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Transducers and Instrumentation Trainer   EL-1750   Downloadable Data Sheet     The Transducer & Instrumentation Trainer providing a comprehensive modular training resource covering the Principles of Transducer and Instrumentation technology.   The system comprises a rugged, self-contained portable hardware module that features a PCB mounted in a steel case. All electrical and Pneumatic power supplies are housed in the case. The PCB features system layout screen-printed on the PCB. A comprehensive series of transducer input and an output device together with signal conditioning and instrumentation circuit is provided. These includes following variety of sensors:   The transducer and signal conditioning elements of this trainer are typical of those used throughout industry. These elements include:   Transducer input devices Transducer output devices. Instrumentation circuitry.       Input devices : For the detection of rotary and linear position, temperature, light, pressure, strain, airflow, humidity and audible and ultrasonic sound.   Output devices : For the generation of heat, light, rotary and linear actions, audible and ultrasonic sound and visual indication of voltage, time and number of events.   Instrumentation circuitry : For the investigation of Wheatstone Bridges and current measurement techniques, linear and non-linear signal amplification, closed and open loop control, one, two and three term (PID) control, DC restoration of AC signals, signal transmission techniques and alarm generation. The comprehensive competency-based curriculum manual provided with the trainer covers the following topic areas:   An introduction to basic control systems. Input transducers - an evaluation of the various devices provided. Output transducers - practical investigation of the various devices provided. Display devices - practical investigation of the devices provided, applications in practical systems, evaluation of input requirements. Signal conditioning circuitry - in depth investigation/analysis of the numerous signal conditioning circuits provided, including properties of amplifiers, buffers and inverters, input/output requirements of the circuits provided, proper use of comparators, oscillators and filters and matching instrumentation circuits to the input and output transducers. Control system evaluation - investigation of control system characteristics including ON/OFF, proportional, proportional + derivative and full proportional + integral + derivative control systems. Practical control systems - design and implementation of speed control systems, positional control systems, temperature control systems and light level control systems          Input Transducers (Qty - 22) : ·       Position sensors :  includes  various  types of Potentiometers viz. Carbon track, slide, wire wound  etc., ·       Temperature / Heat Sensors : include K type thermocouple,  NTC thermistor, platinum RTD,  IC temp Sensor. ·       Light Sensors : include Photo conductive Cell, Photo voltaic Cell, P.I.N Photodiode & Photo transistor. ·       Displacement Sensors : Includes Linear Inductive Displacement Sensors and Gauging Sensors (LVDT) and Linear Variable Capacitor (LVC). ·       Speed / Counting Sensors : Includes DC motor with Slotted disk, Gray code disc, Inductive sensor, Hall effect sensor,  Servo potentiometers  and Techogenerator. Mounted on the motor Shaft. ·       Strain Gauge Sensor ·       Environmental  Sensors : Includes Air Pressure sensor, Air flow sensor, Air Valve and Humidity Sensor. The necessary air pressure/flow must be generated by an air pump mounted inside the trainer assembly. ·       Sound Sensors : Include Ultra Sonic Receiver and Dynamic Microphone   Output Devices (Qty - 10) :  ·       Heater. ·       Filament Lamp. ·       DC Motors. ·       Solenoid Air Valve ·       Ultra Sonic Transmitter ·       Buzzer. ·       Loud speaker ·       Relay. ·       Solenoid. ·       Counter/timer unit with LED display. ·       Bargraph voltage indicator. ·       Analog 10V center-zero meter.     Signal Conditioning Circuits (Qty - 20) :  Provides On-board Signal conditioning circuits having interface between the input sensors and output devices. ·       Buffers, Inverters, Comparators with switchable hysteresis ·       Amplifiers : Current / Summing / Power / Differential / Instrumentation / AC amplifiers. ·       Oscillators, Filters (Low pass / High pass), Rectifiers. ·       Integrator, Differentiator ( with switchable time constants ) ·       Converters ( V/F, F/V, V/I & I/V ). ·       Electronic switch etc.   Includes the following items: Transducers and instrumentation trainer. 4mm Lead set. Technical manual. Instructor’s manual and student workbook. The unit operates on 240 VAC, 50Hz. The necessary power supplies for various circuits are generated within the module.  The system features a shaft assembly that carries a DC motor with all the relevant sensors mounted on the shaft. Each unit is supplied with complete set of manuals. `The manuals provide comprehensive hands on course of study that guides the user through the technology of transducers and instrumentation.     Data Acquisition & Instrumentation Control Systems (Optional)   EL-1760     An optional data acquisition & Instrumentation control systems, consist of PCI Multi Function Card (Computer are excluded), Instruments Interface Module and Data Acquisition Software :   Which are able to integrated to EL-1750 which allow the student to use PC base Data Acquisition & PID Control Software to monitor, record & control the behavior of transducer & instrumentation systems :   -         General Test & A/D Graph -         Analog Input & Output -         Digital Input & Output -         Waveform Generator -         Pulse Generator -         Pulse Counter -         Frequency Checker -         Encoder Counter & Timer -         PID Control -         more ………….    Data Acquisition & Instrumentation Control System   (A) Multi Function Card  - 110 kHz Real Time Sampling Rate  - 16 Channels (Single-Ended) or 8 Channels (Differential)  - 2 Channels 12 bit D/A  - 8 Channels Digital Input / 8 Channels Digital Output  - 2 Channels Programmable 32 bits Counter/Timer   Specification: ㆍ Bus : IBM PC Bus (32bits PCI Interface) ㆍ Size : 177 * 114 mm (1) I/O Signals ㆍ Analog Input : Single-Ended 16 Channels or Differential 8 Channels ㆍ D/A channel : 2 Channels ㆍ Digital Input : 8 Channels ㆍ Digital Output : 8 Channels ㆍ Counter : 2 Channels   (2) A/D Conversion ㆍ Complete 12 bit A/D Conversion ㆍ Type of ADC : Successive Approximation ㆍ A/D Channel : Single-Ended 16 Channels or Differential 8 Channels ㆍ Input Voltage Range : ±10V, ±5V, ±2V, ±1V, 0~10V, 0~5V, 0~2V, 0~1V ㆍ Resolution : 12 bit ㆍ Maximum Sampling Rate : 110 kHz ㆍ Streaming to Disk Rate : 110 kHz ㆍ Input Impedance : 10 MΩ ㆍ A/D Trigger Mode : Programmable Timer, Software, External Trigger ㆍ A/D Trigger Event : Digital Input ㆍ Data Transfer : Programmed I/O, Interrupt (3) D/A Conversion ㆍ D/A channel : 2 Channels ㆍ Resolution : 12 bit 1 in 4096 ㆍ Settling Time : 2µs ㆍ Output Voltage Range : ±10V ㆍ Data Transfer : Programmed I/O (4) Digital Input ㆍ D/I Channel : 8 Channels ㆍ TTL Compatible Input ㆍ Low Voltage Level : 0 ~ 0.8V ㆍ High Voltage Level : 2V ~ 5V ㆍ Input Load : Low 0.5V(0.2mA), High 2.7V(20mA) ㆍ Data Transfer : Programmed I/O (5) Digital Output ㆍ D/O Channel : 8 Channels ㆍ TTL Compatible Output ㆍ Low Voltage Level : 0 ~ 0.4V ㆍ High Voltage Level : 2.4V ~ 5V ㆍ Input Load : Low 0.5V(0.2mA), High 2.7V(20mA) ㆍ Data Transfer : Programmed I/O (6) Counter ㆍ Channel : Counter 2 Channels ㆍ Resolution : 32 bit (B) Data Acquisition Software : ㆍ Platform : DOS, Windows 98, Windows ME, Windows 2000, Windows XP ㆍ Library : C/C++, C#, Visual Basic, Labview, Delphi ㆍ Example codes   (C) Instruments Interface Module : ㆍ SCSI 68 Pin Terminals   (D) Instruments Interface Module : ㆍ SCSI-SCSI 68 Pin Latch Cable