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Sensyflow FMT400-VTS/-VTCS

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Sensyflow FMT400系列
用于过程气体测量或者卫生型应用要求

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Sensyflow FMT400-VTS/-VTCS is a compact mass flow meter for gases and gas mixtures. It is available as Sensyflow FMT400-VTS/-VTCS for use in process applications, and as Sensyflow FMT400-VTS/-VTCS with an hygienic design. The 24 V powered instrument supplies
0(4)..20mA directly from the sensor head. Sensyflow pipe accessories ensure the sensor is located in the optimum position within the process.

0(4)..20 mA directly from the sensor
very low installation costs
huge turn-down ratio of 1:100
quick response time
Certifications: CSA, DVGW, CE, Ex Zone 2

2 Specifications

Type

FMT400-VTS

FMT400-VTCS
Hygienic version

Measured variable (measured gases)

Flow of gases and gas mixtures with known composition

Flow of air, N2, CO2, O2

Measuring ranges
Nominal diameters (DN)
DN 25
DN 40
DN 50
DN 65
DN 80
DN 100
DN 125
DN 150
DN 200
Up to 3000 mm

qmin                          qmax
kg/h                   kg/h
0         ...               160
0         ...               430
0         ...               700
0         ...            1,200
0         ...            1,700
0         ...            3,000
0         ...            5,100
0         ...            8,000
0         ...          13,000
0         ...     2,700,000

qmin                             qmax
Nm3/h                  Nm3/h
For 0 °C (32 °F) /
1013.25 hPa (14.696 psia)
0           ...                120
0           ...                330
0           ...                540
0           ...                940
0           ...             1,300
0           ...             2,300
0           ...             3,900
0           ...             6,200
0           ...           10,000
0           ...      2,100,000

qmin                       qmax
kg/h                kg/h
0         ...          160
0         ...          430
0         ...          700
0         ...       1,700

qmin                             qmax
Nm3/h                  Nm3/h
For 0 °C (32 °F) /
1013.25 hPa (14.696 psia)
0           ...              120
0           ...              330
0           ...              540
0           ...           1,300

(rectangular ducts and larger diameters on request)

Measuring ranges
Nominal diameters (inch)
1,0
1,5
2,0
3,0
4,0
6,0
8,0
120,0

qmin                          qmax
lbs/h                  lbs/h
0         ...               310
0         ...               840
0         ...            1,400
0         ...            3,500
0         ...            6,000
0         ...          16,500
0         ...          28,500
0         ...    6,000,000

qmin                             qmax
SCFM                  SCFM
For 15 °C (59 °F) /
1013.25 hPa (14.696 psia)
0           ...                  65
0           ...                180
0           ...                310
0           ...                760
0           ...             1,300
0           ...             3,600
0           ...             6,200
0           ...      1,300,000

(rectangular ducts and larger diameters on request)

Notes regarding measuring ranges

The above values are reference values for applications involving air or nitrogen under atmospheric conditions (other gases available upon request).
The values for qmax can be increased by approx. 10 % upon request (with lower accuracy in the extended range).
With hydrogen and helium, the lower range limit is typically approx. 10 % of the upper range limit.

Measuring errors
Air, nitrogen other gases

Under calibration conditions in specified measuring range
£ ± 0.9 % of the measured value ± 0.05 % of the possible end value in this nominal diameter (see measuring ranges)
£ ± 1.8 % of the measured value ± 0.10 % of the possible end value in this nominal diameter (see measuring ranges)
Special calibration on request

Reproducibility

< 0.25 % of the measured value, tmeas = 10 s

Effect of the temperature of the measured medium

< 0.05 % / K of the measured value (depending on the type of gas)

Effect of the pressure of the measured medium

< 0.2 % / 100 kPa (/ bar) of the measured value (depending on the type of gas)

Response time

T63 = 0.5 s

T63 = 2 s

Type

FMT400-VTS

FMT400-VTCS
Hygienic version

Operating conditions

Recommended steadying lengths

According to DIN EN ISO 5167-1 Min. inflow 15 x D, outflow 5 x D

Ambient conditions

Transmitter ambient temperature

-25 ... 70 °C (-13 ... 158 °F)
Zone 2/22 version: -20 ... 50 °C (-4 ... 122 °F)

CIP/SIP cleaning

With device switched off

Storage temperature

-25 ... 85 °C (-13 ... 185 °F)

Process conditions

Operating temperature of measured medium (flowmeter sensor)

Standard range: -25 ... 150 °C (-13 ... 302 °F)
Extended range: -25 ... 300 °C (-13 ... 572 °F)
Zone 2/22 version: -20 ... 130 °C (-4 ... 266 °F)

-25 ... 150 °C (-13 ... 302 °F)

Operating pressure

4 x 106 Pa (40 bar [580 psi])

1.6 x 105 Pa (16 bar [232 psi]) threaded pipe connection S
(for DN 80: 10 x 105 Pa (10 bar [145 psi]))
10 x 105 Pa (10 bar [145 psi]) FG flange

Pressure drop
(logarithmic representation)

Pressure drop [mbar] →
G00796

Power supply

Voltage
Power consumption

24 V DC ± 25 %; 24 V AC ± 25 %, 48 ... 62 Hz
< 15 W, current consumption < 600 mA, minimum fuse protection 2 A time-lag

Cable entry

M20 x 1.5

Output

Analog output

0/4 ... 20 mA, load < 750 Ω, electrically isolated, failure message < 3.5 or > 22 mA

Degree of protection

IP 65, NEMA 4X

< 1.0 kPa (10 mbar), typical value 0.1 kPa (1 mbar)

DN 25

DN 50 DN 80 DN100

DN 150

10 50 100 500 1000 5000 10000

Mass flow rate [kg/h] →


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