Summary of Contents for fann 441
- Page 1 Capillary Suction Timer Model 441 Instruction Manual Manual No. 204217, Revision G Instrument No. 103115155 Capillary Suction Timer Instruction Manual ©2013 Fann Instrument Company...
- Page 2 Printed in USA. The information contained in this document includes concepts, methods, and apparatus which may be covered by U.S. Patents. Fann Instrument Company reserves the right to make improvements in design, construction, and appearance of our products without prior notice.
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Page 3: Table Of Contents
Figure 3-1 Capillary Suction Timer .................. 7 Figure 4-1 Test Head and Sensor Tray ................9 Figure 4-2 Capillary Suction Timer Funnel ..............10 List of Tables Table 6-1 Capillary Suction Timer, Model 441, P/N 103115155 ........13 204217 Revision G, Septembert 2013... -
Page 4: Introduction
CST Instruction Manual Introduction The Capillary Suction Timer, Model 441 measures the filtration rate of free water in a fluid. The instrument contains a control cabinet that houses a timer and connects to the test head with electrodes. Fluid will contact and penetrate a thick, special grade paper (test blotter paper) that sits between the acrylic plates of the test head. -
Page 5: Document Conventions
CST Instruction Manual Document Conventions The following icons are used as necessary in this instruction manual. NOTE. Notes emphasize additional information that may be useful to the reader. CAUTION. Describes a situation or practice that requires operator awareness or action in order to avoid undesirable consequences. MANDATORY ACTION. -
Page 6: Safety
CST Instruction Manual Safety Safe laboratory practices and procedures should be observed while operating and maintaining the Capillary Suction Timer. This section lists some precautions to follow. If the instrument will be used on 115 volt AC power, plug the transformer into and AC receptacle and the jack into the back of the instrument case marked EXTERNAL POWER. -
Page 7: Features And Specifications
CST Instruction Manual Features and Specifications The Capillary Suction Timer, Model 441 consists of a control cabinet with a digital timer, test head, funnel (sample cell), test blotter paper, and 5-ml syringes. See Figure 3-1 and Table 6-1. The control cabinet functions are as follows:... -
Page 8: Test Procedure
CST Instruction Manual Test Procedure If the instrument will be used on 115 volt AC power, plug the 12V AC/DC adapter into an AC/DC jack as indicated in the below picture. Make sure the transformer and cable to the Capillary Suction Timer are in good condition. -
Page 9: Figure 4-1 Test Head And Sensor Tray
CST Instruction Manual 3. Place test blotter paper on top of the sensor tray and under all three pins as shown in Figure 4-1. Place the sensor plate, probe side down on top of the test blotter paper, engaging the two alignment pins. Figure 4-1 Test Head and Sensor Tray The test blotter paper is large enough to extend beyond the sensor pins and the scribed sensor area on the sensor head. -
Page 10: Figure 4-2 Capillary Suction Timer Funnel
CST Instruction Manual 4. Select appropriate funnel diameter and insert it into the test head. Choose either of these sizes: a. 1 cm (0.394 in.) diameter funnel opening for fast filtering systems b. 1.8 cm (0.708 in.) diameter funnel opening for slow filtering systems Figure 4-2 Capillary Suction Timer Funnel 5. - Page 11 CST Instruction Manual 11. Remove the funnel and test blotter paper. 12. Clean and dry sensor plate, sensor bottom, and funnel. For additional measurements, repeat the procedure. 13. Depress the red power switch to turn the unit off. If you want to run another test, then the green right arrow key should be depressed which will reset the timer to 0.0 seconds.
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Page 12: Troubleshooting And Maintenance
Troubleshooting and regular maintenance procedures are described in this section. If more extensive maintenance or service of the instrument is required, please contact Fann Instrument Company. Keep the test head clean and dry. Occasionally clean the probes by drawing the block carefully with a slight downward pressure over the test blotter paper laid on a flat surface. -
Page 13: Parts List
• Place a new battery in the drawer with terminals to the open end, plus (+) battery terminal to the left as shown in the bottom of the drawer. • Replace the drawer in the instrument. Parts List Table 6-1 Capillary Suction Timer, Model 441, P/N 103115155 Part No. Quantity Description... -
Page 14: Warranty And Returns
Returns For your protection, items being returned must be carefully packed to prevent damage in shipment and insured against possible damage or loss. Fann will not be responsible for damage resulting from careless or insufficient packing. Before returning items for any reason, authorization must be obtained from Fann Instrument Company.
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