Sensors Mag


August 1, 2006 By: Melanie Martella, Sensors Sensors

Mesh Sensor Networking

Accsense Inc., Santa Barbara, CA, offers a line of wireless sensor Pods that measure ambient temperature, humidity, light, noise, and vibration and automatically form a secure, self-healing mesh network with a wireless range of up to 4000 ft. Pods accept 4–20 mA, 0–5 V, contact closure, and pulse counter inputs and can measure up to 9 different properties simultaneously. A Pod Gateway lets you connect the sensor network to the Internet and an online account for monitoring, delivering alarms, storing, and analyzing data. (866-670-3500,,

Mini Unshielded Proxes

Balluff Inc., Florence, KY, has expanded its line of long-range mini inductive proximity sensors with 4 mm and 5 mm unshielded versions with a sensing distance to 5 mm. The sensors allow you to use smaller sensors without sacrificing sensing range. Applications include small-part detection where a high level of miniaturization is needed for installation in a constrained space, such as robotic tooling and automated assembly systems for the semiconductor, medical, and electronics industries. (800-543-8390,,

Air Velocity Transmitter

Designed to measure air speeds and gas flows from 0–40 m/s, the EE75 air velocity transmitter from E+E Elektronik GmbH, Engerwitzdorf, Austria, uses a hot-film sensor element for high sensitivity even at very low mass flows. Working ranges for air velocity are 0–2 m/s, 0–10 m/s, and 0–40 m/s. You can configure the transmitter to output gas velocity, temperature, and corresponding volume flow as an analog output. (+43-7235-605-0,,

Bridge/Strain Gauge Logger

The OM-CP-BRIDGE110 from Omega Engineering Inc., Stamford, CT, is a portable data logger for use with strain gauges, load cells, pressure and position transducers, torque sensors, and load bolts. The device records up to 32,767 measurements and its real-time clock module allows high-speed downloads and extends battery life to >10 yr. You can retrieve data by plugging the logger into a computer's COM port. Data are stored in nonvolatile memory. (888-826-6342,,

Contactless Rotary Sensor

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