levr
LIM-05 user manual
Dated 25/5/2017
http://www.levr.pl/
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Number of monitored alarm loops ................................................................................. 4
Maximum length of the alarm wire ....................................................... 3518 m · VOP)
1
Location measurement resolution ............................................................±0.23 m · VOP
Range of VOP values ................................................................ 0.300–1.000 (30–100%)
Location error ........................................................................................................... ±1 m
Input impedance of the instrument ........................................................................ 200
Ω
Indication of faults ................................................................... red LED (every channel)
Measurement pulse characteristics:
Duration ............................................................................... 12.5 ns, 25 ns, 50 ns, 75 ns
Voltage amplitude (unloaded output) .......................................... adjustable: 4.8–14.6 V
Method of measurement information display .................... LCD screen, 128x240 pixels
Method of presentation of measurement results ...................................... annotated chart
Method of instrument programming .................................... 16 numerical/function keys
Voltage measuring range ................................................................................ ±2047 mV
Maximum measurement sensitivity ............................................................... 1 mV/pixel
Sensitivity threshold voltage range ............................................................... 1–1024 mV
Dead time range .............................................................................................. 1–255 min
Methods of communication with external devices:
Alarm output .............................................. volt-free relay contacts (capacity 1 A/60 V)
Digital transmission ............................................................................................ RS232C
Radio transmission (optional) ............................................... GSM transmission module
Supply voltage ............................................................................................. 230 V 50 Hz
Power drawn from the power supply network ............................................... up to 6 VA
Operating temperature range ...........................................................................0 to +50°C
Relative humidity ............................................................................................. up to 80%
Housing protection rating ........................................ IP54 (IP65 available upon request)
Electrical protection of measuring inputs ............................................. 250 V (AC+DC)
Appliance class ............................................................................................................. B
Dimensions ...................................................................... 262 mm x 235 mm x 143 mm
)
1
–
(VOP) speed of propagation of the measurement pulse in the alarm wire in relation to the speed of light
propagation in vacuum. This value is specified in percentage (from 0 to 100%) or in relative quantities (from
0.00 to 1.00).
EZUP “LEVR” s.c.
03-193 Warsaw
ul. Krzy
ż
ówki 5
tel./fax: +48 22 639 85 66
e-mail:
www.levr.pl