Catalog excerpts
MEMS Capacitive Accelerometer ► Uniaxial ► MF (Medium Frequency; DC to 2.5 kHz ► 4 Wire System ► Amplified Output ► Aluminium Housing / Stainless Steel Housing ► Made in Germany Features ► Range: ±2g to ±200g ► DC Response ► Gas Damped ► Excellent Bias and Scale Factor Stability ► Low Power Consumption ► Differential Mode Options ► Customised Cable Length ► Customised Connector ► TEDS Module Applications ► Structural Monitoring and Testing ► Endurance Testing ► Brake Test ► Vibration Monitoring ► Civil Engineering ► Modal Analysis ► Vehicle Testing ► Automotive Ride Quality & Comfort ► Railway Engineering ► Flutter Test ► Seismic Monitoring ► Tilt Measurements Capacitive MEMS Technology ASC's Medium Frequency (MFseries) capacitive accelerometers are based on the capacitive sensing technology and produce an analog voltage proportional to the input acceleration. The accelerometers can measure both static (gravity) and dynamic accelerations. ASC's MF series can be used for very low to medium frequency vibration measurements from 0Hz to 2.5kHz. The MF series features a MEMS sensor element where the seismic mass is connected between two conductive capacitor plates. When subjected to an input acceleration, the seismic mass oscillates between the two capacitor plates and there is a change in the capacitance. This change in capacitance is converted via an ASIC (Application Specific Integrated Circuit) into a low impedance analog voltage output signal. Description ASC's MF series capacitive accelerometers, 4321MF and 4325MF, are analog voltage output sensors. The sensors can be powered by a DC power supply (+5V to +40V) where the output voltage is independent of the supply. The sensors operate in a differential configuration with ±2.7V full-scale output. For the full-scale acceleration range, the output swings between 0.3V and 3V. The differential configuration results in an improved S/N ratio and a better performance. ASC Type 4321MF and 4325MF operate in a wide temperature range from -40°C to +125°C. The sensors exhibit exceptional temperature stability, very low non-linearity (<0.5%) and can withstand repetitive shocks as high as 6000g's. ASC Type 4321MF features a lightweight Aluminium housing and Type 4325MF features a rugged, corrosion proof stainless steel housing. The sensors are supplied with 6m integral cable as a standard. ASC GmbH ■ Advanced Sensors & Calibration ■ Ledererstra&e 10 ■ 85276 Pfaffenhofen ■ Germany ■ Tel. +49 8441 786547-0 ■
Open the catalog to page 1Shock limitgpk6000 (0.1ms, half-sine) Recovery time ms 1 ELECTRICAL Excitation voltage V DC 5 to 40 Zero acceleration output ±mV 50 Isolation Case Isolated ENVIRONMENTAL Temperature coefficient of sensitivity %/°C 0.01 (Thermal sensitivity shift) Temperature coefficient of bias mg/°C 0.2 0.5 1 3 5 10 20 (Thermal zero shift) Operating temperature range °C -40 to +125 Storage temperature range °C -55 to +125 Humidity/Sealing Epoxy sealed PHYSICAL Sensing element Case material Connector Mounting Weight (without cable) MEMS Capacitive Aluminium/Stainless Steel Optional Adhesive/screw holes gram...
Open the catalog to page 2FACTORY CALIBRATION (SUPPLIED WITH THE SENSOR) Range 2g and 5g 10g 30g 50g to 200g CABLE CODE / PIN CONFIGURATION Red: Supply + Green: Signal + Black: Supply - White: Signal - ASC Model number Range (Ex. 050 is 50g) Cable length (meters) Connector & Pinout A: no connector Example: ASC 4321MF-002-6A QUALITY 1) ASC is ISO 9001:2015 certified 2) The Deutsche Akkreditierungsstelle GmbH (DAkkS) has awarded to our calibration laboratory the DIN ENISO/IEC 17025:2005 accreditation for calibrations and has confirmed our competence to perform calibrations in the field of mechanical acceleration...
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Archived catalogs
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ASC 74C1
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ASC 5521/ ASC 5525
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ASC 5511LN/ ASC 5515LN
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ASC 5421/ ASC 5425
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ASC 4321 / ASC 4325
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ASC 4421 / ASC 4425
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ASC 4311LN / ASC 4315LN
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ASC 5411LN / ASC 5415LN
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ASC 3521
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ASC P101A25 / P101A15
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ASC P203A11 / ASC P203A12
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ASC 4321-MF / ASC 4325-MF
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ASC 4421-MF / ASC 4425-MF
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ASC 5421-MF / ASC 5425-MF
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ASC 5521-MF / ASC 5525-MF
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ASC 271 / ASC 273
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