■
Overview
SITRANS LU10 is an ultrasonic long-range level monitor for liq-
uids and solids, offering 10-point monitoring in a single unit.
Handheld programmer shown is an accessory and must be or-
dered separately.
■
Benefits
• Ten point, long-range level monitoring
• Automatic level-to-volume conversion for standard or custom
tank shapes
• Dolphin Plus and SmartLinx
®
compatible
• Backlit LCD display with reading in standard engineering units
• Easy to install, easy to program using removable infrared key-
pad (optional)
■
Application
It can be used in a wide range of applications to scan liquids,
solids or a combination of both contained in vessels of differing
size, shape and configuration up to 60 m (200 ft).
SITRANS LU10 uses ultrasonic technology to measure level,
space, distance, volume or average/differential. Transducers
can be mounted up to 365 m (1200 ft) from the monitor. The
SITRANS LU10 features patented Sonic Intelligence
®
echo pro-
cessing software for superior reliability. Readings are displayed
in user-selectable linear engineering units on the LCD.
SITRANS LU10 will connect to a DCS or PLC using Siemens
SmartLinx
®
interface modules, giving you remote 2-way commu-
nication and full parameter access. Modules for popular indus-
trial buses can be factory installed or added later to meet chang-
ing needs. No external gateway is required, reducing hardware
and cabling costs.
• Key Applications: chemical storage, liquid storage, bulk sol-
ids storage (sugar, flour bins, grains, cereals), plastic pellets,
tank farms
■
Technical specifications
Mode of operation
Measuring principle Ultrasonic level measurement
Measuring range
Max. 0.3 ... 60 m (1 ... 200 ft)
Measuring points
Max. 10
Output
Ultrasonic transducer Echomax
®
series, ST-H transduc-
ers
Relays
• SITRANS LU SAM module
(option): 20 alarm/control relays
• SPDT Form C relays, rated 5 A at
250 V AC, resistive load
mA output
SITRANS LU A0 module (option):
0/4 ... 20 mA, optically isolated
• Max. load
750 Ω, isolated
• Resolution
0.1 % of range
Accuracy
Error in measurement 0.25 % of range or 6 mm (0.24"),
whichever is greater
Resolution
0.1 % of measuring range or
2 mm (0.08"), whichever is
greater
Temperature compensation
-50 ... +150 °C (-58 ... +302 °F)
• Integral temperature sensor
• External TS-3 temperature
sensor (expandable to 10 inputs
with optional TIB-9 card)
• Programmable fixed
temperature
Rated operating conditions
Ambient conditions
• Ambient temperature for enclosure -20 ... +50 °C (-4 ... +122 °F)
Design
Weight 2.7 kg (6 lbs)
Material (enclosure)
Polycarbonate
Degree of protection (wall mount)
IP65/Type 4X/NEMA 4X
Electrical connection
Ultrasonic transducer RG62-A/U coaxial cable with low
capacitance
Signal transmission
2-core copper conductor, twisted,
shielded, 0.5 ... 0.75 mm²
(22 ... 18 AWG), Belden
®
8760 or
equivalent is acceptable
Electrical connection and relay con-
nection
Copper conductor according to
local requirements,
rated 250 V 5 A
Synchronization
Up to 16 LU10 units can be syn-
chronized together
Power supply
100/115/200/230 V AC ± 15 %,
50/60 Hz, 31 VA
Displays and controls
51 x 127 mm (2 x 5") graphics
LCD with backlighting
Memory
EEPROM (non-volatile), no
backup battery required
Programming
Using removable programmer
(ordered separately) or Dolphin
Plus (option)
Certificates and approvals
• CE, C-TICK, FM, CSA
US/C
,
ATEX II 3D
• Lloyd’s register of Shipping
(Categories ENV1, ENV2, ENV3
and ENV5)
(264 Seiten)
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