ABB LST100 Operating Instructions Manual page 22

8 Specifications
Measurement
Range
0.85 to 20 ft / 1.15 to 30 ft
Beam angle (@ –3dB)
5° (20 ft version) / 7° (30 ft version)
Accuracy
±½ in. or 0.25 % of full span (largest of the two)
Repeatability
±0.25% of measurement range
Mechanical data
Housing material
PVDF
Dimensions
Height – 122 mm (4.8 in.) minimum (excluding glands)
Diameter – 78 mm (3.07 in.) – excluding glands
Weight
1.0 kg (2.2 lb)
Cable entry type
One ½ in. threaded bore for cable gland, directly on housing
Supplied with 1 x ½ in. NPT cable gland
Electrical Data
Terminals
9 terminals for power supply and communication purposes
accommodating wire cross sections of up to 1 in. (14 AWG)
Power supply
3 terminals for power supply (PE/+/–): The LST100 operates
from 9 to 16 V DC and is protected against reversed polarity
Analog output (1 to 5 V)
2 terminals for analog output (+/–): 1 to 5 V related to level,
or full compensation for temperature effects
RS485 communication
2 terminals for RS485 communication (+/–): RS485
communication for setting parameters, monitoring
measurement results and diagnostics messages
Option for connecting ground
2 terminals as a jumper switch for ground earth. Connecting the
transducer to ground is optional and is done using this jumper.
22 OI/LST100-EN | LST100 – Ultrasonic level transmitter
Environmental data
Hazardous area approvals
Intrinsic Safety type of protection:
– Approval according to FM US and Canada
– IS Class 1 Div 1/GP ABCD- CL II/ DIV 1/ GP EFG, CL 1, Zone 1
Non Incendive type of protection:
– Approval according to FM US and Canada
– NI Class 1 Div 2/GP ABCD- DIP CL II/ DIV 2/ GP EFG, CL
1, Zone 2, AExnA IIC T6; IP66/67
Electromagnetic compatibility (EMC)
Meets requirements of EN 61326
Overvoltage strength (with surge protection): 2 kV
(according to IEC 61000-4-5)
Temperature
-40 to 185 °F, according to EN 60068-2-14, 1K/min, 100 cycles
Humidity
Relative humidity: Up to 100 %
Condensation, icing: Not permissible
Pressure
Measurement functional from –4 to 44 psi (–0.25 to 3.0 bar)
Vibration resistance
Acceleration up to 1 g at frequencies of up to 2,000 Hz
(according to IEC 60068-2-64)
Humid and dusty atmospheres (degree of protection)
LST100 is dust and sand-proof and protected against
immersion effects as defined by EN 60529 (1989) to IP 66/67
or by NEMA 4X