Omega | FTB-420 Series | Owner Manual | Omega FTB-420 Series Owner Manual

Omega FTB-420 Series Owner Manual
FTB-420 Series
Low Flow Turbine
M-5171/1112
Prior to Installation,
c onfi rm s ys t em v ers us s e ns or s pe c i f i c at i ons an d m edi a c om pat i bi l i t y of s e ns or. T he s ys t em
needs to be fi l tere d to 50 m i c rons pri or to the s ens o r, and pul s es / w at er ham m er ef f ec t s s houl d be m i ni mi zed t o prev e nt
uni t dam age. Obs erv e arro w o n bottom of uni t f or c orrec t i nl et and out l et po rt . S ens or c an be m ount ed i n an y hori zon t al ,
v erti c al , or s k ew ed ori entati o n. C orrec tl y i ns tal l ed , t he s e ns or w ork s m ai nt enanc e -f ree.
Installation
1/4" N P T U ni ts : A ppl y a s pars e am ount of th rea d s eal a nt (P erm at e x " N o Mo re L eak s " ® ) or T ef l on® t ape t o m al e t hr eads .
Ins ure that s e al ant do es not ent er i nto the turbi ne and b eari ng i nt ernal ar ea. H an d -t i ght en uni t i n pl ac e. T urn an addi t i o nal 1/4 tur n to p rov i de s eal . If s e al l eak s , turn an a ddi t i onal 1/ 4 t urn unt i l l eak s t ops . D o not e x ceed o ne ad di ti onal t ur n
total.
G 1/4 U ni ts : G 1/4 uni ts m ate wi th a fl at fac e s eal w as he r (7 0 s hore, 7 m m ID , 13 m m O D , 2, 0 m m t hi ck ) s i m i l ar t o a g arden hos e ar rang em ent. T hi s arr angem ent r equi r es no s eal ant s ; hand -t i ght eni n g s ho ul d be s uf f i c i ent f or s e al i ng.
Electrical/Output Signal
T he output s i g nal i s a s qu are w av e s i gnal , wh os e f r eque nc y v ar i es l i nearl y wi t h f l o w rat e. A n e x t ernal p ul l -up r es i s t or
(us er -s uppl i ed ) i s req ui red t o i n s ure that the o pen c ol l ec t or wi l l s i nk l es s t han 20 m A .
T he produc t i s des i g ned a nd m anufac tu red i n ac c orda nc e wi t h S ound E ngi ne eri ng P rac t i c e a s def i ned b y t h e P res s ur e
E qui pm ent D i rec ti v e 97/23/E C . T hi s produc t m us t not be us ed as a “s af et y ac c es s o r y” as def i ned b y t he P res s u re E qui pm ent D i rec ti v e, A rti c l e 1, P arag raph 2. 1.3. T he pres enc e of a C E Ma rk on t he uni t does n ot rel at e t o t he P res s ure E qui p m ent D i rec ti v e.
Specifications
Important Points:
P roduc t m us t be m ai ntai ned a nd i ns tal l e d i n s t ri c t ac c ord anc e wi t h
the N ati on al E l ec tri c al C ode an d O ME GA tec h ni c al broc hur e a nd i ns truc ti on bul l eti n. F ai l ure to obs erv e thi s wa rni ng c o ul d res ul t i n s eri ous i nj uri es o r dam ag es .
P res s ure and tem per ature l i m i tati ons s h o wn on i n di v i dual c at al og
pages a nd d ra wi ngs f or the s pe c i fi ed fl ow s ens ors m us t
not be e xc eed ed.
S el ec ti on of m ateri al s f or c om pa ti bi l i t y wi th the m edi a i s c ri t i c al t o t he
l i fe and operati o n of O ME GA fl ow s ens ors . T ak e c are i n t he prope r
s el ec ti on of m ateri al s of c ons t ru c ti on; parti c ul a rl y wet t ed m at eri al s .
Fl o w s ens ors h av e b een des i gn ed to res i s t s hoc k and v i brat i o n ; ho wev er, s hoc k and v i b rati on s houl d be m i ni m i zed.
Li qui d m edi a c ontai ni n g p arti c ul ate an d/or deb ri s s ho ul d b e f i l t e red t o
ens ure pro per o pera ti on of O ME GA produc ts .
Fl o w s ens o rs m us t not b e fi el d r epai red.
P h ys i c al dam age s us t ai ned b y t he prod uc t m a y ren der i t uns er v i c eabl e.
Wetted Parts
Body: Nylon 12
Turbine: Nylon 12
Composite Bearings: PTFE/15% Graphite
Operating Pressure
350 psi (24 Bar)
Burst Pressure
1400 psi (100 Bar)
Operating Temperature
-4° to 212°F (-20° to 100°C)
Viscosity
32 to 80 SSU (1-15 Centistokes)
Filter
< 50 Microns
Input Power
5-24 VDC @ 8 mA
Output
NPN Sinking Open Collector @ 20 mA, Max.
Accuracy
± 3% of Rdg. Normal Range
Repeatability
0.5% FS Normal Range
Electrical Connection
Din Connector (2 Poles + Ground)
Wiring Diagram
Dimensions
10K - 30K Ohms
Customer Supplied
.86”
(22mm)
1.78”
(45 mm)
Flow Ranges
Pulses
Frequency
Part Number
Port
GPM
LPM
Per Gallons
Per Liters
Output
FTB-421G
G 1/4
0.03 - 0.66
0.1 - 2.5
83200
22000
37 - 917 Hz
Nylon 12
FTB-421
1/4” NPT
0.03 - 0.66
0.1 - 2.5
83200
22000
37 - 917 Hz
Nylon 12
FTB-422G
G 1/4
0.03 - 0.66
0.1 - 2.5
83200
22000
37 - 917 Hz
Nylon 6
FTB-422
1/4” NPT
0.03 - 0.66
0.1 - 2.5
83200
22000
37 - 917 Hz
Nylon 6
240328 rev B
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