2024年3月29日发(作者：虞巧)
Economical Gas
mass Flow mEtErs
For clean Gases with
optional integral Display
FMA1700A/1800A Series
Standard
FMA1828A,
shown smaller
than actual size.
substitutes for many rotameter
applications. When used with the
FMA178BP portable battery pack,
the FMA1800A Series are ideal for
The FMA1700A/1800A Series
in-the-field calibration of flow meters
eletronic gas mass flow meters
or testing of air sampling equipment.
provide for monitoring the flow of a
wide variety of gases from 10 SCCM
The FMA178BP battery pack
includes batteries, recharger, and
up to 1000 SLM. Utilizing heat
carrying case with shoulder strap
transfer through a heated tube to
and belt loop. With the FMA178BP,
measure molecular gas flow rate,
the flow meter can operate in excess
the FMA1700A/1800A provides
of 40 hours; the batteries can be
measurement of direct gas mass
recharged at least 200 times.
flow rate, without the need to
compensate for variations in gas
The FMA1700A/1800A Series
temperature or pressure (within
require 12 to 26 Vdc power @
stated limits). They are available in
200 mA maximum, which can be
an economical aluminum/brass
supplied by the FMA178PW plug-in
construction for typical gas flows
socket power supply. The
and a 316 SS construction for
electronics are reverse polarity
applications requiring more
protected and has externally-
corrosion resistance. The
accessible fusing. Model number
FMA1700A series without
FMA178C (supplied separately)
integral display is supplied with a
provides a mating 9-pin “D”
field selectable analog 0 to 5 Vdc
connector with 3 feet of ribbon cable
or 4 to 20 mA output for remote
for accessing the 0 to 5 Vdc output
monitoring; the FMA1800A series
signal and power input connections
has both an integral 3¹⁄₂ digit display
(use FMA178C-MA for 4 to 20 mA
and analog output. The display is
output signal connection).
tiltable over 90 degrees for viewing
The LCD supplied with the
convenience. The display is
FMA1800A Series is connected
calibrated standard to read out
to the lower electronics via a
directly in SCCM or SLM for
modular plug. The LCD can be
nitrogen (other gas calibrations
remotely located by purchasing an
available on special order).
FMA18RC remote cable assembly-
Due to their low cost, digital
you must then build your own
display, analog output capability,
assembly for panel mounting
and insensitivity to variations in gas
the LCD.
U Reads Gas Mass Flow
Without Temperature
or Pressure Compensation
U Available in Economical
Aluminum or Corrosion-
Resistant 316 SS
U Tiltable LCD Display
for Easy Reading
U NIST Traceable
temperature and pressure, the
Calibration Included
FMA1700A/1800A Series are ideal
SPECIFICATIONS
Accuracy: ±1.5% of full scale,
including linearity over 15 to 25°C and
5 to 60 psia (0.35 to 4.2 kg/cm
2
)
Repeatability: ±0.5% of full scale
and for units ≥100 scm from 0 to 20%
of range
Temperature Coefficient: 0.15% of full
scale per °C or better
Pressure Coefficient: 0.01% of full
scale per psi (0.07 bar)
Maximum Pressure Drop:
SLM in. W.C. SLM in W.C.
10 1 80 168
20 14 100 227
30 34 200 112
50 90 500 140
60 129 1000 252
Response Time: 800 msec time
constant; 2 seconds (typical) to within
±2% of set flow rate over 25 to 100% of
full scale
Maximum Gas Pressure: 500 psig
(35 kg/cm
2
gage);1000 psig (70 kg/cm
2
gage) for ranges up to 100 SLM;
20 psig optimum
Gas and Ambient Temperature:
0 to 50°C (0 to 122°F)
Leak Integrity: 1 x 10
-
std cc/sec
of helium maximum to
outside environment
Ma terials in Fluid Contact:
Aluminum Models: Anodized
aluminum, 316 SS, brass and
FKM O-rings
9
D-11
Stainless Steel Models: 316 SS
Output Signal
and FKM O-rings
Linear 0 to 5 Vdc:
minimum load
1000 Ω
Transducer Power:
4 to 20 mA: 50 to 250 Ω
200 mA maximum
12 Vdc @
loop resistance
Shipping Weight:
Compliance:
1.1 kg (2.5 lb)
EN50082-1
EN55011 class 1, class B;
See instruction manual for dimensions
To Order
Model No.
Aluminum/Brass
Model No.
Body with Display
Stainless Steel
Body with Display
Aluminum/Brass
Body without Display
Stainless Steel
Body without DisplayCode**
RangeMaximum
Flow Rate
FMA1802AFMA1802A-STFMA1702AFMA1702A-ST
0210 sccm
FMA1804AFMA1804A-STFMA1704AFMA1704A-ST
0420 sccm
FMA1806AFMA1806A-STFMA1706AFMA1706A-ST
0650 sccm
FMA1808AFMA1808A-STFMA1708AFMA1708A-ST
08100 sccm
FMA1810AFMA1810A-STFMA1710AFMA1710A-ST
10200 sccm
FMA1812AFMA1812A-STFMA1712AFMA1712A-ST
12500 sccm
FMA1814AFMA1814A-STFMA1714AFMA1714A-ST
141 SLM
FMA1816AFMA1816A-STFMA1716AFMA1716A-ST
162 SLM
FMA1818AFMA1818A-STFMA1718AFMA1718A-ST
185 SLM
FMA1820AFMA1820A-STFMA1720AFMA1720A-ST
2010 SLM
FMA1823AFMA1823A-STFMA1723AFMA1723A-ST
2315 SLM
FMA1824AFMA1824A-STFMA1724AFMA1724A-ST
2420 SLM
FMA1826AFMA1826A-STFMA1726AFMA1726A-ST
2630 SLM
FMA1827AFMA1827A-STFMA1727AFMA1727A-ST
2740 SLM
FMA1828AFMA1828A-STFMA1728AFMA1728A-ST
2850 SLM
FMA1840AFMA1840A-STFMA1740AFMA1740A-ST
4060 SLM
FMA1841AFMA1841A-STFMA1741AFMA1741A-ST
4180 SLM
FMA1842AFMA1842A-STFMA1742AFMA1742A-ST
42100 SLM
FMA1843AFMA1843A-STFMA1743AFMA1743A-ST
43200 SLM
FMA1844AFMA1844A-STFMA1744AFMA1744A-ST
44500 SLM
FMA1845AFMA1845A-STFMA1745AFMA1745A-ST
451000 SLM*
*
Comes with dual
3
**
⁄
4
FNPT connections instead of compression fittings.
Insert range code, see table above.
Flow ranges specified are for nitrogen or air at 20 psig. When used for other gases, a multiplication factor is used to determine the flow rate,
and the digital display must be rescaled in the field. To request a custom calibration add the gas abbreviation and pressure as a suffix to the
model number.
Accessories
Model ption
FMA178PW
Socket plug-in power supply for 115 Vac (recommended)
FMA178C
Female 9-pin D-connector with 1 m (3') of ribbon cable, 0 to 5 Vdc output
FMA178C-MA
Female 9-pin D-connector with 1 m (3') of ribbon cable, 4 to 20 mA output
FMA178PW-220VAC
Socket plug-in power supply for 220 Vac, VDE plug type
FMA178BP
Portable battery pack, with recharger for 115 Vac
FMA178BP-220VAC
Portable battery pack, with recharger for 220 Vac
FMA18RC10
3 m (10') cable for remotely locating LCD of FMA1800
FMA18RC25
7.6 m (25') cable for remotely locating LCD of FMA1800
Comes complete with compression fittings, operator’s manual, and NIST certificate. Power supplies sold separately.
For oxygen cleaned units, add suffix “-02CLEAN” to model number for additional cost.
Ordering Examples:
from 0 to 500 SCCM.
FMA1712A, AL/BR body flow meter without an integral display, calibrated for nitrogen at 20 psig, ambient temperature
FMA1810A, AL/BR body with display and FMA178PW, power supply.
D-12
D
2024年3月29日发(作者：虞巧)
Economical Gas
mass Flow mEtErs
For clean Gases with
optional integral Display
FMA1700A/1800A Series
Standard
FMA1828A,
shown smaller
than actual size.
substitutes for many rotameter
applications. When used with the
FMA178BP portable battery pack,
the FMA1800A Series are ideal for
The FMA1700A/1800A Series
in-the-field calibration of flow meters
eletronic gas mass flow meters
or testing of air sampling equipment.
provide for monitoring the flow of a
wide variety of gases from 10 SCCM
The FMA178BP battery pack
includes batteries, recharger, and
up to 1000 SLM. Utilizing heat
carrying case with shoulder strap
transfer through a heated tube to
and belt loop. With the FMA178BP,
measure molecular gas flow rate,
the flow meter can operate in excess
the FMA1700A/1800A provides
of 40 hours; the batteries can be
measurement of direct gas mass
recharged at least 200 times.
flow rate, without the need to
compensate for variations in gas
The FMA1700A/1800A Series
temperature or pressure (within
require 12 to 26 Vdc power @
stated limits). They are available in
200 mA maximum, which can be
an economical aluminum/brass
supplied by the FMA178PW plug-in
construction for typical gas flows
socket power supply. The
and a 316 SS construction for
electronics are reverse polarity
applications requiring more
protected and has externally-
corrosion resistance. The
accessible fusing. Model number
FMA1700A series without
FMA178C (supplied separately)
integral display is supplied with a
provides a mating 9-pin “D”
field selectable analog 0 to 5 Vdc
connector with 3 feet of ribbon cable
or 4 to 20 mA output for remote
for accessing the 0 to 5 Vdc output
monitoring; the FMA1800A series
signal and power input connections
has both an integral 3¹⁄₂ digit display
(use FMA178C-MA for 4 to 20 mA
and analog output. The display is
output signal connection).
tiltable over 90 degrees for viewing
The LCD supplied with the
convenience. The display is
FMA1800A Series is connected
calibrated standard to read out
to the lower electronics via a
directly in SCCM or SLM for
modular plug. The LCD can be
nitrogen (other gas calibrations
remotely located by purchasing an
available on special order).
FMA18RC remote cable assembly-
Due to their low cost, digital
you must then build your own
display, analog output capability,
assembly for panel mounting
and insensitivity to variations in gas
the LCD.
U Reads Gas Mass Flow
Without Temperature
or Pressure Compensation
U Available in Economical
Aluminum or Corrosion-
Resistant 316 SS
U Tiltable LCD Display
for Easy Reading
U NIST Traceable
temperature and pressure, the
Calibration Included
FMA1700A/1800A Series are ideal
SPECIFICATIONS
Accuracy: ±1.5% of full scale,
including linearity over 15 to 25°C and
5 to 60 psia (0.35 to 4.2 kg/cm
2
)
Repeatability: ±0.5% of full scale
and for units ≥100 scm from 0 to 20%
of range
Temperature Coefficient: 0.15% of full
scale per °C or better
Pressure Coefficient: 0.01% of full
scale per psi (0.07 bar)
Maximum Pressure Drop:
SLM in. W.C. SLM in W.C.
10 1 80 168
20 14 100 227
30 34 200 112
50 90 500 140
60 129 1000 252
Response Time: 800 msec time
constant; 2 seconds (typical) to within
±2% of set flow rate over 25 to 100% of
full scale
Maximum Gas Pressure: 500 psig
(35 kg/cm
2
gage);1000 psig (70 kg/cm
2
gage) for ranges up to 100 SLM;
20 psig optimum
Gas and Ambient Temperature:
0 to 50°C (0 to 122°F)
Leak Integrity: 1 x 10
-
std cc/sec
of helium maximum to
outside environment
Ma terials in Fluid Contact:
Aluminum Models: Anodized
aluminum, 316 SS, brass and
FKM O-rings
9
D-11
Stainless Steel Models: 316 SS
Output Signal
and FKM O-rings
Linear 0 to 5 Vdc:
minimum load
1000 Ω
Transducer Power:
4 to 20 mA: 50 to 250 Ω
200 mA maximum
12 Vdc @
loop resistance
Shipping Weight:
Compliance:
1.1 kg (2.5 lb)
EN50082-1
EN55011 class 1, class B;
See instruction manual for dimensions
To Order
Model No.
Aluminum/Brass
Model No.
Body with Display
Stainless Steel
Body with Display
Aluminum/Brass
Body without Display
Stainless Steel
Body without DisplayCode**
RangeMaximum
Flow Rate
FMA1802AFMA1802A-STFMA1702AFMA1702A-ST
0210 sccm
FMA1804AFMA1804A-STFMA1704AFMA1704A-ST
0420 sccm
FMA1806AFMA1806A-STFMA1706AFMA1706A-ST
0650 sccm
FMA1808AFMA1808A-STFMA1708AFMA1708A-ST
08100 sccm
FMA1810AFMA1810A-STFMA1710AFMA1710A-ST
10200 sccm
FMA1812AFMA1812A-STFMA1712AFMA1712A-ST
12500 sccm
FMA1814AFMA1814A-STFMA1714AFMA1714A-ST
141 SLM
FMA1816AFMA1816A-STFMA1716AFMA1716A-ST
162 SLM
FMA1818AFMA1818A-STFMA1718AFMA1718A-ST
185 SLM
FMA1820AFMA1820A-STFMA1720AFMA1720A-ST
2010 SLM
FMA1823AFMA1823A-STFMA1723AFMA1723A-ST
2315 SLM
FMA1824AFMA1824A-STFMA1724AFMA1724A-ST
2420 SLM
FMA1826AFMA1826A-STFMA1726AFMA1726A-ST
2630 SLM
FMA1827AFMA1827A-STFMA1727AFMA1727A-ST
2740 SLM
FMA1828AFMA1828A-STFMA1728AFMA1728A-ST
2850 SLM
FMA1840AFMA1840A-STFMA1740AFMA1740A-ST
4060 SLM
FMA1841AFMA1841A-STFMA1741AFMA1741A-ST
4180 SLM
FMA1842AFMA1842A-STFMA1742AFMA1742A-ST
42100 SLM
FMA1843AFMA1843A-STFMA1743AFMA1743A-ST
43200 SLM
FMA1844AFMA1844A-STFMA1744AFMA1744A-ST
44500 SLM
FMA1845AFMA1845A-STFMA1745AFMA1745A-ST
451000 SLM*
*
Comes with dual
3
**
⁄
4
FNPT connections instead of compression fittings.
Insert range code, see table above.
Flow ranges specified are for nitrogen or air at 20 psig. When used for other gases, a multiplication factor is used to determine the flow rate,
and the digital display must be rescaled in the field. To request a custom calibration add the gas abbreviation and pressure as a suffix to the
model number.
Accessories
Model ption
FMA178PW
Socket plug-in power supply for 115 Vac (recommended)
FMA178C
Female 9-pin D-connector with 1 m (3') of ribbon cable, 0 to 5 Vdc output
FMA178C-MA
Female 9-pin D-connector with 1 m (3') of ribbon cable, 4 to 20 mA output
FMA178PW-220VAC
Socket plug-in power supply for 220 Vac, VDE plug type
FMA178BP
Portable battery pack, with recharger for 115 Vac
FMA178BP-220VAC
Portable battery pack, with recharger for 220 Vac
FMA18RC10
3 m (10') cable for remotely locating LCD of FMA1800
FMA18RC25
7.6 m (25') cable for remotely locating LCD of FMA1800
Comes complete with compression fittings, operator’s manual, and NIST certificate. Power supplies sold separately.
For oxygen cleaned units, add suffix “-02CLEAN” to model number for additional cost.
Ordering Examples:
from 0 to 500 SCCM.
FMA1712A, AL/BR body flow meter without an integral display, calibrated for nitrogen at 20 psig, ambient temperature
FMA1810A, AL/BR body with display and FMA178PW, power supply.
D-12
D