Introduction

SEIS-UK maintains 28 1-second LE-3Dlite Lennartz sensors. These are available "unsupported", and without any data logging system. Much of the information in this page is from Lennartz Electronics GmBH, where more information on these sensors, and their potential uses, can be found.

Specification

Total number 28
Digitiser none
Masses Three orthogonal masses (XYZ). No mass locking.
Eigenfrequency 1Hz, 80Hz
Output constant 400 V/m/s
Damping 0.707
Power supply +9V to +16V
Power consumption 8mA at 12V DC (typical)
Diameter 95mm
Height -15°C to 60°C
Weight 1.8kg

Shipping information

The Lennartz sensors are shipped in plastic, non waterproof, padded cases. For most deployments these are shipped in boxes containing five lennartz cases. They can, however, be provided singly.

Instrument box dimensions 360mm x 320mm x 135 mm
Instrument box volume 0.016 cubic meters
Instrument box weight 3.4kg

 

 

 

Links

  Lennartz electronics GmBH

 

 image: detail of lennartz sensors top plateimage: lennartz sensor, side viewimage: lennartz sensor in packing materialimage: lennartz packing case