The Samsara Cargo Monitor sensor is a wireless device designed to provide visibility into the presence or absence of cargo in any enclosed container. It helps detect when cargo is loaded or unloaded, enhancing security and dock operations.
Features include:
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Durability: Ideal for refrigerated trailers, the sensors are IP67-rated and weatherproof, protecting against splashes, spray, dust, and environmental wear-and-tear.
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Flexibility: Multiple sensors can be deployed in the same trailer for greater visibility into different zones or cargo areas.
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Reliable Data Transmission: The sensor transmits data to Samsara IoT Gateways every 10 minutes, providing timely updates and alerts when the cargo status changes.
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Long Battery Life: The sensor runs on a single AA battery, lasting 4-5 years.Long Battery Life: The sensor runs on a single AA battery, lasting 4-5 years.
The Cargo Sensor detects objects within the cone of the infrared signal it emits and receives. If it detects an object within 175 cm (5 feet), it registers as Full; otherwise, it registers as Empty.
Note
This value is not changeable except by Samsara; please contact Support to change the value for a device.
The infrared cone has a 6-degree field of view. Use the table below along with the image to see the cross-sectional diameter of the cone (2) at various distances from the sensor (1). If an object is detected within this diameter, the Cargo Monitor will register as Full.
|
|
|
||
|---|---|---|---|
|
in |
cm |
in |
cm |
|
6 |
15 |
0.62 |
2 |
|
12 |
30 |
1.24 |
3 |
|
24 |
61 |
2.52 |
6 |
|
36 |
91 |
3.78 |
10 |
|
48 |
122 |
5.02 |
13 |
|
60 |
153 |
6.28 |
16 |
|
72 |
183 |
7.52 |
19 |
|
84 |
213 |
8.8 |
22 |
|
96 |
244 |
10.06 |
26 |
|
108 |
274 |
11.32 |
29 |
|
120 |
305 |
12.58 |
32 |
To monitor your cargo, you typically install a Cargo Monitor sensor on the ceiling of the trailer facing down.
To install a Cargo Monitor sensor, you will need:
|
1x Alcohol Wipe |
1x Sensor (adhesive attached) |
2x Phillips rounded head metal drilling screws, 410 stainless steel, #8-18 thread size, 1/2" long (provided) |
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Identify the mounting area.
Tip
Because the mounting location that you choose can affect the accuracy of infrared readings, observe the following recommendations:
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Mount the sensor on the ceiling of the trailer facing down.
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Ensure the cargo is within viewing distance of the Cargo Monitor (see Cone Field Sizing).
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Place the monitor directly over the area where cargo is typically stored and ensure at least 10 minutes has passed to allow for the monitor to record a new data point. The monitor will wirelessly connect to the gateway using Bluetooth.
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Ensure that the Cargo Monitor is within 100 feet of a gateway.
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Mount at least 20 inches away from any wall.
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Choose a location with a smooth surface. Smoother surfaces will reflect infrared better than textured services.
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Choose a location with minimal reflectivity on the cargo surface.
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Avoid interference from metal surfaces which can cause Bluetooth interference between the Cargo Monitor and the gateway.
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Clean the mounting area with the provided alcohol wipe.
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Place the sensor on the identified location on the ceiling.
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Secure the sensor to the surface with the included adhesive.
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(Optional) For increased stability, secure with provided screws.
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To verify that the sensor is reporting, log in to the Samsara dashboard and select Settings (
) > Devices > Devices > Sensors to view the sensors and signal status.
For printable installation instructions, see the Cargo Sensor Install Guide (PDF).
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