QNET 2.0 HVAC Board
This product is no longer available.
The Quanser QNET 2.0 Heat, Ventilation and Air Conditioning (HVAC) board is a versatile system designed to illustrate concepts of fluid dynamics and thermodynamics control. Designed exclusively for NI ELVIS platform and LabVIEW™ software, the system can easily be configured to demonstrate various techniques to control temperature in a chamber.
Gallery
Product Details
The QNET 2.0 HVAC board consists of a chamber with a heater and a brushless DC fan. The heater is a PWM voltage-controlled amplifier that generates heat by applying the input voltage to an array of resistors in parallel. Six high accuracy temperature sensors are placed along the heating channel, with additional sensors measure ambient and heating chamber temperatures. Heat is transferred to the sensors by radiation from the heater and by convection from the air stream.
- High air flow DC fan
- Direct heat element temperature sensor and six temperature sensors along the chamber
- Ambient temperature sensor
- PWM amplifier with linear response
| Heating element total nominal resistance | 29.5 Ω |
| Heating element total tolerance | ± 1% |
| Heating element maximum power output | 19.5 W |
| Amplifier type | PWM |
| Amplifier peak current | 2.5 A |
| Amplifier continuous current | 0.5 A |
| Amplifier output voltage | ± 24 V with 100 % duty cycle |
| Fan rated voltage | 5 V |
| Fan speed | 8,500 rpm |
- Temperature control
- Relay / on-off control design
- System modeling
- Parameter identification
- Model validation
- PI control design
- Saturation and integrator windup
- Feedback control set-point weighing
The following additional components are required to complete your workstation, and are sold separately:
For LabVIEW
- NI ELVIS II+
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