| Weight | 7.1 oz |
|---|---|
| Dimensions | 5.43 × 2.38 × 1.22 in |
| Features | • Exceptional dynamic performance |
| Applications | • Unmanned vehicles |
ECV-IMU Inertial Measurement Unit
Jewell Instruments’ offers ECV-IMU Series initial measurement units which assure high accuracy in a small package. This inertial measurement unit is a cost efficient, low power consuming device which provides stable azimuth, pitch, and roll measurements in dynamic conditions. This sensor consists of 3-axis angular rate gyros, 3-axis accelerometer, 3-axis magnetometer, and optional 2-axis electrolytic tilt sensor. These IMUs have a wide operating range and are factory calibrated. Hence, they offer an accurate and fast output through RS-485.

Related Products
ECC eCompass Series
The ECC-2D Series is a low-cost 2D digital compass in a small package with low power consumption and high reliability designed for commercial and industrial users.
Model MD908 ‘IRIS’ Tilt Switch
The IRIS Tilt Switch and Controller is a powerful tilt controller device that combines a digital, dual-axis clinometer and advanced firmware features in one compact unit. This remarkable instrument enables you to measure and respond to rotational movements in any direction concerning the unchanging gravity vector. Units ship standard with a 24-inch hook-up cable. IRIS is an ideal choice for OEM applications, where it can be used to maintain platform levelness, avoid tip-over conditions, prevent out-of-range movement, and perform other control functions.
LILY Self-Leveling Borehole Tiltmeter
Using a high-precision electrolytic tilt sensor, units deliver resolutions to 5 nano radians; the dynamic range is ±330 µradians. Units also feature a ±10 deg. leveling range for easy installation downhole. Output is RS-232 or RS-422 (RS-485 full-duplex) and includes timestamp and compass bearing. Data can be saved to file externally or to LILY’s on-board flash memory (75,000 sample max) using fill/stop or cyclic memory modes.
Units are fully submersible to 3000 psi. Titanium is also available for +5000 psi applications. The culmination of over 30 years of tilt sensor experience and expertise, the LILY represents the pinnacle in precision sensor engineering.
AKA Analog MEMS Accelerometer Series
Jewell Instruments AKA Series Accelerometers are an excellent choice for cost to performance trade-off. The AKA is based on silicon micro-machined MEMS Capacitive Accelerometer technology and designed for low power and high stability.
IRIS-SC Digital Signal Conditioning Card
The IRIS-SC digital signal conditioning card is a powerful control device designed for use with all Jewell miniature tilt sensors. Output is ASCII RS-232 or RS-422(485) serial. Standard firmware includes five user-programmable alarm/trigger thresholds for tilts tilt switch/control applications. When a selected threshold is reached, the circuitry sets the output high
on one of the pins in the H3 control connector. Other firmware features include user-programmable data output rates, sample averaging, autozero (nulling), and baud rate. The IRIS-SC can also log up to 22,000 samples to internal memory for data dump/download on user command.
All IRIS-SC units include calibration when ordered with Jewell miniature tilt sensors (specify calibrated range on order).
JMA-100/200/300 Analog MEMS Accelerometer Series
The JMA-100/200/300 series is available in single (JMA-100), dual (JMA-200), and triple (JMA-300) axis configurations. This presents a robust and rugged design for industrial use, but with the benefit of low-cost MEMS technology.

ECS eCompass Series
The ECS digital compass represents the state-of-the-art in magnetic compassing. It combines a precision 3-axis solid-state magnetometer and a rugged 2-axis electrolytic tilt sensor to provide accurate heading and tilt measurements over a wide range of environmental conditions. The firmware and signal processing algorithms have been refined and improved over three prior generations of compasses to deliver the ultimate in performance from the available sensor data.
AMA Analog MEMS Accelerometer Series
Jewell Instruments AMA Series Accelerometers are an excellent choice for cost to performance trade off. The AMA is based on silicon micro-machined MEMS Capacitive Accelerometer technology and designed for low power and high stability.
ECL eCompass Series
The ECL low-power digital compass is designed specifically for commercial, industrial, and military users. The ECL series will be of particular interest to ROV and AUV manufacturers who are concerned with power usage and accurate heading in all types of challenging conditions. In standby mode, it draws a mere 50 microamps and requires only 15 mA in run mode. It provides accurate heading data in less than a tenth of a second from wake up. An extended range tilt sensor is available that allows for ±60° of pitch and roll.
QFA-125 Quartz Flexure Accelerometer Series
The Jewell Instruments QFA-125 Series Accelerometers are state of the art quartz flexure technology that provides high accuracy, repeatability and stability even in the harshest of environments.
Model 820 Shallow Water Tiltmeter Series
The model 820 Shallow Water is a high-precision submersible tiltmeter for use in fresh and saltwater applications. Using an absolute gravity-referenced electrolytic sensor, the 820 delivers superior measurement accuracy with virtually no long-term drift. High-gain units are sensitive to <0.0017 mm/m or better. Output options include analog (±5 VDC, ±10 VDC), current (4-20mA), and digital (RS-232 and RS-422). All units are rated to 200 meters (656.2 ft) waterproof for advanced protection from the elements. Use the 820 “Shallow Water” for structural monitoring, angle measurement and control, platform leveling, and more.
LCF-3000 Tri-Axis Analog Inclinometer
The Jewell LCF 3000 Series tri-axis inclinometer is a rugged, high accuracy version of the LCF Series. It is available with a wide range of options including single ended input power, internal temperature sensor and 4-20mA.
















