1.2 IL55BV2 Sensor The IL55/BV2 differs from the IL55 in so much as that it is possible to remove it from the process without the need to shut down or drain the line. This is due to the addition of a ball-valve mechanism enabling closure of the line and safe and easy removal of the sensor.
• Do not place the sensor in an area of no flow, as the suspended solids will settle out and not provide a representative reading. • Both the IL55 & IL55BV2 are removable from their mountings. It is therefore important to leave sufficient space around the instrument so as to enable removal.
IL55 and IL55BV2 Sensor Instruction Manual 2.1 Horizontal Pipelines When mounting either an IL55 or IL55BV2 Sensor in to a horizontal pipeline, the sensor should be mounted in the ideally horizontal or at an angle of up to 45 from the horizontal.
L55 and IL55BV2 Sensor Instruction Manual 3 Electrical Installation For details of the electrical connections for the IL55 and IL55BV2 Sensors, refer to the 7200 Monitor instruction manual. Cable Routing Care should be taken to ensure that the cable routing does not cause problems with the sensor measurement. Good engineering practice should be followed with particular attention being paid to the following points: •...
IL55 and IL55BV2 Sensor Instruction Manual 4 IL55BV2 Sensor The IL55BV2 sensor is designed to allow the sensor to be withdrawn while the pipeline is in operation. The ball valve allows the pipeline to be isolated while maintenance or calibration is carried out on the sensor.
L55 and IL55BV2 Sensor Instruction Manual Installation Procedure Figure 4 below shows all major parts of the IL55/BV2. Installation of the sensor is simplified if the sensor is firstly split into two parts, the ball valve section and the sensor shaft and body.
IL55 and IL55BV2 Sensor Instruction Manual 4.2 Sensor Removal The IL55BV2 can be removed without the need for de-pressurising or draining of the line. This is achieved by the use of the ball valve mechanism. The removal of the IL55BV2 sensor is the reverse procedure of the installation process as outlined in the previous section: 1.
L55 and IL55BV2 Sensor Instruction Manual 5 IL55 Sensor The IL55 sensor is designed to be used in applications where the IL55BV2 is ruled out for reasons of line pressure or space. The pipeline must be isolated and drained before removal of the sensor.
IL55 and IL55BV2 Sensor Instruction Manual 5.1 Sensor Removal The IL55 can only removed once the pipeline is de-pressurized and drained. Care must be taken to ensure that it is safe to remove the sensor before carrying out the procedure below: 1.
L55 and IL55BV2 Sensor Instruction Manual 6 Setup & Calibration The setup and calibration procedure is the same for both the IL55 and IL55BV2 Sensors, the operation of the monitor is described in the appropriate manual. In addition to the steps described in the monitor instruction manual the following precautions must be carried out with the IL55/IL55BV2 sensors to ensure accurate calibration.
IL55 and IL55BV2 Sensor Instruction Manual 7 Maintenance 7.1 Sensor Cleaning The frequency of cleaning and servicing of the sensor is dependant upon the application in which it is being used, and the conditions present on site. It is advisable that, if possible, the sensor is regularly observed in the period after installation.
8 Application Example: Sludge Density Monitor A common application for the IL55/IL55BV2 sensor is the in-line monitoring of Sludge Density in the outlet pipe of settlement tanks. The sensor in combination with either a 7200 or 8100/8200 monitor will detect the sludge density in the pipe, providing information that allows the user to control the de-sludging of the tank.
Application details • Description of fault • 10.1 Returning Equipment for Repair If equipment needs to be returned to Partech for repair or service the following address should be used: SERVICE DEPARTMENT PARTECH (ELECTRONICS) LTD CHARLESTOWN ST AUSTELL CORNWALL PL25 3NN UNITED KINGDOM Please include the following information with the returned equipment.
IL55 and IL55BV2 Sensor Instruction Manual 11 Technical Specification (should be last section) Physical Features Maximum Line Pressure....IL55 - 5 Bar IL55BV2 - 2 Bar Operating Temperature Range..0 to +50 ° C Storage Temperature Range..-20 to +60 ° C Environmental Rating....IP68 Cable Type........4 Core, Polyurethane.
L55 and IL55BV2 Sensor Instruction Manual 12 Appendix 1: Preparation of Formazin Turbidity Standard 12.1 Health & Safety Precautions The chemicals used when following this procedure are harmful, therefore the correct safety precautions must be carried out. During handling, avoid inhalation and contact with the eyes or skin. Wash hands thoroughly after use. Refer to the data sheets for further details of the chemicals used.
IL55 and IL55BV2 Sensor Instruction Manual 13 Appendix 2: Fuller's Earth The Fuller's Earth is supplied in a sealed 20g package, the package contains sufficient to make a 20,000 mg/l (20 g/l) solution when combined with 1 litre of water. Alternate solutions can be obtained by increasing the amount of water used as shown in the table below.
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L55 and IL55BV2 Sensor Instruction Manual 163790IM-Iss05 Issue Date 11/05/210 Page 21 of 22...
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