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- Page 1 O Portable Monitor Portable Area Gas Monitor (PAGM) with Infrared Sensor for N O Gas Instruction 3015-4787 Operation & Maintenance Rev. 8 – February 2013 Patent 6,590,690 Product Leadership • Training • Service • Reliability...
- Page 2 Bacharach, Inc. warrants to Buyer that it will convey good title to this Product. Bacharach's liability and Buyer's remedy under this warranty of title are limited to the removal of any title defects or, at the election of Bacharach, to the replacement of this Product or parts thereof that are defective in title.
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Page 3: Table Of Contents
O Portable Monitor Table of Contents Table of Contents 1 INTRODUCTION ............................1 1.1 How to Use This Manual ......................... 1 1.2 Warning Statements ........................1 1.3 Caution Statements ......................... 1 1.4 Hazard Symbols on Monitor ......................1 1.5 Safety Precautions ........................... 1 1.5.1 Hazardous Area Warning .................... - Page 4 Table of Contents O Portable Monitor 3.14.2 Keypad Functions......................18 3.14.3 Screen Display ......................... 18 3.15 Print/Plot Logged Gas Levels ......................19 3.16 Downloading Stored Data to a Personal Computer ..............20 3.17 Importing Saved Data Into a Spreadsheet ................... 21 4 MAINTENANCE ............................
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Page 5: Introduction
1 Introduction 1.1 How to Use This Manual This manual provides important information on how to operate and service Bacharach’s Nitrous Oxide O) Portable Monitor. To assure operator safety and the proper use of the monitor, please read, understand, and follow the contents of this manual. -
Page 6: Combustible/Flammable Gas Warning
Instruction Manual 3015-4787 Elbow 3015-3234 Tubing (3 ft) 0003-6182 If damage was found, immediately file a claim with the carrier. If an item is missing, please contact Bacharach’s Service Department for assistance (refer to Section 5.2 Service Centers). Instruction 3015-4787... -
Page 7: Shipping Precaution
Battery powered, providing 8–12 hours of operation • 1.9 Functional Overview The Bacharach Nitrous Oxide (N O) Portable Monitor is designed to detect, measure, and display the concentration of N O gas in the area being monitored. To ensure accurate gas measurements, the monitor self-zeros every 4 minutes using its internal supply of fresh air. -
Page 8: Specifications
Specifications O Portable Monitor 2 Specifications Product Type ..... Portable N O Gas Monitor Measuring Range ..... 0 to 1,000 ppm Warm-Up Time ....15 minutes Detector Type....Infrared, Non-Dispersive Sensitivity ......1 ppm Accuracy ......±1 ppm ±5% of reading from 0 to 100ppm and ±10% of reading from 101 to 1000ppm. -
Page 9: Operation
O Portable Monitor Operation 3 Operation 3.1 Front Panel Display and Controls 3.2 Connecting Gas-Sample & Exhaust Lines 3.2.1 Overview A single gas-sample line needs to be run from the N O Monitor to the area to be monitored. If desired, an optional exhaust line can be installed to vent N O gas away from the monitor. -
Page 10: Connecting The Exhaust Line (Optional)
Tilting the monitor to a vertical position while in operation may cause inaccurate measurements to occur. Turn ON the monitor as follows: BACHARACH 1. Lift up the shield located in front of the handle VERSION x.xx 2. Press the red power ON/OFF toggle switch. - Page 11 O Portable Monitor Operation 4. Observe that the NEW TWA/twa screen may appear, depending on the configuration of the monitor’s TWA/twa function (refer to Section 3.4 for detailed TWA operation). WARM UP 5. Observe the monitor starts counting down its warm-up period of 900 seconds (15 minutes).
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Page 12: Time Weighted Average (Twa) Operation
Operation O Portable Monitor 3.4 Time Weighted Average (TWA) Operation 3.4.1 Overview In addition to displaying the current N O level, the monitor can also calculate and display a Time Weighted Average ppm value. This value is available in two formats (8 Hour or Continuous). This provides users with the most appropriate data on their average ppm N O exposure in the working environment. -
Page 13: Peak Reading Operation
O Portable Monitor Operation 3.5 Peak Reading Operation In addition to displaying the current N O level, the monitor can also be set up to display its peak ppm measurement. The peak reading display is selected by using the 2ndUNIT function (page 13). PURGE 500pk 100ppm... -
Page 14: Battery - Charging And Using
When the monitor is first powered ON, all front panel lights turn ON and a splash screen appears showing the monitor’s current firmware revision level. After a brief moment the Warm Up screen is displayed along with the front panel ON light (green) blinking. BACHARACH WARM UP VERSION x.xx The monitor requires 15 minutes to warm up from a cold start;... -
Page 15: Function Screens
O Portable Monitor Operation During normal operation the Data Display screen shows when the monitor is performing the following two functions: MEASURE indicates that the monitor is actively measuring gas. In the screen shown above the monitor is currently detecting 100 ppm of N O gas. - Page 16 Operation O Portable Monitor • ALARM/FAULT – Alarm sounds when either the detected gas level exceeds the ALRMLVL value, or if a system fault occurs, as evidenced by the front panel ALARM (red) light or FAULT (yellow) light turning ON. •...
- Page 17 O Portable Monitor Operation – The Pressure Check function displays the current manifold P-CHK 14.07 AMB14.05 pressure and the stored ambient pressure in psia, along with the difference between these two pressures and the current fault code. Refer to -0.02dif <1000>...
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Page 18: Working With System Faults
Operation O Portable Monitor 3.10 Working with System Faults 3.10.1 Functional Overview If a system malfunction occurs (see Fault Code list, page 15), the front panel FAULT light will flash and the audible alarm, if activated (refer to AUDALRM function page 11), will start beeping. 3.10.2 Clearing / Silencing a Fault Alarm The FAULT light and audible alarm will automatically turn OFF after the cause of the fault has been eliminated. -
Page 19: Fault Codes
O Portable Monitor Operation 3.10.4 Fault Codes FAULT CODES ARE ADDITIVE. For example: <0200> Gain Set Fault: The digipot autotune A fault code of <0003> indicates that both a Box sequence has failed. This fault will only occur on Temperature Fault <0001> and a Bench Temper- first boot up or after a firmware upgrade. -
Page 20: Working With The Gas Alarm
Operation O Portable Monitor 3.11 Working with the Gas Alarm 3.11.1 Gas-Alarm Light If the detected gas level reaches the gas-alarm level as set by the ALRMLVL function, the front panel ALARM (red) light will flash and the audible alarm, if activated (refer to AUDALRM function on page 11), will start beeping. -
Page 21: First Diagnostic Screen
O Portable Monitor Operation 3.13.3 First Diagnostic Screen 4.20885v <0000> Bench Voltage Fault Code Detector Temperature °C ∗ Pressure Reading 29.05cD 14.58psi 0.00075n <0000> Noise Fault Code ∗ 35.40cB 14.59psi Box Temperature °C Pressure Reading In the First Diagnostic screen, the user can toggle between displaying Bench Voltage / Detector Temperature, and Noise / Box Temperature by pressing the Keypad Right button. -
Page 22: Working With The P-Chk Function
Operation O Portable Monitor 3.14 Working with the P-CHK Function 3.14.1 Overview The P-CHK function (Pressure Check function) (page 13) is useful to a service technician for troubleshooting a flow-fault problem. The monitor will trigger a flow fault if the pressure drop from ambient is less than 0.2 psi during a purge cycle, and 0.5 psi during a measurement cycle. -
Page 23: Print/Plot Logged Gas Levels
A printout or plot of the last 200 N O ppm measurements can be made by connecting the optional Bacharach printer and printer cable to the monitor as follows (refer to Section 5.1 for printer and cable part numbers): 1. For a printout or plot to be made, the monitor must have been set up to record gas measurements using the LOG INT function (page 12). -
Page 24: Downloading Stored Data To A Personal Computer
Operation O Portable Monitor 3.16 Downloading Stored Data to a Personal Computer Using the monitor’s PC DUMP feature (page 13), the last 200 N O gas readings that were stored in memory can be downloaded to a personal computer in ASCII text, comma-delimited format, which can then be imported into most spreadsheet programs for analysis. -
Page 25: Importing Saved Data Into A Spreadsheet
O Portable Monitor Operation 4. From the Data Display screen, press both the Keypad Left and Right buttons at the same time to display the first Function Menu screen. Next, use the Keypad buttons to move the arrow (>) until it points to PC-DUMP, and then press the ENTER button to begin the download process. 2ndUNIT PRINT PLOT... -
Page 26: Maintenance
Maintenance O Portable Monitor 4 Maintenance 4.1 Disassembly When servicing the parts inside the N O Monitor, disassemble the monitor’s metal chassis as follows: Items Required: Medium Phillips head screwdriver • Procedure: 1. Remove monitor and its battery pack from the soft carrying case. 2. -
Page 27: Internal Particulate / Hydrophobic Filter Replacement
O Portable Monitor Maintenance 4.2 Internal Particulate / Hydrophobic Filter Replacement Items Required: Replacement filter (P/N 0007-1654) • Medium Phillips head screwdriver • Procedure: 1. Disassemble the monitor’s metal chassis per Section 4.1. 2. See illustration below and locate the internal particulate / hydrophobic filter. 3. -
Page 28: Parts And Service
Parts and Service O Portable Monitor 5 Parts and Service 5.1 Replacement Parts & Optional Items Replacement Parts Item Description Part Number O Monitor 3015-4790 Replacement Battery Kit 3015-5739 Soft Carrying Case with Shoulder Strap 3015-5700 Bladder Bag Kit 3015-5325 Stainless Steel Probe 3015-5326 Filters:... -
Page 29: Service Centers
United States Bacharach, Inc. 621 Hunt Valley Circle New Kensington, PA 15068 Phone: 724-334-5051 Fax: 724-334-5723 Email: help@mybacharach.com Canada Bacharach of Canada, Inc. 20 Amber St. Unit #7 Markham, Ontario L3R SP4 Canada Phone: 905-470-8985 FAX: 905-470-8963 E-mail: bachcan@idirect.com Instruction 3015-4787... -
Page 30: Declaration Of Conformity
Declaration of Conformity O Portable Monitor 6 Declaration of Conformity Instruction 3015-4787... - Page 31 O Portable Monitor Notes: Instruction 3015-4787...
- Page 32 Headquarters: 621 Hunt Valley Circle, New Kensington, PA 15068-7074 Toll Free: 800-736-4666 • Tel: +1-724-334-5000 • FAX: +1-724-334-5001 Website: www.MyBacharach.com • E-mail: help@MyBacharach.com Printed in U.S.A. ® Registered Trademark of Bacharach Inc.
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