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Servomex DF-310E, Operator'S Manual

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106                                                                               DF-310E

Theory of Operation

10.2 The Electrolyte Conditioning 

System

The Process Oxygen Analyzer is equipped with Servomex's patented 
electrolyte conditioning system and is composed of two specialized 
electrode pairs. 
The patented secondary electrode pair protects the sensing electrodes 
from the deleterious effects of trace impurities inevitably found in the 
electrolyte. The secondary electrodes attract and trap trace ionic 
impurities present in the electrolyte, providing a scavenging function 
that results in long-term zero and span stability.

Summary of Contents for DF-310E

Page 1: ...Oxygen Analyzer DF 310E OPERATOR MANUAL...

Page 2: ...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 Stablex Bi Stra...

Page 3: ...eive it The certificate of calibration assures your analyzer has been calibrated on gases that are traceable to NIST standards With proper maintenance your analyzer should remain calibrated for years...

Page 4: ...ied with 220 VAC or DC powered units 210408 Instruction Manual 210450 4 Open the analyzer door remove any shipping materials and verify that nothing has come loose during transit 5 Save the original c...

Page 5: ...low Alarm 20 5 4 Flow Control Valve 21 5 5 Filter 21 5 6 Pressure Regulator 21 5 7 Combined Filter Pressure Regulator 23 5 8 Stainless Steel Outlet Tubing 24 5 9 Key Lock 24 5 10 4 20mA Analog Output...

Page 6: ...Output 45 7 3 2 4 20mA Output 46 7 3 3 Alignment Procedure for Analog Voltage and Current Loop Outputs 47 7 4 Remote Controls 47 7 4 1 Remote Sensor Control J6 Connector 47 7 4 2 Remote Pump Control...

Page 7: ...hment Solution to the Sensor 95 9 3 Replaceable Parts List 96 9 4 Troubleshooting 97 9 4 1 Sample System Leak Test Low Flow Sensitivity 97 9 4 2 Basic Troubleshooting 98 9 4 3 Fuse Replacement 100 9 5...

Page 8: ...Figure 26 Remote Sensor Mounted in NEMA 7 Enclosure 52 Figure 27 NEMA 7 Enclosure Mounting Dimensions 53 Figure 28 Temperature Control in R7 Enclosure 54 Figure 29 Remote Sensor Connector J7 55 Figur...

Page 9: ...ure 60 Zero Cal Not Stable 89 Figure 61 Test Output Screen 89 Figure 62 Test Relay Screen 90 Figure 63 Memory Test Screen 90 Figure 64 EXT Functions 91 Figure 65 Fuse Locations for DC Power Supply and...

Page 10: ......

Page 11: ...xplanations Following is a list of the various symbols used throughout this manual and their definitions CAUTION This symbol alerts the user to the presence of physically hazardous conditions that may...

Page 12: ...RINSE SENSOR BEFORE SHIPPING EMI DISCLAIMER This Analyzer generates and uses small amounts of radio frequency energy There is no guarantee that interference to radio or television signals will not occ...

Page 13: ...er Range Auto Scale A Display Auto Scale B Display S00050 0 50 ppm 0 50 ppm XX XX S00100 0 100 ppm 0 100 ppm XXX X S00500 0 500 ppm 0 500 ppm XXX X S01000 0 1000 ppm 0 1000 ppm XXXX S05000 0 5000 ppm...

Page 14: ...larms comprised of 4 oxygen temperature low flow and electrolyte condition STATUS CONDITIONS Sensor Off Check Fluid Expanded Range optional In Calibration status conditions can be assigned to relays o...

Page 15: ...al SAMPLE INLET PRESSURE 0 2 psig to 1 0 psig 5 15 psig with VCR welded sample inlet orifice restricted SAMPLE FLOW RATE 1 0 to 2 0 scfh standard operating limits GAS COMPATIBILITY Standard Sensor All...

Page 16: ...85 TX 485 RX EXT 2 EXT 1 EXT 2 GND H SE SE H SNSR SNSR J7 UNUSED TEMP TEMP UNUSED UNUSED LOOP J8 A4 NO A2 NO EXT 1 FLOW B UNUSED FLOW A UNUSED PUMP PUMP A OUT A OUT GND A4 NC GND UNUSED LOOP 1 06 26 9...

Page 17: ...re described in this section If your analyzer is equipped with options refer to the appropriate section to determine changes to the setup NOTE The screens shown in this manual have values that may not...

Page 18: ...in sensor connector located near the front of the sensor 3 Unscrew both sensor mounting thumbscrews at the front of the sensor mounting bracket 4 Pull the sensor assembly forward a few inches and disc...

Page 19: ...e the bulkhead fittings Do not over tighten the fittings 4 2 1 Purging the Analyzer Supply the analyzer with an N2 sample that is as low in O2 as possible If the analyzer outlet is at atmospheric pres...

Page 20: ...e the power switch is in the OFF position Using 20 gauge wire attach the power supply leads to the power connector J3 on the rear of the instrument Pin 1 top is positive 24V and Pin 3 is negative 24V...

Page 21: ...ion is within the range of the analyzer It should take less than 5 minutes for the analyzer to come on scale The concentration of oxygen is shown in percent or parts per million ppm and will slowly ap...

Page 22: ...4 20mA output 232 GND 485 TX UNUSED 485 RX 232 RX 232 TX 485 TX 485 RX EXT 2 EXT 1 EXT 2 GND H SE SE H SNSR SNSR J7 UNUSED TEMP TEMP UNUSED UNUSED LOOP J8 A4 NO A2 NO EXT 1 FLOW B UNUSED FLOW A UNUSED...

Page 23: ...65 for additional information In addition the following options are available If factory configured Servomex will supply the standard pump that the user may install remotely and power through the PUM...

Page 24: ...nserves battery power Analyzer State Length of Time the Battery will Provide Power Options and Outputs off Backlight in Auto Mode 8 hours Options and Outputs off Backlight On 4 hours Pump On Backlight...

Page 25: ...M nuts Two grades of filter elements are available for the filter Fine grade BQ 1 micron Course grade DQ 1 micron The course grade is normally supplied See page 96 for ordering information Note The fi...

Page 26: ...22 DF 310E Options Figure 7 Plumbing Configuration Options...

Page 27: ...ordered with the Analyzer However the gas filter and regulator may be ordered later and installed by the user They are supplied as a unit with one mounting bracket and mounting screws The option also...

Page 28: ...the analyzer cannot be equipped with the quick disconnect fitting at the flowmeter outlet Because of the rigid outlet tube the Sensor Assembly can only be removed after both inlet and outlet bulkhead...

Page 29: ...rom all other analog outputs and from earth ground The maximum loop resistance is 1K The 29 33 VDC compliance voltage is provided Connections are made at pins J5 1 LOOP and J5 2 LOOP at the back of th...

Page 30: ...ime of order RS232C or RS485 This option allows interfacing between the analyzer and other operating systems A C language software library package is available for customized development of communicat...

Page 31: ...06 93 2 05 52 07 6 50 165 13 2 04 51 82 4 63 117 60 8 71 221 23 30 7 62 9 36 237 87 9 97 253 11 22 5 59 4 PL 1 17 29 77 P P M Figure 11 Panel Mount Configuration 8 95 227 33 9 37 237 87 21 5 27 1 91 4...

Page 32: ...9 26 235 08 7 89 200 48 6 50 165 13 1 17 29 77 70 17 73 8 33 211 48 19 00 482 60 P P M P P M 10 46 265 68 1 48 37 59 2 25 57 15 5 25 133 35 7 50 190 50 93 23 52 8 33 211 48 Figure 14 Dual Rack Mount...

Page 33: ...TING STUDS 4 PLS 3 30 83 8 4 15 105 4 6 80 172 7 1 21 30 7 5 45 138 4 PHANTOM LINE REPRESENTS THE PANEL CUT OUT TO ALLOW CLEARANCE FOR DISPLAY ELECTRONICS 74 18 7 69 17 4 3 650 92 7 40 10 1 1 63 41 3...

Page 34: ...osive limit With a 10 scfh flow the nitrogen purge system provides a minimum of thirty volume changes per hour of the atmosphere inside the analyzer s enclosure A low flow switch controls the failsafe...

Page 35: ...2 07 4 21 106 93 SAMPLE INLET 1 8 COMMPRESSION OR 1 4 VCR COMPATIBLE MALE 9 70 246 33 1 63 41 35 5 12 130 05 SEALED AC POWER CONTROL RELAY 60 15 33 7 92 201 09 CABINET PURGE FLOW SWITCH 232 GND 485 TX...

Page 36: ......

Page 37: ...Table 2 Maximum Allowable Acid Gas Limits Contact the local Servomex Business Center for recommendations on using the STAB EL sensor on acid gases other than those listed above The STAB EL limits sho...

Page 38: ...onfigurations The columns are fabricated from clear PVC and are designed to accept a variety of different acid gas absorbent media which have a color change indication to facilitate convenient change...

Page 39: ...andard that has been prepared in a background gas that models the average process sample Care must still be used however as certified standards may also have an inaccuracy associated with them Questio...

Page 40: ...low levels 0 5 and 2 0 scfh Only a slight increase if any in readout will occur in a tight system as the flow is increased If leakage in the plumbing system exists then the increased flow results in a...

Page 41: ...dure listed below to purge ambient air from the regulator After securely attaching the regulator to the cylinder 1 Open the regulator flow control valve slightly 2 Open the cylinder valve 3 Set the re...

Page 42: ...alled on the vent line to maintain an even backpressure on the analyzer Consider the regulator s pressure drop typically 1 psi when designing the sample vent system in order to stay within the 1 psig...

Page 43: ...ny process sample streams contain various concentrations of acid gases Acid gases are gases that react with the basic KOH electrolyte solution to form a neutralized solution The sensor does not operat...

Page 44: ...uld be protected from extended exposure to high concentrations of oxygen or hostile gases Automatically solenoid controlled valves should be installed to switch the analyzer over to an N2 purge when t...

Page 45: ...econdary output gauge to approach zero Otherwise wait for the hissing to nearly stop 6 Immediately open the cylinder valve to restore full delivery pressure 7 Repeat steps 5 and 6 five to ten times to...

Page 46: ...er may need to be adjusted Light gases such as H2 and He have a higher flow rate than is indicated on the flowmeter As a result the flow rate of the light gas should be set to one third of the flow sp...

Page 47: ...ons written in C is available to allow programmers to create custom interface program for accessing the communication port The Interface C Library Reference Manual comes with a disk containing Microso...

Page 48: ...res are provided on the rear of the analyzer at connector J1 and J2 These can be used in conjunction with up to seven alarms The contacts are rated at 0 3A 30 VDC under a resistive load They are not d...

Page 49: ...r 0 to 10 VDC selectable For details regarding how to switch the full scale output see section 7 3 1 1 below FLOW B UNUSED FLOW A UNUSED PUMP PUMP A OUT A OUT GND UNUSED UNUSED UNUSED UNUSED 24V RTN U...

Page 50: ...le Output Voltage Jumper Number 5 0 VDC None 10 0 VDC 14 Table 7 Analog Output Voltage Jumpers 7 3 2 4 20mA Output The optional fully isolated 4 20mA output is completely isolated from all other analo...

Page 51: ...output 1 to 0 000 V 1mV adjust the current loop output 2 to 4 00mA 01mA 3 Set the output to 100 4 Adjust the analog voltage output 3 to 10 000 V 1 mV and adjust the current loop output 4 to 20 00mA 0...

Page 52: ...Connector The pump enables the analyzer to operate on gas sample streams between 2 0 psig vacuum and 2 0 psig positive pressure If the analyzer is equipped with a pump it will also have a downstream F...

Page 53: ...e manner as a standard pump OR If equipped the pump may also be turned on and off remotely through the pins labeled EXT 1 or EXT 2 on the J6 connector If equipped the Diagnostics Screen will indicate...

Page 54: ...seal can easily be damaged if it is allowed to spin as the connection is tightened A 0 010 inch orifice is included with 0 50ppm sensors and must be installed at the sensor inlet in order to control g...

Page 55: ...RU 4 PL PUMP FLOW SWITCH ROTOMETER FLOW CONTROL VALVE 11 25 285 62 OXYGEN SENSOR 10 00 254 00 SAMPLE INLET SAMPLE OUTLET SIGNAL OUTPUT AC POWER 7 42 188 58 2 96 75 30 4 71 119 75 1 93 49 02 2 75 69 85...

Page 56: ...52 DF 310E Connecting to External Devices 7 5 3 Sensor in NEMA 7 Enclosure Figure 26 Remote Sensor Mounted in NEMA 7 Enclosure...

Page 57: ...is installed in an effort to minimize diurnal changes in outdoor installations or when the sensor must be kept at an elevated temperature in order to minimize condensation NOTE The customer must supp...

Page 58: ...e Control in R7 Enclosure 7 5 5 Remote Sensor Connections Connector J7 There are three pair of connections that must be made between the oxygen sensor and connector J7 on the electronics chassis They...

Page 59: ...External Devices DF 310E 55 232 GND 485 TX UNUSED 485 RX 232 RX 232 TX 485 TX 485 RX GND H SE SE H SNSR SNSR J7 UNUSED TEMP TEMP J8 Figure 29 Remote Sensor Connector J7 Figure 30 Remote Sensor Pump W...

Page 60: ...installation and wiring instructions see the manufacturers information included with the switch NOTE All electrical connections to the switch must be made according to applicable local and safety stan...

Page 61: ...ock wise 5 Fully open the Z Purge flowmeter needle valve fully clock wise 6 Open the instrument air N2 supply to the Z Purge regulator pre regulated to the minimum pressure required to supply 50 scfh...

Page 62: ......

Page 63: ...splay The keys are used as follows ESC Returns the display to the previous screen or may be used to move to the left when within a data field selection Scrolls up in a menu or data selection Scrolls d...

Page 64: ...sensor is off the analog output falls to zero volts and the 4 20 mA output falls to 4 mA An optional relay may be configured to indicate that the sensor is off A SENSOR OFF condition will result in an...

Page 65: ...GE Indicates that the oxygen level is below the calibrated zero UNCALIBRATED Warns that the Analyzer is not calibrated or that NOVRAM data has been corrupted If there is an acknowledged alarm indicate...

Page 66: ...62 DF 310E User Interface 3 43 ppm...

Page 67: ...eters the recorder output level and functions configure communication port to enter the gas scale factor to perform or check the span calibration or to install a replacement sensor See page 67 Passwor...

Page 68: ...eft and eventually cancel any adjustment The rightmost digit will be the active digit for editing Use or to adjust the desired value After the desired numerical value has been entered press the key un...

Page 69: ...with pumps are fitted with a valve on the rotameter downstream of the sensor and a valve on the sensor inlet upstream of the sensor When using a pump to draw a gas sample at less than 0 2 psig the dow...

Page 70: ...ditional information on remote control of the sensor polarization voltage Figure 35 Sensor Shut off Warning 8 3 3 SensOFF Relay When the sensor is manually turned off from the front panel or automatic...

Page 71: ...SensOFF Relay or PwrUP has been changed and the changes are to be stored or the PwrUP selection is set to LAST the menu should be exited by selecting Update and Quit If the changes are to be discarded...

Page 72: ...is displayed next to any entry that alarm option is Not Available 8 4 1 1 O2 Alarms If an O2 alarm has been selected from the Alarm Setup Screen Figure 37 the display will show Figure 38 Figure 38 Ox...

Page 73: ...oncentration increased to 35 ppm Set point plus Deadband At 35 ppm the alarm would reset Relay indicates the relay to which the alarm is assigned The options are NU not used 1 2 3 or 4 Each relay can...

Page 74: ...relay The electrolyte condition alarm is programmed in the same way as an O2 alarm However the values for Hi Stpt Lo Stpt and Deadbnd will indicate NA These values cannot be accessed 8 4 2 Analog Outp...

Page 75: ...This limit is based on the fact that oxygen information is in a digital format Like a digital photograph it is only possible to magnify the information so much before there isn t enough resolution and...

Page 76: ...the oxygen reading will usually be below 10 of the analyzer full scale reading and small changes in concentration 0 1 of full scale must be detectable The selected Zero and FS values will be displayed...

Page 77: ...Since it is possible to assign more than one alarm or status condition to any alarm relay it is important to ensure that there are no other items assigned to this chosen relay unless it is really desi...

Page 78: ...s 1 to 255 Even when equipped for RS 232 one host communicating with one analyzer it is necessary to set a valid ID address for the analyzer The communication protocol uses the ID address as part of t...

Page 79: ...the update and quit option with the and keys and then hit enter 8 4 5 3 Contrast Access to the control of the contrast function is gained through the Display Setup menu Hitting the Enter key while th...

Page 80: ...s on two levels a Master Password to establish overall control of the system and an Operator Password to allow partial access to the system If the selected level requires a password the display will p...

Page 81: ...ot display it again If the master password is misplaced contact the local Servomex Business Center The master password and operator password can be changed as desired after the present master password...

Page 82: ...er Flag and press Then move the asterisk down to Update and Quit and press again to confirm the reset action Or pressing ESC at this point will result in the question Abandon Changes for yes and the u...

Page 83: ...s in the rate of oxygen diffusion when background gases other than nitrogen are present in the sample gas The GSF menu can be entered through the Set Up Menu Figure 36 or through the Oxygen Cal Menu F...

Page 84: ...continue to press until the number is no longer in reverse video Repeat the process for other gases in the sample gas composition Note An error message will appear if the sum of gases does not equal...

Page 85: ...o calibrate the system is already known it can be entered directly To enter the GSF directly move the asterisk to the GSF line and press Use the and keys and hit to enter the desired value NOTE The GS...

Page 86: ...ation for all combinations of background gases using theoretical means has its limitations An alternate method when using a non nitrogen or multi component background gas is to obtain a certified oxyg...

Page 87: ...process The following information should be recorded at each calibration Date Span Gas Value Old Span Ref Value New Span Ref Value Time spent sampling Span Gas Note If the sensor has lost or gained si...

Page 88: ...just the valve at the rotameter leave it in the fully open position during calibration For an accurate calibration the sensor output must be stable The time to achieve stability depends on the range o...

Page 89: ...e SETUP MENU the display will appear as shown in Figure 55 The number in parenthesis next to the GSF will indicate the number of gases used 4 GaSes in the representative screen to calculate GSF or it...

Page 90: ...red if required Figure 56 is displayed Figure 56 Diagnostics Menu 8 6 3 1 Sensor Temperature The display will indicate the present sensor temperature There is no user action with this selection This v...

Page 91: ...24 hours or longer even assuming that the Analyzer has been running continuously for several weeks on a process application where readings are near the detection limits of the Analyzer It is recommend...

Page 92: ...s reached a constant minimum value should a zero calibration be attempted When any key is pressed the display will show Figure 59 without the OFFSET line This screen will be overwritten with a WAIT me...

Page 93: ...are INVALID DATA Indicates that the instrument s analog to digital converter is reading a value which is over or under its full scale range Check sensor s electrical connections and the delivery of ox...

Page 94: ...the relays before the test will be restored when the test is concluded 8 6 3 5 Memory Test The Memory Test selection is used to test the internal memory of the Analyzer When the Memory test option is...

Page 95: ...EXT Functions Figure 64 EXT Functions The EXT Function screen indicates to the user which if any functions have been factory programmed for remote control through the J6 connector Chosen at the time o...

Page 96: ......

Page 97: ...e below the limit of 0 03 mg L weight of particulate matter volume of sample at atmospheric pressure Some examples of clean gas applications include monitoring of high purity gas pipelines compressed...

Page 98: ...d time gradually extracts water from the sensor The electrolyte needs to be refilled occasionally with Hummingbird Replenishment Solution for optimum performance and long term reliability CAUTION If t...

Page 99: ...eeze bottle 4 Fill to the max level indicator line on the reservoir label Be careful not to spill solution on the electronics or on the outside of the sensor Do not overfill 5 Replace the cover secure...

Page 100: ...282 Flow Meter 0 2 scfh 210614 Flow Meter w Valve 0 5 scfh 210573 Flow Meter w Valve 0 2 scfh 210852 Flow Switch all except 25 analyzer 210517 Flow Switch 25 analyzer only 210518 Fuse 24 VDC Operation...

Page 101: ...m If it is not possible to provide positive sample pressure to the Analyzer skip to Step 2 Perform the Flow Sensitivity Test as follows a Establish a flow rate that is within the normal operating tole...

Page 102: ...the Analyzer the more time should be given for the Analyzer to respond 9 4 2 Basic Troubleshooting Solutions are listed in the order that they should be attempted POSSIBLE PROBLEMS SOLUTIONS 1 Analyze...

Page 103: ...one full bottle of electrolyte 100 cc For best results the sensor should sit for 60 minutes before flowing gas through it Then allow the Analyzer to operate for several hours on Nitrogen or other ine...

Page 104: ...the wires to the sensor have not come loose Trace the wires from the sensor back to the sensor connector Make sure that the terminal pins are seated correctly in the connector plugs and are making go...

Page 105: ...oving the two mounting screws on the rear of the cabinet Remove the metal cover plate and the power supply board can then be gently separated from the main CPU to access the fuse Refer to the spare pa...

Page 106: ...ration FUSE 3 15A BATTERY BACKUP PCB FUSE 1 00A 24VDC POWER SUPPLY PCB Figure 65 Fuse Locations for DC Power Supply and Battery Backup 4 20mA PCB BATTERY BACKUP PCB 24VDC POWER SUPPLY PCB MAIN PCB Fig...

Page 107: ...the sensor as described on page 14 a Drain the electrolyte into a receptacle suitable for proper disposal b Rinse the sensor with distilled water at least three times Drain the water into the recepta...

Page 108: ......

Page 109: ...ygen concentration in the sample gas KOH 4OH Sample Gas Cathode Secondary Electrodes Anode O2 1 3V Applied Figure 67 Schematic of Servomex Oxygen Sensor The cathode reaction uses 4 electrons from the...

Page 110: ...s composed of two specialized electrode pairs The patented secondary electrode pair protects the sensing electrodes from the deleterious effects of trace impurities inevitably found in the electrolyte...

Page 111: ...onnect the AC power source when installing or removing external connections the sensor the electronics or when charging or draining electrolyte DANGER The electrolyte is a caustic solution Review the...

Page 112: ...io or television signals will not occur in a particular installation If interference is experienced turn off the analyzer If the interference disappears try one or more of the following methods to cor...

Page 113: ...re eye burns May cause irreversible eye injury Contact may cause ulceration of the conjunctiva and cornea Eye damage may be delayed Skin Contact Causes skin burns May cause deep penetrating ulcers of...

Page 114: ...RELEASE MEASURES Personal Protection Use proper personal protective equipment as indicated in Section 8 Leaks and Spills Absorb spill with inert material e g dry sand or earth then place into a chemic...

Page 115: ...diene maleic dicarbide Corrosive to metals such as aluminum tin and zinc to cause formation of flammable hydrogen gas Hazardous Decomposition Products Oxides of potassium Hazardous Polymerization Has...

Page 116: ...TSCA Inventory Health Safety Reporting List None of the chemicals on Health Safety Reporting List Chemical Test Rules None of the chemicals are under Chemical Test Rule Section 12b None of the chemica...

Page 117: ...nwell seek medical advice immediately show label where possible WGK Water Danger Protection CAS 7732 18 5 No information available CAS 1310 58 3 1 Canada DSL NDSL CAS 7732 18 5 Listed on Canada s DSL...

Page 118: ......

Page 119: ...Water contains trace salts 215 181 3 C 100 3 HAZARDS IDENTIFICATION Main Hazard None CERCLA Ratings scale 0 3 Health 0 Fire 0 Reactivity 1 Persistence 0 NFPA Ratings scale 0 4 Health 0 Fire 0 Reactiv...

Page 120: ...NTROLS PERSONAL PROTECTION Personal Protection Eyes None required Skin None required Clothing Not applicable Respirators Not Applicable Airborne Exposure Exposure Limits Not applicable Not applicable...

Page 121: ...h federal state and local requirements 14 Transportation Information Not regulated 15 Regulatory Information 16 Other Information NFPA Ratings Health 0 Flammability 0 Reactivity 0 MSDS Creation Date 0...

Page 122: ......

Page 123: ...e Seller be liable for consequential damages NO PRODUCT IS WARRANTED AS BEING FIT FOR A PARTICULAR PURPOSE AND THERE IS NO WARRANTY OF MERCHANTABILITY Additionally this warranty applies only if i the...

Page 124: ......

Page 125: ...75 Backplane 100 Battery Backup Fuse 101 Battery Power 19 Battery Power NiMH 19 Baud 74 Bits 73 C CAL FREEZE 73 Calibrating 82 83 84 87 93 Calibration 79 93 Case Purge 30 Cautions 7 Important Warning...

Page 126: ...ESSURE 11 Installation and Setup 13 Adding Electrolyte 14 Electrical Connections 16 Low Flow Alarm 20 Powering Up 16 Pressure Regulator Installation 21 Pressure Regulator Purge 37 Sample Gas Connectio...

Page 127: ...6 Sensor Performance 36 Pressure Effects Sensor Performance 37 Regulator Requirements 36 Sample Flow Rate and Pressure 35 Sample Gas Compatibility 38 Reactivity with KOH Electrolyte 39 Solubility in A...

Page 128: ...106 Sensor 105 TO 61 Troubleshooting 93 98 U UNCALIBRATED 61 98 UNDER RANGE 61 Update And Quit 74 Upstream Valve 65 UR 61 User Interface 59 Data Display Screen 59 Main Menu 63 W Wait 61 Warranty 119...

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Page 130: ...2552 EUROPE Europe and Africa Tel 31 0 79 330 1580 Fax 31 0 79 342 0819 Toll Free 00800 7378 6639 LATIN AMERICA MEXICO Tel 55 11 5188 8166 Fax 55 11 5188 8169 ASIA PACIFIC Tel 86 0 21 6489 7570 Fax 86...

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