Hygrodynamics 8075A Manual Download Page 1

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newport-scientific.com

P 301-498-6700

F 301-490-2313

Newport Scientific, Inc
8246E Sandy Court
Jessup, MD 20785-9632
USA

Portable Dew Point Monitor

for Compressed Air Desiccant Dryers

Model 8075A

Summary of Contents for 8075A

Page 1: ...6700 F 301 490 2313 email sales newport scientific com hygrotechnical newport scientific com Newport Scientific Inc 8246E Sandy Court Jessup MD 20785 9632 USA Portable Dew Point Monitor for Compressed...

Page 2: ...8075A_B docx February 2017...

Page 3: ...nts 5 Power Connection 6 Dryer Testing 6 Remote Monitoring Data Logging 8 Maintenance and Adjustments 9 Sample Hose Replacement 9 Filter Replacement 9 Monitor Disassembly 10 Sensor Replacement 11 Back...

Page 4: ...ESSED AIR CONSUMPTION 5SCFH ALARM SET POINT 10 F 23 C SAMPLE AIR CONNECTION Industrial interchange coupling set with 1 4 NPT male threads SENSOR PART NUMBER 1205DM ANALOG OUTPUT SCALING 40 F to 70 F 4...

Page 5: ...actual pressure dew point Real time dew point is displayed on a large numeric LED display The monitor samples process air through six feet of flexible hose which terminates in a standard 1 4 industri...

Page 6: ..._B docx 3 February 2017 Features and Accessories The dew point monitor and its accessories are housed in a portable carrying case Before using the monitor familiarize yourself with the features shown...

Page 7: ...e alarm set point LINE PRESSURE GAUGE Indicates actual air pressure at the sensor housing inside the monitor SAMPLE HOSE ASSEMBLY Six feet of pressure resistant hose connects monitor input port to com...

Page 8: ...s plug is compatible with many shop air quick connect sockets although a compatible socket is supplied with the monitor which can be used as a dedicated test port in your compressed air distribution l...

Page 9: ...yed fibers DO NOT use the monitor until the hose is replaced Connect the 8075A sample hose plug to a compatible quick connect socket in your air distribution line The monitor will begin to bleed air f...

Page 10: ...to continuously monitor dryer conditions The built in red light and audible beeper will indicate dryer trouble within moments of a dew point rise A constantly high reading on the 8075A may indicate a...

Page 11: ...d of time The output jack is a 3 pin male M8 type connector This connector accepts standard threaded or snap fit female M8 cables Pin No Wire Color Signal 1 Brown 4 20mA current sourcing 3 Blue Ground...

Page 12: ...ilter located at the monitor s sample air inlet port Remove all remnants of thread sealing tape any pieces left can get loose during re assembly could clog the internal bleed orifice Apply new tape to...

Page 13: ...e a screwdriver to remove the 5 screws along the perimeter of the panel holding it in the case Grab the sample air inlet elbow to help lift the panel straight up and out of the case When re assembling...

Page 14: ...tubing whenever the sensor is replaced With the panel removed from the case locate the sensor housing and pull the sensor cable connector from the housing The cable will unplug straight out Unscrew t...

Page 15: ...gauge mounting Hold the fitting up to a light you should be able to see light coming through the tiny hole in the orifice If no light is visible try blowing compressed air through the barbed side of t...

Page 16: ...ear the upper left corner of the PC board Move J6 and J7 jumpers to the C position to display dew point in C To change the dew point at which the monitor indicates an alarm high dew point indication u...

Page 17: ...e front panel display will indicate the current alarm set point Adjust the SET1 potentiometer to the desired set point When the front panel display indicates your desired set point return the S1 switc...

Page 18: ...itor that is much less than your actual line pressure might indicate a clogged sample filter Disconnect monitor from compressed air Remove filter from inlet elbow and check for clear flow Replace if n...

Page 19: ...isplay responds Sensor cable disconnected Disassemble the monitor and make sure sensor cable is plugged into the 2 pin insert Sensor broken or missing Unplug the sensor cable and short the cable pins...

Page 20: ...017 Monitor is slow to respond Possible Cause Corrective Action Dirty sample air filter Replace filter Sensor old or damaged Replace sensor Contaminated sample hose Inspect sample tubing and replace i...

Page 21: ...docx 18 February 2017 Spare Parts Accessories Item Part No Sensor 1205DM Filter 3305010 Sample hose assembly 4100210 2 pin insert 0900106 Gasket for insert 1000613G Field wireable analog out connector...

Page 22: ...8075A_B docx 19 February 2017 Notes...

Page 23: ...special indirect consequential damages arising out of this warranty or any breach thereof of any defect in or failure or malfunction of the equipment and materials are further subject to tolerances a...

Page 24: ...newport scientific com P 301 498 6700 F 301 490 2313 email sales newport scientific com hygrotechnical newport scientific com Newport Scientific Inc 8246E Sandy Court Jessup MD 20785 9632 USA...