2 Wire Transmitter - W3
 
Economical single package solution for monitoring flow to a remote control room. A solid state strain gauge senses the differential pressure directly which provides a loop powered 4-20mA signal proportional to flow squared (r²).
 

                                       Standard                          Optional
Accuracy:           
Horizontal Flow:   ± 3% above 15% F.S.
Vertical Flow:      ± 3% above 15% F.S.
Repeatability:      ± 1% F.S.
Pressure Max.:    180 psig (12.6 kg/cm²)        
Pressure Min.:     10 psig (0.67 kg/cm²)       10 psig (0.67 kg/cm²)
Temp. Max.:       212ºF (100ºC)                              N/A
Temp. Min.:        -30ºF (-34ºC)                               N/A
Electrical Rating:
    
Ambient Temp.:     120ºF (50ºC)
Current Output:      4-20mA into 650 ohms max.   
Requirement:
Power Input:           100mA, 24Vdc per meter (Not Included)
Protect from freezing liquid
 
Construction Specifications:
 
Housing:                Aluminum
Body:                    Bronze                           Monel,  316SST
Seals:                   Buna-N                           Viton, EPR, Teflon
 
Hazardous Location Classification (IS Option):
CSA / NRTL: Ex ia IIC T3
                            Class 1, Groups A,B,C,D
                            Class 2, Groups E,F,G
         LCIE / CENELEC: EEx ia IIC II 1G, Zone 0
Atex Certificate     CSA Certificate     Declaration of Conformity 
Intrinsic Safety (Add Option IS to W2 or W3) Only
 

A     Viton Seals
B     EPR Seals
B2   Teflon Seals
C     Calibrated for Specific Gravity
E     Non-Standard Flow Rate
ES   Low Rate (Below 2 GPM)
I       Compressed Gas Service
R2   Remote Readout, Bronze
R3   Remote Readout, 316 SST
V     High Viscosity Service (500 cps max.)
W3   4-20mA Output (Square Root) Signal
-EM  Electromagnetic Compatibility ( 89/336/EEC)  -IS    Intrinsic Safety (Atex Certified 94/9/EC)

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