sca121t-d03 VTI Hamlin, sca121t-d03 Datasheet

sca121t-d03

Manufacturer Part Number

sca121t-d03

Description

Stand Alone Inclinometer

Manufacturer

VTI Hamlin

Datasheet

1.SCA121T-D03.pdf (2 pages)

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Rev. 4 / 2 Nov 2006

Note 1

Note 2

Note 3

MEASURING DIRECTIONS

X-axis

Figure 1. Positions

Notes:

• It is important that the part is parallel to the mounting plane, and that the output equals the zero value when sensor is in zero position.

• Zero position: Please note the picture above which provides information on how the output of the accelerometer behaves in different

ELECTRICAL CHARACTERISTICS

Parameter

Supply voltage

Current consumption

Output load

PERFORMANCE CHARACTERISTICS

Parameter

Measuring range

Supply voltage

Measuring axis

Offset

Offset zero point error

Offset temperature error

Sensitivity

Sensitivity temperature error

Nonlinearity

Frequency response –3 dB

Cross-axis sensitivity

Typical values unless otherwise speciﬁ ed.

circumstances when assembled. Please also note that you can rotate the part around the measuring plane for optimum mounting location.

Mounting position 1

(Horizontal)

Mounting position 2

(Vertical)

(2, 5

Deviation

The measuring range is limited by the sensitivity and offset.

Offset speciﬁ ed as Output @ 0 °.

The frequency response is determined by the sensing element’s internal gas damping.

The output has true DC (0 Hz) response.

VTI Technologies reserves the right to modify this speciﬁ cation without prior to notice.

Negative incl.,

Condition

Unregulated or

regulated ratiometric

Resistive

Capacitive

Condition

(see “Directions”)

Output at 0 °

Max. deviation

0…70 °C

-25...85 °C

0…70 °C

-25...85 °C

Sinus output

Stand Alone Inclinometer

Zero position,

SCA121T-D03 SCA121T-D07 SCA121T-D05

SCA121T Series

Dual Axis Analog Output

FEATURES

• Silicon 3D MEMS sensor

• 0,1 ° accuracy

• Resolution < 0,001 °

• Operating temperature range -40...+85 °C

• Long term stability < 0,02 °

• Shock resistance >20 000 g

• Sensing element -3 dB @ 18 Hz

• Main dimensions: 30x30x13 mm size, single or dual axis

• Voltage output

• RoHS compatible

Min.

4.75

-0.8 ...0.3

-1.5 ...0.5

7 ...35

±0.2

±0.6

N/A

X-Y

2.5

Positive incl.

Typ

-0.8 ...0.3

-1.5 ...0.5

7 ...35

±0.2

±0.6

X-Y

2.5

0.1

Y-axis

Max.

5.25

Mounting position 1

Mounting position 2

Deviation

Note 4

Note 5

-0.8 ...0.3

-1.5 ...0.5

±0.2

±0.6

±0.25

N/A

X-Y

2.5

Units

The cross-axis sensitivity determines how much inclination, perpendicular to the measuring

axis, couples to the output.

For optimum zero point accuracy, mounting angle of the part can be adjusted.

kΩ

Positive incl.,

Applies to: -D03, -D07

Applies to: -D05

mV/°(@offset pos.)

For customised product please contact VTI Technologies

Units

V/g

BENEFITS

• Excellent long term stability

• Sensing element controlled frequency response

• Outstanding shock durability

• Harsh environment robustness

APPLICATIONS

• Platform tilt measurement

• Equipment and instrument condition monitoring

• Inclination based position measurement

• Rotational orientation measurement

Zero position,

Negative incl.

Earth’s gravity

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sca121t-d03 Summary of contents

Page 1

... Sensing element - • Main dimensions: 30x30x13 mm size, single or dual axis • Voltage output • RoHS compatible Min. Typ Max. Units 4. kΩ SCA121T-D03 SCA121T-D07 SCA121T-D05 ± ± ± ±0.25 7 ...35 7 ...35 5 X-Y X-Y X-Y 2.5 2.5 2 ±0.2 ±0.2 ± ...

Page 2

... The sensor module mounted on a ﬂ at and smooth surface with 2 screws, dimension M4. Mounting torque 5 ±1 Nm. VTI Technologies, Inc. One Park Lane Blvd. Suite 804 - East Tower Dearborn, MI 48126 USA Tel. +1 313 425 0850 Fax +1 313 425 0860 sales@vtitechnologies.com SCA121T Series ...

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