Introduction Congratulations on your purchase of the Extech Manometer Model 407910. This device has a differential input with convenient quick-disconnect fittings. Eight units of measure are selectable by front panel pushbutton. Advanced features include Data hold, MAX/MIN record/recall, and RS-232 PC interface.
P1, P2 (or both) input port(s). If both inputs are used (differential mode), the meter displays a positive pressure reading if the P1 pressure is greater than P2 and a negative reading if P2 is greater than P1. 407910-EN v2.3 3/14 Distributed by MicroDAQ.com, Ltd. www.MicroDAQ.com...
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The meter has a built-in RS-232 serial port. For streaming of data to a PC via the RS232 Output jack, the optional 407001-USB kit (RS232 to USB cable and driver CD) along with the 407001 software (available free at www.extech.com) are required. 407910-EN v2.3 3/14 Distributed by MicroDAQ.com, Ltd. www.MicroDAQ.com...
4. Replace the battery compartment cover and the protective jacket. Useful Conversions Useful conversion Factors From Multiplier In of H In of Hg 0.07355 In of H Cm of Hg 2.54 mm of Hg In of H 0.03937 407910-EN v2.3 3/14 Distributed by MicroDAQ.com, Ltd. www.MicroDAQ.com (603) 746-5524...
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