Alternative to mechanical syringes for hazardous materials researchers
24 September 2010
Hazardous materials researchers can now use a higher accuracy alternative to mechanical syringes--- InterTech Development Company’s MicroPulse– a solid state means of producing small, short pulses of various gases. The high accuracy compact (145x52x35mm) MicroPulse contains a miniature heat exchanger and precision temperature control that can be fitted into process control circuits without adding volume.
Alternative to mechanical syringes for hazardous materials researchers
MicroPulse delivers gases up to 1.75scc/m at STP. The required flow during the pulse period is automatically controlled via an 8-bit digital interface by a PLC or other external controller. The user can pre-set flow direction (inward or outward), volume-flow (cc/minute) or mass-flow (standard cc/minute) pulses over a wide pressure range. Overall accuracy and repeatability of 0.1% can be achieved over extended periods of fully-automatic operation.
The multiple advantages of InterTech MicroPulse technology include:there are no moving parts or pneumatic valves to stick or wear; there are no small gaps or orifices to get clogged; no compressed-air source is required; application can initiate a flow pulse automatically, at any interval and multiple different flow values can be produced in quick succession, as required by application.
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