Tecfluid SC250H Manual do Utilizador

SC250H / SC250V Variable area flowmeter Series Instructions Manual R-MI-SC250HV Rev.: 0 English Version The following user manuals are included: A

DN D k g l x n B PN Flanges A C L 15 95 65 45 14 x 4 16 40 116 45 250 25 115 85 68 14 x 4 18 40 124 45 250 40 150 110 88

WARRANTY Tecfluid S.A. GUARANTEES ALL ITS PRODUCTS FOR A PERIOD OF 24 MONTHS, after consignment, against all defects in materials and workmanship. Thi

2 TABLE OF CONTENTS 1 WORKING PRINCIPLE ... 3 2 RECEPTION ...

3 1 WORKING PRINCIPLE The series SC250H & SC250V of variable area flowmeters consists of a metering tube, a calibrated orifice inside it, a conica

4 4 OPERATION Once the meter is installed, the regulator valve should be opened slowly. The fluid flow will move the float which, through magnetic cou

5 So that flowmeter works at the calibration pressure (nominal working pressure) and to obtain a back pressure that will maintain the float equilibriu

6 5 MECHANICAL MAINTENANCE Check that the float (5) and the calibrated orifice (4) are in perfect mechanical condition. They should not have any hit o

7 6.2 Indicator housing If operating anomalies are detected with the meter, the following points should be checked. If necessary disassemble the front

8 7 TECHNICAL CHARACTERISTICS Accuracy (VDE / VDI 3513): ± 2,5% of full scale value. On order: ± 1,6% of full scale. Range ability: 10: 1 Sca

9 7.2 Optional transmitters: TH5: Transmitter with analog output and pulse output. 2 wire connection. • Power supply: 12 to 36 VDC • Outpu