Carbon Dioxide (CO2) Sensor Modules from Amphenol Advanced Sensors
Amphenol Advanced Sensors has launched an extensive range of CO2 sensors. Telaire | Internal CO2 ……...
Models SA-207LN and SA-307LN from Columbia Servo Accelerometers are low-noise, high-sensitivity sensors used in seismic and low-level, low-frequency motion research. The accelerometers are self-contained and generate a high-level, low-impedance signal. In most cases, signal conditioning is unnecessary.
These multi-axis sensors, like the single-axis SA-107LN, provide readings in the low-frequency micro-G region. Apart from the usual DC-coupled zero output, the SA-207LN and SA-307LN Accelerometers also provide an AC-coupled zero output that removes tilt-induced or offset errors while also allowing for significant amplification of the fundamental output.
Note: Exports of accelerometers from the United States are subjected to the Export Administration Regulations (EAR) and/or the International Traffic in Arms Regulations (ITAR) authorization procedures.
Two or three axes
Ultra-low noise
Seismic event sensors
High-level output
Specifications
Operational
Table 1. Source: Columbia Research Laboratories, Inc.
Operational | SA-207LN | SA-307LN |
---|---|---|
Ranges Available | +0.1 G to +2 G | +0.5 G to +2 G |
Output Voltage | +7.5 Volts into 100 K Load | |
Excitation | +12 to +15 VDC<20 mA | +12 to +15 VDC<30 mA |
Output Impedance | <1000 Ohms | |
Sensitive Axis Alignment | Better Than 0.25 Deg | |
Scale Factor Tolerance | +1% | |
Scale Factor Temp Coefficient | 0.01% / Deg C Max. | |
Zero OutputA.C. CoupledD.C. Coupled | <5 mV<1 mG | |
Null Temp Sensitivity | 75 μV./ Deg C | |
Natural Frequency | 100 to 200 HzDependent Upon Range | |
Damping | 0.7 +0.1 | |
Cross Axis Sensitivity | 0.002 G/G Exclusive of Sensitive Axis Alignment | |
Output Noise | <2.5 μV RMS From 0 to 50 Hz | |
Non-Linearity | <+0.1% F.R. | |
Hysteresis & Non-Repeatability | <0.5 mG | |
Threshold & Resolution | Better Than 1 μG |
Environmental
Table 2. Source: Columbia Research Laboratories, Inc.
Environmental | SA-207LN | SA-307LN |
---|---|---|
Temperature, Operating | -40 to +80 Deg C | |
Temperature, Storage | -50 to +90 Deg C | |
Vibration Survival (2 to 2,000 Hz) | 5 G RMS, 0.5” Disp D.A. | |
Shock Survival | 200 G, 5 mSec (1/2 Sine) | |
Ambient Pressure | 0 to 5 Atmospheres | |
Humidity | 95% R.H. |
Physical
Table 3. Source: Columbia Research Laboratories, Inc.
Physical | SA-207LN | SA-307LN |
---|---|---|
Weight | 8 Oz (227 Gm) | 12 Oz (340 Gm) |
Size | 3.31 In L x 2.80 In W x 2.00 In H(8.4 cm L x 7.1 cm W x 5.1 cm H) | 4.06 In L x 3.13 In W x 2.13 In H(10.3 cm L x 7.9 cm W x 5.4 cm H) |
Case Material | Anodized Aluminum | |
Sealing | Environmental | |
Electrical Interface | 7 Terminal Pins | MS3443412-10P or Equiv. |
Optional Mating Connector | N/A | PT06A-12-10S(SR) |
SA-207LN Outline
Image Credit: Columbia Research Laboratories, Inc.
SA-307LN Outline
Image Credit: Columbia Research Laboratories, Inc.
Z Option
Image Credit: Columbia Research Laboratories, Inc.
I/O Terminal Pin Functions
Table 4. Source: Columbia Research Laboratories, Inc.
SA-207LN | SA-307LN | ||
---|---|---|---|
Pin | Function | Pin | Function |
A | +15 VDC | A | +15 VDC |
B | Ground | B | Ground |
C | -15 VDC | C | -15 VDC |
D | DC Output X | D | DC Output X |
E | AC Output X | E | AC Output X |
F | DC Output Y | F | DC Output Y |
G | AC Output Y | G | AC Output Y |
H | DC Output Z | ||
J | AC Output Z |
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