Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco
Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco Scanner 2000 Steam Mass Flow Transmitter ... - Spirax Sarco
Section 2 Scanner ® 2000 microEFM 48 d. Connect a hand pump or funnel to the fitting. e. Estimate the amount of fill fluid required to fill the tubing and push any air bubbles into the meter. f. Pour fill liquid into the funnel, tapping the tubing occasionally to dislodge any bubbles. g. When the leg is full of fluid, remove the fitting from the vent of the MVT and quickly replace the vent screw and tighten. h. Repeat steps a through g for the other leg. 6. Perform a manifold leak test as described on page 52. 7. Verify the zero offset, if required (and other calibration points, if desired). See the ModWorX Pro Software User Manual, Part No. 9A-30165025, for complete instructions. See also Zero Offset (Static Pressure or Differential Pressure), page 53, Static Pressure Calibration and Verification, page 53, and Differential Pressure Calibration and Verification, page 54. CAUTION Do not put the Scanner into operation until the valves are positioned properly so that pressure is supplied to both sides of the MVT. For instructions on proper valve positions, see Placing the Scanner into Operation, page 55.
Scanner ® 2000 microEFM Section 2 Measuring Compensated Liquid via a Turbine Meter Best Practices The Scanner 2000 microEFM calculates compensated liquid flow through a turbine meter in accordance with API-2540 and the measurement principles upon which the AGA-7 standard is based. The user supplies a linear or multi-point calibration factor, and the instrument performs the required compensation calculations, based on the RTD input. For optimum performance, ensure that the turbine and Scanner 2000 installation complies with the industry recommendations listed below: • Install the turbine flowmeter in the meter run such that there are at least 10 nominal pipe diameters upstream and five nominal pipe diameters downstream of the meter. Both inlet and outlet pipe should be of the same nominal size as the meter. • Straightening vanes are recommended for eliminating swirl conditions. If used, they should be installed five pipe diameters upstream of the meter. Installation Procedure—Direct Mount to a Turbine Meter (CSA Compliant) A Scanner 2000 without the MVT bottomworks can be mounted directly to a liquid turbine meter for measuring liquid (Figure 2.12). A pipe adapter and union are attached to the Scanner, allowing a direct connection to the turbine meter. An explosion-proof RTD is required for the temperature input. Adapter/union (CSA-approved) 10 pipe diameters upstream Flow 5 pipe diameters downstream Figure 2.12—Direct-mount installation for use with a Barton 7000 Series meter Model 21 explosion-proof RTD assembly or equivalent To connect the Scanner 2000 to a liquid turbine meter using this method, perform the following steps: 1. Position the Scanner 2000 above the flowmeter. 2. Plug the Scanner 2000 cable connector into the magnetic pickup of the turbine meter and hand-tighten the knurled nut on the connector. 3. Screw the Scanner 2000 onto the flowmeter threads surrounding the magnetic pickup with the display facing the desired direction. 4. Tighten all sections of the pipe union. 49
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Section 2 <strong>Scanner</strong> ® <strong>2000</strong> microEFM<br />
48<br />
d. Connect a hand pump or funnel to the fitting.<br />
e. Estimate the amount of fill fluid required to fill the tubing and push any air bubbles into the meter.<br />
f. Pour fill liquid into the funnel, tapping the tubing occasionally to dislodge any bubbles.<br />
g. When the leg is full of fluid, remove the fitting from the vent of the MVT and quickly replace the vent<br />
screw and tighten.<br />
h. Repeat steps a through g for the other leg.<br />
6. Perform a manifold leak test as described on page 52.<br />
7. Verify the zero offset, if required (and other calibration points, if desired). See the ModWorX Pro Software<br />
User Manual, Part No. 9A-30165025, for complete instructions. See also Zero Offset (Static Pressure<br />
or Differential Pressure), page 53, Static Pressure Calibration and Verification, page 53, and Differential Pressure<br />
Calibration and Verification, page 54.<br />
CAUTION Do not put the <strong>Scanner</strong> into operation until the valves are positioned properly so that<br />
pressure is supplied to both sides of the MVT. For instructions on proper valve positions,<br />
see Placing the <strong>Scanner</strong> into Operation, page 55.
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