Full Line Product Catalog

FLOW TRANSDUCERS Gainin g control over runaway air usage with flow transducers can eliminate one of the biggest maintenance problems in pressurization systems. Proper analysis of pressure and flow can enhance dispatching accuracy. When installed in a pressurization system, flow transducers can pinpoint (often to the exact manhole) the high consumption leaks that can pull a whole system down. The Type J4 passive flow transducer does not require power pair. Detroit Switch’s J4 flow transducer represents an innovative design for improved monitoring of pressurized telephone cable systems. Designed to monitor changes in air flow as small as 0.25 SCFH, the J4 flow transducer facilitates the detection of leaks in the cable system, thereby simplifying maintenance and repair of the pressurized cable system. The J4 flow transducer converts gas (air) flow to an electrical resistance signal which can be remotely read by any of the automatic monitoring systems in use today. SPECIFICATIONS Pressure Medium Clean, dry industrial air Working Pressure 0 to 10 PSI Maximum Overpressure 35 PSI Factory Calibrated Pressure 10 PSI Maximum Pressure Drop 0.3 PSI at maximum flow output and 10 PSI input

Input Pressure Effect vs. Flow +/- 4% shift/PSI of full flow Switching Point Repeatability Less than 1% of full range flow Ambient Temperature Range -50 to +130 degrees F Flow Connections

J4G, 15 ft. #22 wire (single pair) in plastic tubing 12 ft. copper tubing is available. J4P, 6 ft. #18 SVO cord, 2 wire

Enclosure

Galvanized gray iron

Options Weight

Quick disconnect electrical connections

Approximately 4 lbs.

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