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SITRANS LH300 (7MF1575..) Transmitter for hydrostatic level
A5E37897183-AA, 09/2016
17
Measuring accuracy (according to EN 60770-2)
Zero point and measuring
range
0.05% of measuring range per 10K
Long-term stability
Zero point and measuring
range
0.15% of full-scale value/year
Effect of auxiliary power supply 0.01% per 1 V voltage change
Rated conditions
Installation conditions
Ambient conditions
•
Ambient temperature
–
Altitude
–
Relative humidity
-10 … +80 °C (-4 … +176 °F)
Max. 2 000 m above sea level
0 to 100%
Note
Observe the temperature class in hazardous areas.
Storage temperature
-20 to +80 °C (-4 to +176 °F)
•
Degree of protection
according to EN 60529
IP68
•
Electromagnetic
compatibility
Interference emission and
interference immunity
To EN 61326-1 and EN 61326-2-3
Process medium conditions
•
Process medium
temperature
-10 … +80 °C (-4 … +176 °F)
Pressure transmitter construction
Weight
•
Pressure transmitter
•
Cable
Approx. 0.4 kg (0.88 lb)
0.08 kg/m (approx. 0.059 lb/ft)
Material
•
Wetted parts materials
Housing
Stainless steel material No. 1.4404/316L or 1.4539/904L
Sensor
Ceramic AI
2
O
3
(99.6%)
Cable
PE-HD, FEP
Protective cover
PPE, ETFE, stainless steel (1.4404/316L or 1.4539/904L)
Sealing material
FPM, EPDM (for drinking water)
Electrical connection
Lengths: 3, 5, 10, 15, 20, 30, 40, 50, ..., 1000 m
The maximum permissible cable length for devices with type of protection "Intrinsic
safety Ex i" is 300 m.
Torque for cable gland nut
made of
Plastic
2.5 Nm (1.8 ft lb)
Cable box 7MF1575-8AA construction (accessory)
Field of application
For connecting the transmitter cable
Weight
0.2 kg (0.44 lb)
Electrical connection
2 x 3-way (cable diameter from 1 mm
2
to 1.5 mm
2
)