Remote Methane Leak Detector Datasheet

Detection Method: Tunable Diode Laser Absorption Spectroscopy (TDLAS)Measurement Range: 0 to 99,999 ppm-mSensitivity: 5 ppm-m at distance from 0 to 50 ft (15 m) 10 ppm-m or better at distance from 50 to 100 ft (15 to 30 m)Detection Distance: 100 ft (30 m) nominal. Actual distance may vary due to background type and conditions.Beam Size: Conical in shape with a 22” width at 100 ft (56 cm at 30 m)Detection Alarms Modes: Digital Methane Detection (DMD): Audible tone relative to concentration when detection threshold exceeded. Adjustable Alarm Level from 0 to 255 ppm-m Pure Tone: Continuous audio tone relative to concentrationSystem Fault Warning: Unique audible tone and indication on the displaySelf Test & Calibration: Built-in Self Test and Calibration function verifi es operation and adjusts laser wavelength for maximum sensitivity. Test gas cell integrated within carrying case.Compliance: EMC (EN61000-6-2, EN6100-6-4) Laser Eye Safety: IR Detector Laser: Class I (CDRH, ANSI and IEC) Green Spotter Laser: Class IIIa; Do not stare into beam or view directly with optical instruments. Display: Large easy to read backlit LCD (.75” Numeric) Operating Temperature: 0° to + 122° F (-17° to 50° C)Humidity: 5 to 95% RH, non-condensingEnclosure: IP54 (Water splash and Dust resistant)Instrument Weight: 9 lbs (Transceiver 3 lbs, Controller 6 lbs) (4 kg; 1.3 kg , 2.7 kg)Carry Case: 14 lbs; 34” x 9 ½” x 14” (6.4 kg; 86 cm x 24 cm x 36 cm)Power Supply: Internal rechargeable Li ion battery pack, 7.2 External backup battery optional Battery Operating Life: 8 hours at 32° F without back- light on (Internal battery)Battery Charging: External, in-line, 110 - 240 Vac, 50 / 60 hertz international, 2 cell charger Charging Indicator: Integrated into charger Charge Time, Maximum: 8 hoursShoulder Strap: Single over the shoulder padded strap with Ergonomic dual strap and belt systemTECHNICAL SPECIFICATIONS1-800-HEATH-US • www.heathus.comRMLD™RMLD-IS™RMLD-IS TECHNICAL SPECIFICATIONSIntrinsic Safety: Class I Division I Group D T4 UL 913 MetLab #E112840Power Supply: IS, internal, rechargeable, Li ion battery pack, 11.1 Vdc. Battery Charging: External, in-line, 110-240 Vac, 50 / 60 hertz, international, 18 Vdc power supply.ChargingIndicator: Integrated into controller panel.Charge TimeMaximum: 8 hours Instrument Weight: 10 lbs (Transceiver 3 lbs, Controller 7 lbs) (4.5 kg, 1.3 kg, 3.2 kg).Revolutionary Technology The portable, reliable Remote Methane Leak Detector (RMLD™) changed the way methane surveys are conducted. Instead of having to walk the entire length of the service line to check for methane leaks…the RMLD quickly and effi ciently detects leaks up to one hundred feet away allowing remote detection of hard-to-reach areas and diffi cult terrains. Remote detection allows the user to safely survey diffi cult to reach areas, such as busy roadways, yards with large dogs, locked gates, compressor stations, offshore platforms and other hard to access places. For utilities and their employees, this time-saving method represents the potential for signifi cant productivity gains, reduced operations and maintenance costs, and a safer survey.Tunable Diode Laser Absorption Spectroscopy Available gas detectors that deploy technologies such as fl ame ionization must be positioned within the leak plume to detect the presence of methane. The RMLD does not have to be within the gas plume because it uses laser technology known as Tunable Diode Laser Absorption Spectroscopy. When the laser passes through a gas plume, the methane absorbs a portion of the light, which the RMLD then detects. This quantum leap in technology makes it possible to detect methane leaks along the sight line without always having to walk the full length of the service line. Components The Remote Methane Leak Detector consists of two interactive components; a transceiver subsystem and a signal processing/user interface controller. The transceiver has two lasers; an infrared laser beam that is non-visible and is continuously on while the unit is turned on. The green spotter laser is similar to those used for presentation pointers and is turned on by the operator depressing the trigger button. How Does It Work? When the infrared laser beam is transmitted from the launch port some of the laser light is refl ected by a normal background such as brick, concrete, grass, etc., to the detector. This refl ected light is collected and converted to an electrical signal that carries the information needed to deduce the relative methane concentration. This signal is processed so that methane concentrations can be reported in parts per million meter or ppm-m. The laser has a maximum distance of 100 feet and is selective to methane only. It will not false alarm on other hydrocarbons.TMRMLD-ISInstrinsically Safe With its intrinsic safety rating the RMLD-IS opens a new realm of surveyapplications such as: • Offshore Platforms• Plant and Industrial Inspections• Compressor Stations• Production Facilities – gas gathering, drilling sites etc.• LNG Ship Inspections• First Responders for Leak Investigation• First Responders to Odor Complaints• Plant Inspections