Dwyer FS Instrukcja Użytkownika Pobierz pdf (Strona 2)

wires to solder lugs and determine the orientation A, B, or

C, snap the connector back together, pull excess wires

out of strain relief, and tighten strain nut. Plug into electric

housing and secure with screw.

DWYER INSTRUMENTS, INC.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46361, U.S.A. Fax: 219/872-9057 e-mail: info@dwyer-inst.com

ELECTRICAL INSTALLATION

The module can only switch loads that consume between

2.5 and 90 watts, or have 5000Ω to 150Ω impedence

respectively. If the load draws less than 2.5 watts, a 0.47

uF loading capacitor is required. This capacitor will

increase the power consumption and ensure complete

conduction. See Figure 3. Wiring according to Figure 3

will provide conduction over 15-20% of full scale, above

or below the flow rate set point. For loads greater than 90

watts, see Figures 4 and 5.

CAUTIONS

WARNING: Due to incompatibility,

Polysulfone flow meters SHOULD

NOT be used for monitoring the

following fluids: ACETONE, ALCOHOL,

BENZENE, CARBON DISULFIDE, FREON 11,

KEROSENE, LIQUID PROPANE, NAPHTHA,

AND PERCHLOROETHYLENE.

Other chemicals may also be incompatible with

Polysulfone. When in doubt, the meter should be tested in

a non-critical application under low pressure conditions to

determine compatibility. Also note that some chemicals

become more aggressive when heated. An acceptable

application may become unsafe at elevated temperatures.

CAUTION: These flowmeters are unidirec-

tional devices. The piston acts as a check

valve to block flow in the reverse direction,

causing an excessive pressure differential

which could result in damage to internal

components.

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Dwyer FS Instrukcja Użytkownika Strona 2