PureAire Monitoring Systems 99019 Instruction Manual
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PureAire Monitoring Systems 99019 Instruction Manual

O2 deficiency sample draw monitors
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PureAire Monitoring Systems
O
Deficiency Sample Draw Monitors
2
Instruction Manual
For models
US (99019/99029/99092)
Intl (99129/99130)
Water Resistant (99118)
Class I EXR (99020/99099)
Class II EXR (99045)
PureAire Monitoring Systems, Inc.
1140 Ensell Road
Lake Zurich, Illinois 60047
Phone: +1 (847) 726-6000
Fax: +1 (847) 726-6051
Toll-Free: +1 (888) 788-8050
24/7 Emergency: +1 (224) 443-5445
Pureairemonitoring.com
Rev 5.03, August 2023

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Summary of Contents for PureAire Monitoring Systems 99019

  • Page 1: Pureaire Monitoring Systems O Deficiency Sample Draw Monitors

    For models US (99019/99029/99092) Intl (99129/99130) Water Resistant (99118) Class I EXR (99020/99099) Class II EXR (99045) PureAire Monitoring Systems, Inc. 1140 Ensell Road Lake Zurich, Illinois 60047 Phone: +1 (847) 726-6000 Fax: +1 (847) 726-6051 Toll-Free: +1 (888) 788-8050 24/7 Emergency: +1 (224) 443-5445 Pureairemonitoring.com...
  • Page 2 That is just one way PureAire takes that extra step to ensure your complete satisfaction. Thank you again for investing in PureAire Monitoring Systems for your monitoring needs and I am proud to welcome you to our family of valued and satisfied customers.
  • Page 3 7. When using the monitor, DO NOT expose the oxygen sensor directly to a water stream. In areas requiring wash downs, cover and protect the monitor and power supply. Contact PureAire for details on waterproof enclosures. The Password for entering the menus is 557. © 2023 PureAire Monitoring Systems, Inc.

  • Page 4: Table Of Contents

    2.5.1 Sample Draw Oxygen Detector ................15 2.5.2 Water Resistant Sample Draw Oxygen Detector ............ 15 2.5.3 Class I Explosion Proof Oxygen Detector .............. 15 2.5.4 Class II Explosion Proof Oxygen Detector ............. 15 © 2023 PureAire Monitoring Systems, Inc.
  • Page 5 Setting 4-20mA Loop ..................... 28 Setting Relay Formats ....................28 Setting Alarm Polarity ....................29 Setting Alarm Latching ....................30 Sensor Adjustment Menus ..................... 31 5.10 AutoSpan Menus ......................32 5.11 Factory Reset Menus ....................33 © 2023 PureAire Monitoring Systems, Inc.
  • Page 6 Sensor Functionality Verification Procedure ..............37 Ambient Oxygen Level Verification ................38 AutoAdjust Functions ....................39 6.4.1 Monitor AutoSpan ....................39 6.4.2 Reset AutoCal to Factory Settings ................40 Manual Monitor Span Adjustment ................. 40 © 2023 PureAire Monitoring Systems, Inc.

  • Page 7: 1: Introduction

    Uniquely designed by PureAire, this sensor can accurately detect low oxygen levels in confined spaces and process tools without needing a reference gas, setting it apart from conventional concentration O cells. © 2023 PureAire Monitoring Systems, Inc.

  • Page 8: Smart Electronics

    20.9% oxygen, eliminating the need for manual adjustments and further simplifying the user’s experience. Further details about the factory reset and AutoSpan function will be provided later in the manual. 1.2 Component Identification 1.2.1 Sample Draw Oxygen Monitors © 2023 PureAire Monitoring Systems, Inc.

  • Page 9: Sample Draw Oxygen Monitors (Hornless)

    1.2.2 Sample Draw Oxygen Monitors (Hornless) © 2023 PureAire Monitoring Systems, Inc.

  • Page 10: Sample Draw Oxygen Monitors (Pumpless)

    1.2.3 Sample Draw Oxygen Monitors (Pumpless) 1.2.4 Water Resistant Sample Draw Monitors © 2023 PureAire Monitoring Systems, Inc.

  • Page 11: Class I Explosion Proof Monitor

    1.2.5 Class I Explosion Proof Monitor 1.2.6 Class II Explosion Proof Monitor © 2023 PureAire Monitoring Systems, Inc.

  • Page 12: Particulate Filter Assembly

    1.2.7 Particulate Filter Assembly 1.2.8 Water/Humidity Filter Assembly © 2023 PureAire Monitoring Systems, Inc.

  • Page 13: Joystick Board

    1.2.9 Joystick Board 1.2.10 Relay Board NC: Normally Closed C: Common NO: Normally Open © 2023 PureAire Monitoring Systems, Inc.

  • Page 14: 2: Specifications

    -40° to 40°C (-40° to 104°F); Consult PureAire for extended ranges. Rel. Humidity: 0 to 95% RH; Explosion Proof designed for installation in Class II, Groups E, F, and G, Class III, Type 4 & 4X. ATEX, IEC Ex, Ex d IIC, IP66. © 2023 PureAire Monitoring Systems, Inc.

  • Page 15: Gas Detection System

    6.625 (W) x 5.50 (H) x 5.25 (D) inches; 168 x 140 x 134 mm Weight: 12 pounds (5.5 kg) Enclosure Type: Explosion proof housing designed for installation in Class II, Div 1&2, Groups EFG, Class III, Type 4 & 4X. ATEX, IEC Ex, Ex d IIC, IP66. © 2023 PureAire Monitoring Systems, Inc.

  • Page 16: Default Factory Settings

    For changing the password from Factory Default is 557 Passwords factory default to a new password *NOTE: The Audio alarm feature is optional The LED indicators on the front panel are connected directly to the alarm relays. © 2023 PureAire Monitoring Systems, Inc.

  • Page 17: 3: Installation

    NOTE: Pump is optional. For pumpless models, there will be no indication of flow faults. CAUTION: ONLY CLASS I (99020/99099) & CLASS II (99045) ENCLOSURES ARE RATED FOR HAZARDOUS LOCATIONS. © 2023 PureAire Monitoring Systems, Inc.

  • Page 18: Mounting

    3.2 Mounting 3.2.1 Sample Draw Monitor Enclosure Dimensions 3.2.2 Water-Resistant Sample Draw Monitor Enclosure Dimensions © 2023 PureAire Monitoring Systems, Inc.

  • Page 19: Explosion-Proof Class I Enclosure Dimensions

    3.2.3 Explosion-Proof Class I Enclosure Dimensions 3.2.4 Explosion-Proof Class II Enclosure Dimensions © 2023 PureAire Monitoring Systems, Inc.

  • Page 20: Sample Inlet Filter

    3.2.5.1 Dust & Particulate Filter Depending on the environment, it is recommended that the filter be replaced every 12 months. In dusty environments, filter replacement may be more frequent. For replacement dust/particulate filters, please order PureAire P/N 90115. © 2023 PureAire Monitoring Systems, Inc.

  • Page 21: Humidity/Water Filter

    Consider factors such as air circulation patterns within the area to be sampled from, the properties of the gas (whether it’s lighter or heavier than air), and the placement of workstations and staff when deciding on the optimal installation site. © 2023 PureAire Monitoring Systems, Inc.

  • Page 22: Wiring

    Caution: DO NOT connect to a powered current loop receiver. The Air Check Oxygen monitor supplies the current loop power. DO NOT disconnect or reconnect the sensor when monitor is powered on. 3.3.2 Relay Board Connections © 2023 PureAire Monitoring Systems, Inc.

  • Page 23: 4: Normal Operation

    Continuous gas detection systems, crucial for identifying hazardous gas leaks in various environments, require routine maintenance to ensure proper functioning. The frequency of this maintenance largely hinges on the specific environmental conditions. However, as a general © 2023 PureAire Monitoring Systems, Inc.

  • Page 24: Loss Of Power Indication

    Please note: Before you can reset the horn using either the remote reset switch or the joystick, the oxygen levels must return to above the alarm thresholds. © 2023 PureAire Monitoring Systems, Inc.

  • Page 25: 5: Monitor Programming

    Right – Next level of menu hierarchy Previous – Returns to previous level of menu hierarchy Enter – Enters information into the microprocessor NOTE: The joystick has a built-in delay to prevent accidental tampering of the menus. © 2023 PureAire Monitoring Systems, Inc.

  • Page 26: Overall Program Flowchart

    To return to the “PassCode ok” screen from any top-level internal menu, move the joystick to the left. From sub-menus, toggle left until the “PassCode ok” menu state is reached. © 2023 PureAire Monitoring Systems, Inc.

  • Page 27: Entering Password

    5.3 Entering Password 5.4 Changing the User Password © 2023 PureAire Monitoring Systems, Inc.

  • Page 28: Setting 4-20Ma Loop

    5.5 Setting 4-20mA Loop 5.6 Setting Relay Formats © 2023 PureAire Monitoring Systems, Inc.

  • Page 29: Setting Alarm Polarity

    5.7 Setting Alarm Polarity © 2023 PureAire Monitoring Systems, Inc.

  • Page 30: Setting Alarm Latching

    5.8 Setting Alarm Latching © 2023 PureAire Monitoring Systems, Inc.

  • Page 31: Sensor Adjustment Menus

    5.9 Sensor Adjustment Menus Please refer to Section 6.5 for Manual Monitor Span Adjustment. © 2023 PureAire Monitoring Systems, Inc.

  • Page 32: Autospan Menus

    5.10 AutoSpan Menus Please refer to Section 6.4 For AutoAdjust Functions. © 2023 PureAire Monitoring Systems, Inc.

  • Page 33: Factory Reset Menus

    5.11 Factory Reset Menus Please refer to Section 2.6 for Default Factory Settings and resettable settings. © 2023 PureAire Monitoring Systems, Inc.

  • Page 34: Setting Alarm Hysteresis

    15.5% (15.2% + 0.3%). This strategy prevents the valve from frequently opening and closing due to small fluctuations around the 15.2% level, ensuring more stable operation. © 2023 PureAire Monitoring Systems, Inc.

  • Page 35: Setting Alarm Thresholds

    5.13 Setting Alarm Thresholds © 2023 PureAire Monitoring Systems, Inc.

  • Page 36: Setting Alarm Delay

    5.14 Setting Alarm Delay © 2023 PureAire Monitoring Systems, Inc.

  • Page 37: 6: Maintenance & Sensor Verification

    Testing the sensor and monitor’s response to an oxygen-deficient environment provides a quick check on their functionality. One efficient method is to apply Ultra-High Purity (UHP) nitrogen (99% N ). The monitor reading should drop to less than 1% O within a minute. Upon removal © 2023 PureAire Monitoring Systems, Inc.

  • Page 38: Ambient Oxygen Level Verification

    See sections 6.4 & 6.5 for instructions on span adjustment. NOTE: It is recommended to warm up the Air Check Oxygen monitor for at least two hours before making any adjustments to the sensor. © 2023 PureAire Monitoring Systems, Inc.

  • Page 39: Autoadjust Functions

    AutoSpan, and no changes will be made. This is a safety feature designed to ensure accurate readings. Even though AutoSpan is a helpful new addition, standard manual span adjustment is still available as per your needs. For manual adjustment, please see Section 6.5. © 2023 PureAire Monitoring Systems, Inc.

  • Page 40: Reset Autocal To Factory Settings

    To increase the displayed reading on the monitor, decrease the sensor span. Adjust the span until the digital display reads 20.9 ± 0.2%. Press ENTER on the joystick to accept the value. © 2023 PureAire Monitoring Systems, Inc.
  • Page 41 CAUTION: For best results, the Oxygen monitor should be protected from wind and high airflow when gas calibrating with test gas, as well as tested in an upright position to allow the span gas to fully saturate the sensor cell. © 2023 PureAire Monitoring Systems, Inc.

This manual is also suitable for:

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