Siemens SITRANS WW310 Betriebsanleitung - Seite 11

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Technical data

3.1

Specifications

Accuracy

Operating range

Belt speed

Operating

temperature

Materials

Load cells

Speed sensor

Framework

Pulleys

Idlers

Belting

Belt tension

Belt cleaning

Drive

Shipping Weight

Approvals

SITRANS WW310

Operating Instructions, 03/2014, A5E33490433-AA

± 0.5 %

Accuracy subject to: On factory approved installations, the weighfeeder 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.

10 to 100%

0.005 ... 0.36 m/s

(1 ... 70 fpm)

-10 to +40 °C

(+14 to +104 °F)

Mild steel with stainless steel, abrasive resistant contact parts optional

Two corrosion resistant single point, platform type with mechanical overload

protection, Nickle plated IP66 rated, Stainless steel IP67 rated.

Non-linearity:

Non-repeatability:

Industrial duty, digital optical encoder, tail shaft mounted

Cantilevered painted mild steel structural frame for quick and easy belt

replacement

200 mm (8") OR 300 mm (12") crowned with 6 mm (¼") min rubber lagging on

drive pulley for maximum traction, 200 mm (8") OR 300 mm (12") crowned tail.

Heavy-duty 100 mm (4") CEMA C with precision ground ball bearings and triple

labyrinth seals for longer life, CEMA D or E optional

Heavy duty endless type for maximum weighing accuracy, SBR, Butyl and Nitrile

material types, B-section, flanges or corrugated side wall options

Screw type, telescoper module with 150 mm (6") travel on 8" pulley style, or

229mm (9") travel on 12" pulley style

Spring tensioned UHMW blade at head pulley

UHMW return plow at tail pulley

Totally enclosed three phase AC inverter duty rated motor with hollow bore shaft

mounted gear reducer

410 kg (900 lbs) minimum

For use in hazardous rated areas, consult with factory. Note that only electrical

components are rated and entire weighfeeder is not.

± 0.03%

± 0.02%