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| ALVT |
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The SMC ALVT flow sensor is based upon Von Karman theory of vortices. This theory states that vortices generated by a bluff body in the pipe that are linearly proportional to the volumetric flow. The highly versatile ALVT Series of flowmeters contian no moving parts and offer excellent accuracy, repeatability and value. Process connections include insertion-type with hot-taped mounting, flange, or wafer connections. The standard configuration provides local indication for flowrate and total flow as well as 4~20mA analog outputs. The electronics are designed to filter out erroneous signals as well as noise due pipe vibration. This style of flowmeter is ideal for saturated and superheated steam, as well as dirty or wet gas applications. |
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| FEATURES |
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 Simplified setup and diagnostic functions.
No moving parts.
4~20 mA and pulse outputs; HART, MODBUS and RS 484 outputs.
Accommodates a wide array of line sizes: ½”~80” (15~1200mm).
High temperature operation up to 660 °F (350 ℃).
Non-volatile memory for setup and calibration.
Field adjustable low flow cut-off option.
Comes standard with upright/opposite flowrate test function.
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| SPECIFICATION |
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| Process Connection : flanged (standard), Insertion (fixed and |
Housing protection : IP65; IP67; IP68 |
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adjustable) type, Wafer style. |
Ex-protection : Exid ⅡB T4; Exib ⅡC T 4 |
| Process temperature : -30~ +140 °F (-35~ +60 ℃) with LCD |
Cable: 30' (10 meters) free for remote version |
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display; 23~ +140 °F (-5~ +60 ℃) with LCD display |
weight (approximate) : |
| Operating pressure : 230 psig (16 bar) up to 930 psig custom |
Wafer : 22~30 lbs (10 kg~13kg) to 12" nom. |
| Velocity Range : Depends on fluid, pressure and temperature |
Insertion: 33 lbs (15 Kg) |
| Material : SS304 (housing) , CS (standaed flang) |
Notes: Flange weight contact factory |
| Liquids : ≤ 0~40 feet/sec (0~12m/s) |
Signal Interface : RS232 & RS485, HART |
| Gas & Steam : ≤12 feet/sec (3.5m/s)-gas; 230 feet/sec |
Display units : m3/h |
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(70m/s)- steam |
Keypad : Rate, Total |
| Accuracy : 1.0% for liquid, 1.5% for gas, 2.5% for insertion type |
Power supply : 110/220 VAC or isolated 14~36 |
| Repeatability : 0.33% for liquid, 0.5% for gas, 0.83% for insertion |
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VDC |
| Turn down ratio : 10:1 |
NIST traceable : No |
| Signal output : Puls output, Two wire with 4~20mADC, RS485, |
Data storage : EPROM storage up to 5 years |
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Hart, ModBus |
Data logger : Reading, sampling times 0.5s |
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RAM Back-up : Lithium Battery, 3.6VDC |
