3140-100 [ETC]
Signal Conditioner ; 信号调理\n
| 型号： | 3140-100 |
| 厂家： | 
ETC |
| 描述： | Signal Conditioner
|
| 文件： | 总2页 (文件大小：81K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Model 3140
ꢀ Vibration/Shock Testing
ꢀ Geophysical Monitoring
ꢀ Modal Analysis
ꢀ Structural Analysis
ꢀ Elevator Ride Control
Signal Conditioned Accelerometer
0.5 to 4.5 VDC Output
Intergral Temperature Compensation
High Performance
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.
FEATURES
ꢀ Bolt Mount
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.
ꢀ ±±05% Non-linearity (typical)
ꢀ ±ꢀ0±% Temperature Performance
ꢀ DC Response
ꢀ Built-in Damping
ꢀ Built-in Overrange Stops
ꢀ Low Power
DIMENSIONS
STANDARD RANGES
Range
±ꢀ
g
●
●
●
●
●
●
±5
±ꢁ±
±ꢀ±
±5±
±ꢁ±±
2-32
Accelerometer – Amplified
Signal Conditioned Accelerometer
PERFORMANCE SPECIFICATIONS
Model 3140
Supply Current: 12 VDC
Ambient Temperature: 25°C (Unless otherwise specified)
RANGE
PARAMETERS
±±G
±-ꢀ±±
45±
±5G
±-3±±
6±±
±ꢀ0G
±-4±±
95±
±±0G
±-5±±
±50G
±ꢀ00G
±-ꢁ5±±
3±±±
Frequency Response [MIN] See notes ꢀ, 8
Mounted Resonant Frequency [MIN] See note ꢀ
Sensitivity (Nominal)
±-6±±
ꢀ75±
ꢁ5±±
ꢁ V/g
4±±mV/g
ꢀ±±mV/g
ꢁ±±mV/g
4±mV/g
ꢀ±mV/g
PARAMETERS
MIN
309ꢀ
ꢀ046
TYP
MAX
40±8
ꢀ054
ꢁ0±
UNITS
NOTES
ꢁ, ꢀ
ꢁ, ꢀ
3
Full Scale Output Span
Zero Acceleration Output
Accuracy
40±±
ꢀ05±
±05
Volts
Volts
±% Span
±% Span
±% Span
±% Span
Volts
Transverse Sensitivity
Temperature Error - Span (-ꢀ±°C to +85°C)
Temperature Error - Zero (-ꢀ±°C to +85°C)
Supply Voltage
ꢁ0±
30±
ꢁ0±
ꢀ0±
ꢀ, 4
ꢀ, 4
ꢁ0±
ꢀ0±
80±
ꢁꢀ0±
50±
3±0±
Supply Current
mA
Reference Voltage
ꢀ05
Volts
5
6
Output Resistance
±0ꢁ
Ω
Output Noise
±05
mV p-p
kΩ
Output Load Resistance
Acceleration Limits
5
ꢀ±X
Rated
Operating Temperature
Storage Temperature
Weight (Including Cable)
-ꢀ±°C to +85°C
-4±°C to +ꢁꢀ5°C
ꢁ3 Grams
Notes
ꢁ0 The output voltage increases from the Zero Acceleration Output for
positive acceleration and decreases for negative acceleration0 The
sensitivity is then ꢀV/Range0 For example, the ±5g range has a
sensitivity of ꢀV/5g or 4±±mV/g0
output signal is preferred (±05-405 VDC), make no connection to Pin ꢀ0
To avoid damage to the internal voltage regulator, do not connect Pin ꢀ
to Pin ꢁ (gnd)0 Minimum load resistance connected to Pin ꢀ without
affecting output is ꢁ±± kΩ.
ꢀ0 Actual test data for this parameter is included on the calibration sheet
provided with each sensor0
60 ꢁ± Hz to ꢁ kHz0
70 To use an alternate electrical connector, refer to the following color code
for proper electrical connections: Pin ꢁ - Green; Pin ꢀ - Yellow;
Pin 3 - Red; Pin 4 - Blue; Pin 5 - Shield0 Note: Removing the connector
voids the product warranty0
30 Includes repeatability, hysteresis, and linearity (best fit straight line)0
40 Compensated temperature range: -ꢀ±°C to +85°C in reference to ꢀ5°C0
50 Pin ꢀ provides an optional ꢀ05V reference which may be used, if desired,
to provide a stable zero-g reference0 Thus, the full scale differential
output between Pin ꢀ and Pin 4 would be ± ꢀ VDC0 If a single ended
80 The useful frequency range is defined as the range of frequencies over
which the device sensitivity is within ±5% of the DC value0
ORDERING INFORMATION
CONNECTIONS
3140 - 002
Acceleration Range
Model
June ꢀ±±ꢁ
Feel free to contact customer service with any questions at
Toll free 1(800)745-8008; Phone (757)766-1500; Fax (757)766-4297
Accelerometer – Amplified
2-33
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