MEMS inclinometers are compact and high-precision

Paul Boughton
Sherborne Sensors is launching the T700 series of high-precision compact, DC-operated solid-state MEMS (micro-electromechanical system) inclinometers. The T700 series is designed to measure inclination proportional to sine of angle in one axis (model T710), or dual axes at right angles (model T720), in applications where space is at a premium.
Available in ranges from +/-30 to +/-90 degrees, the Sherborne Sensors T700 series features an advanced micro-machined MEMS sensor incorporating air damping. Unlike fluid-damping, air damping is essentially independent of temperature, which enables the inclinometer to perform reliably over a very wide temperature range. Units are housed in a lightweight, robust light alloy package and are fully compensated for temperature effects on both sensitivity and zero. The T700 series also incorporates positive mechanical stops, conferring excellent shock resistance and offering reliable overranging protection.
DC response capabilities of the Sherborne Sensors T700 series facilitate exceptional measurement accuracy. Units are designed to operate from an unregulated DC power source, and offer a self-test feature on both axes.
T700 series inclinometers are supplied with an integral shielded cable with built-in strain relief, attached to the inclinometer housing, which may also be fitted with an optional electrical connector. The T700 series -0101 model variant incorporates a temperature sensor, which enables each unit to be individually characterised over its operational temperature range. A supplied characteristic error correction equation helps further minimise measurement uncertainties due to zero offset, sensitivity error and linearity, thermal zero shift and thermal sensitivity shift. By entering equation coefficients into the host operating software, cost-effective, high-precision inclination measurements, with accuracies better than +/-1milliradian, may be achieved.
The T700 series is also supplied with a comprehensive two-year warranty. T700 series inclinometers are suitable for a variety of applications including road bed analysis, platform and machinery levelling, satellite antenna positioning, civil engineering analysis, and geophysical and seismic studies.
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