pneumatic control (EPC) modules. The first product in this new line is a fully digital 2 channel pressure and/or flow controller that can be used for GCs in inlet and carrier gas configurations as well as detector gas control for FID and other detectors.
The unit can be set by external software to control a wide variety of different gas types. Using RS485 communication the set-points of the D2EPC-1 can be set to real values such as ml/min. This makes the integration of the product into current or new GC instrument designs a very easy task. To make this possible, the D2EPC-1 is factory calibrated for a wide temperature range and for all possible gases thatmay be used.
By using a unique design with exchangeable screw-on restrictions with ultra low dead volume, the bare unit can be used in almost any flow or pressure range and flow configuration by simply adding the right restrictions.
Different gas tubing connection sizes and standards are available. Different versions of the restriction plugs allow for connecting the product to the connection standard and sizes as used in the instrument in which the D2EPC-1 will be integrated. Currently available are 1/8†and 1/16†in Swagelok® and Valco® versions. Special connection types can be made available upon request. Also the product requires only one supply voltage.
The design of the D2EPC-1 requires only a 26 x 77 mm mounting face for this 2-channel EPC. D2EPC-1 units can be mounted next to each other at a 26mm pitch, including mounting bracket. This allows for a very compact flow arrangement when a large number of controlled flows and/or pressures is required.
In line with Applied Instruments’ reference design methodology, instrument manufacturers can benefit from the expertise that went into this product by defining special versions with a different number of controlled flows/pressures or other physical dimensions as well as specific communication protocols.
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