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Summary of Contents for MSR ELECTRONIC PolyGard 2 SC2
- Page 1 Toxic (E-), Combustible (P-) and Infrared (I-CO ) Gases PolyGard 2 SC2 & AT6 Sensors ® User Manual May 2022 September 07, 2022 – Revision INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com...
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Page 3: Table Of Contents
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 3 of 28 Table of Contents General ........................... 5 1.1 Intended Use ............................5 1.2 Safety ................................ 5 1.3 Installers‘ and Operators‘ Responsibilities ..................5 1.4 Services .............................. - Page 4 SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 4 of 28 Inspection and Service......................17 7.1 Inspection ............................. 17 7.2 Service and Calibration ........................17 Troubleshooting ........................18 8.1 Indications for the SC2 ........................18 8.2 Indications for the AT6 ........................
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Page 5: General
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 5 of 28 General It is important to read this user manual thoroughly and clearly in order to understand the information and instructions. The PolyGard ®... -
Page 6: Services
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 6 of 28 1.4 Services ® It is recommended to check the PolyGard 2 devices regularly. Due to regular maintenance any per- formance deviations may easily be corrected. Re-calibration and part replacement in the field may be implemented by a qualified technician and with the appropriate tools. -
Page 7: Sensor Element
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 7 of 28 2.4 Sensor Element A: Catalytic Sensor Element (Pellistor) for Combustible Gases The integrated sensor works according to the catalytic bead principle. The ambient air to be moni- tored diffuses through the opening into the sensor. -
Page 8: C: Semiconductor Sensor Element For Freon Gases, Ethylene And Ammonia
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 8 of 28 C: Semiconductor Sensor Element for Freon Gases, Ethylene and Ammonia Semiconductor gas sensors (metal oxide sensors) are electrical conductivity sensors. The resistance of its sensitive layer changes upon contact with the gas to be detected. -
Page 9: Installation
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 9 of 28 3 Installation Check the order for completeness and correctness using the delivery papers and unit la- bels. Electronics can be destroyed by electrostatic discharge (ESD). Therefore, the installation work should be done only by persons connected to ground, e. -
Page 10: Mounting Of Sensors
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 10 of 28 Rel. Gas Density (air= 1) Toxic Gases Chemical Formula Ammonia 0.60 Chlorine 2.48 Hydrogen chloride 1.27 Hydrogen cyanide 0.93 Ethylene 0.97 Ethylene oxide ETO 1.56... -
Page 11: Electrical Connection
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 11 of 28 4 Electrical Connection 4.1 Plug Connection (SC2) in DT6, DC6, SGC6, SCM6 SC2 sensors are equipped with a reverse polarity protected connector (3-pin). It must not be plugged in the wrong position by force. -
Page 12: Commissioning
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 12 of 28 5 Commissioning 5.1 General Only trained technicians should perform the following when commissioning: • Check for correct mounting location. • Check for correct connection. •... -
Page 13: Run-In Time
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 13 of 28 6.1 Run-in Time Prior to calibration, the sensors must be supplied with power voltage without interruption for run-in and stabilisation. The run-in time depends on the sensor element and is shown in the following tables. -
Page 14: Calibration Work
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 14 of 28 6.2 Calibration Work Prior to calibration you have to activate the mode “Special Mode” at the basic device, only then the calibration menu is enabled. -
Page 15: Calibration (Gain) With Surrogate Gas For Catalytic Sensor Element (Pellistor)
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 15 of 28 6.2.3 Calibration (Gain) with Surrogate Gas for Catalytic Sensor Element (Pellistor) For certain gases it is possible to perform a cross calibration with methane (see Table 1: Combustible Gases). -
Page 16: Exchange Of Sensors
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 16 of 28 6.4 Exchange of Sensors Instead of the on-site calibration, the used sensor can be replaced simply and conveniently by a cal- ibrated one. -
Page 17: Inspection And Service
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 17 of 28 7 Inspection and Service Inspection. service and calibration of the sensor should be done by trained technicians at regular intervals. We therefore recommend concluding a service contract with INTEC Controls or one of their authorized partners. -
Page 18: Troubleshooting
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 18 of 28 8 Troubleshooting 8.1 Indications for the SC2 There are no diagnostic indicators on the SC2 sensor modules; they are only available on the DT6, DC6, SGC6, or SCM6. -
Page 19: Digital Sensor Sc2
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 19 of 28 9.2 Digital Sensor SC2 ELECTRICAL Power supply 5 V DC from sensor board (e.g. DT6), reverse polarity protected Power consumption •... -
Page 20: Sensor Element
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 20 of 28 9.4 Sensor Element A: Catalytic Sensor Element (Pellistor) for Combustible Gases SENSOR ELEMENT Gas type and measuring range Combustible gases, see Ordering Information on Datasheet Sensor element Pellistor (catalytic bead) sensor Temperature range... - Page 21 SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 21 of 28 SPECIFICATIONS – SENSOR ELEMENT (SC2/AT6) SC2-/ ± % <± % ≤ ± < % signal/ °C % RH > Air = 1 Month months AT6- sig.
- Page 22 SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 22 of 28 CROSS SENSITIVITY - SENSOR ELEMENT (SC2/AT6) Illustration: Gas concentration of interference gas / reaction of sensor SC2-/ AT6- E1110-X 2/0.5 2000/5 5000/0 50/0.5...
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Page 23: C: Semiconductor Sensor Element For Freon Gases, Ethylene And Ammonia
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 23 of 28 C: Semiconductor Sensor Element for Freon Gases, Ethylene and Ammonia SENSOR ELEMENT Gas type Refrigerants, See Ordering Information on Datasheet Sensor element Semiconductor sensor Pressure range... -
Page 24: D: Infrared Sensor Element For Methane, Propane And Carbon Dioxide
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 24 of 28 D: Infrared Sensor Element for Methane, Propane and Carbon Dioxide Sensor Element SC2/AT6 Methane/Propane/Carbon Dioxide – Premium SENSOR ELEMENT Gas type See Ordering Information on Datasheet Sensor element Infrared sensor... -
Page 25: Figures
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 25 of 28 10 Figures 3.70 in (94 mm) 3.11 in (79 mm) 0.16 in (4 mm) Mounting Mounting SB_03 Mounting Mounting Figure 3: Figure 4: DT6 with SC2 sensor DT6 with SC2 snesor... -
Page 26: List Of Abbreviations
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 26 of 28 List of abbreviations Units hour Kilopascal Inch Metre Milliampere Minute Millilitre Square millimetre Millivolt Nanoampere Parts per million s, sec. Second Voltampere V AC... -
Page 27: Glossary
SC2-AT6 – UserManual Specifications subject to change without notice. | GA_MC2_SC2_E, 2022-05-31 | USA 220907 | Page 27 of 28 Glossary Gas application time Time period during which test gas must be supplied to the sensor. Run-in time Time the sensor needs to be continuously supplied with the operating voltage for stabilisation be- fore calibration. - Page 28 Phone (858) 578-7887 (888) 464-6832 (858) 578-4633 (888) 394-6832 Email info@inteccontrols.com Website inteccontrols.com Mailing/Shipping INTEC Controls Address 12700 Stowe Dr., Suite 100 Poway, CA 92064...
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