Quality Welker Electronic Timers are designed for applications where low power is required ... other timers usually draw 400-500 mA, Welker models draw 100 mA or less.

Designed for corrosive environments, all welker electronics feature solid-state configuration and conformal coating. This allows them to withstand temperatures to -40L F and practically any ambient conditions. Plus Welker Electronic Timers not only meet ... they often exceed the most stringent industry codes and regulations.

Scince programming is not required, Welker Electronic Timers are extremely simple to use.

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The EnPro PI-1 Controller has been developed to provide a pulse output signal proportional to a pneu- matic input signal i.e. 20 – 100 kPa.

Typical uses are composite sample extraction for pipelines and ship loading and unloading.

The unit is entirely pneumatic and therefore poses no hazardous area or electrical supply concerns.

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The EnPro range of pneumatic timers have been de- veloped to satisfy the need for small portable, accur- ate pneumatic timers, that will actuate samplers or valves in hazardous environments where protected electrical/electronic devices present problems with complexity and weight.

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Contact Us


+61 3 9872 5822

Fax: +61 3 9872 5129


PO Box 3067

Nunawading vic 3131


Unit 11, 27-33 Thornton Cres

Mitcham Vic 3132

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