Product Delsar LifeDetector Mini

Used by FEMA, UKSAR, SUSAR and rescue teams from around the world, the Delsar Life Detector is seismic/acoustic listening device to detect and locate live victims trapped in:

  • Collapsed structures caused by earthquakes
  • Explosions
  • Landslides
  • Mine disasters or cave-ins

The Delsar LifeDetector Mini is a two sensor seismic/acoustic listening device designed specifically for hasty searches. This compact kit can be quickly deployed on the rubble pile to convert the entire collapsed structure into a large sensitive microphone that transmits noises from entombed victims. Utilizing the same features and functionality as the Delsar LifeDetector LD3, the Delsar Mini is equipped with two sensors — two seismic sensors and one acoustic sensor.

"With limited options available for search equipment, Searchcam, Delsar units are options that work.   1. It’s field proven, 2. It’s a standard in the U.S. USAR environment as well as outside the U.S, 3. Inter operability within USAR agencies. "
-- Rexford Ianson, Search Team Manager/Task Force Leader, California Task Force 3

Delsar LifeDetector Mini Features

  • Easy-to-Read Clear Display Panel
  • Equipped with up to 2 Sensors
  • View simultaneously the strength from all sensors to ID the strongest signal
  • Noise Reducing Filters for better audio quality
  • Lithium Ion Batteries compatible with SearchCam 3000 

 Delsar LifeDetector Mini Accessories

  • Delsar Victim Simulator - DVS-100
  • Telescoping Tube Set for Acoustic Sensor - LD3-TT

Delsar LifeDetector Mini Specifications

Control Console  
Sensor Inputs 2 strings
Seismic Sensor 2
Acoustic Sensor 1
Visual Display Up to all two sensors simultaneously
Audio Output 1 headphone outputs
Frequency Range 1 Hz - 3000 Hz
Filter range  
Low: High pass 100 Hz >
AC Notch 50/60 HZ
High: Low pass 600 Hz<
Record Capacity 300 second loop, indexed to 15 second blocks
Auxiliary Output Provides audio, chart recorder and remote control function capability
Seismic Sensor  
Position sensitivity Can be used in any position
Sealing IP67 (water and dust tight)
Shock resistant >1000g
Freq. response 1 Hz to 3000 Hz
Acoustic Sensor  
Sealing IP67 (water and dust tight), microphone must be dry for operation
Freq. response 200 Hz to 3000 Hz
Options Telescoping Probe
Type Disposable Lithium cells (CR123)with adapter
Endurance 2 - 6 hours depending on number of sensors  
Optional Kit Rechargeable Lithium Ion tube pack, battery charger, power supply and power cord
Control Console 3"W x 3.55" H x 6" D (152mm x 127 mm x 83mm)
Weight 1lbs (1Kg) without disposable battery tube
Seismic Sensor 3.5" Diameter x 2.6"H (89mm x 66mm)
Weight 16.5 oz (.466Kg)
Acoustic Sensor 1.625"D x 6"L (41mm x 152mm)
Sensor Cable Length 30.2 feet (10M)
Case 21"L x 15"W x 7"D (81cm x 53cm x 31cm)
Weight (loaded) 25 lbs (11.3Kg)

 Delsar LifeDetector Mini Comparison

   LD 3 LD3 Mini 
 Type of Search  Extensive  Hasty
 Seismic Sensors  6  2
 Acoustic Sensors  2  1
 Sensor Display  2
 # Headphones  2  1
 Frequency Range  1 HZ - 300HZ  1 HZ - 300HZ
 Recording Capacity  5 minutes  5 minutes
 Length of Batteries  2-6 Hours  2-6 Hours
 Length of Batteries  Lithium Ion  Lithium Ion
 Telescoping Probe  No  No


 Delsar Customers

  • City of Baltimore, Baltimore, MD
  • City of St. Charles, St. Charles, MO
  • City of Tempe, Tempe, AZ
  • Kansas City Fire Department, Kansas City, MO
  • Emergency Management, Las Vegas, NV
  • City of Sacramento, Sacramento, CA
  • Town of Hampton Fire Department, Hampton, NH
  • Pennsylvania USAR, Harrisburg, PA
  • Heavy Rescue Task Force, St. Charles, MO
  • Illinois Fire Service Institute, Champaign, IL
  • City of Plano, Plano, TX
  • Portland Office of Emergency Management, Portland, OR
  • City of Anaheim, Anaheim Hills, CA
  • San Ramon Valley Fire, San Ramon, CA
  • Oklahoma City Fire Training, Oklahoma City, OK
  • County of San Bernardino, San Bernardino, CA
  • Flagstaff Fire Station, Flagstaff, AZ
  • Calhoun Fire Department, Calhoun, GA
  • Fire & Rescue, Jacksonville, FL
  • Alamo Fire Department, Alamo, TX
  • Haltom City Fire Department, Haltom City, TX
  • Indianapolis Fire Department, Indianapolis, IN
  • Park Forest Fire Department, Park Forest, IL
  • Northwest Fire District, Tucson, AZ
  • Kansas City Fire Department, Kansas City, MO
  • Grand Rapids Fire Department, Grand Rapids, MI
  • Lorain County EMA, Oberlin, OH
  • Department of Homeland Security – FEMA USAR
  • Orange County Fire Authority, Foothill Ranch, CA
  • City of Senatobia, Senatobia, MS
  • Independence Fire Department, Clarkson, MI
  • City of High Point, High Point, NC
  • City of Tucson, Tucson, AZ
  • Madison County Commission, Huntsville, AL
  • City of Glendale, Glendale, AZ
  • City of South Jordan, South Jordan, UT
  • Pittsfield Township Fire Department, Ann Arbor, MI
  • Charlotte Fire Department, Charlotte, NC
  • Allegheny County EMA, Pittsburg, PA
  • State of Florida, Ocala, FL
  • Emergency Services, Spokane, WA
  • Florence Police Department, Florence, AL
  • Bucks County Emergency Management, Ivyland, PA
  • Tupelo Fire Department, Tupelo, MS
  • City of Williamsport, Williamsport, PA
  • Town of Friday Harbor, Friday Harbor, WA
  • Houston Fire Department, Houston, TX
  • City of Montgomery, Montgomery, AL
  • City of Appleton, Appleton, WI
  • Township of Woodbridge, Hopelawn, NJ
  • TEEX – USAR, College Station, TX
  • Heavy Rescue Task Force, St. Charles,MO
  • City of Chandler, Chandler, AZ
  • County of Marathon, Wausau, WI
  • City of Glendale, Glendale, Ca
  • City of Stamford, Stamford, CT
  • Rochester Fire Department, Rochester, MN
  • City of Montebello Fire, Montebello, CA
  • City of Los Angeles, Los Angeles, CA
  • Blair County 911, Altoona, PA
  • City of Downey, Downey, CA
  • City of Dallas, Dallas, TX
  • Portland Fire, Portland, OR
  • County of Santa Barbara, Santa Barbara, CA
  • San Francisco Fire Department, San Francisco, CA
  • City of Anaheim, Anaheim Hills, CA
  • Ingham County Sheriff’s Office, Mason, MI
  • City of Los Angeles, Los Angeles, CA
  • Cuyahoga County EMS, Cleveland, OH
  • County of Orange, Silverado, CA
  • Charlotte Fire Department, Charlotte, NC
  • Fresno City Fire Department, Fresno, CA
  • City of Tulsa, Tulsa, OK
  • City of Memphis, Memphis, TN
  • Oklahoma City Fire Training, Oklahoma City, OK
  • Orange County Fire Authority, Foothill Ranch, CA
  • City of Chattanooga, Chattanooga, TN
  • Department of Natural Resources, Benton, IL
  • Broward Sheriff Office Fire TR, Ft. Lauderdale, FL
  • Alabama Heavy Rescue, Madison, AL
  • County of Ventura, Oxnard, CA
  • Seminole County Training CTR, Longwood, FL
  • Corpus Christi FD, Corpus Christi, TX
  • Vancouver Fire & Rescue, Vancouver, BC
  • City of Vernon, Vernon, CA
  • City of Bothell Fire & E.M.S., Bothell, WA
  • Orange County, Orlando FL
  • City of Marin, Nicasio, CA
  • Westchester County Emergency Services, Valhalla, NY
  • Yonkers Fire Department, Yonkers, NY
  • Augusta Fire Department, Augusta, GA
  • Orlando Fire Department, Orlando, FL
  • Palm Beach County Fire & Rescue, Palm Beach, Fl
  • Clearwater Fire & Rescue, Clearwater, FL
  • City of Lubbock, Lubbock, TX
  • Fire Training School, University of Kansas, Lawrence, KS
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