Onicon F-5100 Insertion Uživatelský manuál stáhnout pdf (Strana 16)

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F-5100 Insertion Thermal Mass Flow Meter Manual 05/15 - 0663-20 / 18333 Page 16

Determining the Insertion Depth

The dimension used to set the insertion depth is the “X” dimension. This dimension is

printed on the laminated tag attached to the sensor and can be found in the tables below.

Schedule 40 Pipe

Nominal

Diameter

O.D. I.D. X Y

1” 1.315 1.049 Bottom N/A

1.25” 1.660 1.380 Bottom N/A

1.5” 1.900 1.610 0.20” 1.56”

2” 2.375 2.067 0.40” 1.82”

2.5” 2.875 2.469 0.60” 2.07”

3” 3.500 3.068 0.90” 2.38”

4” 4.500 4.026 1.40” 2.86”

6” 6.625 6.065 2.40” 3.95”

Schedule 80 Pipe

Nominal

Diameter

O.D. I.D. X Y

1” 1.315 0.957 Bottom N/A

1.25” 1.660 1.278 Bottom N/A

1.5” 1.900 1.500 0.15” 1.56”

2” 2.375 1.939 0.35” 1.82”

2.5” 2.875 2.323 0.55” 2.07”

3” 3.500 2.900 0.80” 2.38”

4” 4.500 3.826 1.30” 2.86”

6” 6.625 5.761 2.25” 3.95”

Inserting the Sensor

1. Insert the ow sensor stem into the

compression tting.

2. Open the ball valve and carefully

insert the ow sensor until the end

of the stem just contacts the opposite

wall of the pipe.

3. Mark the position of the stem where it

exits the top of the compression tting.

4. Withdraw the stem “X” distance as

measured from the top of the compression

tting. At the same time position the

electronics enclosure parallel to the pipe in the correct orientation relative to the

ow direction as shown. This will position the sensor with its axis in line

with the ow and in the correct direction.

Center Line

of Pipe

FLOW

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 32 33

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