Omega DP751 User's Manual
Contents
1. 2 Minimum bending radius for sensor wire 1 3 Always leave slack between sensor and wire mounting brackets 4 Where a sharp bend is necessary or repeated bending on door will take place use a strain relief loop as shown in Figures B and D 5 Do not place a bend at the sensor see Figure C FIG Prt CLAMP 1 A MIN FIG STRAIN RELIEF 46 OA L00P Fic KEEP THIS ACTIVE PORTION OF SENSOR SENSOR EXPOSED zve a CLEAR OF MOUNTING HARDWARE STAAIN RELIEF Loop UNION CONNECTION SST SENSOA COMPRESSION NUT TIGHTEN LIGHTLY 10 LOCK SENSOR IN PLACE SSLK 14 14 SPECIFICATIONS SENSOR Thermistor 0 25 OD 1 8 long stainless steel a probe with 36 or 96 of lead wire Q 50 K ohms POWER 3V solar cell ACCURACY 2 0 F AMBIENT OPERATING 35 to 160 F UPDATE TIME 10 seconds RANGE 30 to 72 C DISPLAY 0 375 LCD LUX RATING 35 Lux minimum PANEL CUTOUT 2 04 diameter SOLAR CELL LIFE approx 15 years DIMENSIONS 2 25 x 2 25 x 0 78 deep 57 2 x 57 2 x 19 8 mm MOUNTING U clamp standard TEMPERATURE RANGE DP751F model 58 to 158 F Resolution of 1 F AND RESOLUTION DP751C model 50 to 70 C Resolution of 1 C WEIGHT 1 69 oz 48 gm CE OMEGA kp EEG Poatie Coane Servicing USA and Canada Call OMEGA Toll Free USA Canada One Omega Drive Box 4047 976 Bergar Stamford CT 06907 0047 USA Laval Quebec H7L 5A1 Telephone 203 359 1660 Telephone2. 514 856 6928 FAX 203 359 7700 FAX 514 856 6886 Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN TELEX 996404 EASYLINK 62968934 CABLE OMEGA Servicing Europe United Kingdom Sales and Distribution Center 25 Swannington Road Broughton Astley Leicestershire LE9 6TU Engtand Telephone 44 1455 285520 FAX 44 1455 283912 emma WARRANTY OMEGA warrants this unit to be free of defects in materials and workmanship and to give satisfactory service for a period of 13 months from date of purchase OMEGA Warranty adds an additional one 1 month grace period to the normal one 1 year product warra to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit should malfunction it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written a request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge However this W is VOID if the unit shows evidence of having been tampered with or shows evidence of being damaged as a result of excessive corrosion or current heat moisture or vibration improper specification mis application misuse or other operating conditions outside of OMEGA s control Components wh
3. OE OMEGA An MERGA Toeoknalegies Company DP751 Series Solar Powered Thermometers Operator s Manual M1499 0995 DESCRIPTION The OMEGA DP751 Solar Powered Thermometers are excellent for outdoor applications where AC power is not available and wide ambient operating temperature is required Using a 3 volt solar call the DP751 will operate with as little as 35 lux a comfortably lit desk is about 300 lux The ability to operate in temperatures as low as 35 F allows the user to monitor temperatures of pipelines in remote sites Other applications include walk in refrigerators freezers and photographic apparatus Since it is self powered the DP751 thermometers can also be used near hot tubs and pools where electrical safety is a concem The following models are available from OMEGA Engineering Inc PART NUMBER DESCRIPTION OF SOLAR POWERED THERMOMETERS DP751F SLR FL 2 25 Square LCD Range of 58 to 158 F Resolution of 1 F DP751C SLR FL 2 25 Square LCD Range of 50 to 70 C Resolution of 1 C NOTE specify 36 or 96 inches for cable length Special lengths are available The thermistor and cable are calibrated and matched to the display The probes are not interchangeable UNPACKING Remove the Packing List and verify that all equipment has been received If there are any questions about the shipment please call the OMEGA Customer Service Department Upon receipt of shipment inspect the container and eq
4. ich wear or which are damaged by misuse are not warranted These include contact points fuses and triacs OMEGA is glad to offer suggestions on the use of its various products Nevertheless OMEGA only warrants that theparts manufactured by it will be as specified and free of defects v OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FIT NESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with vespect to this order whether besed on contract warrenty nogiigonoa indemnification strict Kabi or otherwise shall not exceed the se price of the component upon lity is based in no event shall OME A be liable for con sequential inci l or special damages Every precaution for accuracy has been taken in the preparation of this manual however OMEGA ENGINEERING INC neither assumes responsibility for any omissions or errors that may appear nor assumes liability for any damages that result from the use of the products in accordance with the information contained in the manual SPECIAL CONDITION Should this equipment be used in or with any nuclear installation or activity purchaser will indemnify OMEGA and hold OMEGA harmiess from any liability or damage whatsoever arising out of the use of the eq
5. ne readable form in whole or in part without prior written consent of OMEGA ENGINEERING INC
6. om the interior Place the thermometer in position on the exterior and secure using U Clamp and two thumb screws supplied Be careful not to overtighten Secure probe and sensor wire with clips not supplied Use sealant to fill in interior hole Clean the temperature display LCD and solar panel before securing protective part number mask Peel off backing on protective part number mask and secure on front of unit being sure to press on all around to seal the mask to the case CALIBRATION PROCEDURE Note each unit is factory calibrated and a glyptol color coded seal is placed on the calibration potentiometer to prevent calibration shift The color represents the date of manufacturing Immerse the sensor in a known temperature circulated liquid bath using a mercury glass thermometer to obtain the right temperature or have a mixture of water and crushed ice slush to obtain 32 F 0 C 3 To re calibrate the thermometer use a small phillips head screwdriver to adjust the potentiometer on the back of the DP751 Tum clockwise to adjust down and counter clockwise to adjust up Keep in mind the 10 second update time when making adjustments To re seal the potentiometer you may use clear nail polish rey SENSOR MOUNTING DIRECTIONS Mount the sensor and its lead wire to minimize or eliminate stress due to differential expansion and mechanical strain The following is suggested NOTES 1 Donotcrimp cut or expose sensor lead wire
7. uipment for signs of damage Take particular note of any evidence of rough handling in transit Immediately report any damage to the shipping agent NOTE The carrier will not honor any claims unless all shipping material is saved for their examination After examining and removing contents save packing material and carton in the event reshipment is necessary Make sure the thermometer part number label and manual are in the shipping box DFMO0995JCE3BA INSTALLATION FRONT FLANGE MOUNTING IN A PANEL OR WALK IN COOLER 1 2 3 4 D o Exterior panel hole size to be round 2 1 8 diameter with minimum depth of 1 Interior hole to be a minimum of 5 16 sensor is 1 4 diameter Push sensor probe through hole from the exterior and take up slack from the interior Piace the thermometer in position on the exterior and secure with minimum of two 6 pan head screws self tapping installed diagonally upper right lower left Be careful not to overtighten Secure probe and sensor wire Use sealant to fill in interior hole Clean the temperature display LCD and solar panel before securing protective part number mask Peel off backing on protective part number mask and secure on front of unit being sure to press on all around to seal the mask to the case U CLAMP MOUNTING IN A PANEL 1 2 3 5 Exterior panel hole size to be round 2 1 8 diameter Push sensor probe through hole from the exterior and take up slack fr
8. uipment in such a manner EE RETURN REQUESTS INQUIRIES Ea a Direct all warranty and repair requests inquiries to the OMEGA ENGINEERING Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence FOR WARRANTY RETURNS please have the following infor FOR REPAIRS OR CALIBRATION consult mation available BEFORE contacting O GA OMEGA for current repair calibration charges Have the follow 1 P O number under which the product was PURCHASED ing information available BEFORE contacting OMEGA 2 Model and serial number of the s produci under warranty and 1 P O number to cover the COST of the repair calibration 3 Repair instructions and or specific problem relative to 2 Model and serial number of product and product 3 Repair instructions and or specific problems relative to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the Hatest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 1995 OMEGA ENGINEERING INC All rights reserved This documentation may not be copied photocopied reproduced translated or reduced to any electronic medium or machi
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