• Search for illicit trafficking plutonium
  • Nuclear waste inspection
  • Capable of monitoring even smaller amounts of plutonium
  • He-3 proportional counter tube


  • Monitoring of neutron radiation field intensities
  • Portable neutron survey meter with extremely high sensitivity
  • The LB 6414 can be used in combination with UMo II LB 134



  • The software uses sophisticated algorithms for the detection of changes in the observed counting rates
  • Optimized for neutron measurements up to 1000 keV
  • Also be useful in neutron dose rate monitoring

Technical Data

Neutron Survey Meter LB 6414 
Neutron energy rangeoptimized for 10 keV to 1000 keV
Dimensions probe

310 mm x 180 mm x 130 mm (L x W x H)

Weight of probe3850 g
Typical background rate0.06 cps

Detection limit

(distance 1 m)

75 g weapon´s plutonium in 5 s

(confidence level 95%)

Universal Monitor UMo LB 134 
Displaymonochrome LCD 192 x 64 pixel Electro-luminescence illumination
Measurement modesratemeter, scaler-timer, search mode
Data memory2400 measured values with date & time
Weight1400 g (with batteries)
CommunicationUSB (1 device, 1 host for memory stick), RS 485
Protection classIP 53 (according to IEC 60529)