Laser Ace 100 - lz1asl/CaveSurvey GitHub Wiki

Device

GIS rangefinder device with ocular. Works also in environment with magnetic noise. Each shot gives all 3 distance/angle/declination measurements. The range is up to 600m.

https://www.trimble.com/mappingGIS/laserace1000.aspx or here.

Protocol

Protocol is plain text NMEA where each message may contain distance, angle and inclination.

Example:

$PTNLA,HV,0.60,M,291.1,D,-1.12,D,0.60,M*61
$PTNLA,HV,,M,287.5,D,-1.11,D,,M*61
$PTNLA,HV,1.87,M,343.2,D,17.02,D,1.96,M*77
$PTNLA,HV,1.58,M,341.5,D,9.15,D,1.60,M*40
$PTNLA,HV,1.60,M,356.2,D,8.59,D,1.62,M*41
$PTNLA,HV,1.62,M,351.5,D,8.45,D,1.64,M*48

See https://www.trimble.com/mappingGIS/laserace1000.aspx, http://www.hhhh.org/wiml/proj/nmeaxor.html

Bluetooth is COM based and passive, messages are broadcasted to paired devices.

Usage

• Configure the survey project in meters and degrees
• All measurement types over Bluetooth