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Summary of Contents for JEWELL 755
- Page 1 USER’S MANUAL MINIATURE TILT SENSOR Serial No.________________ 850 Perimeter Road Manchester, NH 03103 USA Tel (603) 669-6400 Fax (603) 622-2690 sales@jewellinstruments.com www.jewellinstruments.com Copyright ©2013 by Jewell Instruments LLC. All rights reserved. B-92-1003, Rev. G...
- Page 2 WARNING: NEVER APPLY DC CURRENT THROUGH THE TILT TRANSDUCERS! NEVER USE AN OHMMETER TO TEST THE TRANSDUCERS! DOING SO WILL CAUSE PERMANENT DAMAGE THAT IS NOT COVERED BY THE WARRANTY. B-92-1003, Rev. G...
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Page 3: Table Of Contents
Figure 1: Model 781 Signal Conditioning Unit w/Model 755-1172 Miniature Tilt Sensor ..8 Figure 2: 755 Series High Gain, & 756 Series Mid-Range Miniature Tilt Sensors ....9 Figure 3: Mounting Hole Patterns for Miniature Tilt Sensors ..........10 Figure 4: Electrolevel Physical Characteristics .............. -
Page 4: Introduction
Please contact the factory for more information on these products. 2 - MECHANICAL DESCRIPTION Series 755 and 756 Miniature Tilt Sensors are supplied in five standard sensor housings (Figures 2 and 3). In addition, special housing shapes, sizes, and materials are available upon customer request. - Page 5 Model 84800 will drive its analog voltage output signals over cable lengths longer than 300m. Four mounting holes allow easy packaging in OEM and end-user assemblies. This circuit is an excellent match four our high-precision 755 and 756 Series sensors and for all of our other miniature Tilt Sensors.
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Page 6: General Specifications
Series 756: 5 microradians (1 arc second) LINEARITY Series 755: within 0.1 arc minute at an angle of ±10 arc minutes, within 0.5 arc minute at an angle of ±20 arc minutes; Series 756: within 0.03 degree at an angle of ±3 degrees. -
Page 7: Routine Maintenance
Apart from the checks outlined here, your Miniature Tilt Sensor is not field-serviceable. If you should encounter any problems, please contact Jewell Instruments LLC in Manchester, New Hampshire at telephone (603) 669-6400, or fax (603) 622-6290. A sales representative will be pleased to assist you. -
Page 8: Physical Characteristics: Series 755 High-Gain Miniature Tilt Sensors
TABLE 1 Physical Characteristics: Series 755 High-Gain Miniature Tilt Sensors MODEL CHANNELS MOUNTING DIMENSIONS WEIGHT 1.98" dia. cylinder Horiz. surface or vert. tube; -1129 2 tilt, 1 temp. x .75" high 4 oz. (114g) hole dia. = 0.18" (4.5 mm) (50.3 x 19.1 mm)_... -
Page 9: Figure 1: Model 781 Signal Conditioning Unit W/Model 755-1172 Miniature Tilt Sensor
FIGURE 1 Model 781 Signal Conditioning Unit with Model 755-1172 Miniature Tilt Sensor. B-92-1003, Rev. G... -
Page 10: Figure 2: 755 Series High Gain, & 756 Series Mid-Range Miniature Tilt Sensors
FIGURE 2 Model 755 Series (High-Gain), and Model 756 (Mid-Range) Miniature Tilt Sensors B-92-1003, Rev. G... -
Page 11: Figure 3: Mounting Hole Patterns For Miniature Tilt Sensors
FIGURE 3 Mounting Hole Patterns for Miniature Tilt Sensors B-92-1003, Rev. G... -
Page 12: Figure 4: Electrolevel Physical Characteristics
FIGURE 4 Electrolevel Physical Characteristics FIGURE 5 Electrolevel Electrical Characteristics B-92-1003, Rev. G... -
Page 13: Figure 6: Basic Signal Conditioning: One Electrolytic Sensor
FIGURE 6 Basic Signal Conditioning: One Electrolytic Sensor B-92-1003, Rev. G... -
Page 14: Figure 7: Basic Signal Conditioning: Two Electrolytic Sensors
FIGURE 7 Basic Signal Conditioning: Two Electrolytic Sensor B-92-1003, Rev. G... -
Page 15: Appendix A - Warranty And Assistance
Jewell Instruments LLC. No other warranty is express or implied. The warranty is void if the equipment is subjected to lightning strikes, or other large potential gradients, or if it is otherwise operated in a manner contrary to its specified use. -
Page 16: Appendix B - Custom Specifications
APPENDIX B - Custom Specifications (For your miniature tilt sensor) Serial No.:____________ Model No.:____________-____________ Uniaxial: ____________ Biaxial: _____________ Transducer Wire Color Coding The wires of the tilt sensors shipped with this user's manual are labeled as follows: Sensor Serial No.____________ Sensor Serial No.____________ Sensor Serial No.___________ Function Wire Color Function... -
Page 17: For Your Equipment
Your Signal Conditioning Unit has been calibrated for operation with the tilt transducers listed above. However, it will operate any Jewell Instruments tilt transducer. If you purchase new tilt transducers for use with this SCU, they should be calibrated with this unit prior to use. -
Page 18: Appendix C - Lm35 Temp. Sensor
B-92-1003, Rev. G... -
Page 19: Appendix D - Revisions
APPENDIX C - Revision Table REV. PAGE NOS. ECN NO. DESCRIPTION OF CHANGE DATE "Jewell" was "Applied Geomechanics" 25055 2/05/13 Added Appendix C for revision record 2,3,5,8, 26587 Deleted models 757 & 758 tiltmeter refs. 8/19/14 12 & 13 27086...
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