DF745SGMax Operator Manual


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DF745SGMax Operator Manual - 1

NanoTrace Moisture Analyzer DF-745SGMAX OPERATOR MANUAL

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Copyright 2011 by Servomex Corporation No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form, or by any means including electronic, mechanical, photocopying, recording or otherwise without prior written permission of Servomex Corporation. NanoTrace Moisture Analyzer is a trademark of Servomex Corporation. VCR is a registered trademark of the Cajon Company. DF-745SGMax Operator Manual Firmware v5.9.1 Manual Version 110911 Your NanoTrace Moisture Analyzer has been designed, manufactured and is supported under ISO-9001 controls, thus helping...

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For more information or if you have questions, please do not hesitate to go to our website at Servomex.com, or contact your local Servomex Business Center as found on the back cover of this manual.

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Read Me First… Unpacking Procedure Follow the procedure below to unpack your NanoTrace Moisture Analyzer 1. Examine the condition of the packaging and its contents. If any damage is apparent, immediately notify the carrier and Servomex. Do not proceed with the installation. 2. Check the contents against the packing slip to make sure the shipment is complete. Unattached equipment may be shipped with the analyzer in supplemental packaging. Shortages should be reported to Servomex immediately. 3. All NanoTrace Moisture Analyzers are shipped with the following: Item Servomex Part Number Power...

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Thank You Thank you for selecting the NanoTrace Moisture Analyzer. Servomex designs, manufactures, exhaustively tests, and supports every analyzer under the tightest quality controls. You should expect every Servomex analyzer to arrive in perfect working order and, with good maintenance, provide years of trouble-free service. Please call your nearest Servomex Business Center if you need assistance.

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2 Cautions There are a number of warnings and cautions that must be observed to avoid damage to the analyzer as well to insure the safety of its users. The analyzer must be operated in a manner specified in this manual. Servomex cannot be responsible for direct or consequential damages that result from installing or operating the analyzer in a manner not described in this manual. Importantly, the analyzer has been designed for use with inert, non-toxic, non-combustible sample gases only. Servomex cannot be responsible for direct or consequential damages that result from using the analyzer...

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CAUTION Potentially hazardous AC voltages are present within this instrument. Leave all servicing to qualified personnel. Disconnect the AC power source when installing or removing: external connections, the sensor, or the electronics. CAUTION Do not setup or operate this analyzer without a complete understanding of the instructions in this manual. Do not connect this Analyzer to a power source until all signal and plumbing connections are made. CAUTION This analyzer must be operated in a manner consistent with its intended use and as specified in this manual. EMI DISCLAIMER This Analyzer...

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3 Specifications 3.1 Moisture Lowest Detection Level (LDL): 5 ppb @ Constant Conditions Resolution: Analytical Display: 1 ppb Analog output: >1% of selected output range Accuracy: Greater of: 0-20 ppm range: ±5% of reading or ±10 ppb @ Constant Conditions 21-50 ppm range: ±10% of reading or ±100 ppb @ Constant Conditions Speed of Response: Typically less than 3 minutes to reach 90 percent of an upward step change Upset Recovery Time: Typically less than 5 minutes from a high ppb upset to within 10 ppb of the previously stable reading. Range: 0-50 ppm Background Gas Compatibility*: All inert...

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Sample Temperature: 10° C to 80°C (50° F to 176° F) EMI Sensitivity: Tested to standards EN61000-3-3 and EN61326-1 Audible/Visual Alarm Status Indicators: Four Moisture levels, Temperature, Moisture cell Diagnostic, Zero Verification or Calibration in Process, Moisture Analyzer off-line, Analog output freeze during calibration. Alarm Relays: Four non-latching, independently assignable to moisture alarms or to moisture calibration-in-process indicator. SPDT contacts rated at 1 Amp @ 30 VDC. Fail safe action upon loss of power to alarm condition. Not designed to switch AC power. Storage...

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Figure 1: Overall View

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4 Installation, Start Up and Shut Down Installation of the analyzer requires the following steps be followed:  Connecting the pneumatic pressure service to the pneumatic inlet fitting Connecting the sample gas line to the analyzer inlet fitting Making the power connection to the analyzer POWER SWITCH Figure 2: Major Internal Components 4.1 Analyzer Installation 4.1.1 Pneumatic Pressure Line Connection - Optional The pneumatic gas connection (required for the optional gas panel) is a 1/8 inch compression fitting as shown in Figure 4 and requires 70 – 125 psig air or N2 pressure....

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4.1.2 Sample Gas Connections Sample Gas Inlet Connection Sample gas is connected to the analyzer via a ¼ inch male swivel VCR fitting labeled Process Inlet at the rear of the instrument as shown in Figure 3. Sample pressure of 30 – 150 psig is required and is regulated internally. Pre-purge the line by connecting to the analyzer (with a new VCR filter gasket) only finger tight and flowing gas for 15 minutes. Then tighten the inlet fitting. NOTE: A VCR filter gasket (supplied) should always be used to protect the gas delivery system from any particulate matter that may have collected...

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DF745SGMax Operator Manual - 21 Sample Gas Outlet Connection The sample gas outlet connection is a ¼ inch compression fitting labeled Moisture Sensor Outlet as shown in Figure 3. If a connection must be made to the exhaust, it must provide minimal backpressure. NOTE: If the Hydrogen Service Safety System is included, the sample outlet line must be made of steel. See Appendix A at the end of this manual for additional information. REGULATOR ADJUST BYPASS FLOW ADJUST PROCESS INLET PROCESS OUTLET BYPASS OUTLET Figure 4: Rear Gas Connections and Controls with Optional Gas Panel 4.1.3 Electrical Connections Open the...

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