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 3. Connect the Scanner 2000 and manifold assembly to the differential pressure meter. Hardware requirements will vary, depending upon the installation configuration. However, minimally, an adapter is required that can span between the threaded pressure tap/orifice flange connector and the non-threaded manifold. This adapter can be a one-piece stabilizer (often preferred for added strength and stability) or a short heavy wall pipe nipple attached to a futbol flange (available from Cameron). Use a suitable compound or tape on all threaded process connections. 4. Install the explosion-proof Barton Model 21 RTD assembly in the thermowell. Route the RTD assembly cable through the conduit opening in the top of the Scanner 2000 to connect to the main circuit board. (If the Barton Model 21 assembly is not used and the Scanner 2000 is in a hazardous area, a Barton Model 20 RTD terminal housing or similar alternative must be used. In this case, the RTD signal cable must be routed through conduit and a conduit seal must be installed within 18 in. of the Scanner 2000. A wiring diagram for the RTD assembly is provided in . 5. Route any additional inputs/outputs or COM connections, etc. through the conduit opening in the top of the Scanner 2000. In hazardous environments, add a conduit seal within 18 inches of the Scanner 2000. Figure 3.5, page 64. 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. 32
Scanner ® 2000 microEFM Section 2 Installation Procedure—Remote Mount to Orifice Meter or Cone Meter A Scanner 2000 can be mounted remotely and connected to an orifice meter or cone meter with tubing for gas measurement. The setup of the meter run and plumbing configurations can vary widely, depending upon the challenges existing on location. Figure 2.6 shows a typical remote-mount installation. Note To prevent fittings from turning and/or to avoid putting tension on stainless steel tubing, use a backup wrench to attach stainless steel tubing to a manifold, shut-off valves, or sensor ports. Pressure ports (high/low) Conduit seal (required for hazardous area installations) 3/4” conduit (for input/output and communications) H L H L Flow Manifold Model 21 explosion-proof RTD assembly or equivalent Figure 2.6—Remote-mount gas run installation (shown here with a cone meter). The remote-mount method can be used with an orifice meter as well. 1. Verify that the meter is properly installed in the flow line (per manufacturer’s instructions). 2. Mount the Scanner 2000 to a 2-in. pipe or to a flat, vertical surface using bolts and the mounting holes in the enclosure. 3. Bolt a 5-valve flange-by-NPT manifold (as recommended by Cameron) to the Scanner 2000 MVT sensor. a. Locate the H and L markings on the integral MVT sensor body and position the MVT/manifold assembly so that the upstream side of the flow line can easily be connected to the sensor’s “High” port and the downstream side of the flow line can be connected to the sensor’s “Low” port. The Scanner 2000 enclosure can be rotated to face the desired direction. 33
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<strong>Scanner</strong> ® <strong>2000</strong> microEFM Section 2<br />
Installation Procedure—Remote Mount to Orifice Meter or Cone Meter<br />
A <strong>Scanner</strong> <strong>2000</strong> can be mounted remotely and connected to an orifice meter or cone meter with tubing for gas<br />
measurement. The setup of the meter run and plumbing configurations can vary widely, depending upon the<br />
challenges existing on location. Figure 2.6 shows a typical remote-mount installation.<br />
Note To prevent fittings from turning and/or to avoid putting tension on stainless steel tubing, use a backup<br />
wrench to attach stainless steel tubing to a manifold, shut-off valves, or sensor ports.<br />
Pressure ports<br />
(high/low)<br />
Conduit seal<br />
(required for hazardous<br />
area installations)<br />
3/4” conduit<br />
(for input/output and<br />
communications)<br />
H<br />
L<br />
H L<br />
<strong>Flow</strong><br />
Manifold<br />
Model 21<br />
explosion-proof RTD<br />
assembly or equivalent<br />
Figure 2.6—Remote-mount gas run installation (shown here with a cone meter). The remote-mount method<br />
can be used with an orifice meter as well.<br />
1. Verify that the meter is properly installed in the flow line (per manufacturer’s instructions).<br />
2. Mount the <strong>Scanner</strong> <strong>2000</strong> to a 2-in. pipe or to a flat, vertical surface using bolts and the mounting holes in<br />
the enclosure.<br />
3. Bolt a 5-valve flange-by-NPT manifold (as recommended by Cameron) to the <strong>Scanner</strong> <strong>2000</strong> MVT sensor.<br />
a. Locate the H and L markings on the integral MVT sensor body and position the MVT/manifold assembly<br />
so that the upstream side of the flow line can easily be connected to the sensor’s “High” port<br />
and the downstream side of the flow line can be connected to the sensor’s “Low” port. The <strong>Scanner</strong><br />
<strong>2000</strong> enclosure can be rotated to face the desired direction.<br />
33
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