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manual abstract
Heating Cableshall not exceed the purchase price of the component upon which liability is based. In no event shall OMEGA be liable for consequential, incidental or special damages. . Transducers & Strain Gages . Cartridge & Strip Heaters . Load Cells & Pressure Gages . Immersion & Band Heaters “Basic Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) . Displacement Transducers . Flexible Heaters in medical applications or used on humans. Should any Product(s) be used in or with any nuclear CONDITIONS: Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a . Instrumentation & Accessories . Laboratory Heaters installation or activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility as set forth in our basic WARRANTY/ DISCLAIMER language, and, additionally, purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or FLOW/LEVEL ENVIRONMENTAL damage whatsoever arising out of the use of the Product(s) in such a manner. e-mail: info@omega.com . Rotameters, Gas Mass Flowmeters & MONITORING AND CONTROL Flow Computers RETURN REQUESTS/INQUIRIES . Metering & Control Instrumentation . Air Velocity Indicators Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE . Refractometers RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN . Turbine/Paddlewheel Systems . Pumps & Tubing(AR) NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PRO . Totalizers & Batch Controllers . Air, Soil & Water Monitors package and on any correspondence. The purchaser is responsible for shipping charges, freight, insur-. Industrial Water & Wastewater ance and proper packaging to prevent breakage in transit. CESSING DELAYS). The assigned AR number should then be marked on the outside of the return pH/CONDUCTIVITY Treatment . pH Electrodes, Testers & Accessories FOR NON-WARRANTY REPAIRS, consult . pH, Conductivity & Dissolved Oxygen following information available BEFORE contacting FOR WARRANTY RETURNS, please have the OMEGA for current repair charges. Have the . Benchtop/Laboratory Meters Instruments following information available BEFORE con-. Controllers, Calibrators, Simulators & OMEGA: tacting OMEGA: 1. Purchase Order number under which the Pumps 1. Purchase Order number to cover the COST product was PURCHASED, of the repair, . Industrial pH & Conductivity 2. Model and serial number of the product under warranty, and 2. Model and serial number of the product, and Equipment 3. Repair instructions and/or specific problems relative to the product. 3. Repair instructions and/or specific problems relative to the product. DPG3000 OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our customers the latest in technology and engineering. OMEGA is a registered trademark of OMEGA ENGINEERING, INC. PRESSURE GAUGES © Copyright 2004 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior written consent of OMEGA ENGINEERING, INC. M-3449/0499 DPG3000 Digital Pressure Gauge instructions All units are factory calibrated prior to shipment. 1) ZERO TRIMMING: Loosen the set screw retaining the front cover and rotate counterclockwise to remove. You will now have access to the zero adjust potentiometer which is marked with a “Z”. An ideal zero is indicated by a reading of 000 with an intermittently flashing “-” sign. A jeweler screwdriver or an eyeglass screwdriver is a suitable instrument. Be careful NOT to touch the “S” pot to the right, as changing this adjustment will invalidate the factory calibration. 2) BATTERY REPLACEMENT: After removing the front cover as in 1), loosen the small set screw at the bottom of the Display Assembly and remove the Assembly from the Housing (be careful of the Sensor Leads). The batteries can now be pulled from the holders and replaced with P/N DPG-BAT-C or equivalent. 3) RE-CALIBRATION This procedure requires a known pressure source of at least +/-0.1% accuracy in order to fully utilize the accuracy potential of the DPG-3000. (If not available, gauge can be returned for re-calibration). 4) PROCEDURE: A) With 0 psig applied (port vented) adjust zero as per instructions in #1. B) Apply full-scale pressure to the pressure port and adjust the span (“S”) pot until display reads the correct pressure. C) Re-check zero and re-adjust the zero (“Z”) pot if required. D) Repeat steps B) and C) until no further adjustment is required. 5) 4/20 mA TRANSMITTER OPTION: (–A4 Option) When equipped with this option the gauge no longer operates from batteries but instead is “Loop Powered”. The loop connection is made to a terminal strip located inside the housing. A voltage of between 9 and 32 VDC must be...