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QTS-6000 Series

Analog Transmitter/Sensor

B71050-021-000-RB.doc

ELECTROCHEMICAL TRANSMITTER

JUL. 18, 2007

PRODUCT MANUAL

6

For  hazardous  areas,  the  QTS-6100 SERIES is available  in  an  explosion proof  housing  CSA, FM,  and  UL
rated to Class 1 Division 1 Groups A, B, C and D.    The sensor assembly  attached to this enclosure  is also
rated  for  Group  A  (Acetylene).    The  electronics  have  been  designed  to  meet  intrinsic  safety  requirements
(certification pending).

Figure 3 - Intrinsically Safe Installation

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Содержание QTS-6100 Series

Страница 1: ...S ANALOG TRANSMITTER SENSOR INSTALLATION OPERATION AND MAINTENANCE MANUAL QUATROSENSE ENVIRONMENTAL LTD 5935 OTTAWA STREET PO BOX 749 RICHMOND ONTARIO CANADA K0A 2Z0 PHONE 613 838 4005 FAX 613 838 4018 www QEL dedesco com ...

Страница 2: ...115x 115 HCN 0 20 ppm 10 ppm 15 ppm 20 C to 50 C Mid QTS 61120x 120 Cl2 0 3 ppm 0 5 ppm 2 ppm 20 C to 50 C Low QTS 61123x 123 ClO2 0 1 ppm 0 1 ppm 0 3 ppm 20 C to 50 C Low QTS 61125x 125 HCL 0 10 ppm 5 ppm 7 ppm 20 C to 50 C Mid QTS 61140x 140 SO2 0 6 ppm 2 ppm 5 ppm 20 C to 50 C Low QTS 61150x 150 NO2 0 6 ppm 1 ppm 3 ppm 20 C to 50 C Low QTS 61160x 160 CO 0 250 ppm 10 ppm 100 ppm 20 C to 50 C Mid...

Страница 3: ...ite visits required for warranty work LIMITED LIABILITY All QEL systems shall be installed by a qualified technician electrician and maintained in strict accordance with data provided for individual systems in the form of installation maintenance manuals QEL assumes no responsibility for improper installation maintenance etc and stresses the importance of reading all manuals QEL shall not be respo...

Страница 4: ...HAZARDOUS LOCATIONS 5 5 INSTALLATION 7 5 1 MOUNTING 7 5 2 WIRING 8 6 CONFIGURATION 9 7 START UP AND COMMISSIONING 11 8 ROUTINE MAINTENANCE 11 8 1 CALIBRATION 11 8 1 1 EQUIPMENT REQUIRED 11 8 1 2 PROCEDURE 12 8 2 SENSOR ELEMENT REPLACEMENT 13 8 2 1 INDUSTRIAL EXPLOSION PROOF ENCLOSURES 14 8 2 2 ABS PLASTIC COMMERCIAL AND NEMA 4X ENCLOSURES 14 9 FIELD TROUBLE SHOOTING 15 9 1 SENSOR LIFE 15 9 2 TRANS...

Страница 5: ...URDEN RESISTANCE 8 FIGURE 5 JUMPER STYLE 9 FIGURE 6 CONFIGURATION JUMPERS RIGHT SIDE LOCATIONS 10 FIGURE 7 CONFIGURATION JUMPERS LEFT SIDE LOCATIONS 10 FIGURE 8 CALIBRATION ADJUSTMENTS 12 FIGURE 9 SENSOR ELEMENT INSTALLATION 14 FIGURE 10 SENSOR ELEMENT INSTALLATION 14 FIGURE 11 CIRCUIT CARD ASSEMBLY 16 LIST OF TABLES TABLE 1 SENSOR TRANSMITTER MOUNTING LOCATION TABLE 2 SENSOR TYPE CONFIGURATION UP...

Страница 6: ...ing of the manual covering description specifications and theory of operation will provide general background and reference information Please refer to the sections at the end of the manual on maintenance calibration and troubleshooting before performing these tasks Throughout this manual your attention will be drawn to certain information in the following manner NOTE This will highlight tasks or ...

Страница 7: ...g FET and the polarity of the sensor output See Section 6 Configuration for details on configuring the transmitter The transmitter electronics are powered with two wire 24 VDC and transmit the 4 to 20 mA DC output over the same two wires They have been designed to provide protection from interference caused by Radio Frequency RFI and Electro Magnetic EMI sources The designs have been tested for pr...

Страница 8: ...losure Rating E NEMA Type 4X Weatherproof operating and storage Type 7 and 9 Explosion Proof IP66 68 Pressure Atmospheric 10 Class 1 Div 1 Groups A B C D Accuracy 2 5 of Reading CSA FM UL listed Aluminum Repeatability 1 0 Sensor Housing also Group A rated Approvals CSA S Same as E above except with FM 316 Stainless Steel Sensor Housing EE x d II C C D NEMA Type 1 General Purpose IP68 N NEMA Type 4...

Страница 9: ...ther than the partial pressure These sensors will not respond to normal variations in atmospheric pressure In some cases biasing is required to maintain a voltage differential between the Reference and Sensing electrodes in order to facilitate the necessary reaction in the cell The transmitter electronics will provide the necessary bias voltage when configured for one of these sensor types Most se...

Страница 10: ... or Division 2 danger is present under failure conditions An additional Group letter code specifies the gases or dusts presenting the hazard Electrical equipment installed in these areas must be protected from generating a spark of sufficient ignition temperature that an explosion may occur There are two approaches to these installations The first approach is to install the electrical equipment in...

Страница 11: ...the QTS 6100 SERIES is available in an explosion proof housing CSA FM and UL rated to Class 1 Division 1 Groups A B C and D The sensor assembly attached to this enclosure is also rated for Group A Acetylene The electronics have been designed to meet intrinsic safety requirements certification pending Figure 3 Intrinsically Safe Installation ...

Страница 12: ...orine Cl2 Low 9 to 18 230 to 460 mm above floor QTS 61123 Chlorine Dioxide ClO2 Low 9 to 18 230 to 460 mm above floor QTS 61125 Hydrogen Chloride HCl Mid 48 to 72 1200 to 1800 mm above floor QTS 61140 Sulphur Dioxide SO2 Low 9 to 18 230 to 460 mm above floor QTS 61150 Nitrogen Dioxide NO2 Low 9 to 18 230 to 460 mm above floor QTS 61160 Carbon Monoxide CO Mid 48 to 72 1200 to 1800 mm above floor QT...

Страница 13: ...to do this could result in water inside the enclosure which will cause a terminal failure of the electronics 5 2 Wiring The QTS 6100 Series Sensor Transmitter is a low power consumption transmitter requiring only two wires for power and signal Terminal block connections are provided for wiring that will accept wire from 14 to 24 AWG See the appropriate installation drawing for wiring terminal conn...

Страница 14: ...on of the transmitter for different sensor elements is performed with a number of solderless shorting links present on each CCA These shorting links configure the transmitter for biasing polarity battery shorting FET and proper gain resistance To change the configuration remove the small plastic shorting link that is plugged over the shorting pins and replace as required in tables 2 and 3 below FE...

Страница 15: ... 0011 NH3 220 6300 0007 C2H40 230 6300 0020 O3 240 6300 0023 Table 3 Sensor Type Configuration Lower Circuit Card Assembly Jumper Installed No Jumper NOTE A transmitter that has been reconfigured must always be calibrated with the installed sensor See Section 8 for details on calibration and replacement of sensor elements Figure 6 Configuration Jumpers Right Side Locations Top Plate Upper CCA Lowe...

Страница 16: ... provide a stable output Calibration of any transmitter should not be performed until the sensor is fully warmed up and stable 8 ROUTINE MAINTENANCE 8 1 Calibration Recommended calibration of the QTS 6100 Series Sensor Transmitter is every 90 days or as necessary The user should take into account actual installation environment and the possibilities for failure due to water or corrosive atmosphere...

Страница 17: ... Adjustments to the zero potentiometer will effect the span adjustment Adjustments to the span potentiometer will have a negligible effect on the zero adjustment unless they are major Ideal calibration will be obtained by repeating the following zero and span adjustments twice Test Jacks Figure 8 Calibration Adjustments 8 1 2 2 Zero Adjustment A Connect the flow regulator to the zero calibration g...

Страница 18: ...lug in cell with four pins on the bottom The cell is shipped from the factory in a sealed plastic cylindrical container The sealed container prevents contamination of the cell by gases dirt and other foreign matter prior to installation NOTE Wherever possible do not remove the sensor from the sealed container until you are ready to install it This will maximize the life of the cell and minimize th...

Страница 19: ...he front cover B Securing the transmitter assembly from falling remove the three transmitter mounting screws from the front cover Transmitter sensor element and grounding ring will all come free C Remove old sensor element from transmitter pin sockets D Install new sensor element into transmitter pin sockets Take care to align the pins to the socket E Remove O ring from new sensor element F Re ins...

Страница 20: ...handling or disassembly of the transmitter circuit card assemblies CCA Handling of a CCA without proper precautions can expose the electronic components to the possible damage from static electricity discharge Try to ensure you are grounded when handling a CCA If continuous grounding is not practical touch some metal item which is known to be grounded Avoid walking around after this as you can reg...

Страница 21: ...nt to flow is through the signal line Therefore the most likely occurrence will be that the Burden Resistance monitor input resistance plus wiring resistance plus intrinsic safety barrier if present will limit the current well below the fuse limit Approximate readings are given below 24 VDC 250 ohms 100 mA 100 ohms 240 mA Corrective Action 1 Measure DC Voltage at the terminals Ensure sufficient su...

Страница 22: ...stance plus intrinsic safety barrier if present is greater than that specified for the particular supply voltage see Figure 4 on page 6 then this will limit the maximum signal output capability to less than full range If the burden resistance is sufficiently large then the device may not turn on correctly Corrective Action 1 Measure DC Voltage at the terminals Ensure supply voltage between 12 and ...

Страница 23: ...ering output spikes drift possibly false alarms The QTS 6100 Series Universal Sensor Transmitter has been designed to provide protection against Radio Frequency Interference RFI and Electro Magnetic Interference EMI The unit has been tested against radiated signals of 4 watts at high frequencies and a distance of 1 meter This protection can be overwhelmed by interference of higher strengths and or...

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