Siemens SITRANS WW300 Manual de Instruções - Página 8
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Specifications
Accuracy
1
• ± 0.5%
Operating temperature
• -10 to +40 °C (+14 to +104 °F)
Materials
• mild steel with stainless steel [304 (1.4301) or 316 (1.4401)], abrasive resistant
contact parts optional
Load cells
• two corrosion resistant platform type with mechanical overload protection
• non-linearity:
• non-repeatability:
Speed sensor
• industrial duty, digital optical encoder, tail shaft mounted
Framework
• cantilevered painted mild steel structural frame for quick and easy belt
replacement
Pulleys
• 200 to 500 mm (8 to 20"), crowned with 6 mm (¼") rubber lagging on drive pulley for
maximum traction, 200 to 500 mm (8 to 20") crowned tail.
Idlers
• heavy-duty 100 mm (4") CEMA C with precision ground ball bearings and triple
labyrinth seals for longer life, CEMA D, E, impact where required
1.
Accuracy subject to: On factory approved installations the weigh feeder system's
totalized weight will be within the specified accuracy when compared to a
known weighed material test sample. The test rate must be within the specified
range of the design capacity and held constant for the duration of the test. The
minimum material test sample must be equivalent to a sample obtained at the
test flow rate for three revolutions of the belt or at least ten minutes running
time, whichever is greater.
Page 4
SITRANS WW300 - OPERATING INSTRUCTIONS
± 0.03%
± 0.02%
7ML19985MQ01