Hygrodynamics AIRIC 1072 Manual Download Page 4 | Manualshive

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1072_B

3

June 2020

Application

Suggested Model

Desiccant dryers for plastics molding

1072A

Limited dew point desiccant dryers

1072B

Hot air dryers for plastics molding

1072C or 1072D

Bulk material testing, ambient air testing

1072D or 1072E

The hygrometer and its accessories are housed in a portable carrying case.
Before using the hygrometer, familiarize yourself with the items shown below:

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Summary of Contents for AIRIC 1072

Page 1: ...ic com P 301 498 6700 F 301 490 2313 email sales newport scientific com hygrotechnical newport scientific com Newport Scientific Inc 8246 Sandy Court Suite E Jessup MD 20794 USA Sampling Dew Point Hygrometer Model 1072 ...

Page 2: ...revision code will be displayed on the LED display for 2 seconds Revision Date Description R2 01 12 2019 Initial release for 1072A only R2 10 6 2020 Added support for ranges B C and E models Contents Manual Revisions 1 Product Revisions 1 Contents 1 Product Overview 2 Using the Airic 5 Maintenance and Adjustments 9 Troubleshooting 13 Specifications 17 Spare Parts Accessories 17 Warranty 18 ...

Page 3: ...ral measurement ranges suitable for different applications The measurement range is determined by the sensor installed in the unit and is reflected in the letter suffix of the hygrometer model number The supplied Narrow Range Hygrosensor provides fast response to changes in dew point The dew point measurement is temperature compensated so the useful range of each model is dependent on air temperat...

Page 4: ...ited dew point desiccant dryers 1072B Hot air dryers for plastics molding 1072C or 1072D Bulk material testing ambient air testing 1072D or 1072E The hygrometer and its accessories are housed in a portable carrying case Before using the hygrometer familiarize yourself with the items shown below ...

Page 5: ...E TUBING Six feet of heat resistant flexible tubing draws in process air to be measured Tube is 3 16 ID X 5 16 OD AIR FILTER Installed in line with sample tubing removes fine particulates from sample air DESICCANT TUBE Provides dry air for testing the hygrometer s response TUBING STORAGE BRACKET Allows storage for sample tubing and desiccant tube when not in use ANALOG OUTPUT 0 5V output for remot...

Page 6: ...fferent plug type to accommodate other supply voltages The 1072 will be damaged if connected to incorrect supply voltage Taking Measurements Turn the power switch ON to begin testing The 1072 will continuously draw air though its sample tubing Dew point results shown on the LED display will indicate the moisture content of air that is sampled through the tubing Samples can be taken of ambient air ...

Page 7: ...or proper dryer function To enable testing of your process air you should provide fittings in your drying system that will accept the 1072A s 3 16 ID sample tubing This can be a barbed hose fitting or a piece of copper tube that penetrates your dryer s air hoses The point of attachment must be secure and leak free The flexible sample tubing supplied with the hygrometer can tolerate temperatures up...

Page 8: ...t all dryers produce a 40 F dew point Check with your dryer manufacturer for expected dew point levels Leave the 1072A connected and turned on during material drying and processing 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 1072A may indicate a malfunctioning dryer or one that is overloaded by damp mater...

Page 9: ...reading will start to drop Material processing can begin when the dew point reading is at an acceptable level If the 1072A reading is stuck high change the sampling point to the output of the dryer Follow the instructions for Dryer Performance Testing described above to make sure the dryer is providing low dew point air to the hopper Remote Monitoring Data Logging The 1072 analog output jack can b...

Page 10: ...r before disassembly Even with the power switch off voltages are present inside the unit Slide the sample tubing off of the front panel elbow Remove the 5 screws along the perimeter of the panel holding it in the case Use the sample tubing elbow to help lift the panel straight up and out of the case When re assembling the panel into the case make sure sensor cable wires are tucked in and not pinch...

Page 11: ...ing and air filter 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 the hex nut from the top of the sensor housing With the hex nut removed pull the insert and sensor out of the housing The sensor will then unplug from the insert Replace sensor and inspect g...

Page 12: ...tons and press both buttons together to select this is the ENTER command WARNING Menu navigation is performed while power is applied to the hygrometer Avoid touching other parts of the PC board or electrical terminals while pressing buttons Enable configuration mode by pressing ENTER If no buttons are pressed for some time the unit will automatically revert to operational mode UP button increase v...

Page 13: ...al operation Set point 1 SEt1 10F or to change to store Set point 2 SEt2 5 0F or to change to store Process unit unit dpF dew point F dpC dew point C Set point 2 is only available on special order hygrometers When configuration is complete remove power and reinstall the 1072 panel into the carrying case CAUTION Avoid altering additional menu settings from those shown above Incorrect settings may c...

Page 14: ...you should purchase a new desiccant tube before testing Remove the yellow caps from the ends of the desiccant tube save them for re use Connect the sample tubing to one end of the desiccant tube and the sample air outlet to the other end This will create a closed loop of dry air flow through the hygrometer and desiccant tube Turn on the hygrometer In a few minutes the reading should start to drop ...

Page 15: ...ter on use finger to block sample tubing If you don t feel suction the vacuum pump may be worn or damaged or the 3 pin sensor insert holding the sensor may be cracked and leaking Hygrometer should be serviced Sensor worn or contaminated Using a fresh desiccant tube perform the Dry Down test If response is slow replace sensor Sampled air is not dry Sampled air must have a dew point within the measu...

Page 16: ...nsor missing or damaged Unplug the sensor cable and short the 2 outer cable terminals together with a jumper wire Turn hygrometer on If display indicates high dew point the sensor needs replaced Circuit board defective Unplug the sensor cable and short the 2 outer cable terminals together with a jumper wire Turn hygrometer on If display still indicates under range the hygrometer needs factory serv...

Page 17: ...l suction the vacuum pump may be worn or damaged or the 3 pin sensor insert holding the sensor may be cracked and leaking Hygrometer should be serviced Sensor worn or contaminated Using a fresh desiccant tube perform the Dry Down test If response is slow replace sensor Sample tubing or air filter is dirty Inspect sample tubing and air filter and replace if loaded with resin dust ...

Page 18: ...072E 1413 32 F to 65 F 0 C to 18 3 C 50 F 10 C TYPICAL ACCURACY 3 F 1 7 C ANALOG OUTPUT SCALING 0 5VDC scaled as 40 F to 70 F dew point 40 C to 23 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 NET WEIGHT 7 0lbs Spare Parts Accessories Item Part No Air filter 3305005 6 sample tubing filter assembly 4100200 3 pin se...

Page 19: ... 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 and variations consistent with usages of trade This warranty shall run in favor only of the purchaser from Seller and may not be passed on or represented on behalf of Seller to any subsequent purchaser WARRANT...

Page 20: ...newport scientific com P 301 498 6700 F 301 490 2313 email sales newport scientific com hygrotechnical newport scientific com Newport Scientific Inc 8246 Sandy Court Suite E Jessup MD 20794 USA ...

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