SENSIT Technologies GAS-TRAC LZ-30 Instruction Manual
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Summary of Contents for SENSIT Technologies GAS-TRAC LZ-30
- Page 1 •T LZ-30 NSTRUCTION ANUAL 851 Transport Drive Phone: 888 4SENSIT SENSIT Technologies Valparaiso, IN 46383-8432 888 473 6748 is in compliance with 219 465 2700 ISO 9001:2008 Fax: 219 465 2701 www.gasleaksensors.com...
- Page 2 FOR YOUR SAFETY NOTICE This safety symbol is used to indicate a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. WARNING: Read and understand this manual fully before use. WARNING: Disassembly and maintenance is forbidden in explosive atmosphere.
- Page 3 FOR YOUR SAFETY CAUTION : Laser radiation. Avoid direct eye exposure. Class 3R laser product. ASER ARNING ABEL OCATION The laser warning label is located on the back of the instrument. Refer to the label pictured in the lower right for details. ASER PERTURES Page | 3...
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Page 4: Table Of Contents
CONTENTS Parts And Accessories ....................5 Standard Accessories (Included) ................... 5 Accessories And Replacement Parts ..................5 General Description ..................... 6 Specifications ....................... 7 Product Features ......................9 Beam Dimensions ....................... 10 Sensor Technology ....................11 Gas Detection ........................11 Distance Detection ...................... -
Page 5: Parts And Accessories
PARTS AND ACCESSORIES TANDARD CCESSORIES NCLUDED 330-00049 D-ring 360-00040 Wrist strap 750-00080 Instruction manual 871-00062 Charging Base 871-00063 Charging base power supply CCESSORIES EPLACEMENT ARTS 331-00155 Screw for D-ring 871-00064 Charging Kit (charging base + power supply) Page | 5... -
Page 6: General Description
GENERAL DESCRIPTION •T LZ-30 is a methane selective laser based gas detector. The device is based on world-leading photonic technology and is designed using the effect that methane gas absorbs a certain laser wavelength, and the absorbing strength is related to the concentration of the methane. The device is a handheld gas detector, for the remote detection of methane and gases containing methane (natural gas and naturally occurring sources of methane). -
Page 7: Specifications
SPECIFICATIONS Detection Technology: Tunable Diode Laser Absorption Spectroscopy (TDLAS) Methane Detection Range: 0-50,000ppm-m in 1ppm-m increments 5ppm•m ≤15m (50ft)/10ppm•m ≤30m (100ft) Sensitivity: @ ≥ 300ppm•m ≤0.1 seconds Response Time: 0.5m to 30m (1.5’ to 100’) Detection Distance: Distance may vary depending on reflection 0.2m to 30m (6”... - Page 8 SPECIFICATIONS Operational Temp: -20C to 50C (-4F to 122F) Storage Temp: -40C to 60C (-40F to 140F) ≤98% non-condensing Humidity: Enclosure: Designed to meet IP54 Intrinsic Safety: Designed to meet US and ATEX Weight: 300g (0.7lbs) 164mm (6.5”) x 78mm (3.0”) x 36mm (1.5”) Size: Power Source: Internal Lithium Ion, 2000mAh...
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Page 9: Product Features
PRODUCT FEATURES •T LZ-30 instruments are constructed of durable flame-retardant polycarbonate plastic to withstand the rigors of field use. The housing contains a rechargeable Lithium Ion battery, which is charged by inserting the instrument into the charging base. Open-path TDLAS technology ensures that gas detection is instantaneous, accurate, and methane specific up to a distance of 30m (100ft). -
Page 10: Beam Dimensions
PRODUCT FEATURES IMENSIONS •T LZ-30 produces a conical 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). -
Page 11: Sensor Technology
SENSOR TECHNOLOGY ETECTION •T LZ-30 uses open path TDLAS (tunable diode laser absorption spectroscopy) technology. The laser generates a specific wavelength of light that is sent through the gas monitoring area, partially absorbed by any methane source, and reflected back to the instrument by the reflection surface. The higher the methane concentration, the larger the absorption will be, resulting in a higher reading. -
Page 12: Explanation Of Ppm•M
EXPLANATION OF PPM•M •T LZ-30 displays its readings in parts per million meter (PPM•M). This is a representation of the average gas concentration over 1 meter, or roughly 3.3 feet. •T LZ-30 The detection laser of the measures the amount of light absorbed by a concentration of gas. -
Page 13: Battery Charging
BATTERY CHARGING •T LZ-30 has an internal, rechargeable lithium-ion battery pack, and includes a recharging base. This battery is not user replaceable. To recharge the internal battery, ensure that the charging base is plugged in and insert 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. -
Page 14: Operation And Use
OPERATION AND USE WARNING •T LZ-30 : When the is powered on, the laser module will be energized. MENU 1. Push and hold the button until the screen illuminates. The software version will be displayed during a brief warmup period (~15 seconds). - Page 15 OPERATION AND USE 5. Using the indication lasers, survey the area according to federal, state, municipal, and/or company procedures. Observe the readings on the display and any alarm conditions that should occur. In general, it is good practice to conduct surveys using an ‘S’ or ‘Z’ pattern. This both maximizes the area scanned as well as reduces the chance for false- negatives.
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Page 16: Operation And Use Tips
OPERATION AND USE TIPS Factors such as line of sight, wind, and sunlight conditions are not something that most operators have had to take into account in the past. This section •T LZ-30 gives a few tips and tricks for getting the most out of the NOTE : Federal, state, municipal, and/or company procedures supersede what is outlined in this section. -
Page 17: Shape Of The Detection Beam And Line Of Sight
OPERATION AND USE TIPS HAPE OF THE ETECTION EAM AND INE OF IGHT •T LZ-30 Since the uses a point of light for targeting, it can be easy to forget that the actual detection path is in the shape of a cone, which starts from a point (the instrument) and gets wider on the path to the target. -
Page 18: Wind Conditions And Plume Size
OPERATION AND USE TIPS ONDITIONS AND LUME Since the path of the laser has to pass through the methane plume for detection, wind conditions can greatly affect how the instrument operates, unless you are targeting the actual source. Because of this, especially when scanning a large area, it makes sense to have a plan of attack. -
Page 19: Locating Targeting Laser
OPERATION AND USE TIPS OCATING ARGETING ASER With bright sunlight, the targeting laser may be difficult for some to see. This is unfortunately a downside of any technology of this nature. There are a few things that can help with this. One thing that might help in this scenario is to begin tracking the laser from a location where you can see it clearly. -
Page 20: Calibration Check (Bump Test)
CALIBRATION CHECK (BUMP TEST) •T LZ-30 To verify the accuracy of any , a bump test must be performed. This is done using the calibration cell, which is built into the hard carrying case. A sensor that does not meet the specifications listed in this manual may •T require calibration or repair. -
Page 21: Calibration
NOTE: If instead failed is displayed, the calibration was unsuccessful. Attempt calibration again. Any instrument that cannot be successfully calibrated should be taken out of service. Please contact Sensit Technologies for further assistance. Page | 21... -
Page 22: User Menu
USER MENU The user menu gives the user access to the calibration menu and various settings, including the alarm point and turning the indication lasers on or off. MENU To access the user menu, press and release the button from the work CALIBRATION display. -
Page 23: Set Alarm
USER MENU LARM Allows the user to adjust the alarm threshold. By default, this is 500ppm•m. DOWN ARROW To adjust, use the buttons until the desired number is reached. Adjustments are made in increments of 100ppm•m, 1%LEL•m, or 0.1%VOL•m, depending on the unit display setting. Once correct, press and MEASURE release the button to save the setting and return to the work display. -
Page 24: Set Green Laser
USER MENU REEN ASER Toggles whether the green targeting laser is on or off during measurement. This laser is only used for targeting purposes, to assist the user, and does not DOWN ARROW affect the gas or distance measurement. Use the buttons MEASURE to change between... -
Page 25: Calibration
USER MENU ALIBRATION WARNING : Using calibration kits other than recommended by Sensit Technologies may cause inaccurate readings. Repairs are required if the instrument fails to calibrate. Consult the factory for details. Calibrates the instrument using the built-in calibration cell in the carrying case. See the calibration section in this manual for instructions on how calibrate the instrument. -
Page 26: Maintenance And Care
Do not point the instrument at the sun, as this could damage the optics or the laser modules. Only use the wall transformer supplied by SENSIT Technologies for use with the charging base. Using other transformers may damage the base or the instrument. -
Page 27: Notes
NOTES Page | 27... -
Page 28: Warranty
Service Dept. for warranty or repair. This warranty gives you specific legal rights and you may have other rights which vary from state to state. SENSIT Technologies 851 Transport Drive Valparaiso, IN 46383...
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