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Section 1 Introduction
Brooks
Ar-Mite
®
Table 1-1 MT3750C Specifications
Specifications
Specifications
Specifications
Specifications
Specifications
Measuring Range
Measuring Range
Measuring Range
Measuring Range
Measuring Range
Rangeability
Rangeability
Rangeability
Rangeability
Rangeability
Metering
Metering
Metering
Metering
Metering T T T T T ube
ube
ube
ube
ube
End Fittings
End Fittings
End Fittings
End Fittings
End Fittings
Accur
Accuracy
Accur
acy
acy
acy
Accur
Accur
acy
Repeatability
Repeatability
Repeatability
Repeatability
Repeatability
Scale
Scale
Scale
Scale
Scale
Connections
Connections
Connections
Connections
Connections
Floats
Floats
Floats
Floats
Floats
O-rings
O-rings
O-rings
O-rings
O-rings
Pr Pr Pr Pr Protection Category
otection Category
otection Category
otection Category
otection Category
Indicator Housing & Cover
Indicator Housing & Cover
Indicator Housing & Cover
Indicator Housing & Cover
Indicator Housing & Cover
Maximum Fluid
Maximum Fluid
Maximum Fluid T T T T T emper
emper
emper
atur
ature e e e e
atur
Maximum Fluid
Maximum Fluid
emper
emperatur
atur
Maximum Fluid Pr
Maximum Fluid Pr
essur
essure e e e e
essur
Maximum Fluid Pr
Maximum Fluid Pressur
Maximum Fluid Pr
essur
Meter Dimensions
Meter Dimensions
Meter Dimensions
Meter Dimensions
Meter Dimensions
Pr Pr Pr Pr Pressur
essur
essure Equipmen
essur
e Equipmen
e Equipment Dir
e Equipmen
t Dir
t Dir
t Directive
ective
ective
ective
essur
e Equipmen
t Dir
ective
(PED) 2014/68/EU
(PED) 2014/68/EU
(PED) 2014/68/EU
(PED) 2014/68/EU
(PED) 2014/68/EU
RoHS
RoHS
RoHS
RoHS
RoHS
Inductive
Inductive Alarm Swit
Inductive
Inductive
Inductive
Alarm Switc c c c c hes
Alarm Swit
Alarm Swit
Alarm Swit
hes
hes
hes
hes
Reed Switc c c c c hes
Reed Swit
Reed Swit
hes
hes
Reed Swit
Reed Swit
hes
hes
T T T T T r r r r r ansmitter
ansmitter
ansmitter
ansmitter
ansmitter
Agency
Agency
Agency
Agency Appr
Agency
Appr
Appr
Approvals
Appr
ovals
ovals
ovals
ovals
O O O O O ptional Equipmen
ptional Equipmen
ptional Equipment t t t t
ptional Equipmen
ptional Equipmen
Table 1-2 MT3750C Capacities
Meter
Meter
Meter
Meter
Meter
Size
Size
Size
Water
Water
Water
Size
Size
Water
Water
gph
gph
gph
gph
gph
0
0.025-0.25
0.096-0.96
1
0.034-0.34
2
0.096-0.96
3
0.29-2.8
4
0.55-5.5
5
1.1-11
6
2.8-26
Notes:
1. Air flows in scfh converted to 70°F and 14.7 psia when the meter is operated at 70°F and 14.7 psia.
3
2. Air flows in m
n/h (converted to normal conditions: 0° and 1.013 bar abs) when the meter is operated at 1.013 bar abs and 20°C.
3. When the viscosity of the fluid exceeds the viscosity immunity ceiling (VIC), a calculated correction is applied to account for the difference between factory calibration
fluid and process fluid.
1-2
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MT3750C
TM
Silver increments with black background - Aluminum Material (52 mm long), single or dual
PTFE Teflon
(Indicator only) IP64/NEMA 4X, (Alarms) IP65/NEMA 4X, (Transmitter) IP66/67/NEMA 4X
Products conform to the European Restriction of Hazardous Substances (RoHS) Directive 2011/65/EU, except Reed Switch Alarm
Flow Range
Flow Range
Flow Range
Flow Range
Flow Range
Air
Air
Air
Air
Air
l/h l/h
l/h l/h
l/h
ln/h
ln/h
ln/h
ln/h
ln/h
scfh
scfh
scfh
scfh
scfh
4.3-43
0.16-1.6
0.13-1.3
5.6-56
0.21-2.1
0.36-3.6
13.0-120
0.5-4.9
1.0-10
-
1.2-12
2.1-21
-
2.5-23
4.2-42
-
5.4-53
11-100
-
12-110
MT3750C
MT3750C
MT3750C
MT3750C
MT3750C
See Capacities Table 1-2
10:1 (most sizes)
316L (stainless steel)
Monel K-500
316L (stainless steel)
Monel K-500
5%, 3%, VDI/VDE class 4, 2.5
1% Full Scale
1/4" to 3/4"NPT Female
1/4", 6 mm tube compression
316L stainless steel
Titanium Gr. II
Viton
fluoroelastomers
®
®
, Buna-N, Kalrez
®
4079 perfluoroelastomers, Ethylene Propylene
Die cast Aluminum (Alloy 380), epoxy paint, glass window
204°C/400°F (Refer to Tables 1-4 & 1-5)
1500 PSIG (100 Bar)
4000 PSIG (276 Bar) (No valve, 1/4" NPT only)
Refer to Figures on Pages 1-8 thru 1-11
Flowmeter complies under Sound Engineering Practices (SEP)
1 or 2 inductive switches
1 or 2 switches
4-20 mA output
Refer to Tables 1-6 thru 1-9
Cartridge or NRS
Integrally mounted flow controllers
Viscosity
Viscosity
Viscosity
Viscosity
Viscosity
(1, 2)
(1, 2)
(1, 2)
(1, 2)
(1, 2)
Limit
Limit
Limit
(3)
(3)
(3)
(3)
(3)
Limit
Limit
m m m m m
3 3 3 3 3
n/h
n/h
n/h
n/h
n/h
CP CP CP CP CP
-
5
-
10
-
20
0.033-0.33
35
0.063-0.62
70
0.15-1.3
100
0.31-3.1
130
Installation and Operation Manual
X-VA-MT3750C-eng
Part Number: 541B063AAG
TM
valves
Pressure
Pressure
Pressure
Pressure
Pressure
Drop
Drop
Drop
Drop
Drop
mBar
mBar
mBar
mBar
mBar
Inches WC
Inches WC
Inches WC
Inches WC
Inches WC
12
4.8
12
4.8
12
4.8
12
4.8
32
12.8
38
15.3
44
17.7
October, 2017
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