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3140 PDF даташит

Спецификация 3140 изготовлена ​​​​«IC Sensors» и имеет функцию, называемую «Signal Conditioner».

Детали детали

Номер произв 3140
Описание Signal Conditioner
Производители IC Sensors
логотип IC Sensors логотип 

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3140 Даташит, Описание, Даташиты
Model 3140
Signal Conditioned Accelerometer
0.5 to 4.5 VDC Output
Intergral Temperature Compensation
High Performance
Vibration/Shock Testing
Geophysical Monitoring
Modal Analysis
Structural Analysis
Elevator Ride Control
FEATURES
Bolt Mount
±0.5% Non-linearity (typical)
±2.0% Temperature Performance
DC Response
Built-in Damping
Built-in Overrange Stops
Low Power
STANDARD RANGES
Range
±2
±5
±10
±20
±50
±100
g
DESCRIPTION
The Model 3140 is a high performance accelerometer intended
for instrumentation applications. The 3140 provides a fully sig-
nal conditioned output with performance similar to traditional
instrumentation accelerometers but at a much lower cost.
The accelerometer consists of a silicon micro machined
accelerometer with signal conditioning electronics in a light-
weight Valox™ housing that can be easily attached to a mount-
ing surface.
The sensing element is a micro machined silicon mass sus-
pended by multiple beams from a silicon frame. Piezoresistors
located in the beams change their resistance as the motion of the
suspended mass changes the strain in the beams. Silicon caps on
the top and bottom of the device are added to provide over-
range stops. This design provides for a very low profile, high
shock resistance, durability and built-in damping over a wide
usable bandwidth.
A lower cost version of the 3140 is available for applica-
tions that do not require the temperature performance offered
with the 3140. Please refer to the Model 3145 for additional
information.
DIMENSIONS
2-32
Accelerometer – Amplified









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3140 Даташит, Описание, Даташиты
Signal Conditioned Accelerometer
Model 3140
PERFORMANCE SPECIFICATIONS
Supply Current: 12 VDC
Ambient Temperature: 25°C (Unless otherwise specified)
PARAMETERS
Frequency Response [MIN] See notes 2, 8
Mounted Resonant Frequency [MIN] See note 2
Sensitivity (Nominal)
±2G
0-200
450
1 V/g
±5G
0-300
600
400mV/g
RANGE
±10G
0-400
950
200mV/g
±20G
0-500
1500
100mV/g
±50G
0-600
2750
40mV/g
±100G
0-1500
3000
20mV/g
PARAMETERS
Full Scale Output Span
Zero Acceleration Output
Accuracy
Transverse Sensitivity
Temperature Error - Span (-20°C to +85°C)
Temperature Error - Zero (-20°C to +85°C)
Supply Voltage
Supply Current
Reference Voltage
Output Resistance
Output Noise
Output Load Resistance
Acceleration Limits
Operating Temperature
Storage Temperature
Weight (Including Cable)
MIN
3.92
2.46
8.0
5
-20°C to +85°C
-40°C to +125°C
13 Grams
Notes
1. The output voltage increases from the Zero Acceleration Output for
positive acceleration and decreases for negative acceleration. The
sensitivity is then 2V/Range. For example, the ±5g range has a
sensitivity of 2V/5g or 400mV/g.
2. Actual test data for this parameter is included on the calibration sheet
provided with each sensor.
3. Includes repeatability, hysteresis, and linearity (best fit straight line).
4. Compensated temperature range: -20°C to +85°C in reference to 25°C.
5. Pin 2 provides an optional 2.5V reference which may be used, if desired,
to provide a stable zero-g reference. Thus, the full scale differential
output between Pin 2 and Pin 4 would be ± 2 VDC. If a single ended
TYP
4.00
2.50
0.5
1.0
1.0
1.0
12.0
5.0
2.5
0.1
0.5
20X
MAX
4.08
2.54
1.0
3.0
2.0
2.0
30.0
UNITS
Volts
Volts
±% Span
±% Span
±% Span
±% Span
Volts
mA
Volts
mV p-p
k
Rated
NOTES
1, 2
1, 2
3
2, 4
2, 4
5
6
output signal is preferred (0.5-4.5 VDC), make no connection to Pin 2.
To avoid damage to the internal voltage regulator, do not connect Pin 2
to Pin 1 (gnd). Minimum load resistance connected to Pin 2 without
affecting output is 100 kΩ.
6. 10 Hz to 1 kHz.
7. To use an alternate electrical connector, refer to the following color code
for proper electrical connections: Pin 1 - Green; Pin 2 - Yellow;
Pin 3 - Red; Pin 4 - Blue; Pin 5 - Shield. Note: Removing the connector
voids the product warranty.
8. The useful frequency range is defined as the range of frequencies over
which the device sensitivity is within ±5% of the DC value.
ORDERING INFORMATION
3140 - 002
Acceleration Range
Model
CONNECTIONS
Accelerometer – Amplified
Feel free to contact customer service with any questions at
Toll free 1(800)745-8008; Phone (757)766-1500; Fax (757)766-4297
June 2001
2-33










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