Monday, 11 January 2016

High velocity industrial fan

High velocity industrial two-speed drum fan suitable for movement of huge volumes of air. Robust unit with heavy-duty gauge steel casing, guard and frame. Handle, wheels and tilt function cradle stand allow control of airflow where it is needed.


Carefully balanced and fully guarded blades provide quiet and safe operation.


Expert (900mm) High Velocity Drum Fan.

Two speed motor, with two rubber wheels and handle on pull- along frame.

Safety grille and rubber inserts on base to prevent vibration while in use.

Fitted with 2M (approx,) cable and approved plug. HVD- Industrial High Velocity Drum Fan 230V. HVD42B - Industrial High Velocity Drum Fan Belt Drive 230V.


Three- speed power selection and cradle stand allow precise control of air flow to exactly where it is needed.


Suitable for use in industrial , commercial, . Our range feature rigid steel blades which . You may be surprised to see our diverse range of clients. Sealey High Velocity Drum Fan. Stay cool this year with the gym fan , The fan head tilts enabling you to direct the fan comfortably in any direction.


Low voltage stepper motor

It features adjustable current limiting, overcurrent and overtemperature . V, allowing stepper motors to be . The allegro stepper -drivers are current-limited chopper stepper drivers. The device is designed to operate in . It represents an affordable, easy-to-use solution for driving low voltage stepper motors in your STMNucleo project, implementing portable motor driving .

It looks like the motor could be made to turn at 5V.

Low voltage stepper motor driver.

It also provides high-efficiency motor drive and can . These formulas should be strictly applied for all constant voltage stepper controllers. This includes both Vand VMotor Shields from Adafruit, and virtually all other L293D based controllers. But some motors have very low coil resistance.


V to be connected across VMOT and GND. This supply should have appropriate decoupling capacitors close to the boar and it should be capable of delivering the expected stepper motor current.


Warning: This carrier board uses low -ESR ceramic capacitors, which .

Parts of electric fan

The motor is what makes an electric fan go. Ceiling fan motors are housed above the hub of the fan in special motor housing. Project in TLE Made by: Micky Surbida Ilyanna Vino of 10-Our Lady of Consolation.


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Av cabinet rack

U SOHO MINI DATA SERVER COMMS AV OFFICE RACK CABINET. The compact design of the 8u Cabinet makes it the ideal housing for small network requirements, allowing integration of voice, data, ISDN and internet connections in one neat unit. This good-looking rack is solidly constructed and nicely put together.


Measurement of height – 1U = 44. Key Digital - Rack Mount Bracket - Black - Larger Front.

Designed with three glass shelves, the media storage cabinet offers sufficient storage space for DVDs, CDs and Blu-ray.

Unique design with 50mm diameter front legs with 38mm back legs which offers more space for AV devices.

Storage of AV equipment is always an important facet when it comes to properly stowing . Check out our rang of accessories down the page. All in stock for collection or nexd day delivery. Stylish, affordable hifi and AV furniture and stands with free UK delivery.


Available in multiple rack height options.


BLOK Hi-Fi Stands, HiFi Racks and AV Audio Stands. Quality, Design and AV Performance.

Sunday, 10 January 2016

Extractor fan adaptor

Free delivery and returns on all eligible orders. Shop Reducer - to (150- 100mm) For ducting and Extractor Fans. Find great deals on eBay for Extractor Fan Reducer in Home Extractor Fans.


We supply trade quality DIY and home improvement products at great low prices.


I came across this beauty the other day.

Size: 100mm, 110mm, 120mm, 125mm, 150mm.

Ventilation Duct Reducer 150mm - 100mm.

Perfectly suited for ducting your Tumble Dryer, Bathroom or Kitchen extractor fan , Hydroponics, In-Line Extract Fans, or Cooker Hood. Manufactured from flame retardant, self-extinguishing plastic. Find flexible, 150mm, ventilation, air, PVC duct and more online here.


Perfect for the size difference between Drainage pipe and ventilation pipe.


PVC adaptor to connect round pipe ducting, flexi hoses and fan spigots. Shop Adapter Kit for 10K Slate Roof Tile Vent for Extractor fans and Soil Pipes. Find Ducting Reducer 125mm To 100mm at Homebase.


Ducting Pipe Multi Reducer Extractor Fan Hose Connector Adapter 80mm 100mm 120mm 125mm 150mm.

Friday, 8 January 2016

Single phase winding

The rotor is the rotating part, the stator winding helps in rotating the rotor. Figure below) However, it will not self-start. Single - phase induction motor.


The start winding is usually the smaller coils with thiner wire that are degrees out if phase from the run windings. Earth Continuity and Resistance Test (c) Power Supply Test (d) AC Motor Winding Resistance Test (e) Insulation Resistance Test (f) Running Amps Test.

General Inspections For the single phase motor, do the following: (1) Check the appearance of the motor.

Check for burnt, damage to body or cooling fan or shaft.

The stator of the single phase induction motor has laminated stamping to reduce eddy current losses on its periphery. The slots are provided on its stamping to carry stator or main winding. In order to reduce the hysteresis losses, stamping are made up of silicon steel.


Ventilator high pressure alarm causes

Low volume alarms are typically caused by air leaks. In pressure -based ventilation , these alarms may indicate worsening airway resistance or lung compliance. Pressure control: An alternative to . Acute causes of elevated airway resistance are bronchospasm, anaphylaxis, endotracheal tube obstruction or ventilator circuit obstruction . A mechanically ventilated patient has high peak inspiratory pressures.

You need to silence that incessant the alarm.

High peak pressure alone cannot distinguish cause .

High airway resistance ( e.g. Asthma, mucous plugging) can result in exceeding inspiratory peak pressure . High pressure alarThis will sound when the pressure in the circuit has increased. It helps protect the lungs from high pressures delivered from the ventilator.

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