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PCB Processing Tanks. Bench top (Mega Electronics)

Mega is the leading manufacturer of small PCB processing tanks which are used with great success in both Industry and Education. The successful proven design features self contained units each of which are free standing and will accept boards up to 320 x 260mm (12.6" x 10.23"). Each unit is formed in two parts, the high density polypropylene inside tank being injection moulded as a single piece. This method of construction has proved to be far more efficient than the old method of welding together several vacuum formed parts which by design gives inherent danger of leaks from joins. This one piece design is an important safety feature which should be considered when choosing PCB tanks.

This inside tank has an integral top surround, which secures over the second of the two parts, an outer made from 6mm Polypropylene using our CNC machine and advanced plastic welding techniques. A splash proof lid with full length board holder mesh covers a working area of 5 litre capacity. The board holders feature yellow side clips which can be secured to close the sides of the mesh when very small boards are being processed. For added safety the inside tank is bolted to the outer case at the bottom of the unit. This must be removed before access to electrical components. Where applicable, the specially developed 500 watt heater with protective silica sheath is externally mounted in the tank, as is the thermostat sensor.

The heater is fitted with an internal re-settable safety device to protect the tank if it is inadvertently turned on without any liquid in. All splash proof electrical controls including a variable thermostat setting are located in a recessed panel on the case front, which prevents liquid getting in contact with the electrics. We also recommend that all tanks are used with a RCD power break device. All the PA series tanks are designed to be modular, the following being an ideal processing sequence:

Develop - Spray Wash - Etch - Spray Wash - Resist Strip - Spray Wash - Immerse Tin

-> Mega Electronics catalogue.pdf

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This tank contains two spray wash bars at the top, driven from a single mains water inlet, between which the developed, etched stripped or tinned board can be suspended to be rinsed. A bottom tube permits used water to be run off to waste. Width 180mm, Depth 525mm, Height 380mm.

This, the most popular of single tanks, includes the heater and thermostat sensor as described above and has a pump fitted which forces air through two bubble bars to provide efficient and even etching. Illuminated switches control mains power and the pump whilst a neon indicates heater operation.

Develop, Strip or Tin
Complete with thermostatically controlled heater to cover PCB chemical temperature range of 10°C to 55°C. The tank can be thus selected for DEVELOP (25°C), RESIST STRIP (45°C) or IMMERSE TIN (21°C). Neons indicate when the mains heater is operative. Supplied complete with a syphon, IEC socket and 2 metre mains cable with moulded 13amp plug. Width 180mm, Depth 525mm, Height 380mm.

Develop, Strip or Tin and Wash
A cost effective improvement over the standard PA107 Universal Tank. This unit includes a process tank as above plus an integral spray wash tank. The spray wash tank is solenoid operated with all electrical controls located on the front panel. Connections are provided at the rear for drain and cold water requirements.

Etch and Wash
An improvement over a standard Bubble Etch Tank. This unit is the same as the PA104 Bubble Etch Tank with the addition of an integral spray wash tank. The spray wash is solenoid operated and all electrical controls are on the front panel. Connections are provided at the rear for drain and cold water requirements.

Develop, Wash and Etch
Our best selling and most popular PCB processing unit. A self-contained triple process unit with built-in DEVELOP / SPRAY WASH / BUBBLE ETCH functions providing a convenient bench standing system. The PA310 eliminates the normal untidiness associated with producing PCBs to the solderable-etched stage. A RESIST STRIP / SPRAY WASH / IMMERSE TIN combination can be added to provide a full PCB processing run.

Develop, Wash and Etch
For those requiring a larger three tank unit the PA318 is available. Featuring a larger fabricated outer and larger inner tanks, panels to 12” x 20” can be processed. The same processing sequence as the PA310 is offered, namely develop/wash/etch.
Width 400mm, Depth 525mm, Height 600mm.

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