SCL1700 VTI | Alldatasheet

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Technical content

Rev. 10 Sept 2004 VTI Technologies reserves the right to modify this specification without prior to notice. SCL1700 Series Inclinometer Subassembly

FEATURES

  • Available range: ±10 °
  • DC…3 Hz sensing bandwidth (controlled frequency response)
  • Easy to use and design in
  • 0.001 ° resolution analogue output
  • 0.2 ° accuracy
  • Dual axis inclination measurement
  • Advanced failure detection BENEFITS
  • Excellent long term stability
  • Sensing element filtered high frequency vibration
  • Outstanding shock durability

APPLICATIONS

  • Platform tilt measurement
  • Equipment and instrument condition monitoring
  • Inclination based position measurement Note 1. The measuring range is limited by sensitivity, offset and supply voltage rails of the device. Note 2. Offset specified as Voffset = Vout(@0 °) [V]. Note 3. +15 V supply voltage used in calibration and testing. Note 4. Offset calibration error specified as Offset_Calib_error = arcsin(Offset_Calib_error_in_g) [ ° ], Offset_Calib_error_in_g = {Vout(@0 °) – 2.5 V} / Vsens [g], Vsens=11.46 V/g. Note 5. Offset temperature error specified as Offset_Error_@_temp. = arcsin(Offset_Error_@_temp_in_g) [ ° ], Offset_Error_@_temp_in_g = {Vout @ temp. – Vout @ room temp.} / Vsens [g], Vsens=11.46 V/g. Note 6. Sensitivity target in calibration Vsens _nom 11.46 V/g (--> 200 mV/°) Sensitivity specified as Vsens = {Vout(@+10 °) - Vout(@+10 °)}/(2*sin(10 °) g) [V/g]. Note 7 . Sensitivity calibration error specified as Sensitivity_calibr_error = {Vsens - Vsens_nom} / Vsens_nom x 100 % [%], Vsens_nom = nominal sensitivity. Note 8. Sensitivity temperature error specified as Sensitivity_temp_error = {Vsens @ temp – Vsens @ room temp} / Vsens @ room temp} x 100 % [%]. Note 9. From best fit sine-function to output through –10 ° and +10 °. For customized product please contact VTI Technologies

ELECTRICAL CHARACTERISTICS

Parameter Condition Min Typ. Max Units Supply voltage (1 7 15 28 V Current consumption 4.5 mA Output load Resistive T.B.D kOhm Capacitive T.B.D. nF Operating temperature -40 85 °C Mechanical shock 1 m drop on concrete 20 000 g PERFORMANCE CHARACTERISTICS Parameter Condition SCL1700-D01 Units Measuring range (1 ±10 ° Measuring axis (See “Directions”) X-Y Offset(2,3 Output at 0 ° 2.5 V Offset calibration error (3,4 ±0.1 ° Offset temperature error (3,5 0…70 °C ±0.2 ° -25…85 °C ±1 ° Sensitivity (3,6 @ 0 ° (offset position) 200 mV/° Sensitivity calibration error(3,7 ±1 % Sensitivity temperature error(3,8 0…70 °C ±0.5 % -25…85 °C ±1 % Nonlinearity (9 ±0.03 ° Frequency responce -3 dB 1...3 Hz Output noise DC...10 Hz 0.001 ° Typical values @ room temperature, 15 V supply unless otherwise specified. Preliminary

The sensor module is to be mounted with 4 screws, dimension M3. SCL1700 Series ELECTRICAL CONNECTION Name Fuction Connector pin Vcc Power supply, 7 - 28 V 1 NC Internally not connected 2 GND Ground 3 OutX Analoque X-direction output 4 OutY Analoque Y-direction output 5 NC Internally not connected 6 Connector: Molex, Pcoflex PF-50 MEASURING DIRECTIONS OUTPUT SIGNAL Notes:

  • It is important that the part is mounted horizontally. Measuring axes are X and Y according to above figure.
  • Above figures provide information on how the output of the inclinometer behaves in different circumstances. Please also note that you can rotate the part around the measuring plane for optimum mounting location.
  • PCB Material: FR4
  • PCB thickness: 1.6 mm
  • Size: 45 mm x 45 mm
  • Height: max 10 mm
  • Mounting holes: Ø 3.5 mm
  • Weight: < 10 g
  • Connector: Molex, Picoflex PF-50, 1.27 mm pitch, mates with Molex 90327 Sensor Connector y-axis x-axis + Earth’s gravity VTI T echnologies Oy Myllynkivenkuja 6 P .O. Box 27 FI-01621 Vantaa Finland T el. +358 9 879 181 Fax +358 9 879 18791 sales@vti.fi VTI T echnologies Oy Frankfurt Branch Rennbahnstr . 72-7 4 D-60528 Frankfurt am Main Germany T el. +49 69 6786 880 Fax +49 69 6786 8829 sales.de@vti.fi VTI T echnologies, Inc. One Park Lane Blvd. Suite 804 - East T ower Dearborn, MI 48126 USA T el. +1 313 425 0850 Fax +1 313 425 0860 sales@vtitechnologies.com Mechanical dimensions in mm. 45.00 mm 38.00 mm 45.00 mm38.00 mm Pin# 1 Pin# 6 MOUNTING