Summary of Contents for MIRAX ATOM IR
- Page 1 APPROVED BY General Director MIRAX LLC /signed/ A.A. Shashov August 15, 2021 Stationary Gas Analyzers ATOM Operation Manual RUSG.413216.001RE Chaykovsky 2021...
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Page 2: Table Of Contents
Table of contents Table of contents ..........................1 Introduction............................. 4 1 Safety Precautions ........................5 2 Purpose of Gas Analyzer ......................5 3 Manufacturer’s Warranty ......................7 4 Gas Analyzer Design ........................8 4.1 Appearance .......................... 8 4.2 Overall Dimensions ......................8 4.3 Gas Analyzer Structure ...................... - Page 3 11.5 Installation of Gas Analyzer Canopy ................28 12 Gas Analyzer Operation ......................28 12.1 Structure of Operating Modes ..................28 12.2 Sensor Main Menu ......................29 12.2.1 Information Menu ......................30 12.2.2 Calibration Menu ......................31 12.2.3 Settings Menu ....................... 31 12.2.4 Testing Menu ........................
- Page 4 Appendix C ..........................70 TR CU 020/2011 Declaration of Conformity ................70 Appendix D ..........................71 Certificate of Conformity — Seismic Resistance ..............71 Appendix E ..........................72 Certificate of Conformity — SIL 2 ..................72 Revision History .......................... 73...
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Page 5: Introduction
Metrology and is included in the State Register of Measuring Instruments of the Russian Federation number 84673-22. Current versions of permits and regulatory documents, certificates of conformity for the gas analyzer are available on manufacturer’s website www.mirax-safety.com in “Files” or “Products” section. -
Page 6: Safety Precautions
1 Safety Precautions Before installing, operating or servicing the equipment, carefully read this Operation Manual. Pay special attention to the following warning signs: WARNING. Indicates a potentially hazardous situation which, if proper precautions are not taken, could result in personal injury, damage to the product or damage to the environment. - Page 7 - ATOM IR - infrared sensor - ATOM LEL thermocatalytic sensor - ATOM EC electrochemical sensor - ATOM PID photoionization sensor - ATOM MEMS semiconductor sensor The sampling method is diffusion sampling. The operating position of the gas analyzer is vertical with the sensor at the bottom.
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Page 8: Manufacturer's Warranty
3 Manufacturer’s Warranty Warranty period is 36 months from the date of sale. Sensor warranty: − for ATOM IR - 36 months − for ATOM LEL - 12 months − for ATOM EC - 12 months − for ATOM PID - 12 months −... -
Page 9: Gas Analyzer Design
4 Gas Analyzer Design 4.1 Appearance Depending on the housing material, gas analyzers are subdivided into: − gas analyzer in an aluminum housing − gas analyzer in a steel housing The appearance of the gas analyzer is shown in Figure 1. Figure 1 - Appearance of ATOM in aluminum and steel housings 4.2 Overall Dimensions The overall dimensions of the gas analyzer are shown in Figure 2-4. -
Page 10: Gas Analyzer Structure
4.3 Gas Analyzer Structure Structurally, the gas analyzer is enclosed in a metal housing with a cover. The gas analyzer housing has three threaded inputs. Two cable/conduit glands located on either side of the top of the gas analyzer housing are provided for connection of power supply and signal output. The lower input is used for connection of a Smart sensor. -
Page 11: Front Panel Description
Nameplate with marking Electronic module Threaded outlet of cable gland/plug Housing Smart sensor Cover Retaining screw Sensor cover Figure 3 - Functional Composition of ATOM 4.4 Front Panel Description The following is located on the front panel of the gas analyzer (Figure 4): - “Status”... -
Page 12: Oled Display Description
“Enter” magnetic zone “Status” LED “Down” magnetic zone “Up” magnetic zone OLED display Figure 4 - ATOM Front Panel 4.5 OLED Display Description ATOM OLED display shows the type of gas, concentration, units of measurement and a measurement scale with thresholds. Data is presented on the display in numbers, histograms and symbols. -
Page 13: Scope Of Supply
Packaging Notes: One copy for 10 gas analyzers in a lot, but not less than one copy per delivery. One copy per lot. Available on website: mirax-safety.com. Additional Accessories for ATOM: 1 Magnetic key. 2 Calibration attachment*. The gas analyzer can be configured using a magnetic It is used to configure gas analyzers with a gas mixture. - Page 14 3 Pipe mounting kit*. For installation of the gas 4 Canopy for protection from snow and sun*. Designed analyzer on a 38 - 68 mm diameter pipe. to protect gas analyzers installed outdoors from overheating in the warm season or from heavy snow in winter.
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Page 15: Transportation And Storage
6 Transportation and Storage 6.1 Storage of Gas Analyzers The gas analyzer and operational documentation are packed in a cardboard box. The packaging method, preparation for packaging, shipping containers and materials used in packaging, placement order correspond to the manufacturer’s drawings. Gas analyzers in the manufacturer’s packaging shall be stored in supplier’s and customer’s warehouses in storage conditions 3 according to GOST 15150-69 (closed or other premises with natural ventilation without artificially controlled climatic conditions *. -
Page 16: Marking And Sealing
7 Marking and Sealing The gas analyzer’s marking contains: − manufacturer’s name and trademark − type of gas analyzer − molecular formula of measured gas − measuring range − year of manufacture − serial number of the gas analyzer number according to the manufacturer’s numbering system −... -
Page 17: Specifications
8 Specifications 8.1 Operating Conditions The gas analyzer is designed for operation in the following climatic conditions: − ambient temperature -60°C to +65°C − relative humidity not higher than 98%, at +35 °C and lower without condensation − atmospheric pressure 84 to 106.7 kPa −... -
Page 18: Design Specifications
Gas analyzer warm-up time limit: − ATOM IR, ATOM PID - not more than 2 minutes − ATOM LEL, ATOM EC, ATOM MEMS - not more than 10 minutes. The cable line length from the gas analyzer to the controller depends on the input voltage and the selected cable. -
Page 19: Reliability Parameters
±0.2. Time to establish the gas analyzer output signal at 0.9 level (T0.9): ATOM IR - 10 sec; ATOM LEL - 15 sec; ATOM EC - 30 sec; ATOM PID - 30 sec; ATOM MEMS - 15 sec The settling time of the output signal depends on the ambient temperature and the component being measured. -
Page 20: Default Configuration
At the end of the service life, the gas analyzer shall be written off and disposed in accordance with the rules established at the site of operation. 8.6 Default Configuration ATOM is supplied in a pre-configured and ready-for-use state according to the default parameters listed in Table 1 below. -
Page 21: Pc Connection
When working in hazardous areas, explosion-proof mobile devices shall be used. 9.3 PC Connection Connection to a PC is made using a USB-UART converter. Gas analyzers are configured using the Mirax Configurator program. The program and User Manual are available on website www.mirax-safety.com in the products section. -
Page 22: Preparing For Operation
10 Preparation for Operation Only persons having read this OM and received safety instructions shall be allowed to work with the gas analyzer. Never operate the gas analyzer with a mechanically damaged housing or damaged seals. Only trained personnel shall access the internal parts of the gas analyzer for maintenance. After unpacking the gas analyzer, check the contents of the package, presence of seals, explosion protection markings, and make sure there are no mechanical damages. -
Page 23: Armored Cable Gland Installation
Cables 100mm Cable 3) Insert the cable into the cable entry pulling it through the rear nut and the entry element. Position the cable properly. When tightening the cable gland, the seal shall grip the outer sheath of the cable. 4) Attach the metal hose to the connector. - Page 24 Wires Armor Sheath 55 mm 40 mm 25 mm Cable F) Place part 4 on the inner sheath and under the armor. Push part 5 onto the exposed armor. G) Insert the cable through part 2. Screw in part 3. H) If necessary, use a second wrench on part 2 at all stages to avoid stripping the sheath threads.
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Page 25: Gas Analyzer Installation
11 Gas Analyzer Installation Installation of the gas analyzer on site shall be in accordance with the duly approved design for the placement of the control system in which the gas analyzer is used. During installation and operation, you follow: chapter 7.3. -
Page 26: Installation Of Gas Analyzer On Pipe
2 holes Figure 6 - Gas Analyzer mounted on a Figure 5 - Installation Dimensions wall 11.3 Installation of Gas Analyzer on Pipe When installing the gas analyzer on a pipe, use the pipe mounting kit (Fig. 7) (supplied as an option). -
Page 27: Installation Of Gas Analyzer In Air Duct
11.4 Installation of Gas Analyzer in Air Duct To install a kit for installation in an air duct (hereinafter referred to as the kit), a place for installation shall be prepared in the upper wall of the air duct (Fig. 9). Other methods of installation are acceptable, provided that tightness and strength are maintained (for example, with self-tapping screws). - Page 28 Figure 10 - General view of the kit. 1 - coupling, 2 - internal seal, 3 - flange, 4 - rubber seal under the flange, 5 - rubber seal under the nut, 6 - nut, 7, 8, 9 - fitting, 10 - polyurethane tube. To check the functionality of the gas analyzer, supply the appropriate gas mixture to the gas supply point using a quick-release connector (included in the delivery kit).
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Page 29: Installation Of Gas Analyzer Canopy
11.5 Installation of Gas Analyzer Canopy The appearance of the gas analyzer with the installed canopy when mounted on a pipe is shown in Figure 11. Figure 11 - Installation of the gas analyzer canopy 12 Gas Analyzer Operation ATOM gas analyzer is supplied pre-configured and ready for use in accordance with the default parameters listed in paragraph 8.6. -
Page 30: Sensor Main Menu
2) Calibration mode allows you to calibrate the zero and sensitivity of the sensor. 3) In the service mode you can change the configuration parameters of the gas analyzer functions in accordance with your specific needs. 12.2 Sensor Main Menu To enter the main menu of the sensor, while in measurement mode, move the magnet to icon and hold it for 5 seconds. -
Page 31: Information Menu
To exit from the bottom menu item to the top menu level or from the main menu to the measurement mode, there is “Exit” line. You can also exit by holding the magnet close to icon for 2 seconds. is only accessible for manufacturer’s personnel and is The submenu marked with protected by an access password (factory settings), and you can also set a password to restrict user access, ref. -
Page 32: Calibration Menu
12.2.2 Calibration Menu The calibration menu contains the following menu items: "Zero calibration", "Range calibration". The calibration procedure and available methods are described in detail in section 16. 12.2.3 Settings Menu The Settings Menu contains the following menu items: “Measurements”, “Interfaces”, “Access”, “Factory Settings”. - Page 33 12.2.3.1 “Measurement” Submenu In “Measurements” submenu you can configure measurement parameters. You can choose to display two concentrations in mg/m and ppm simultaneously. 12.2.3.2 In “Interfaces” submenu Settings are configured in the following order: − by holding a magnet close to icons , moving to the parameter that needs to be edited, −...
- Page 34 Holding the magnet near icon for 2 secs you save the edited parameter and exit the editing mode. To exit the editing mode without saving briefly move the magnet to icon “Display Settings” submenu, enable/disable display animation, and to set the data acquisition interval for the graph showing the measured concentration of the last time the sensor was operating (Item 4.5).
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Page 35: Testing Menu
Menu ► Information ► Sensor information ► Reading range. Menu ► Calibration ► Zero calibration. Menu ► Calibration ► Range Calibration. Menu ► Settings ► Measurements. Menu ► Settings ► Access. Menu ► Settings ► Factory settings. Editing and saving the password is done in the same order as editing sensor parameters: entering password editing mode by placing a magnet near icon... - Page 36 12.2.4.2 “Display test” Submenu The display can be tested automatically by displaying animation on the screen. After completion, a window appears with the following message: Testing complete. 12.2.4.3 “Sensor test” Submenu The sensor is tested automatically throughout the entire operating time of the device.
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Page 37: First Start (Commissioning)
13 First Start (commissioning) Never open the gas analyzer in a hazardous area when the device is energized. Only trained personnel shall access the internal parts of the gas analyzer for maintenance. The housing of the gas analyzed shall be grounded. Internal and external grounding devices and grounding signs according to GOST 21130-75 are provided for gas analyzer grounding. -
Page 38: Installation Check
4) Supply power to the gas analyzer. 5) After this, the procedure for starting, initializing and warming up the gas analyzer will begin (Table 3). The gas analyzer will then enter the measurement mode. Table 3 - Interface Statuses Digital Process Type of light alarm indication... -
Page 39: Indication And Functioning Check
14 Indication and Functioning Check 14.1 Indication Check The indication is checked after the first start to verify the correct operation of the device. To ensure correct display of the indication, after turning on the gas analyzer for the first time, perform the zero calibration procedure (Section 16). - Page 40 “Status” LED is constantly red The value of the volume 4-20 Concentration fraction of the value / Threshold 3 Double flash of 3 red LEDs at 1 flash component being per second. determined exceeds the THRESHOLD 3 value Calibration Zero calibration Variable single flash of "Status"...
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Page 41: Gas Analyzer Connection
15 Gas Analyzer Connection Only persons having read this OM and received safety instructions shall be allowed to work with the gas analyzer. Only trained personnel shall access the internal parts of the gas analyzer for maintenance. Installation and operation shall comply with the rules and regulations of the Russian Electrical Installations Code (PUE) and Safety Rules in Gas Industry. -
Page 42: Calculation Of Cable Line Length
Explosive area Safe area +24 V +(4-20 mA) -24 V Figure 12 - 3-wire ATOM gas analyzer connection diagram with HART current loop connection 15.2 Calculation of Cable Line Length To calculate the maximum permissible length of the sensor power cable, determine: ●... -
Page 43: Grounding
is the minimum supply voltage of the gas analyzer, V. For ATOM, the minimum voltage is 16 V. is the current consumption of the gas analyzer at the minimum supply voltage, A. For consump ATOM it will be 0.525 A. Controller Gas analyzer Power supply and signal... - Page 44 Controller Gas analyzer Power supply and signal Grounding shield Figure 13 - Shielded Cable Grounding Grounding the shield on both sides is not acceptable: due to potential differences, currents may arise that can cause incorrect readings or false alarms of the sensors. To ensure protective grounding, according to Chapter 7.3 of the PUE, the gas analyzer housing shall be grounded.
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Page 45: Zero Setting And Sensitivity Calibration
After turning on the power, to begin the calibration process, keep the gas analyzer turned ATOM IR, ATOM PID - for 10 min; ATOM LEL - for 1 hour; ATOM MEMS - for 20 min. ATOM EC- for 1 hour*; ATOM EC (O2)- 24 hours; ATOM EC (MO)- 24 hours. -
Page 46: Zero Setting With Magnetic Key
Gas type Flowrate (L/min) Air or N for zero setting 0.5 to 1.0 Combustible gases (thermocatalytic sensor) 1 to 1.5 0.5 to 1.0 Toxic gases Combustible gases (infrared sensor) 0.4 to 0.6 16.1 Zero Setting with Magnetic Key To calibrate zero with a magnet, you need: ①... -
Page 47: Sensitivity (Range) Calibration With Magnetic Key
3) After 3 minutes, briefly move the magnet close to zone . The data saving process will begin. Intermittent single flashing of blue “Status” LED for 5 seconds. 4) If ZCG is used for zero setting, turn off the gas supply. Zero setting is complete and saved. 5) Then the device will return to zero calibration mode. -
Page 48: Zero Calibration Via Menu
5) After this, you will return to the sensitivity calibration mode (If necessary, you can repeat the saving). “Status” LED flashes white at 1 flash per second. 6) Exit the calibration mode by moving the magnet to “Enter” zone . Without holding a magnet close to the device, the gas analyzer will be in sensitivity calibration mode for 5 minutes, and then goes into measurement mode (“Status”... - Page 49 3) In the opened window select: “Zero calibration” using corresponding icons to move through the lines. Briefly move the magnet close to icon 4) To start this procedure, go to “Yes” line using appropriate icons Briefly move the magnet close to icon 5) If ZCG is used for zero setting, it shall be supplied through a calibration nozzle.
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Page 50: Sensitivity (Range) Calibration Via Menu
16.4 Sensitivity (range) Calibration via Menu To calibrate the sensitivity (range) with a magnet, you need: ❶ ATOM with a calibration attachment ❷ Magnetic key ❸ Rotameter ❹ Gearbox ❺ SRS-CGM (state reference sample - calibration gas mixture). For the oxygen sensor, ambient air (20.9 vol.% oxygen) can be used to calibrate the sensitivity. 1) To enter the main menu of the sensor, when in measurement mode, (normal operation), move the magnet close to icon and hold it there... -
Page 51: Zero Calibration Via Hart Communicator
5) Then enter the supply gas concentration*. *The default setting is the concentration saved in the “Settings” submenu. To modify the value: ► Use corresponding icons to move through the lines. When you switch to the concentration value, the numbers will begin to “blink”, changing the background from yellow to black. - Page 52 This option shall be supported with a HART current loop connection according to Figure 12. For zero calibration, you need: ① ATOM with HART current loop option ② Rotameter ③ Gearbox ④ ZCG (zero calibration gas) or a known clean atmosphere without residual amounts of the gas being determined ⑤...
- Page 53 2) Then select “Calibration” menu item. 3) Next, select “Calibrate sensor”. 4) To calibrate the sensor zero, select “Calibrate zero” item. 5) Then the following warning will appear: “Disable automatic loop control”. That is, the current output value is fixed and does not correspond to the sensor readings (exactly for the period of this operation).
- Page 54 6) Then the following warning will be displayed: “This will affect the calibration of the sensor.” 7) Then, “Apply input 0 to sensor” message will appear. Ensure that calibration is carried out in a clean atmosphere without residual amounts of the gas being determined, or supply ZCG to ATOM sensor.
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Page 55: Sensitivity Calibration Via Hart Communicator
10) The zero calibration is complete. The following note will appear: “Automatic loop control can be activated”. 16.6 Sensitivity Calibration via HART Communicator Detailed description of supported commands, communication protocol via HART interface, as well as the structure of the HART menu according to section 20. This option shall be supported with a HART current loop connection according to Figure 12. - Page 56 1) Turn on the HART communicator (if necessary, go from the main menu to the connection settings section) and wait until communication with the gas analyzer is established. Once the connection is established, the main menu will be displayed. Select “Settings” item. 2) Then select “Calibration”...
- Page 57 5) The following warnings will appear: “Disable automatic loop control”. That is, the current output value is fixed and does not correspond to the sensor readings (exactly for the period of this operation). Click “OK” Next warning: “This will affect sensor calibration” Click “OK”...
- Page 58 8) Supply SRS-CGM for range calibration. In three minutes the given concentration shall be entered into the input window. 9) In “Applied process” line, the reading should be equal to “X vol. %”. X is the range calibration value entered above. If the values matches the entered concentration, then click “Yes”.
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Page 59: Potential Malfunctions
17 Potential Malfunctions Potential malfunctions of the gas analyzer are displayed on the LED indicator (OLED display) in the form of error codes. Displayed Error Code Error Description Troubleshooting System Errors Error code 12 Quartz resonator at 12 MHz is faulty Return the gas analyzer to the manufacturer for Error code 20... -
Page 60: Maintenance
- cleaning the fire arrester filter of the gas analyzer - annually - replacing the sensor - as required - calibration - once a year for ATOM LEL, ATOM EC, ATOM PID, ATOM IR, ATOM MEMS Visual inspection of the gas analyzer and periodic functioning checks are carried out without removing the device. -
Page 61: Periodic Functioning Check
18.3 Periodic Functioning Check Periodic functioning testing includes checking the zero readings and sensitivity of the gas analyzer. When checking, supply ZCG (zero air or high-purity nitrogen) and CGM with a concentration of 25% to 75% of the measurement range of the component being determined, using a calibration attachment. -
Page 62: Sensor Replacement
Calibration period: 1 year. Calibration should be made according to the calibration procedure. The current version is available on manufacturer's website www.mirax-safety.com. In Products section, find ATOM sensor, and in “Files” column there is “Calibration Method” subheading, which contains the... - Page 63 ATOM sensors can be calibrated on site in their operating position without removal subject to the following conditions: - ambient temperature, C: 20 ° ± - relative humidity, %: 30 to 80 - atmospheric pressure, kPa: 84 to 106.7 С for at least 24 hours - cylinders with CGM shall be kept at 20 ±...
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Page 64: Hart Menu Structure
20 HART Menu Structure HART protocol (Highway Addressable Remote Transducer) is designed for connecting industrial sensors. HART allows digital data and power to be transmitted over two wires while maintaining compatibility with analog 4-20 mA loop current sensors. A typical application for HART is in explosion-proof equipment, where the low power of the HART signal facilitates compliance with the requirements of standards for intrinsically safe electrical circuits. - Page 65 The menu structures are shown below: ► Online ► Setting ► Sensor calibration Calibrate zero Calibrate range ► Parameters Threshold 1 Threshold type 1 Threshold 2 Threshold type 2 Activate service menu ► Overview Model Distributor Device Id Long Tag Descriptor Message Date...
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Page 66: Nominal Static Conversion Function
21 Nominal Static Conversion Function The concentration value output from the current loop is calculated using the nominal static conversion function. The function shows the dependence of the electric current of the output signal on the concentration of the component being determined: = 16- + 4, (1) С... -
Page 67: Measuring Instrument Type Approval Certificate
Appendix A Certificate of measuring instrument type approval... -
Page 68: Tr Cu 012/2011 Certificate Of Conformity
Appendix B Certificate of Conformity TR CU 012/2011 EURASIAN ECONOMIC UNION... - Page 69 EURASIAN ECONOMIC UNION...
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Page 71: Tr Cu 020/2011 Declaration Of Conformity
Appendix C TR CU 020/2011 Declaration of Conformity... -
Page 72: Certificate Of Conformity - Seismic Resistance
Appendix D Certificate of Conformity — Seismic Resistance... -
Page 73: Certificate Of Conformity - Sil 2
Appendix E Certificate of Conformity — SIL... -
Page 74: Revision History
Revision History...
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