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RCM Transmitters
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| Economical
single package solution includes sensor and transmitter: |
| Differential Pressure measuring principle
avoids problems associated with sticking floats and plugging
passages. |
| Solid state strain gauge senses differential
pressure directly. |
| Low maintenance design with no moving
parts. |
| Designed for use with computer control
systems or remote readouts. |
| Signal is proportional to flow rate
squared (rē). (Square root extraction is required in the receiving
device.) |
| Intrinsic safety option for Class
I Div. I, Groups A,B,C,D; Class II Div 1, Groups E,F,G; EExia
IIc T4 (CSA and Cenelec approvals pending). |
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| Specifications: |
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| Accuracy ± 3% F.S. above 15%
F.S. |
| Ambient Temperature Limit 120°F,
50°C |
Current
output 4-20mA into 650 ohms max |
| Requires 24VDC power supply (25mA). |
| Aluminum NEMA-4X / IP-66 enclosure. |
| Optional W3 2-Wire Flow Transmitter (shown) |
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| Transmitters |
| Option |
4-wire
(option W, Y, Z) |
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2-wire
(option W2, W3) |
| Accuracy Horizontal
Flow |
±3% F.S. above
30% F.S. |
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±3% F.S. above
15% F.S. |
| Accuracy Vertical
Flow |
±5% F.S. above
30% F.S. |
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±3% F.S. above
15% F.S. |
| Ambient temp
limit |
120°F | 50°C |
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120°F | 50°C |
| Current output |
4-20 mA into 800 ohms
max. (linear with flow) |
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4-20 mA into 650 ohms
max. (350 ohms with option R) (current proportional
to flow rate squared) |
| Contact rating
(option X, Z) |
3.0 amp @ 24 V, 1.0 amp
@ 117 V, 0.5 amp @ 230 V |
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n/a |
| Frequency output
(option Y) |
1000 Hz F.S. 5 V peak,
270 us on time |
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CSA Approved Intrinsically Safe Entity |
| Electrical rating |
General Purpose |
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Ex ia IIC: Class I, Zone 0: Cl. I, Groups A,B,C,D; Cl. II, Groups E,F G. Temp Code T3 at Tamb 50o C |
| Power input |
24 Vdc, 100 mA |
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24 Vdc, 25 mA |
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