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SM-550


 

The SM550 and SM1500 are two MEMS type, three-component acceleration sensors. Both have wide frequency response. The SM1500 model provides response from DC to 750Hz, while the SM550 model provides response DC to 50Hz. Many output rages are available for both models like +/-2g, +/-4g, +/-5g, +/-6g, +/-10g, +/-12g, are. Default sensitivity is 2.4V/g for the SM1500, and 1.2V/g for the SM550.

The SM1500 and SM550 accelerometers technology is based on a variable capacitor transducer and a feedback circuit that operates in a closed-loop configuration. The feedback force is controlled by an application-specific integrated circuit (ASIC) which provides high reliability and low output noise.

The SM1500 and SM550 sensors operates from a 12Vdc power supply that can range from 9Vdc to 18Vdc. The typical power consumption is 33mA. Acceleration output is differential analog, swinging between +/-5V. Other output voltages are avialable.

4-20mA current loop output is also available for both sensors

Brochure


Characteristics:

GENERAL SM1500 SM550
Number of channels 3 3
Orientation Vertical, NorthSouth,
East-West
Vertical, NorthSouth,
East-West
Power MEMS - Variable
capacitor transduce
and feedback circui
with close-loop
configuration.
MEMS - Variable
capacitor transduce
and feedback circui
with close-loop
configuration.
Bias Level 0V +\-100mV 0V +\-100mV
FEATURES
Range +/- 2g
+/- 5g
+/- 10g
+/- 2g
+/- 6g
 +/- 12g
Sensitivity 2.7 V/g 1.2 V/g
Noise 6ug rms/sqrt(Hz) 60ug rms/sqrt(Hz)
Bandwidth DC – 750Hz DC – 50Hz
PHYSICAL
Size 160 X 100 mm 160 X 100 mm
Weight 0.8kg 0.8kg
Mounting Floor or wall
mounting

 
Floor or wall
mounting

 
ENVIRONMENT
Temperature range -20 to +70°C -20 to +70°C
Humidity 100% IP67 100% IP67