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GENERAL PURPOSE SIG/SRG

SIG / SRG Series, Thermal Mass Flow Meter Features direct Mass Flow for gases, wide rangeability, low pressure drop, very low end sensitivity, and no moving parts.
Flow Meter is microprocessor based, does not have any potentiometers, and has RS232 communications with accompanying menu driven software (Sage VIP).
Flow Meter is powered by 24 VDC or 115 VAC/ 230 VAC.
The power dissipation is under 8 watts (e.g. under 350 ma at 24 VDC).
Calibration Self Check: Flow Meter has built in diagnostics – the menuing system has provisions to check the sensor’s operation by accessing the sensor’s output, and comparing it to the original reported “zero flow” value noted on meter’s Certificate of Conformance (last few lines).
Accuracy is +/- 0.5% of Full Scale +/- 1% of Reading with a turn-down of 100 to 1 and resolution as much as 1000 to 1.
Repeatability is 0.2%. The electronics has a 4 to 20 ma output proportional to Mass Flow Rate as well as a 4 to 20 ma output proportional to Temperature.
Outputs are opto-isolated. In addition, two dry contact relays are provided that can be configured for pulsed outputs of Totalized Flow, or Trip High,Trip Low, and other functions.

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