Lufft CHM 8k, Руководство пользователя, Страница: 41 / 72

Operating Manual CHM 8k
R1.7 / 01-2020
Communication via RS485 & Ethernet 41
Variables
Variable Type Dim. Unit Long description Scaling
time double time seconds since
1904-01-01
00:00:00.000
00:00 End time of measurement
(UTC)
range float range M Distance from device
(independent of direction
and height of installation
site)
range_hr float range_hr M Distance from device for
high-resolution data
layer int layer Index of layers
latitude float degrees_north Latitude of installation site
longitude float Degree Longitude of installation site
azimuth float Degree Azimuth angle of device
(laser direction)
zenith float Degree Zenith angle of device
(laser direction)
altitude float M Altitude of ceilometer above
mean sea level
wavelength float Nm Laser wavelength in nm
range_gate float M Range resolution of data
range_gate_hr float M Range resolution of high-
resolution data
life_time int time H Laser operating hours
error_ext int time 32-bit status code
state_laser byte time Percent Laser quality index
state_detector byte time Percent Quality of detector signal
state_optics byte time Percent Optical quality index
temp_int short time K Internal temperature 0.1
temp_ext short time K External temperature 0.1
temp_det short time K Detector temperature 0.1
temp_lom short time K Temperatur of laser optic
module 0.1
temp_las short time K Laser temperature 0.1
humidity short time Percent Humidity (at main
controller) 0.1
laser_pulses int time Number of laser pulses
averaged per record (lp)
laser_power short time mW Laser output power (l) 0.001
p_window short time Window reflex 0.01
p_cal short time Calibration pulse (for
normalization of detection
sensitivity over time) 0.01
p_ref short time Calibration pulse (PIN
detector; for normalization
of detection sensitivity over
time) 0.01