background image

851 Transport Drive 
Valparaiso, IN 46383-8432 

SENSIT Technologies 
is in compliance with 
ISO 9001:2008 

Phone: 

888 4SENSIT 

 

888 473 6748 

 

219 465 2700 

 
Fax: 

219 465 2701 

 
www.gasleaksensors.com 

 

 

I

NSTRUCTION 

M

ANUAL

 

Summary of Contents for GAS-TRAC LZ-30

Page 1: ...51 Transport Drive Valparaiso IN 46383 8432 SENSIT Technologies is in compliance with ISO 9001 2008 Phone 888 4SENSIT 888 473 6748 219 465 2700 Fax 219 465 2701 www gasleaksensors com INSTRUCTION MANUAL ...

Page 2: ...ns and testing methods WARNING Continuously low calibration check results may indicate sensor end of life or failure Consult SENSIT Technologies with any questions CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure CAUTION Do not point the instrument towards the sun or other extreme sources of light heat ...

Page 3: ...er radiation Avoid direct eye exposure Class 3R laser product LASER WARNING LABEL LOCATION The laser warning label is located on the back of the instrument Refer to the label pictured in the lower right for details LASER APERTURES ...

Page 4: ...aid Option 12 Sensor Technology 13 Gas Detection 13 Distance Detection 13 Explanation Of PPM M 14 Battery Charging 15 Operation And Use 16 Operation and Use Tips 18 Investigating Through Windows 18 Shape of the Detection Beam and Line of Sight 19 Shape of the Detection Beam and Line of Sight 20 Wind Conditions and Plume Size 21 Locating Targeting Laser 22 Calibration Check Bump Test 23 Calibration...

Page 5: ...7 Set Green Laser 27 Set Unit 27 Distance Units 28 3 Tier Alarm 28 Language 29 Reset 29 Smart Link Live Setup Firmware 4 1 or newer 30 Maintenance and Care 32 Notes 33 Requirements Under WEEE Regulations 35 Warranty 36 ...

Page 6: ...for units with shock protective boot 872 00035 Hard Carrying Case for units with shock protective boot 882 00150 SN Calibration Bump Test Cell ACCESSORIES AND REPLACEMENT PARTS 871 00062 Charging Base for units without shock protective boot 871 00063 Multi Blade Power Supply for Charging Base 871 00072 Charging Base for units with shock protective boot 871 00064 Charging Kit charging base power su...

Page 7: ... of laser light to the testing target a concentration result can be read immediately within a distance of 0 5 to 30 meters By sending the beam of the laser to the target destination the device measures the laser signal returned from the target destination The methane concentration along the reflected beam path will be calculated and displayed In addition the GAS TRAC LZ 30 measures the total dista...

Page 8: ...ange may vary slightly depending on reflection Beam Dimension Conical 20cm diameter at 30m 8 at 100 Alarms Adjustable threshold alarm with baseline Visual audible and tactile vibrating motor Default 100ppm m Warnings Low Reflection High Reflection Low Battery High Methane Calibration Self check Built in self test bump test and calibration with test cell incorporated in carrying case Laser classifi...

Page 9: ...60C 40F to 140F Humidity 98 non condensing Enclosure Designed to meet IP54 Intrinsic Safety Designed to meet US and ATEX Weight 300g 0 7lbs Size 164mm 6 5 x 78mm 3 0 x 36mm 1 5 Power Source Internal Lithium Ion 2000mAh Battery Life 6 Hours Continuous Recharge Time 3 to 4 Hours ...

Page 10: ...g base Open path TDLAS technology ensures that gas detection is instantaneous accurate and methane specific up to a distance of 30m 100ft The operator will be given real time gas readings on an easy to read OLED display displayed in ppm m by default along with a distance measurement for the current target The alarm comes in the form of an audible tone a visual indication via a red backlight on the...

Page 11: ...cal beam of laser light that starts from the front of the instrument and gradually spreads as the distance increases At the maximum detection distance 30m this beam is 8 in diameter This is depicted in the image below not to scale 4 at 15m 50ft 8 at 30m 100ft Point Source ...

Page 12: ... compatible with Smart Link Live the LZ 30 must have firmware version 4 1 or newer displayed on startup Access to licensing for the SMART LINK LIVE app can be purchased along with the GAS TRAC LZ 30 when an order is made for a new instrument If you already own a GAS TRAC LZ 30 and want access to the app contact SENSIT Technologies to obtain licensing for your instrument Then search Smart Link Live...

Page 13: ...ument to detect gas remotely simply by pointing at the target anywhere from 0 5 to 30 meters away from the operator DISTANCE DETECTION There is a separate laser that is used specifically for distance detection It sends a laser pulse to the target in a narrow beam and measures the time taken from when it leaves the instrument to when it returns from the reflection surface Using this time measuremen...

Page 14: ...y of this nature is a great indication tool and can be used to pinpoint the source of a leak by comparing readings it cannot be used to quantify a gas leak See the diagram to the right On the top there is a gas plume 0 5 meter in length with a concentration of 2 000 ppm methane On the bottom there is a gas plume 1 meter in length with a concentration of 1 000 ppm methane The GAS TRAC LZ 30 will se...

Page 15: ...the instrument into the base bottom first Contacts on the bottom of the instrument touch spring loaded pins in the bottom of the charging base to make an electrical connection The LED on the front of the charging base indicates the charging status Solid Green Red flicker No connection Solid Red Instrument charging Solid Green Instrument fully charged Charging takes approximately 3 to 4 hours if th...

Page 16: ...is called the work display a Upper left Distance measurement b Upper right Fuel gauge c Center Current methane reading d Lower left Peak methane reading e Lower right Measurement unit scale 4 A bump test can be performed before each use See the Calibration Check Bump Test section on page 22 of this manual for more information 5 To begin an investigation press and release the MEASURE button During ...

Page 17: ... is not getting an appropriate amount of reflected light Be aware that not all surfaces may be suitable for reflection NOTE The relative signal strength of the reflected signal is indicated on the display next to the fuel gauge 8 If at any time the instrument displays HIGH METHANE this is an overload message indicating that you are detecting gas greater than the upper detection limit of the instru...

Page 18: ...his type of a scenario follow these steps 1 Maintain an angle of attack that is less than 90 to your target and ideally between 45 and 75 This is depicted in the image to the right This greatly reduces the chance of what is known as specular reflections which is when a portion of the laser reflects off of the surface of the window It is also especially helpful for double pane windows where the las...

Page 19: ... surface than another This is known as beam skipping The operator will get the most consistent results if he she keeps as much of this beam in over the target as possible In the picture to the right beam not to scale part of the beam is partially blocked by the fence potentially causing reduced sensitivity or in some cases false positives The operator should simply move slightly to the left ensuri...

Page 20: ...perator and the plume can potentially affect the reading because the beam expands with distance Realistically though it is unlikely to cause a noticeable effect due to the gas plume naturally dispersing over a relatively large area Where this might be more noticeable is if the operator is far away from a very small pinpoint leak Most of the beam will not be hitting the plume and will lower the rea...

Page 21: ...ill be detected because a much larger portion of the user s field of view or scan able area will contain gas The picture below shows an example with a top down view If the user is scanning the entire area there is a greater chance for detection in the crosswind case because a larger portion of the field of view contains gas Anywhere the LZ 30 is moved across the frame the plume will be detected Ho...

Page 22: ...racking the laser from a location where you can see it clearly For example point the instrument at the ground in front of your feet and gradually sweep it forward away from you to your target Your eyes will have a much easier time following a moving target than finding a missing one Additionally the operator can use laser enhancement glasses This can increase the contrast of the targeting laser ma...

Page 23: ...w may require calibration or repair Any time it is suspected that the GAS TRAC LZ 30 is not working properly perform a bump test Power on the instrument and allow the warmup process to complete before proceeding STEP 1 Place the instrument in the carry case Ensure both the instrument and calibration cell are fully seated Ensure there are no obstructions in the path between the instrument and cell ...

Page 24: ...instrument until Pass is displayed in step 5 STEP 2 Press and release the MEASURE button to begin a measurement Allow the unit to read for a few seconds STEP 3 Press and release the MEASURE button again to stop the measurement The current reading of the calibration cell will remain on the screen STEP 4 Press and release the on menu button to enter the user menu CALIBRATION 2000 PPM M should be sho...

Page 25: ...u is not accessible if the measurement function is activated NOTE Some options in the user menu are password protected They are noted as such above each description Contact SENSIT Technologies if you need to make adjustments to these settings To scroll through this menu continue to press and release the ON MENU button The arrow buttons will adjust change the current setting on the screen To exit t...

Page 26: ...assword protected This menu allows the user to adjust the alarm threshold By default this is 100ppm m To adjust use the UP and DOWN ARROW buttons until the desired number is reached Adjustments are made in increments of 10ppm m 1 LEL m or 0 01 VOL m depending on the unit display setting Once correct press and release the MEASURE button to save the setting OK will be displayed Press and release the...

Page 27: ...d for targeting purposes to assist the user and does not affect the gas or distance measurement It is recommended to leave this on Use the UP and DOWN ARROW buttons to change between ON and OFF Press and release the MEASURE button to save the setting OK will be displayed Press and release the ON MENU button to scroll to the next menu item or press and release the OFF BACK button to exit the menu S...

Page 28: ...cted This menu allows the user to choose between having a 2 tier or 3 tier alarm system By default and when this setting is OFF there will only be two stages to the alarm 50 and 100 of the threshold When the setting is ON there will be three stages to the alarm 20 50 and 100 of the threshold At each stage the frequency of the vibration and audible alarms will increase NOTE It is not recommended to...

Page 29: ...on to exit the menu RESET Password protected WARNING Use this function with caution and only if you are sure you want to restore default settings WARNING Calibration must be performed after use of this function This menu resets the settings to factory defaults Use the UP and DOWN ARROW button to toggle between NO and YES If you want to reset to factory defaults toggle to YES and then press and rel...

Page 30: ...he app The first screen shown will be an empty list of devices To search for devices hit the button in the upper right of the screen 3 On initial setup your GAS TRAC LZ 30 will be shown as Atmosic Bridge because no serial number has been assigned to it yet Below that will be a list of letters and numbers separated by colons which is the Bluetooth ID If you have multiple LZ 30s you may need to use ...

Page 31: ... the box that pops up back label of instrument and hit OK 5 The app will search for your location to enable GPS readings and will then be ready to use 6 Turn on the measurement on the LZ 30 by pressing and releasing the MEASURE button Live readings will automatically start to appear on screen ...

Page 32: ...contacts at the bottom of the instrument as clean as possible Any dirt build up may impede charging If dirt builds up and needs to be cleaned do not use a conductive brush to do so as this will damage the battery If the body of the instrument needs to be cleaned use an all purpose cleaner such as Simple Green Avoid solvents such as acetone or any other chemical that could damage ABS plastic Do not...

Page 33: ...33 NOTES ...

Page 34: ...34 NOTES ...

Page 35: ...e re use and recycling at the end of life Sensit Technologies LLC has met its national obligations to the EU WEEE Directive Sensit Technologies LLC has also elected to join WEEE Compliance Schemes in some countries to help manage customer returns at end of life If you have purchased Sensit Technologies LLC branded electrical or electronic products in the EU and are intending to discard these produ...

Page 36: ...neglect or improper maintenance Proof of purchase may be required before warranty is rendered Units out of warranty will be repaired for a service charge Internal repair or maintenance must be completed by a SENSIT TECHNOLOGIES authorized technician Violation will void warranty Units must be returned postpaid insured and to the attention of the Service Dept for warranty or repair This warranty giv...

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