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Current Products
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CWB100 900-MHz Wireless-Sensor Base

The CWB100 is the master radio in a Campbell Scientific wireless-sensor network. It polls and stores data from up to 50 wireless sensors, and then...

CWB100A 922-MHz Wireless Sensor Base

The CWB100A is the master radio in a Campbell Scientific wireless-sensor network. It polls and stores data from up to 50 wireless sensors, and then...

CWB100E 868-MHz Wireless-Sensor Base

The CWB100E is the master radio in a Campbell Scientific wireless-sensor network. It can poll and store data from up to 50 sensors, and then...

CWS900 900-MHz Wireless Sensor Interface

The CWS900 allows a sensor with a special connector to be used in a wireless sensor network; the special connector is available as an option...

CWS900A 922-MHz Wireless Sensor Interface

The CWS900A allows a sensor with a special connector to be used in a wireless sensor network; the special connector is available as an option...

CWS900E 868-MHz Wireless Sensor Interface

The CWS900E allows a variety of sensors to be used in a wireless sensor network (see Compatibility). It contains an internal 868 MHz spread-spectrum radio...

A205 CWS Sensor to PC Interface

The A205 CWS-to-PC Interface supports communication between wireless sensors and a computer. The A205 is necessary for configuring wireless sensors prior to deployment and is...

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About Wireless Sensor Interfaces

These components are used to interface with our wireless sensors. Products included in this category are base stations, the wireless configurable sensor interfaces, and the CWS Sensor to PC Interface.

The base stations are the master radios in the wireless network. They poll the wireless sensors and pass the data to the datalogger when requested. They connect to a PC for configuration, and communicate with the datalogger via serial protocol using a single control port. The base stations uses a frequency-hopping, spread-spectrum radio; different models support different frequency ranges. The base stations' internal radio provide longer range and less interference, so the radio can communicate with sensors over 1,000 ft away in optimal line-of-sight conditions. Data can be relayed up to three hops in a mesh network, since every wireless sensor can act as a relay node for other wireless sensors in the network.

The wireless configurable sensor interfaces consist of a radio with a sealed connector that can be attached to a variety of sensors. These interfaces can measure analog voltage and frequency, count pulses, and supply excitation voltage, making it compatible with many types of low-power sensors. The connector to attach the sensor to the wireless interface is a conventional type that is specified when ordering sensors from Campbell Scientific.

The CWS-to-PC Interface supports communication between wireless sensors and a computer. It is necessary for configuring wireless sensors prior to deployment and is also useful for testing and troubleshooting them. When connected to a USB port on the computer, this interface supplies power to the wireless sensor.

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