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FV102傳感器-美國Omega原裝詳細介紹
FV102
Vortex Shedding Flowmeter and Temperature Transmitter
No Moving Parts to Jam
1/4 FNPT to 4" Line Sizes
Bright LED Display
Individual 4 to 20 mA Outputs for Flow and Temperature
SPST SSR Alarm(s)
Description
The FV101 Series comprises in-line flowmeters that use the vortex shedding measuring principle. The fluid strikes a bluff body, imparting alternating vortices downstream of the bluff. This creates a pressure on a sensor body containing a piezoelectric crystal. The frequency of the sensor is proportional to the velocity of the fluid and is amplified and converted to a 4 to 20 mA output signal. Vortex technology yields a meter with no moving parts to hang up or wear. The meter has a bright 7.62 mm (0.3") high LED display of flow in either liters or gallons. The FV101 Series can be used with non-viscous,clean, or dirty waterlike liquids that are compatible with brass, PVDF,and FKM. Measured fluids should not contain long fibers or a high level of abrasive solids. These meters are ideal for cooling loops using water or 50% glycols, and for water-soluble machine coolant (upto 10%). These applications are found in most process industries, including rubber, steel, fabrication, manufacturing, refining, paper, chemical, food, petrochemical, and power. Do not use on flammable liquids or on gases such as air.
SPECIFICATIONS
Flow
Accuracy: ±5% FS
Repeatability: ±0.25% FS
Alarm Deadband: 5% FS
Response Time: User selectable from 0.9 to 7.5 seconds
Max Flow: Over range occasionally up to 125% of capacity
Temperature
Accuracy: ±1% FS
Response Time: 450mS time constant
Alarm Deadband: 2%
Display: 3-digit, 7.62 mm (0.3") high numeric LED that flashes below setpoint
Maximum Operating Pressure:
2" and Smaller: 20 bar (300 psig)
3 and 4": 13 bar (200 psig)
Operating Temperature: 2 to 66°C (35 to 150°F)
Enclosure Rating: IP65; Type 1, 3, 4, 12, and 13
Analog Output: 4 to 20 mA (600 Ω @ 24 Vdc)
Electrical Connection:
FV100 Units (Flow Only): 5-pin micro male connector
FV100-T Units (Flow/Temperature): 8-pin male micro connector
Alarm Output: SPST SSR, NO or NC operation, selectable; dual alarms for flow/temperature units
FV101 and 102:250 mA @ 30 Vdc up to 66°C (150°F)
FV103 thru 108:125 mA @ 30 Vdc up to 66°C (150°F); reduced current rating at higher temperatures
Power: 10 to 30 Vdc @ 80 mA
Wetted Parts: Brass, PVDF and FKM seals; 316 SS bodies available for special order on 1/4 to 1/2" sizes, contact Flow Engineering for details
Installation: 10 pipe diameters upstream and 5 downstream recommended
Flowmeter
Model No. |
Flowmeter/
Temperature
Transmitter
Model No. |
Fittings |
Flow Range (gpm) |
Max
Pressure
Drop
psid |
Weight
kg (lb) |
| Min |
Max |
| FV101 |
— |
? FNPT |
0.4 |
4 |
9.2 |
1.3 (2.8) |
| FV102 |
— |
? FNPT |
1.2 |
12 |
3.6 |
1.2 (2.6) |
| FV103 |
FV103-T |
? FNPT |
2.5 |
25 |
3.6 |
2.9 (6.3) |
| FV104 |
FV104-T |
1 FNPT |
5 |
50 |
9.5 |
2.7 (5.9) |
| FV105 |
FV105-T |
1? FNPT |
10 |
100 |
4.8 |
5.9 (13) |
| FV106 |
FV106-T |
2 FNPT |
20 |
200 |
4.9 |
4.8 (10.5) |
| FV107 |
FV107-T |
3" ANSI RF |
30 |
300 |
1.3 |
19 (42) |
| FV108 |
FV108-T |
4" ANSI RF |
60 |
600 |
1.3 |
25 (55) |
FV102
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