Refrigeration & Air Conditioning Demonstrator ED-5820/ED-5840

• Aluminum hard case structure for mobility
• Applied experiments on the motor’s rotation characteristics
• AC motor control technology using the inverter
• Interlocking experiments with Programmable Logic Controller

 

• DC motor’s load characteristics
• DC motor’s loss and efficiency
• Alteration of the motor’s rotative directions
• Motor’s speed and torque

 

• Practical training on inverter and 3-phase induction motor operations
• Control experiments using a PLC module (in use of D/A module)
• Feasible contact-type PLC control
• Carrying case type structure for convenient storage and mobility

 

• Inverting, Non-inverting and Differential Amplifiers
• Comparator Circuit
• Voltage and Current Circuit

 

• Modularized by the function of digital communication circuits
• FSK, ASK, PSK, QPSK and digital communication principles
• 12 types of modules including a power supply unit

 

• High-performance digital synthesizer method
• Wide Frequency Coverage : 9 kHz ~ 3.0 GHz
• Superior Resolution : Minimum 1 Hz
• Compact & Portable size
• Pre Amp as standard
• Wide Input Dynamic Range : -130 ~ 20 dBm
• Various and Convenient Interfaces : USB, LAN

 

• Analog feedback loop & DC servo system
• Modularized by the function of servo circuits
• Overload protection for the servo amp's and power supply's output

 

• Realistic Simulation of FM stereo broadcast
• Graphical layout of block diagrams, display elements and test points
• Covers the principles of FM stereo encoder and decoder
• Experiments on stereo amplifier (equalizer, tone control, pre-amp, etc.)

 

• Graphical display of functonal block diagram on the system suface
• Real-time monitoring and control by PC Control Program
• LM Guide and Rotary Encoder for position control
• Displays moving distance and angle data using LCD

 

• HF band(3.5~12MHz)
• Transmitter and Receiver modules for each circuit stage
• Graphical latour of the block diagrams, plus LEDs and test points
• Covers Push-to-Talk and helps understand short wave communications