Model 850 MEMS Tuff Tilt Series

Highlights:

This geotechnical MEMS tiltmeter is available in uniaxial and biaxial configurations. It presents a robust and rugged design for outdoor geotechnical use, but with the benefit of low-cost MEMS technology and ±5VDC, 0-5 VDC, or 4-20 mA output signals. It is an effective tilt sensing solution for platform leveling/positioning, structural monitoring, construction monitoring, industrial machinery positioning, radial gate measurement & control.

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Additional information
Features

• ±14.5°, ±30° and ±90° ranges
• Robust and Rugged Enclosure
• Uniaxial and Biaxial Models Available
• Low-Cost MEMS Technology
• RoHS Compliant
• Filtering Available
• Dual Power Input
• ±5 VDC Output
• Temperature Sensor Option Available
• IP65 Seal

Applications

• Platform Leveling/Positioning
• Structural Monitoring
• Construction Monitoring
• Industrial Machinery Positioning
• Radial Gate Measurement & Control

A850-D: ±5VDC Output

A850-D: ±5VDC Output

Performance Specifications

Static/Dynamic

Measurement Range (°)1±14.5±30±90
Output Voltage Range (VDC)±5±5±5
Scale Factor Tolerance (%)±1±1±1
Scale Factor Temperature Coefficient (PPM/°C maximum)150150150
0° Output (Volts, maximum)±0.03±0.03±0.03
0° Output Temperature Sensitivity (V/°C maximum) ±0.004 ±0.004 ±0.004
Transverse Axis Misalignment (° maximum)±0.5±0.5±0.5
Resolution (° maximum)0.002 0.0020.004
Threshold (° maximum)0.0020.0020.002
Non-linearity (% FRO maximum)0.050..050.05
Nonrepeatability, Hysteresis (%FRO maximum)0.0140.007 0.004
Bandwidth (-3dB, Hz nominal)555
Warm-Up Time (seconds, maximum)0.50.50.5
Voltage to Radian Conversion2ASIN(/20)ASIN(/10)ASIN(/5)
Temperature SensorPTC Thermistor, Nominal resistance: 1kΩ, ±2%, dissipation constant 2mW/°C

Electrical & Environmental

Number of Axes1 or 2
Input Voltage Range (VDC)±12 to ±18
Input Current (mA, maximum)±6
Output Noise (Vrms maximum)0.005
Output Impedance (Ω nominal)1
Operating Temperature Range (°C)-40 to +85
Storage Temperature Range (°C)-40 to +95
Shock100g. 0.011 sec, ½ sine
SealIP65

Notes:
1: Custom ranges available on request
2: Does not take into account any sources of error

*Specifications subject to change without notice on account of continued product development

A850-S: 0-5VDC Output

A850-S: 0-5VDC Output

Performance Specifications

Static/Dynamic

Measurement Range (°)1±14.5±30±90
Output Voltage Range (VDC)0-50-50-5
Scale Factor Tolerance (%)±1±1±1
Scale Factor Temperature Coefficient (PPM/°C maximum)150150150
0° Output (Volts, maximum)±0.03±0.03±0.03
0° Output Temperature Sensitivity (V/°C maximum) ±0.004 ±0.004 ±0.004
Transverse Axis Misalignment (° maximum)±0.5±0.5±0.5
Resolution (° maximum)0.002 0.0020.004
Threshold (° maximum)0.0020.0020.002
Non-linearity (% FRO maximum)0.050..050.05
Nonrepeatability, Hysteresis (%FRO maximum)0.0140.007 0.004
Bandwidth (-3dB, Hz nominal)555
Warm-Up Time (seconds, maximum)0.50.50.5
Voltage to Radian Conversion2ASIN(-2.5/10)ASIN(-2.5/5)ASIN(-2.5/2.5)
Temperature SensorPTC Thermistor, Nominal resistance: 1kΩ, ±2%, dissipation constant 2mW/°C

Electrical & Environmental

Number of Axes1 or 2
Input Voltage Range (VDC)12 to 30
Input Current (mA, maximum)7
Output Noise (Vrms maximum)0.005
Output Impedance (Ω nominal)1
Operating Temperature Range (°C)-40 to +85
Storage Temperature Range (°C)-40 to +95
Shock100g. 0.011 sec, ½ sine
SealIP65

Notes:
1: Custom ranges available on request
2: Does not take into account any sources of error

*Specifications subject to change without notice on account of continued product development

C850: 4-20mA Output

C850: 4-20mA Output

Performance Specifications

Static/Dynamic

Measurement Range (°)1±14.5±30±90
Output Voltage Range (mA)4-204-204-20
Scale Factor Tolerance (%)±1±1±1
Scale Factor Temperature Coefficient (PPM/°C maximum)150150150
0° Output (Volts, maximum)12±0.312±0.312±0.3
0° Output Temperature Sensitivity (V/°C maximum) ±0.004 ±0.004 ±0.004
Transverse Axis Misalignment (° maximum)±0.5±0.5±0.5
Resolution (° maximum)0.002 0.0020.004
Threshold (° maximum)0.0020.0020.002
Non-linearity (% FRO maximum)0.050..050.05
Nonrepeatability, Hysteresis (%FRO maximum)0.0040.004 0.004
Bandwidth (-3dB, Hz nominal)555
Warm-Up Time (seconds, maximum)0.50.50.5
Voltage to Radian Conversion2arcsin((-12mA)/32mA)arcsin((-12mA)/16mA)arcsin((-12mA)/8mA)
Temperature SensorPTC Thermistor, Nominal resistance: 1kΩ, ±2%, dissipation constant 2mW/°C

Electrical & Environmental

Number of Axes1 or 2
Input Voltage Range (VDC)12 to 30
Input Current (mA, maximum)28
Output Noise (Vrms maximum)0.01
Output Impedance (Ω nominal)1
Operating Temperature Range (°C)-40 to +85
Storage Temperature Range (°C)-40 to +95
Shock100g. 0.011 sec, ½ sine
SealIP65

Notes:
1: Custom ranges available on request
2: Does not take into account any sources of error

*Specifications subject to change without notice on account of continued product development

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