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S A G E M E T E R I N G , I N C .

O p e r a t i o n s a n d I n s t r u c t i o n M a n u a l

REV. 03-SIE/SRE

SECTION D

User Interface – Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

User Interface

Sensor Functionality and Zero Calibration Self Check . . . . . . . . . . . . . . . . . . . 42

Simplified Keypad Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

VIP Menus and Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Menu Item Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Detailed Keypad Navigation and Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Pulsed Outputs, Alarms, Relays and Timer Settings. . . . . . . . . . . . . . . . . . . . . . 50

Wiring for Pulsed Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Common Examples Using the Keypad. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Range Changing Shortcut. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Examples Using the Laptop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

SECTION E

Common Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Diagnostics

SECTION F

Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Warranties and Service Work

Cancellation/Return Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Returning Your Sage Flow Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Return Material Authorization Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

SECTION G

Character Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Appendix

Junction Box and Upstream Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Installations Where Pipe Condensation May Develop . . . . . . . . . . . . . . . . . . . 73

VIP Screen Shot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

What Is a Thermal Mass Flow Meter? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Содержание SIE Series

Страница 1: ...xplosion Proof Style Models SIE and SRE DOCUMENT NUMBER 100 0066 REVISION 03 SIE SRE EXPLOSION PROOF Make the Wise Choice Choose Sage Flow Meters SAGE METERING INC 8 Harris Court D1 Monterey CA 93940 1 866 677 SAGE 7243 Tel 831 242 2030 Fax 831 655 4965 www sagemetering com ...

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Страница 3: ... SIE or SRE 18 Junction Box Wiring Terminals for Remote Style Meters 19 Circuit Board Wiring for Explosion Proof Style Meter 20 RS232 Cable Connector Assembly 21 Sage Remote Mounting Hardware 22 SECTION B Styles and Features 25 Theory Styles Specifications Principle of Operation 27 Basic Heavy Industrial Sage Flow Meter Styles 27 SECTION C SIE Series Integral Style General Purpose Mass Flow Meters...

Страница 4: ...Alarms Relays and Timer Settings 50 Wiring for Pulsed Output 51 Common Examples Using the Keypad 52 Range Changing Shortcut 56 Examples Using the Laptop 57 SECTION E Common Diagnostics 61 Diagnostics SECTION F Limited Warranty 65 Warranties and Service Work Cancellation Return Policy 65 Returning Your Sage Flow Meter 67 Return Material Authorization Form 68 SECTION G Character Locations 71 Appendi...

Страница 5: ...essure drop and have a turndown up to 100 to 1 and resolve as much as 1000 to 1 Sage Flow Meters can measure and control the mass flow rate and consump tion of air oxygen natural gas nitrogen digester gas biogas flare gas hydrogen argon carbon dioxide and other gases and gas mixes The innovative Sage design whether configured as an In Line or Insertion Flow Meter provides high accuracy and repeata...

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Страница 7: ...Section GETTING STARTED A ...

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Страница 9: ...lean the sensing element s surface using caution to avoid damaging the sensor elements the RTDs If any disassembly is necessary contact Sage Metering Inc for instructions In general it is recommended that your Sage Thermal Mass Flow Meter be returned to the factory if cleaning repair or recalibration is needed This is usually the most cost effective and reliable alternative CALIBRATION Sage therma...

Страница 10: ... Body There will be Metal Serial Number Tags on both the Transducer as well as the Remote Electronics enclosure Do not mismatch the serial numbers of the Remote Electronics and the Junction Box or calibration errors will occur LOCATING PROPER WIRING DIAGRAM 1 Look at the sticker on your meter The first three digits describe the basic model that you have Refer to the appropriate page numbers below ...

Страница 11: ...er to optimize measurement accuracy Refer to PROBE INSERTION GUIDELINE DRAWING and CHART pages 14 15 The ball valve will seal off leaks of the process gas at the point of insertion after the probe assembly has been removed The assembly includes a valve thread olet compression fitting with Teflon ferrule a cable restraint and two collar clamps A threaded half coupling 3 4 FNPT properly sized to acc...

Страница 12: ... sensor and a temperature reference sensor mounted directly in the specified flow section for exposure to the process gas a sensor drive circuit microprocessor meter board and transmitter enclosure All in line Flow Meters 1 2 and up have built in Flow Conditioners See Table on page 12 for Upstream Straight run requirements Note the 1 4 and 3 8 do not have Flow Conditioners and thus require more st...

Страница 13: ... center to optimize measurement accuracy Refer to PROBE INSERTION GUIDELINE DRAWING and CHART pages 14 15 Insert the probe shaft tubing into the compression fitting to the position indicated in the Probe Insertion guidelines While holding the fitting body steady tighten the nut one and one quarter turns to the 9 o clock position INSTALLATION INSTRUCTIONS 1 Insert tubing into the tube fitting 2 Mak...

Страница 14: ...ertion flow meters include a probe assembly that supports the sensing element a self heated flow sensor and a tempera ture reference sensor a sensor drive circuit micro processor meter board and transmitter enclosure The probe assembly must be inserted into the correct position in the process gas flow conduit to allow the gas to flow through the sensor window across the sensor element The sensing ...

Страница 15: ... 90 0 3171 10 10 750 9 750 4 25 6 00 0 5185 12 12 750 11 374 5 13 7 00 0 7056 14 14 000 12 500 5 70 7 50 0 8522 16 16 000 14 312 6 60 8 60 1 1172 18 18 000 16 124 7 50 9 60 1 4180 24 24 000 21 562 10 25 12 60 2 5357 S C H E D U L E 4 0 P I P E 2 S C H E D U L E 8 0 P I P E 2 PIPE SIZE OD ID X Y PIPE AREA 1 1 5 1 900 1 610 20 1 56 0 0141 2 2 375 2 067 40 1 82 0 0233 2 5 2 875 2 469 60 2 07 0 0332 3...

Страница 16: ...D THAT FACTORY BE CONTACTED TO ASSIST WITH APPLICATIONS OF THIS NATURE The outputs of the four meters will be averaged by customer s PLC or other method to improve overall accuracy in measuring the flow rate For medium sized round pipes 18 to 36 two meters on the opposite side of the same diameter may be sufficient insert parallel to an upstream 90 degree bend for optimal benefit Note in this conf...

Страница 17: ...pply power to the 4 20 ma outputs 9 27 volts Note the meter also needs to be powered 24 VDC or 115 VAC 230 VAC Connect your device as shown for fully isolated floating output USER POWERED 4 20 ma User supplies the power for the 4 20 ma outputs after first removing Jumpers from Terminals 9 15 Output is opto isolated 2 In this User Powered mode the 4 20 mA output can be reversed and will still opera...

Страница 18: ...3 SIE SRE Cable Connector Diagram for AC Powered Explosion Proof Meters SIE or SRE XP AC115 Power Board Power Cable Plug Receptacle Power Cable Plug with Screw Clamp Wire Terminals Black AC1 White AC2 Green Earth Read Terminal Block Left to Right NOTE Screw for terminals on bottom of terminal block ...

Страница 19: ...umber tag It is important to match this serial number with the serial number of the Remote electronics Mixing components from different meters can result in significant errors a CAUTION Cable and cable glands are not for use in hazardous area environments Power ground outputs shielded cable seal fittings and conduits are to be supplied by customer 1 CSA standards require grounding this end as well...

Страница 20: ...E PIN1 SDB SENSOR TERMI NALS CONNEC T T O J UNC TION BO X PIN1 Circuit Board Wiring for Explosion Proof Style Meter SRE SENSOR DRIVER BOARD NT STYLE REMOTE HOOKUP 1 Flow Send red 2 Flow Sense green 3 Flow Sense Return blue 4 Temperature Send white 5 Temperature Sense black 6 Temperature Sense Return orange ...

Страница 21: ...ion to Main Terminal and 17 You can procure your own RS232 cable assembly with fly leads for the meter s terminals and a DB9 for your laptop However it may be easier to simply cut off the unneeded 8 Pin DIN connector from the cable assembly and strip the appropriate color wires as shown below Then simply run the cable and its stripped wires through one of the meter s access ports cord grips to the...

Страница 22: ... n M a n u a l 22 REV 03 SIE SRE Sage Remote Mounting Hardware MOUNTING OPTIONS 1 Overhead with U bolts customer supplied across pipe on each leg 2 Vertically as shown 3 Horizontally 4 61 7 38 2 00 CORD GRIP or NPT PLUG as req d BOTH SIDES WAVE WASHER WAVE WASHER 266 DIA HOLES ...

Страница 23: ...Section STYLES AND FEATURES B ...

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Страница 25: ... proof Junction Box with your choice of Probe or Flow Body depending on your pipe size HOW DOES THERMAL MASS FLOW MEASUREMENT BENEFIT YOU Direct Mass Flow No need for separate tempera ture or pressure transmitters High Accuracy and Repeatability Precision meas urement and optimal control of your process Turn down of up to 100 to 1 and resolution as much as 1000 to 1 Low End Sensitivity Detects lea...

Страница 26: ... be mounted 1000 feet away from the sensor s measurement point Mounting Hardware for the Remote Enclosure is included see page 34 The 6 conductor cable separating the sensor probe or flow body from the electronics is lead length compensated allowing the user to change wire length without affecting the meter s accuracy or perform ance In addition the probe has an Explosion Proof Junction Box that d...

Страница 27: ...al power required to maintain a constant temperature Principle of Operation of the Thermal Mass Flow Meter differential is directly proportional to the gas mass flow rate and is linearized to be the output signal of the meter It is essential that this constant temperature differen tial be maintained even if there are wide fluctuations in gas temperature It is the job of the Sage propri etary senso...

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Страница 29: ...Section DRAWINGS C ...

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Страница 31: ...le Available probe lengths C are 6 12 15 18 24 30 36 or 48 IN LINE METER DIMEN Expl Proof B 7 33 7 39 7 45 7 58 7 70 7 83 7 95 8 20 8 45 8 70 9 20 Pipe Size x Flow Body Length 3 1 4 x 6 3 8 x 6 1 2 x 7 3 4 x 7 1 x 8 1 1 4 x 10 1 1 2 x 12 2 x 15 2 1 2 x 18 3 x 20 4 x 25 1 NPT Fittings standard 2 Flanged Mounting available for high pressure operation 3 Flow Conditioning built in to Flow Meter Pipe S...

Страница 32: ...anged Mounting available for high pressure operation 3 Flow Conditioning built in to Flow Meter Pipe Sizes 3 4 and up Contact Sage for optional 1 4 tube flow body 4 3 4 Female NPT 3 for wiring access and flowbody or probe cable 5 Customer will usually replace the cable that is supplied with their own cable JUNCTION BOX No Electronics JUNCTION BOX Class I Group B C D Class II Group E F G NEMA 7 NEM...

Страница 33: ...racket Layout MOUNTING OPTIONS 1 Overhead with U bolts customer supplied across pipe on each leg 2 Vertically as shown 3 Horizontally 4 61 7 38 2 00 CORD GRIP or NPT PLUG as req d BOTH SIDES WAVE WASHER WAVE WASHER 266 DIA HOLES 1 2 NPT User Entry for Wiring 2 3 4 NPT for Remote Cable 1 2 NPT User Entry for Wiring 2 ...

Страница 34: ... very hot gases This adaptation is not shown Consult factory for details 4 Maximum gas temperature 200F unless high temperature models ordered 5 HotTapping is feasible by removingWeldment upper portion of assembly temporarily removed 6 Height of SVA07 is 12 50 Also the SVA07 requires a 1 x11 2 Threadolet SENSOR ASSEMBLY EXTENDS 2 25 L BELOW THE LOWER EDGE OF THE WELDED COLLAR CLAMP WITH CHAIN TAUT...

Страница 35: ...al Gas applications maximum 50 PSIG Assumes 1 2 Insertion Probe inserted to center of a Pipe see Sage Probe Insertion Guidelines Teflon Ferrule permits ease of Probe insertion or removal Exercise caution when loosening Ferrule nut during insertion and removal of Probe since this model has no Safety Chain Note maximum upward force is 20 of pipe pressure i e 10 Lbs with 50 PSIG The Assembly will be ...

Страница 36: ...ed Ends SIDE VIEW BOLT PATTERN Flanged mounting for Insertion Flow Meters is also optional although generally applied to very high pressure or high temperature applications only Note when specifying Flanged mounting for Insertion Flow Meters the Flange will be welded Therefore it is essential that a drawing is supplied that clearly shows the height of the mating Flange relative to the Pipe OD The ...

Страница 37: ... d I n s t r u c t i o n M a n u a l 37 S A G E M E T E R I N G I N C REV 03 SIE SRE In Line Flow Conditoning Screens STANDARD FOR FLOW BODIES 1 2 AND UP SCREENS SHOWN WITH OPTIONAL FLANGED ENDS SCREENS SHOWN WITH NPT FITTING ...

Страница 38: ...d plates of the Sage conditioning basket is positioned between two flanges and two gaskets as shown The smaller of the two perforated plates of the conditioner will freely slide into the application pipe facing downstream The compression will be placed one diameter downstream of the downstream plate FRONT VIEW OF ONE OF THE CONDITIONING PLATES REV 03 SIE SRE 1 Insertion Flow Meters need to be cali...

Страница 39: ...Section USER INTERFACE D ...

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Страница 41: ...ms ANALYSIS Forward Back Items SDB ADJUST Forward Back Items RELAYS Forward Back Items SYSTEM SETUP Forward Back Items MENUS Press SELECT SET button to enter passcode to change item settings enter 99999 Main Menu Menu 100 places meter into Flow Mode and Flow Rate Total and Temperature are displayed This selection also locks settings after any changes have been made User Interface SEE PAGE 44 FOR S...

Страница 42: ...user with a Sage SVA05 or SVA07 Isolation Valve Assembly can check zero of the actual gas and pressure without shutting off the gas supply Refer to SVA SERIES ISOLATION VALVE ASSEMBLY DETAILS ON PAGE 35 a Loosen Lower Collar Clamp completely b Slightly loosen compression fitting until Probe can be lifted c Lift Probe until Safety Chain is taut d Tighten compression fitting e Close Valve f Check ze...

Страница 43: ...ent to remove the build up A soft brush can be used to gently clean the sensing surface using caution to avoid damaging the sensor elements the RTD s 13 In summary if a technician in the field were able to simulate Sage calibration conditions he too would find that the mWo would be within one mW or very close to that Since this is not always possible we are finding that after con sidering all of t...

Страница 44: ...change settings Press again to toggle out of Contents OR Press first to bring up Passcode Enter 99999 to unlock settings PRESS BACK DOWN THEN SELECT SET REPEAT SEQUENCE FIVE 5 TIMES THEN SELECT SET TO ACCEPT 3 4 1 I M P O R T A N T S H O R T C U T S To return to Flow Mode simply hold Forward Up then press Flow Shift unless viewing Contents This also locks settings To view Serial Number and softwar...

Страница 45: ...me 706 Date 707 Back Lite 0 Auto 1 On 708 Factory All 710 Format EEPROM 711 Backup EEPROM 712 SDB PreCharge 720 Ext Zero Enable11 730 Power Splash12 735 Eng Units Mode13 740 Meter Address 50 750 Passcode VIP Menus and Items Rev 2 06 SUITABLE FOR WINDOWS XP OR VISTA OPERATING SYSTEMS SEE PAGES 45 48 FOR MENU ITEM DESCRIPTIONS Sage VIP Software1 2 Ver 2 06 is supplied with each order along with an R...

Страница 46: ...k display then change Max Val 210 back to original setting i e if original Max Value was 100 a K factor of 5 changes Max Value to 50 See next section for more detail 5Do not change item 306 See item 619 to change filtering Note item 702 adjusts update period and often is useful if the issue relates to display or output changing too rapidly 6Reset Total resets the totalizer to zero If you want to d...

Страница 47: ...inals These terminals can be configured either for Flow Out put or Temperature If an exact value of 0 is entered in item 211 the output will be a Temperature output i e 0 000 However any other value i e 0 001 will result in a Flow output Menu Item Descriptions SEE PAGES 43 AND 44 220 Temp Deg This controls whether the displayed tempera ture reads in Fahrenheit or Centigrade If 0 is selected the te...

Страница 48: ...al Number the value cannot be changed Note the Serial Number displays for approximately 2 seconds upon Meter power up during the initializing phase The Serial Number can also be displayed during normal flow operation by depressing the Back Down button MENU ITEM DESCRIPTIONS CONTINUED FROM PAGE 47 704 New Passcode allows the user to modify the Passcode from the factory default 99999 CAUTION If you ...

Страница 49: ... SELECT SET to preview the Contents of an Item note blinking characters since meter is unlocked Make changes as needed See NUMERIC ENTRY MODE to accept change Note You can change Max Value Item 210 higher than the original Full Scale FS calibration range but accuracy may be effected NUMERIC ENTRY MODE FLOW SHIFT In NUMERIC ENTRY mode press to move the cursor to the left value accepted when charact...

Страница 50: ...ttings require this value see Timer for values and range for proper operation The trip condition must exist for at least Delay Time value before the Trip condition will activate This is used to minimize the effects of false triggering of the alarms from spurious peaks in flow or temperature EXAMPLES NOTE The steps in setting the Relay Menu items needs to be followed in the exact sequence for Relay...

Страница 51: ...ct pin 4 of the relay board to end user 24 VDC pulsed input For 24 VDC pulsed output connect pin 5 of the relay board Connect ground for the pulsed output from pin 8 of the main terminal strip to end user ground JUMPERS 24 VDC Pulse Out D SELF POWERED Internally Powered 4 20mA Factory Default Sage supplies the power In this mode outputs are not isolated from DC ground See wiring diagram below 2 To...

Страница 52: ...ine at any time you can hold Forward Up with one finger then Press Flow Shift with another finger to Shortcut back to Flow Mode 5 After one minute of inactivity the meter will also go into Flow Mode 6 If the power is cycled off and on the meter will also go into Flow Mode after a few seconds of Initializing Example 3 Entering the 99999 Passcode and Changing Item Contents 1 Verify that meter is in ...

Страница 53: ... from SCFM to SCFH 1 Refer to Example 3 Steps 1 7 to enter Passcode 2 The Main Menu will appear 3 Press Flow Shift three times to bring up Eng g Units Menu 4 Press Back Down three times brings up Hour 5 Press Select Set to accept 6 Shortcut back to Flow Mode See Example 2 Example 8 Configuring for a Specific Pipe For this example assume you have a single channel meter Channel A only that is calibr...

Страница 54: ... switch channels after step 3 Example 9B Older Version To select a channel on Meter Rev 2 065 for example Channel B from the Keypad follow the steps below 1 Verify that Meter is in Flow Mode see Example 2 2 Tap the Back Down Key once 3 Tap Flow Shift for Channel A Select Set for Channel B Forward Up for Channel C or Back Down for Channel D 4 It will take about 10 seconds to switch channels after s...

Страница 55: ...Analysis Menu 6 Press Forward Up twice brings up RTD Power 7 Press Select Set once 8 You are now observing the raw milliwatts mw coming off the sensor circuit Check the observed reading after a few minutes of no flow stabiliza tion against the last line s of your Meter s Certificate of Conformance 9 A value within 5 milliwatts of the original Factory value assuming the same gas is checked at same ...

Страница 56: ... The third keypad Forward Up will bring up Channel C The fourth keypad Back Down will bring up Channel D Wait approximately 10 seconds for the new Channel to appear Note Channels B C and D display that letter in the top left corner of the display Note Channel A will be blank in the top left corner Channels can be changed back and forth at any time Note The shortcut will only apply to those Channel...

Страница 57: ... externally by contact closure using a switch a PLC or a relay see item 701 on page 44 and enable external switching by selecting 4 in item 701 The descrip tion in item 701 on page 48 also denotes which terminals to connect to Example 4 Dual Channel Dual Sensitivity Meters and Auto Ranging Note Some customers order dual channel dual sensi tivity meters and using externally latched relays or a PLC ...

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Страница 59: ...Section DIAGNOSTICS E ...

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Страница 61: ...e Display If the serial number doesn t agree with the Junction Box labels that would affect calibration in other words sensors and electronics are a matched pair mixing them up will cause false readings Also metal Serial Number Tags are fastened to both the electronics and the Junction Box They must have identical Serial numbers d To check if a sensor has failed on a remote style meter it is easy ...

Страница 62: ... is disturbed causing errors b Poor flow profile Upstream insufficient upstream straight run c Not following Probe Insertion Guideline d If sensor is inserted in reverse Upstream mark is facing downstream Meter may over report or under report by as much as 30 e If sensor is not aligned properly with Upstream mark facing upstream a rotation greater than 5 degrees may cause change in reading greater...

Страница 63: ...Section WARRANTIES AND SERVICE WORK F ...

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Страница 65: ...ERAL TERMS AND CONDITIONS Detailed General Terms and Conditions can be found on the Sage website www sagemetering com on a link General Terms on the Footer of any page on the website CANCELLATION RETURN POLICY Cancellation or Return After issuance of a purchase order by phone mail e mail or fax or a credit card order by phone mail e mail or fax there will be a cancellation fee for any cancelled or...

Страница 66: ...1 month of ship ment unless authorized by a representative at Sage Metering Inc The Sage representative will issue a Return Material Authorization RMA at that time and will advise of the restocking fee Returned package must be insured by cus tomer and must reference proper RMA on outside of package or package may be rejected i e package will be returned unopened Customer is responsible for return ...

Страница 67: ... accordance with the Right to Know Act and applicable US Department of Transportation DOT regulations Sage Metering will not accept delivery of equipment that has been contaminated without writ ten evidence of decontamination and has instituted the following Return Repair conditions Strict adher ence to these conditions is required Returned equip ment that does not conform to the requirements list...

Страница 68: ...F SYMPTOMS All non warranty repairs could be subject to a minimum evaluation charge Recommended steps to be used to duplicate problem symptoms Sage Metering Technical Contact Take special care when packaging your meter for return to the factory The sensor in particular may easily be damaged if not prevented from shifting around within the package and if the sensor itself is not cov ered to keep it...

Страница 69: ...G Section APPENDIX G ...

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Страница 71: ...he units 6 See table at right for flow rate units that are available factory or user selectable 7 Temperature can have a minus sign if negative but no decimals C or F units no space Temperature will blank if needed by Total 8 Max 7 digits when temp is displayed Max 12 digits for total if no decimal and if temperature blank 9 See table at right for totalized units that are available factory or user...

Страница 72: ... O p e r a t i o n s a n d I n s t r u c t i o n M a n u a l 72 REV 03 SIE SRE Junction Box and Upstream Orientation 5 0 4 40 5 0 2 72 2 72 FLOW DIRECTION FLOW DIRECTION FRONT VIEW LOOKING DOWNSTREAM LOOKING UPSTREAM FLOW DIRECTION ...

Страница 73: ... r u c t i o n M a n u a l 73 S A G E M E T E R I N G I N C REV 03 SIE SRE Installations Where Pipe Condensation May Develop TILT ENCLOSURE 45º forward or backward FOR APPLICATIONS WHERE CONDENSATION MAY DEVELOP ON INSIDE WALL OF PIPES ...

Страница 74: ...S A G E M E T E R I N G I N C O p e r a t i o n s a n d I n s t r u c t i o n M a n u a l 74 REV 03 SIE SRE Sage VIP Screen Shot1 1 See pages 45 48 for actual Menus and Items ...

Страница 75: ...th for industrial environments One of the RTDs See Diagram below is self heated by the circuitry and serves as the flow sensor The other RTD acts as a reference sensor and measures the gas temperature Essentially it is used for tem perature compensation The Sage proprietary sensor drive circuitry main tains a constant overheat between the flow sensor and the reference sensor As gas flows by the he...

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