4.4　Installation of Sampling Element and Sensitive Element

4.4.1　Quantity for acceptance inspection.

1　The sampling elements and sensitive elements exposed to high-temperature，high-pressure，negative-pressure，combustible，explosive，toxic and harmful media shall be inspected by 100%.

2　The sampling elements and sensitive elements exposed to middle-and lower pressure，normaltemperature innoxious media shall be randomly inspected by 30% according to the type of the sampling element and sensitive element.

3　100 % alloy steel material spectrum shall be re-inspected and recorded.

4.4.2　Installation of temperature measuring element.

1　Installation，inspection and acceptance of steam，water，oil pipe temperature measuring elements are detailed in Table 4.4.2-1.

2　Installation inspection and acceptance of sheathed thermocouple for non-fixing device for measuring metal wall temperature are detailed in Table 4.4.2-2.

3　Installation inspection and acceptance of sheathed thermocouple for staple sleeve device for measuring metal wall temperature are detailed in Table 4.4.2-3.

4　Installation inspection and acceptance of special thermal resistance for measuring metal wall temperature are detailed in Table 4.4.2-4.

5　Installation inspection and acceptance of temperature measuring elements for fume，air，pulverized coal pipe and equipment are detailed in Table 4.2.2-5.

4.4.3　Installation of pressure sampling element.

1　See Table 4.4.3-1　for installation inspection and acceptance of steam，water and oil pipe pressure sampling element.

2　Installation inspection and acceptance of pressure sampling element for fume，air and pulverized coal pipes are detailed in Table 4.4.3-2.

4.4.4　Installation of flow sensing element and instrumentation equipment.

1　Installation inspection and acceptance of nozzle and standard orifice plate are detailed in Table 4.4.4-1.

2　Installation inspection and acceptance of assemble-type long-neck nozzle are detailed in Table 4.4.4-2.

3　Installation inspection and acceptance of annubar flowmeter are detailed in Table 4.4.4.3.

4　Installation inspection and acceptance of wing speed measurement pipe are detailed in Table 4.4.4-4.

5　Installation inspection and acceptance of rotameter are detailed in Table 4.4.4-5.

6　Installation inspection and acceptance of oval gear flowmeter are detailed in Table 4.4.4-6.

7　Installation inspection and acceptance of target type flowmeter are detailed in Table 4.4.4-7.

8　Installation inspection and acceptance of turbine flowmeter are detailed in Table 4.4.4-8.

9　Installation inspection and acceptance of vortex（vortex street）flowmeter are detailed in Table 4.4.4-9.

10　Installation inspection and acceptance of electromagnetic flowmeter are detailed in Table 4.4.4-10.

11　Installation inspection and acceptance of ultrasonic flowmeter are detailed in Table 4.4.4-11.

4.4.5　Installation of level sensing element and instrumentation equipment.

1　Installation inspection and acceptance of differential pressure type sampling element for liquidlevel measurement are detailed in Table 4.4.5-1.

2　Installation inspection and acceptance of electrical contact water level gauge are detailed in Table 4.4.5-2.

3　Installation inspection and acceptance of float ball level meter are detailed in Table 4.4.5-3.

4　Installation inspection and acceptance of float-cylinder level meter are detailed in Table 4.4.5-4.

5　Installation inspection and acceptance of capacitance level meter are detailed in Table 4.4.5-5.

6　Installation inspection and acceptance of ultrasonic（radar）level meter are detailed in Table 4.4.5-6.

4.4.6　Installation of analytical sampling device.

1　Installation inspection and acceptance of zirconia oxygen-content analytical sampling device are detailed in Table 4.4.6-1.

2　Installation inspection and acceptance of steam-water analytical sampling device are detailed in Table 4.4.6-2.

3　Installation inspection and acceptance of gas analytical sampling device are detailed in Table 4.4.6-3.

4　Installation inspection and acceptance of furnace tube leak probe are detailed in Table 4.4.6-4.

5　Installation inspection and acceptance of fly ash carbon content measuring device are detailed in Table 4.4.6-5.

4.4.7　Installation of special instrument.

1　Installation inspection and acceptance of induced displacement measuring device are detailed in Table 4.4.7-1.

2　Installation inspection and acceptance of electromagnetic vibration measuring device are detailed in Table 4.4.7-2.

3　Installation inspection and acceptance of current vortex measuring device are detailed in Table 4.4.7-3.

4　Installation inspection and acceptance of magnetoelectric speed sensor are detailed in Table 4.4.7-4.

5　Installation inspection and acceptance of travel indicator measuring device are detailed in Table 4.4.7-5.

4.4.8　Installation of material weighing sensor.

1　Installation inspection and acceptance of electronic belt weigher are detailed in Table 4.4.8-1.

2　Installation inspection and acceptance of weigh bridge are detailed in Table 4.4.8-2.

4.4.9　Installation of monitoring and sensing element.

1　Installation inspection and acceptance of furnace flame camera are detailed in Table 4.4.9-1.

2　Installation inspection and acceptance of water level camera are detailed in Table 4.4.9-2.

3　Installation inspection and acceptance of flame detection and monitoring probe are detailed in Table 4.4.9-3.

4　Installation inspection and acceptance of camera are detailed in Table 4.4.9-4.