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MAN-0093 Rev 0 Oxygen Sensor
June 2008
Net Safety Monitoring Inc.

Appendix C: Millennium II Oxygen (O2) Sensor Specifications

SENSOR

Oxygen (O2)

Performance

Response Time

T95 < 15 sec

Zero Drift

+/- 5% per year

Environmental

Temperature

Operational: -40°C to +50°C

0 – 99% RH non condensing

Metallurgy

Aluminum or 316 SS

Nema Rating

NEMA 4X

Separation

Separation

Up to 2000 feet / 600 meters

Approvals

Approvals

0575

II 2 G, EEx d IIB + H2, T4 DNV-2006-OSL-ATEX-0475X

-40°C < Ta < +75°C

Содержание ST340X-25-ASSY

Страница 1: ...Part Number MAN 0093 Rev 0 June 2008 MILLENNIUM II Gas Sensor Oxygen O2 Sensor User Manual Model ST340X 25 ASSY...

Страница 2: ...roughly tested inspected and calibrated prior to shipment Failures can occur which are beyond the control of the manufacturer Failures can be minimized by adhering to the operating and maintenance ins...

Страница 3: ...wer Up 10 3 3 Sensor Communication 10 SECTION 4 Output 11 4 1 Alarm and Fault Outputs 11 4 1 1 Other Available Outputs 11 4 1 2 Modbus registers 11 SECTION 5 Maintaining 12 5 1 Millennium II Basic Tra...

Страница 4: ...sor June 2008 Net Safety Monitoring Inc 4 5 6 How to Return Equipment 19 Appendix 20 Appendix A Electrostatic Sensitive Device ESD 20 Appendix B Resistance Table 21 Appendix C Millennium II Oxygen O2...

Страница 5: ...or hazardous locations and a replaceable sensor module This sensor is designed to only operate with the Millennium II series Transmitters If the sensor is connected to any other model transmitters it...

Страница 6: ...Basic sensor I J in mm in mm Transmitter sensor AL 3 0 76 9 0 229 Transmitter sensor SS 2 8 71 8 9 226 Figure 2 below shows the dimensions of the Millennium II transmitter with sensor and the Millenni...

Страница 7: ...MAN 0093 Rev 0 Oxygen Sensor June 2008 Net Safety Monitoring Inc 7 Figure 2 Sensor with Millennium II series transmitters dimensional drawing...

Страница 8: ...s attached directly to a transmitter and located in the appropriate location for detecting the gas in question Figure 3 Locating Sensor 1 3 Sensor Separated Locate the sensor separate from a transmitt...

Страница 9: ...l equipment in a hazardous area and is the responsibility of the installer If in doubt consult a qualified official before wiring the system Guidelines When separating the sensor from the transmitter...

Страница 10: ...Junction Box Manual MAN 0081 for terminal designations SECTION 3 Operation 3 1 Configuration Settings All configuration settings are accessed through the Millennium II series transmitter This is done...

Страница 11: ...tter manual for more information 4 1 2 Modbus registers Table 4 below shows the user accessible Modbus registers and meaning Table 4 Modbus registers and meaning Reg Meaning Readable Writeable 40001 C...

Страница 12: ...low and Below Above The default Alarm Mode is Below Below Above Above means the alarm will be activated when oxygen level is above Alarm Point 1 or above Alarm point 2 Below Below means the alarm will...

Страница 13: ...arm Mode Below Above Alarm Point 1 and Alarm Point 2 are distinct as seen in Table 9 Table 7 Alarm Points for Alarm Mode Above Above Alarm Mode Above Above Alarm Point 1 2 Position 1 position 3 Positi...

Страница 14: ...n or magnet after which status LED goes solid red release push button or remove magnet 6 When the current output is 3 mA indicated by analog models and the Status LED is once again solid green second...

Страница 15: ...menu button 2 Reed switch 2 or menu button 1 Reed switch 1 to navigate Alarm Mode Setting Select this option with menu button 3 Reed switch 3 3 The display will show Only for Oxygen Sensor and then sh...

Страница 16: ...n press select menu button 1 or Reed switch 1 to select yes 2 When Calibrate Sensor is displayed select the enter key menu button 3 or Reed switch 3 3 When Calibrate Sensor 1 is highlighted press the...

Страница 17: ...sensor housing by turning in a counter clockwise rotation to expose sensor module 4 Using the Teflon pull tab pull sensor straight down out of the sensor housing until sensor is completely removed fro...

Страница 18: ...libration If the problem persists please contact Net safety s service department first by phone to try and resolve the issue If the issue cannot be resolved please follow the procedure below on how to...

Страница 19: ...an determine and correct the problem 3 A company name contact name and telephone number 4 A purchase order from your company authorizing repairs or request for quote 5 Ship all equipment prepaid to Ne...

Страница 20: ...mingly normal for an indefinite period of time followed by a sudden failure To eliminate potential ESD damage review the following guidelines Handle boards by metal shields taking care not to touch el...

Страница 21: ...1 09 0 63 1250 12 70 7 99 5 03 3 16 1 99 1 25 0 79 1500 15 20 9 58 6 02 3 79 2 38 1 50 0 94 1750 17 80 11 20 7 03 4 42 2 78 1 75 1 10 2000 20 30 12 80 8 03 5 05 3 18 2 00 1 26 2250 22 80 14 40 9 03 5...

Страница 22: ...Oxygen O2 Performance Response Time T95 15 sec Zero Drift 5 per year Environmental Temperature Operational 40 C to 50 C RH 0 99 RH non condensing Metallurgy Aluminum or 316 SS Nema Rating NEMA 4X Sep...

Страница 23: ...Calgary AB Canada T1Y 7J7 1 866 FIREGAS 347 3427 ph 403 219 0688 fx 403 219 0694 http www net safety com info net safety com PRODUCT SERVICES CONTACT INFORMATION Telephone 8am 5pm MDT 403 769 6074 403...

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