Table of Contents
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Table of Contents
Troubleshooting
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Summary of Contents for IMS 8072A
- Page 2 165910 Dew Point Meter 8072A Manual June 2014...
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Page 3: Table Of Contents
Monitor Disassembly and Assembly ........9 Sensor Replacement .............. 10 Display Units & Alarm Set Point Adjust ......... 10 Troubleshooting ................ 13 Dry-Down Test ............... 13 Troubleshooting Hints ............14 Spare Parts ................. 16 Warranty 165910 Dew Point Meter 8072A Manual June 2014... -
Page 4: Specifications
-40 F to +70 F (-40 C to -9 C) ANALOG OUTPUT PORT 3 pin M8 male jack POWER REQUIREMENTS 115VAC 50/60HZ 0.15A max (230VAC optional) DIMENSIONS 10.75” X 9.75” x 4.75” WEIGHT 7.0lbs 165910 Dew Point Meter 8072A Manual June 2014... -
Page 5: Product Overview
Product Overview The 8072A dew point monitor is used to check the output dew point of a desiccant dryer. The monitor has a built-in vacuum pump which draws sample air to be measured and provides real-time indication of dew point on an LED display. Visual and audible alarm indicators warn when high dew points are detected. - Page 6 4-20mA and 0-5V output for remote monitoring or data logging. Mates with standard 3 pin M8 female cable. NOTE: The 8072A is shipped with a desiccant pack which can be discarded when the unit is unpacked. The desiccant pack is different than the Desiccant Tube.
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Page 7: Operation
CAUTION: The carrying case is not heat resistant. It may melt or distort if left resting on the hot parts of a heated dryer. If a surface is too hot to touch, it is too hot for the 8072A! Sample Tubing Connection To enable testing of your process air, you must provide fittings in your drying system that will accept the 8072A’s 3/16”... -
Page 8: Power Connection
Power Connection The 8072A is supplied with a 6 foot line cord for connection to power. Always connect the monitor to the correct supply voltage. Do not attempt to replace the line cord with a different plug type to accommodate other supply voltages. -
Page 9: Remote Monitoring/Datalogging
A constantly high reading on the 8072A may indicate a malfunctioning dryer or one that is overloaded by damp material in the hopper. If you suspect that the 8072A is giving an incorrect high reading, perform the Dry-Down Test described in the Troubleshooting section of this manual. -
Page 10: Maintenance And Adjustments
Alternatively, most wearable parts can be replaced by the user if you are not taking advantage of the calibration service. To access the serviceable parts inside the monitor, the 8072A panel must be removed from the carrying case. Monitor Disassembly and Assembly WARNING: Unplug the 8072A from power before disassembly. -
Page 11: Sensor Replacement
Replace sensor and inspect gasket for damage. Reassemble all parts, hand tighten the hex nut, and plug in the cable connector. Display Units & Alarm Set Point Adjust 165910 Dew Point Meter 8072A Manual June 2014... - Page 12 SWITCH labeled S1 and the ALARM ADJUST potentiometer labeled SET1. WARNING: The alarm set point adjustment is performed with the 8072A powered on. Avoid touching live electrical parts during this procedure as hazardous voltages are present! 165910 Dew Point Meter 8072A Manual...
- Page 13 (note that most ambient air will cause the monitor to read +15 F). Disconnect power and reinstall the 8072 panel into the carrying case. 165910 Dew Point Meter 8072A Manual June 2014...
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Page 14: Troubleshooting
+15 F (-9 C). Allow up to an hour for a -40 reading. If the monitor doesn’t respond, refer to the troubleshooting hints for more information. Replace the desiccant tube caps when done. 165910 Dew Point Meter 8072A Manual June 2014... -
Page 15: Troubleshooting Hints
Sampled air must have a dew Sampled air is not dry point of +15 F or lower for monitor to respond. Check the Operation section for proper use of the monitor. 165910 Dew Point Meter 8072A Manual June 2014... - Page 16 Unplug the sensor cable and short the cable pins together with a jumper wire. Turn monitor on and check for +15 F on display. If display stays at - 40 , the monitor needs factory service. 165910 Dew Point Meter 8072A Manual June 2014...
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Page 17: Spare Parts
Item Part No. Sensor 112254 Air filter 103808 High temp sample tubing (per ft) 4100133 2 pin insert 0900106 Gasket for insert 1000613G Desiccant tube 103796 Field wire-able analog out connector 0300201 165910 Dew Point Meter 8072A Manual June 2014...
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