The CS506 is a fuel moisture sensor that measures the moisture content of the 26601 10-hour fuel moisture stick. The 26601 emulates the moisture content of similarly sized twigs on the forest floor. The CS506/26601 combination is used to assess forest fire fuel and is often incorporated in our prewired or custom fire-weather stations.
Note: The image shows a CS506 fuel moisture sensor attached to a 26601 fuel moisture stick. The 26601 is purchased separately.
- Reports the status of small-diameter (10-hour) forest fire fuels as percent moisture by weight (1%=1 g).
- CS506-L Fuel Moisture Sensor consists of an epoxy-encapsulated electronics package that uses Time Domain Reflectometry (TDR) technology to measure the moisture content of the 26601 10-hour Fuel Moisture Stick.
| Operating Range | 0 to 70% moisture content |
| Power Supply | 5 to 18 Vdc |
| Enable Voltage |
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| Current Consumption |
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| Output Signal | ±0.7 Vdc square wave (with an output frequency of approximately 31 to 58 kHz) |
| Dimensions | 10.16 x 6.35 x 1.91 cm (4 x 2.5 x 0.75 in.) |
| Weight | < 0.5 kg (< 1 lb) |
Fuel Moisture Accuracy |
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| 0 to 10% Range |
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| 10 to 20% Range |
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| 20 to 30% Range |
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| 30 to 50% Range |
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