TECHNICAL SPECIFICATIONS

BARTON 7000 Series Liquid Turbine Meters

Camerons BARTON 7000 series turbine meters are designed

for a broad range of precise liquid measurement applications.
Based on more than 40 years of turbine manufacturing
experience, this built-to-order series features a range of sizes,
materials, bearing systems, and options.

Features
Linearity (BARTON Models 7100 and 7200)

Linearity (BARTON Model 7300)

0.25% of reading over flow range
 0.15% of reading over limited ranges
(contact factory for details)
Repeatability
0.02% of reading
Symmetrical bi-directional design Ideal for reverse flow

 1% of reading over flow range for meters smaller

applications, where flow capacities are the same in either

than 1-in.

direction. Electronic options provide instantaneous flow

 0.25% of reading over flow range for meters

direction sensing.

1 in. and larger

High quality bearings Model 7100/7300 meters come

 0.15% of reading over limited ranges

standard with wear-resistant tungsten carbide sleeve

(1 in. and larger meters contact factory for details)

bearings, and model 7200 meters are designed with

self-lubricating, precision stainless steel bearings with dry
lubricant impregnated ball separators.

Performance

Accessories

The average K-factor for each turbine is determined by using

Cameron offers a broad range of accessories and companion

water as the test media. Standard testing is performed with

electronics for use with the BARTON 7000 series turbine meter,

eight flow rates evenly distributed across the flow range and

including:

two repeatability points.

Meter runs

Meter linearity indicates that no data point will exceed the

Pre-amplifiers

average of all the data points within the linear meter capacity.
To ensure accurate operation, the turbine meter should be

Totalizers

installed in a straight length of pipe of the same diameter as

Flow computers

the turbine meter, extending at least 10 diameters upstream

Connectors and cables

and five diameters downstream.

Companion electronics can be supplied to meet explosion-proof

or intrinsic safety requirements.
Contact your local Cameron sales representative for more
information.

Model Selection Criteria

Use the following table to determine the correct model for
a liquid application. For assistance with meter sizing for your
application, contact your Cameron sales representative.
Meter Fluid Requirements
Hydrocarbon measurement

Model 7100
x

Liquids with specific gravity < 0.5

x
x

Process piping and fluids (free of solids)

Solids likely in process piping and/or fluids

Meter sizes
Bearing type

Model 7300
(High-Res Ouput)

Liquids with viscosity < 0.5 cP

Other liquids

Model 7200

x
3/8 in. to 8 in.

3/8 in. to 3 in.

4 in. to 12 in.

Tungsten carbide
sleeve bearings

440C stainless
ball bearings

Tungsten carbide
sleeve bearings

7100 Model Selection

Flow Range
Linear Range (water)

Meter Size
Nominal

Minimum

Meter Output

Maximum

Nominal

Nominal

Maximum

Model

in.

mm

US GPM

m /hr

US GPM

m /hr

Pulses/gal.

Pulses x 1000/m

Frequency (Hz)

7183

3/8

10

.45

0.10

0.9

19,000

5020

1270

7184

1/2

15

0.88

0.20

8.2

1.8

13,400

3540

1790

7185

5/8

18

1.6

0.36

16

3.63

7700

2034

2050

7186

3/4

20

2.3

0.52

23

5.2

3380

893

1300

7101

25

5.0

1.14

50

11.4

1340

354

1117

7145

1-1/4

32

10

2.28

80

18.2

630

166

840

7146

1-1/2

40

13

3.0

130

29.5

405

107

878

7102

50

24

5.5

240

54.5

240

63.4

960

7125

2-1/2

65

44

10

440

100

115

30.4

845

7103

80

70

15.9

700

159

76

20.1

890

7104

100

105

24

1250

284

32

8.5

670

7106

150

250

57

2500

567.8

8.8

2.3

370

7108

200

540

122.4

5400

1226

3.6

0.95

324

7200 Model Selection

Flow Range
Linear Range (water)

Meter Size
Nominal

Minimum

Meter Output

Maximum

Nominal

Nominal

Maximum

US GPM

m3/hr

Pulses/gal.

Pulses x 1000/m3

Frequency (Hz)

0.11

1.14

15,500

4095

1291

0.23

10

2.27

10,500

2774

1750

1.6

0.36

16

3.65

6400

1691

1706

2.3

0.52

23

5.2

2700

713

1035

25

5.0

1.14

50

11.4

1100

291

920

1-1/4

32

6.0

1.4

90

20.4

510

135

765

1-1/2

40

13

3.0

130

29.5

320

84.5

693

7202

50

24

5.5

240

54.5

190

50.2

760

7203

80

58

13

580

132

59

15.6

570

Model

in.

mm

US GPM

m3/hr

7283

3/8

10

0.5

7284

1/2

15

1.0

7285

5/8

18

7286

3/4

20

7201

7245
7246

7300 Model Selection

Flow Range
Linear Range (water)

Meter Size
Nominal

Minimum

Meter Output

Maximum

Nominal

Nominal

Maximum

Model

in.

mm

US GPM

m /hr

US GPM

m /hr

Pulses/gal.

Pulses x 1000/m

Frequency (Hz)

7304

100

115

26

1150

260

66

17.4

1265

7306

150

250

57

2250

511

26

6.9

975

7308

200

540

123

5400

1226

15

1350

7310

10

250

800

182

8000

1817

7.8

2.1

1040

7312

12

300

1250

284

12500

2838

5.7

1.5

1190

7100/7200 Pressure Drop

10
8
6

5/8
(18)

3/8
(10)

Nominal
Meter Size
in. (mm)

1/2
(15)

1
(25)
3/4
(20)

2
(50)

4
(100)

1-1/2
(40)

3
(80)

8
(200)
6
(150)

Gross Pressure Drop - PSID

2
1.0
0.8
0.6
0.4
0.2
0.1
0.08
0.06

0.02
0.01
0.1

6 8
1.0

6 8
10

6 8
100

6 8
1000

6 8
2
10,000

6 8
100,000

Flow Rate - US gallons/min

based on water at 60 F (16 C)
0.023
0.227

2.27

22.7
227
Flow Rate - M3/hr
based on water at 60 F (16 C)

2271

22,712

7300 Pressure Drop

6
(150)

Nominal
Meter Size
in. (mm)

4
(100)

Gross Pressure Drop - PSID

10
8
6
4

10
(250)
8
(200)

12
(300)

2
1.0
0.8
0.6
0.4
0.2
0.1
0.08
0.06

0.02
0.01
4230

423,000

42,300

4,230,000

Flow Rate - US gallons/hr

based on 0.8 SG oil @ 1.0 cSt

16

160

1600

16,000

Flow Rate - M / hr
based on 0.8 SG oil @ 1.0 cSt

Specifications
Compliances

CSA certified for hazardous areas, Class I, Division I, Group B, C, D; Class II, E, F, G; Class III, NEMA 4 waterproof to
NEC (USA) and CEC (Canadian) standards.
ATEX certified, EEx d IIC
Compliant with ANSI 12.27.01-2003 single seal requirements and manufactured to ASME B31.3 pressure requirements
Available with CE mark for Pressure Equipment Directive (PED, 97/23/CE). CRN 0F10734.2C compliant.

Pressure Rating

Threaded Meters
Connection Size (in.)

psi

bar

mPa

<1

5000

345

34.5

4400

303

30.3

1-1/4

4000

276

27.6

1-1/2

3200

220

22.1

2650

183

18.3

Flanged Meters
Flanged meter pressure ratings are based on ASME B16.5, DIN, or BS10 as applicable.
End Connections

Flanged
Threaded

Standard: NPT; Others available on request

Conduit Connections
(Magnetic Pickup)

3/4 MNPT (coil boss)

1 standard
Additional coil boss available for meters 1 and above

Materials

Rotor Blades1

Model 7100/7200

430 stainless steel

Model 7300

Shrouded 316 stainless steel with nickel bars

Model 7100/7300

Tungsten carbide (sleeve type)

Model 7200

440C stainless steel, self-lubricating (ball type)

Bearings
Body Flanges1

ASME B16.5 (BS EN 1759), DIN (BS EN 1092), BS10

316 stainless steel

Internals1

316 stainless steel

Temperature Range2

Model 7100/7300

-20 F to 300 F (-29 C to 148 C), standard

-20 F to 450 F (-29 C to 232 C), optional

Model 7200

-20 F to 450 F (-29 C to 232 C), standard

Pressure Drop

Model 7100/7200

See pressure drop curve on page 4.

Model 7300

See pressure drop curve on page 5.

Linearity

Model 7100/7200

1% of reading over flow range of fractional size meters

0.25% of reading over flow range of meters 1 size and above
0.15% of reading over limited ranges (contact factory)

Model 7300

0.25% of reading over flow range of meters 4 size and above

0.15% of reading over limited ranges (contact factory)

Repeatability

All Models

0.02 of reading

Output

Type

Sine wave

Voltage

Varies with meter size and flow rate (typically 20 mV to 5 V, peak-to-peak)

Frequency

Proportional to flow

Other materials are available on request.

Observe the temperature rating of companion electronics where applicable. Use remote mount electronics with extensions to avoid
temperature extremes. For information regarding higher or lower temperature ratings, contact your Cameron sales representative.

2

Face-to-Face Dimension (A)

73xx
Model
(Flanged)

Dimensions

ANSI Rating
Up to 1500

2500

Flanged Meter
Face-to-Face
Dimensions (Dim. A)
in
mm
in
mm

Flanged Meters

7304

Connector
Electrical
(customer supplied)

Coil Boss
3/4 MNPT

12

305

Models

in.

7183, 7283

71xx/
72xx
7184,
Model
7185,
(Flanged)

in.

mm

178

178

178

178

178

178

178

178

203

203

203

203

229

5 ANSI Rating
127

900 & 1500

5.5

140

mm

in

7x83

127

7x84

127

7x85

5.5

140

7x86

5.5

140

5.5
5.5

7146, 7246

A
(Face-to-Face)

mm

in

7145, 7245

Turbine
Meter

mm

7102, 7202
7x01
5.5

6
6

6.5
140

7
7
7

Pickup
Coil

140

in

mm

140

178

178

178

178

178

178

178

178

229

229
203

229

152
152

A
(End-to-End)

7
8
9

165
203

178
229

10
9

229 254

10

254

254
229

10
9

229 254

11

279

25412

10

305
254

12
11

279 305

12

305

30514

12

305
356

12
14

305

356

35616

14

356
406

16

406

7125, 7225
7x46
6

152 7

7103, 7203
7x02
6.5

16510

7104,
7x03

7304
10

7x04
7106,

12
7306

7x06
7108,

14
7308

9
8

7x08

731016

40620

16

406
508

18

457

7x10

20

508

20

508

22

559

24

610

24

610

24

610

7x12

7312

24

7x83

1/2

7x84

1/2

7x85

3/4

7x86

3/4

7x01

Models

7183, 7283

7184, 7284

B
(diameter)

2500

mm

610

Dim. (A)
Thread
xThreaded
Model
Meter
Dimensions
(BSP
or NPT)
in
mm

Threaded Meters

2500 ASME

in.

Up to 600

7285

7101, 7201

1 nom.

305

Face-to-Face
Dimension
(A)
5
127
7

7284

7186, 7286

Pickup
Coil

12

Up to 600 ASME 900 and 1500 ASME

2.75 End70
to

Thread
(NPT)2.75
1/2
1/2

2.75
3.25
3.5

in

mm

1.125
End
(Dim.28.6
A)

in.

1.125

70

1.25

83

1.25

89

1.5

2.75
2.75

3/4 4.375 2.75

111

7186,
7x02

7286 2

3/4 4.75

7x03
7101,

7201 3

Dim. (B)

70

7185, 72851-1/2
7x46

3.25
121
203
3.5

28.6

mm
70
70

32
32
40

Diameter (Dim. B)
in.

mm

1.125

28.6

1.125

28.6

1.25

32

2.25 70 57
2.75 83 70

1.44

36.6

89140

1.69

42.9

5.5

7145, 7245

1-1/4

3.88

99

2.38

60.5

7146, 7246

1-1/2

4.38

111

2.50

63.5

7102, 7202

4.75

121

3.00

76.2

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