1WT_8SSP_3_SEQ_30cm_4w: Sequenced 1-wire temperature sensor with 3 inch stainless steel probe.

Part #: 1WT_8SSP_3_SEQ_30cm_4w

This Sequenced 1-wire digital temperature sensor with a 3 inch stainless steel probe can be used in any temperature measurement applications where it is useful to be able to query a sensor strictly by knowing its position on the network.

The 1WT_8SSP_3_SEQ_30cm_4w sensor uses the Maxim DS28EA00 chip. There are 2 extra wires on this sensor when compared to a standard DS18B20 based sensor: one gets connected to the previous sensor in the series and the other gets connected to the next sensor in the series. This arrangement enables the 1-wire master to detect the sensors according to their placement on the network.

By using the 1WT_8SSP_3_SEQ_30cm_4w 1-wire temperature sensor, you can put multiple sensors on a single network and communicate with a specific sensor on that network without even knowing the ROM ID of that sensor. All that you need to know is the position of the sensor on the network and you can query it to find its temperature value.

This 1-wire temperature sensor is used widely with GPS devices to provide real-time temperature feedback of engines or cargo along with location information.

There is a Maxim DS28EA00 chip in the tip of the probe which is connected to four 18AWG stranded conductors, all of which are heat shrunk together and potted into the rugged stainless steel tube, resulting in a durable sensor that is perfect for a variety of commercial and industrial applications. There is a label on the sensor cable that shows what each of the four conductors is used for.

• RED = 1W Data
• BLACK = VDD/GND
• WHITE = Previous Sensor
• YELLOW/GREEN = Next Sensor