVD / plastic
• Process Tank: 3 nos. 10 ltr plexiglass
• Electronic Sensors: Level Sensor WC pressure sensor
• Control Valve: Variable speed motorised pump
• Rotameter
• Generation Distribution Pump
• Bourden Gauges
• SS Piping Material
• Air Filters Regulators

Experiments:

Study of level loop by:

• First Order SISO: open loop response and closed loop response with PID
• Second Order SISO non interactive: closed loop response with PID
• Second Order SISO interactive: closed loop response with PID
• Cascade control
• MIMO: open response and closed loop response with PID

Additional Information:

• Item Code: XPO-PCT-3T

Bio-Medical Instrumentation Trainer - Model: XPO-BOM

Features:

• Battery operated body signal measurements for safety
• PC based graph drawing facility and display to capture body signals

Master Unit:

• DC Power Supply
• Computer Interface Adaptor
• PC Software: USB based graph utility software for online waveform measurement
• USB I/O Module to interface D connector on COA panel to USB PC port
• MIC Pre-amplifier
• Audio Amplifier and Speaker
• Level Shifter Card

Modular experiment Panels:

RRM, BPM, HRM, Pulse Oximeter Experiment Panel: BM1 with pulse oxymeter probe, lie detector with CAL and temperature sensor, sphygmomanometer and electronic stethoscope probe

Experiments: Respiration rate measurement, blood pressure measurement using Korotkoff''s and Oscillometry methods, heart rate measurement using electronic stethoscope, pulse oxymeter / plythysmogram, study of band pass filters to plot frequency waveforms for HRM and oscillometry method

ECG / EMG Study Experiment Panel: BM2 with limb electrodes and disposable electrodes

Experiments: Plotting and measurement of ECG, EMG, EOG waveforms, study of band reject filter, working with simulated ECG signals

RRM, BIA Experiment Panel: BM3 with limb electrodes and chest electrodes

Experiments: Measure body impedance and respiration rate using body impedance analyser

Ultra Sound HRM and Audiometer Experiment Panel: BM4 with ultrasound doppler combined sensor and sterio earphone

Experiments: Heart rate measurement using ultrasound sensor, study of detuned amplifier, study of detuned amplifier, band pass filter and notch filter, audiometry to check hearing sensitivity of patient

Additional Information:

• Item Code: XPO-BOM

Fuzzy Logic Trainer

Salient Features:

• Labview Based Fuzzy Logic Controller
• Facility to monotor behaviour of the controller output and processs variable either on PC screen or CRO with settable time constants
• Graph printing facility for laboratory journal entries
• Learn about different processes using simulated building blocks and real life processes using replaceable experiment panels & processes

Master Unit Specifications:

• DC Power Supply
• Display Meters

PC Labview Software Based Fuzzy Logic Controller:

• A. Fuzzy Software Controller, Process Monitoring Mode, Fuzzification Mode, Defuzzifier
• B. Computer Interface Adaptor

Modular experiment Panels:

• Servo Interface Panel SIP/CE3 with Temperature & Light Process Setup: Process I
• Thyristor Actuator Panel TAP/CE3 with DC Servo Position Control Process Setup: Process III

Experiments:

• Lag with integrator using fuzzy logic control
• Lag with transport lag using fuzzy logic control
• Two first order lag using fuzzy logic control
• Integrator using fuzzy logic control
• Temperature control using fuzzy logic control
• Light intensity control using fuzzy logic control
• DC motor position control using fuzzy logic control
• DC motor speed control using fuzzy logic control

Additional Information:

• Item Code: XPO-FUZZY

Process Control Trainer for Flow Level Control with Pneumatic Control Valve - Model: XPO-PCT-FL

Controller Section Specifications: 

• Computer Interface Panel for connection to PC through parallel port, V to I function block, I to V function block, USB converter
• Instrumentation Power Supply cum Multi Channel DPM Panel
• PC Based Digital PID Controller with online monitoring / data acquisition / PID software
• Operating Modes: Simulator Mode, Process Monitoring Mode, PID Controller Mode

Hardware:

• Controlled Medium: Water
• Storage Tank: 20 ltr PVC / plastic
• Process Tank: 18 ltr plexiglass
• Electric Sensors: Turbine Flow Sensor and Level WC Pressure Sensor
• Control Valve: Pneumatically operated air to close
• Rotameter
• Generation Distribution Pump
• Bourden Gauges
• Manual SS Valves
• Air Filters Regulators
• Needs 7 Bar air compressor

Experiments:

• Study of level loop: open response closed loop response with P, PI, PID
• Study of flow control loop: open response closed loop response with P, PI, PID
• Study of control valve (gain scheduler hysteresis), V to I converter, I to P converter
• Study of ratio control loop
• Study of cascade control loop
• Study of level ON / OFF control loop
• Study of feed - forward control loop

Additional Information:

• Item Code: XPO-PCT-FL

Process Control Trainer for Pressure, Temperature Flow - Model: XPO-PCT-PTF

Controller Section Specifications:

• Computer Interface Panel for connection to PC through parallel port, V to I function block, I to V function block, USB converter
• Instrumentation Power Supply cum Multi Channel DPM Panel
• Thyristor Actuator cum Signal Conditioning panel
• PC Based Digital PID Controller with online monitoring / data acquisition / PID software
• Operating Modes: Simulator Mode, Process Monitoring Mode, PID Controller Mode

Hardware:

• Controlled Medium: Air for pressure and flow, water for temperature and air for cooling
• Storage Tank: 10 ltr plexiglass
• Process Tank: 5 ltr stainless steel tank with temperature and pressure sensors attachment
• Electronic Sensors: Piezo-resistive pressure sensor, PT100 temperature sensor, flow turbine flow sensor
• Control Valve: Pneumatically operated air to close
• Rotameter
• Generation Distribution Pump
• Bourden Gauges
• Manual SS Valves
• SS Piping Material
• Air Filters Regulators
• Needs 10 Bar air compressor

Experiments:

• Study of temperature control loop: open response closed loop response with P, PI, PID
• Study of pressure control loop: open response closed loop response with P, PI, PID
• Study of air flow control loop: open response closed loop response with P, PI, PID
• Study of control valve (gain scheduler hysteresis), V to I converter, I to P converter
• Study of ratio control loop
• Study of cascade control loop
• Study of level ON / OFF control loop
• Study of feed - forward control loop

Additional Information:

• Item Code: XPO-PCTPTF