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Introduction 

N

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O Portable Monitor 

2

 

Instruction 3015-4787

 

1.5.2  Combustible/Flammable Gas Warning 

Combustible/Flammable Gas Warning:  

This is NOT a safety 

device.  Some gases which this instrument can detect may be 

combustible/ flammable.  When properly configured, this instrument 

is designed to alarm at concentrations that are lower than the 

explosive limit of the gas.  As such, it is the buyer’s responsibility to 

initiate an immediate planned response to any gas leaks as soon as 

they are detected.  This equipment should NEVER be used to 

measure or sample gases at or above their respective lower explosive 

limits. 
 

1.5.3  Explosive Atmosphere 

Explosive Atmosphere:  

Do not operate this equipment in the 

presence of flammable liquids, vapors or aerosols. Operation of any 

electrical equipment in such an environment constitutes a safety 

hazard. 

 

1.5.4  Misuse and Modifications to Monitor 

The protection provided by the monitor may be impaired if the monitor is used in a manner not specified 

by these instructions. Changes or modifications to this monitor will void the warranty. 

1.5.5  Altitude Limit 

6,562 ft (2,000 m) 

1.5.6  Cleaning 

Clean the outside of the monitor’s case using a dry cloth — 

DO NOT

 use soap and water. 

 

1.6  Unpacking and Initial Checks 

Your N

2

O Portable Monitor was carefully inspected at the factory before shipment, and packed so as to be 

highly resistant to damage while in transport. When you receive the instrument, however, please unpack 

it promptly and make a visual inspection to make sure that no damage has occurred during shipment. Also 

check that all the following items have been received.    

Item 

Qty.  Part Number 

N

2

O Portable Monitor 

3015-4790 

External Filter Assembly 

3015-5324 

Soft Carrying Case with 

Shoulder Strap 

3015-5700 

Battery Pack & Charger 

3015-5739 

Stainless Steel Probe 

3015-5326 

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

). 

 

Summary of Contents for 3015-4790

Page 1: ...table Monitor Portable Area Gas Monitor PAGM with Infrared Sensor for N2O Gas Instruction 3015 4787 Operation Maintenance Rev 8 February 2013 Product Leadership Training Service Reliability Patent 6 5...

Page 2: ...N AND ACCEPTED IN LIEU OF I ANY AND ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND II ANY OBLIG...

Page 3: ...al 6 3 3 Gas Detector Operation 6 3 4 Time Weighted Average TWA Operation 8 3 4 1 Overview 8 3 4 2 Starting a New or Continuing TWA twa 8 3 5 Peak Reading Operation 9 3 6 Leak Detector Operation 9 3 7...

Page 4: ...ta to a Personal Computer 20 3 17 Importing Saved Data Into a Spreadsheet 21 4 MAINTENANCE 22 4 1 Disassembly 22 4 2 Internal Particulate Hydrophobic Filter Replacement 23 5 PARTS AND SERVICE 24 5 1 R...

Page 5: ...ich if not correctly performed or adhered to could result in personal injury or death 1 3 Caution Statements The use of the word CAUTION in this manual denotes a potential hazard associated with the u...

Page 6: ...f the monitor is used in a manner not specified by these instructions Changes or modifications to this monitor will void the warranty 1 5 5 Altitude Limit 6 562 ft 2 000 m 1 5 6 Cleaning Clean the out...

Page 7: ...Overview The Bacharach Nitrous Oxide N2O Portable Monitor is designed to detect measure and display the concentration of N2O gas in the area being monitored To ensure accurate gas measurements the mon...

Page 8: ...to 50 C Ambient Humidity 5 to 90 RH non condensing Altitude Limit 6 562 ft 2 000 m Power DC power pack provides 8 12 hours of operation Power Consumption 15 Watts Front Panel 3 Indicator lights ON Gre...

Page 9: ...ing onto the elbow connector and attach the elbow onto the Gas Sample Port on the front of the monitor as shown in the illustration below The gas sample line can be up to 50 ft 15 2 m in length All tu...

Page 10: ...filter To connect the exhaust line to the exhaust port s PTC fitting firmly push the appropriate tubing into the hole in the center of the connector until it seats in the connector Refer to the figur...

Page 11: ...ir bag The purge cycle runs for 10 seconds The monitor will operate for approximately 40 minutes before the purge air bag needs refilled When the message PURGE AIR EMPTY appears take the monitor to a...

Page 12: ...ll continue to be updated twa lower case letters is continuously calculated over the operating time of the monitor This mode is useful for monitoring an area for a few minutes or more and is the prefe...

Page 13: ...ndby Mode When taken out of standby the monitor is ready for operation without waiting an additional 15 minutes to warm up While in standby the monitor will stop taking gas samples and stops purging i...

Page 14: ...firmware revision level After a brief moment the Warm Up screen is displayed along with the front panel ON light green blinking The monitor requires 15 minutes to warm up from a cold start after whic...

Page 15: ...ugh the displayed data or to change a parameter associated with that function Press ENTER to save any newly entered parameters Press the ESC button to return to the previous screen without saving Note...

Page 16: ...PPM Log can be cleared per Section 3 11 LOG INT Sets the interval at which measurements are logged to memory from 1 to 9999 minutes Factory default is 1 minute The logged measurements can be viewed us...

Page 17: ...ed to appear in the upper right hand corner of the Data Display Screen NONE Blank Peak PPM Peak gas reading Cont twa Time Weighted Average calculated on a continuous basis 8hr TWA Time Weighted Averag...

Page 18: ...rough the fault log In the screens shown to the left record 03 shows that a Sample Flow Fault fault code 0800 occurred on 07 11 05 at 08 17 while record 04 shows that the fault was cleared on 07 11 05...

Page 19: ...minated with gas Take monitor to a clean air area and use the EMTYBAG and FILLBAG functions several times to decontaminate the purge air bag 0200 Gain Set Fault The digipot autotune sequence has faile...

Page 20: ...level the audible alarm will reactivate 3 12 Clearing the PPM Faults Data Up to 200 gas measurements and 30 fault events are stored by the monitor To clear stored data first display the data to be cl...

Page 21: ...isk The purge valve can be opened and closed by pressing the Keypad Left button An asterisk appears on the display when the purge valve is open causing the monitor to draw air from its purge air port...

Page 22: ...d closed Note that an asterisk appears when the purge valve is open causing the monitor to draw air from the purge air bag The Keypad Down button toggles the pump ON and OFF Pressing the ENTER button...

Page 23: ...s using the LOG INT function page 12 2 Interconnect the RS 232 connectors located on the printer and monitor 3 If not already done refer to the printer manual and set the printer s communication param...

Page 24: ...to be made as follows a Click Start click Run In the Run box type hypertrm exe and click OK The New Connection dialog box should appear b Type in a New Connection Name such as N2O Click OK to select...

Page 25: ...eadsheet A text file that was created as described in Section 3 17 can be imported into spreadsheet programs that are capable of importing comma delimited files The following describes how to generate...

Page 26: ...or 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 Unplug battery pack...

Page 27: ...ement 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...

Page 28: ...ft 0003 6182 Replacement Pump 3015 4239 Battery for main PCB board 0204 0020 Replacement Bench Kit 3015 5247 Optional Accessories Item Description Part Number IrDA Printer Kits Parts Accessories 120...

Page 29: ...tacting any of the following Bacharach 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...

Page 30: ...Declaration of Conformity N2O Portable Monitor 26 Instruction 3015 4787 6 Declaration of Conformity...

Page 31: ...N2O Portable Monitor Instruction 3015 4787 27 Notes...

Page 32: ...unt 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 Trademar...

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