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Summary of Contents for Ocean Insight LTMS
- Page 1 LTMS Liquid Transmission Measurement System Installation and Operation Manual For Products: LTMS...
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Page 3: Table Of Contents
Every effort has been made to make this manual as complete and as accurate as possible, but no warranty or fitness is implied. The information provided is on an “as is” basis. Ocean Insight shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this... -
Page 4: Before You Get Started
Before You Get Started Warnings & Cautions Cautions Caution: Never let the flow-cell sit empty, always keep it full of clean water when not in use. This is to reduce deposits from building up on the flow-cell surface. Caution: Never use with liquids warmer than 60°C. Caution: Never operate the fluid handling system with the guards removed. -
Page 5: Warranty
ISO Certification Ocean Insight, the industry leader in miniature photonics, has been certified for ISO 9001:2015 certification applicable to the design and manufacture of electro-optical equipment. MNL-1017 Rev A... -
Page 6: Introduction
Ocean Insight. The LTMS software is designed for industrial settings and provides a simple client-server interface for operation over either ethernet or serial communications (RS-232/RS-485). This interface is straightforward, human-readable, and may be customized for specific applications. - Page 7 Serial Flow-Cell Ethernet Pinch Valve (Water) Pinch Valve (Sample) Peristaltic Pump Peristaltic Pump (Water) (Sample) 4-Way fitting Wye fitting Pinch Valve (Waste) Sample Inlet Water Inlet Waste Figure 1 The fully assembled LTMS System with parts labeled. MNL-1017 Rev A...
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Page 8: Operation
Operation This section will guide the user through the general operation of the LTMS. The system must be assembled, installed, powered up, and connected to the software prior to operation. Ensure the proper installation of fluid handling lines installed in the appropriate tanks: clean water and sample ensuring no leaks are visible. -
Page 9: Calibration
Calibration • Set the “Fluid Handling” toggle button to “On” if you want to use the fluid handling. • Set the IP Address. o 10.14.15.x o X is the serial number • Press “Connect to LTMS. MNL-1017 Rev A... - Page 10 • When the system is connected, the “Connect to LTMS” button will be GREEN and the text will change to “Disconnect LTMS”. • Let the system warm up for 45 minutes or more. • Ensure the water inlet tube is installed in a vessel of clean water. The clean water should be as clean as possible, distilled or RO water is preferred.
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Page 11: Verify Calibration
Verify Calibration • Press “Sample to Water”. • Press “Measure” • Verify that the temperature did not change more than 0.2°C. o Calibration and Current temps should be within 0.2°C for each spectrometer (S0 and Ref). See arrows. • Make sure transmission measurement is between 99.5% and 100.5% at all wavelengths... -
Page 12: Make Sample Measurement
Make Sample Measurement • Load Model o Enable Concentration Mode by toggling the switch above “Conc. Mode” as seen in the screenshot. o Load sample model file Setup Data Saving • o Enable saving data o Select directory for data files •... -
Page 13: Make Multiple Measurements
Make Multiple Measurements • Enter the number of measurements you want to make in the “Reps” field. • Enter the desired delay time, in seconds, between measurements. • Check “Auto Fluid Handling” and the system will run the following sequence for each measurement. o “Sample to Water”... -
Page 14: Cleaning The Flow-Cell
Cleaning the Flow-Cell A clean flow-cell is important for accurate measurements. Scale, debris, scratches, and other detritus can degrade the signal. If the flow-cell is chipped, scratched, or the transparency is otherwise compromised it will need to be replaced. To prevent unnecessary replacement, ensure your flow-cell is clean after use. -
Page 15: Tubing Replacement
Tubing Replacement Over time, the tubing used in the LTMS may become damaged and need to be replaced. Here are the instructions for maintenance and tubing replacement. • Required Tools • Scissors or sharp cutters (something to cleanly cut the tubing) Required supplies •... -
Page 16: Remove Tubing
Prior to removing, or servicing, the tubing ensure that the fluid handling system is not running. Power to the fluid handling system should be off or disconnected. All tubing in the LTMS system is replaceable. Prior to installing new tubing, remove all old tubing except the flow-cell and tubing directly coupled to the flow-cell. - Page 17 Peristaltic Pumps Remove the old tubing, grommet, and Remove the 3 thumb screws and the Unhook the tubing at the check valve clip. plastic cover. and the wye. MNL-1017 Rev A...
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Page 18: Disassembling The Old Pump Tubing
Disassembling the Old Pump Tubing The retention clip and grommet can be reused. If you plan to use a new retention clip and grommet, skip to the Assembling the New Tubing section below. To remove the retention clip and grommet for reuse: •... -
Page 19: Assembling The New Pump Tubing
Assembling the New Pump Tubing • Cut a 27 cm piece to new tubing. Slide the rubber grommet onto the tube as shown below. • Leave about 1.5 cm of tubing protruding. • • A drop of water can be used to aid in sliding the grommet on if necessary. •... -
Page 20: Installing New Tubing
Installing New Tubing Cut a 15.5 cm piece of tubing and install here. Cut a 13.5 cm piece of tubing and install here. Attach the bottom of the tubing to the 4-way fitting at the bottom as shown. MNL-1017 Rev A... - Page 21 Cut two 2.5 cm pieces of tubing and install below the pumps. Install check valves in the direction shown where the arrow indicates flow direction. MNL-1017 Rev A...
- Page 22 Cut two 18.0 cm pieces of tubing. Install the rubber grommet and clip on one end of each piece. Install the other end of each piece onto the check valves installed in the previous step. Install each piece into the peristaltic pump by rotating the pump (counter-clockwise for the left-hand pump, and clockwise for the right- hand pump) and pressing the tubing into the...
- Page 23 Attach a wye fitting to the grommet end of the pump Replace the pump covers with three thumb screws each. tubing for both pumps. Cut two 15.0 cm pieces of tubing and attach to the other side of the wye fitting. Install the other end of the tubing into the pinch valve.
- Page 24 Cut an 8 cm piece of tubing and attach to the wye fitting on the left side. Attach a check valve in the orientation shown below to the bottom of the tubing. Cut an 11 cm piece of tubing and attach to the wye fitting on the right side.
- Page 25 Cut two 3 cm pieces of tubing and attach to the check Cut an 18 cm piece of tubing and attach to the bottom valves. of the wye. Attach the other end of the tubing to the barbs installed on Insert the tubing into the drain (some will poke out of the system plate.
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Page 26: Flow-Cell Changeover Procedure
Flow-cell Changeover Procedure Remove the strain relief brackets held by M2 SHCS, one bracket at a time, and detach the tubing from the glass flow-cell by gently pulling along the long axis of the flow-cell to prevent breaking the glass tube. MNL-1017 Rev A... - Page 27 Remove the four M2 SHCS from the flow-cell mounting block. The flow-cell mounting block can now be removed. MNL-1017 Rev A...
- Page 28 Install the new flow-cell assembly. Note that there are two dowel pins installed on the measurement cover that align to a hole and slot on the underside of flow-cell block. Verify the mount is flush with the measurement head cover. Then fasten into position using the four M3 SHCS.
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Page 29: Troubleshooting
Sometimes things do not go to plan. If not, do not hesitate to contact us and our Tech Support team will leap into action. Some typical questions are answered here. For more information, consult the FAQs on the Ocean Insight website. -
Page 30: Specifications
Specifications Sensor Only Sensor with Integrated Pump PHYSICAL Dimensions (mm): 180 x 160 x 100 980 x 410 x 460 Weight (kg): Sample interface: Flow-cell or cuvette holder; customized hard fixturing also available SPECTROSCOPIC Wavelength range: 400-700 nm Optical resolution (FWHM) 1.0 nm Signal-to-noise ratio at full signal: ~8000:1*... - Page 31 Questions? Chat with us at OceanInsight.com. info@oceaninsight.com • +1 727-733-2447 EUROPE +31 26-3190500 • ASIA +86 21-6295-6600 MNL-1017 Rev A...
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