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Summary of Contents for TSI Incorporated DP-CALC 8704
- Page 1 Model 8704 DP-C Micromanometer Operation and Service Manual September 1998 P/N 1980261 Rev C...
- Page 3 DP-C Micromanometer Operation and Service Manual September 1998 P/N 1980261 Rev C SHIP TO: MAIL TO: TSI Incorporated TSI Incorporated 500 Cardigan Road P.O. Box 64394 Shoreview, MN 55126-3996 St. Paul, MN 55164-0394 U.S. INTERNATIONAL Sales and Customer Service:...
- Page 4 Copyright TSI Incorporated/September 1998/All rights reserved. Address TSI Incorporated/P.O. Box 64394/St. Paul, MN 55164/USA Fax No. (651) 490-2874 LIMITATION OF WARRANTY AND LIABILITY. Seller warrants that this product, under normal use and service as described in the operator's manual, shall be free from defects in workmanship and material for a period of twenty-four (24) months, or the length of time specified in operator's manual, from the date of shipment to the customer.
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Page 5: Table Of Contents
CONTENTS Chapters 1. UNPACKING AND PARTS IDENTIFICATION ....1 Parts Identification ..............1 2. SETTING-UP................. 3 Supplying Power to the DP-C .......... 3 Installing the Batteries............. 3 Using the Optional AC Adapter........3 Selecting the Display Units............ 3 Setting the Real-Time Clock..........3 Connecting the Optional Model 8925 Portable Printer.. - Page 6 4. MAINTENANCE ..............11 Recalibration................11 Cases...................11 Storage ................11 5. TROUBLESHOOTING ............13 APPENDICES A. SPECIFICATIONS...............15 B. DIP SWITCH SETTINGS ............17 Available Application Notes • Traversing a Duct to Determine Average Air Velocity or Volume ............#TI-106 • Using DP-C for Pressure Measurements....#TI-113 To obtain any of the listed Application Notes contact TSI at U.S.
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Page 7: Chapters
Chapter 1 Unpacking and Parts Identification Carefully unpack the instrument and accessories from the shipping container. Check the individual parts against the list of components in Table 1. If any are missing or damaged, notify TSI or your local distributor immediately. -
Page 9: Setting-Up
Chapter 2 Setting-Up Supplying Power to the DP-C The DP-C can be powered in one of two ways: four size AA batteries or the optional AC Adapter. Installing the Batteries Insert four AA batteries as indicated by the diagram located on the inside of the battery compartment. -
Page 10: Connecting The Optional Model 8925 Portable Printer
To set the time and date, press and hold the SAMPLE key during the power- up sequence immediately after the time of day is displayed. The DP-C will beep once to indicate when the SAMPLE key should be pressed. Release key when the DP-C beeps again. -
Page 11: Operation
Chapter 3 Operation Overview The Model 8704 DP-C measures differential pressure, calculates velocity, and calculates volumetric flow rate. It has data storage capability and can store individual readings and calculate statistics. Keypad Functions When pressing the keys on the front panel, the DP-C will beep to confirm the function. -
Page 12: Zeroing Pressure
Zeroing Pressure If the zero reading of pressure has drifted, the pressure function can be easily re-zeroed. To reset the zero, make sure that both pressure ports are exposed to ambient pressure. Press and hold the PRESSURE key down for at least three seconds. The DP-C will beep and the display will show “0 in. -
Page 13: Flow Rate (Calculated Using Pressure And Flow Factor)
and down arrow keys (!") to select the vertical dimension, then press the FLOWRATE key. To choose the K factor of the flow rate area, use the up and down arrow keys (!") , then press the FLOWRATE key to accept the K factor and begin measuring flowrate. -
Page 14: Sample Key
down. The available time-constant choices ( 1, 5, 10, 15 and 20 seconds) will sequence on the display. When the desired value is displayed immediately release the key. The DP-C will always reset the time constant to 1 second when turned off. The time-constant is actually an averaging period. -
Page 15: Recalling Data
Incrementing the test ID number in these situations ensures that the statistics for each test ID are calculated for a group of samples that share the same measurement parameters. You may not go back to a previous test ID and enter more samples. Once the test ID is incremented, the data stored in the previous test IDs cannot be changed in any way. -
Page 16: And " Keys
is displaying any statistic, pressing the PRINT key will When the DP-C cause the current statistics to print. All statistics are printed as a set regardless of which one is currently displayed. Press and hold the PRINT key until the countdown reaches zero and beeps to print all values stored in memory. -
Page 17: Maintenance
Chapter 4 Maintenance The DP-C requires very little maintenance to keep it performing well. Recalibration To maintain a high degree of accuracy in your measurements, we recommend that you return your DP-C to TSI for annual recalibration. For a reasonable fee, we will quickly recalibrate the unit and return it to you in “as new”... -
Page 19: Troubleshooting
Chapter 5 Troubleshooting Table 3 lists the symptoms, possible causes, and recommended solutions for common problems encountered with the DP-C . If your symptom is not listed, or if none of the solutions solves your problem, please contact TSI. Table 3. Troubleshooting the DP-C Symptom Possible Causes Corrective Action... -
Page 21: Specifications
Appendix A Specifications Specifications are subject to change without notice. Specifications in parentheses () indicate metric equivalents. PRESSURE: Range: -5 to +15 in. H O (-1245 to 3735 Pa, -9.3 to 28.0 mm Hg) Accuracy: 1% of reading ± 0.005 in. H O (±1 Pa, ±0.01 mm Hg) VELOCITY: Range... -
Page 23: Dip Switch Settings
Appendix B DIP Switch Settings To access the DIP switches, remove the batteries from the battery compartment. On the inside of the battery compartment, there is a window with eight DIP switches. The table below shows the functions for each switch.
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