Stihl SMI 50, Instruction Manual, Page: 11 / 56

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English
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This instruction manual is protected by copyright. All rights reserved, especially the rights to reproduce, translate and process
with electronic systems.
Contents
Dear Customer,
Thank you for choosing STIHL. We develop and
manufacture our quality products to meet our customers’
requirements. The products are designed for reliability even
under extreme conditions.
STIHL also stands for premium service quality. Our
specialist dealers guarantee competent advice and
instruction as well as comprehensive service support.
We thank you for your confidence in us and hope you will
enjoy working with your STIHL product.
Dr. Nikolas Stihl
IMPORTANT: READ BEFORE USE AND KEEP IN A SAFE
PLACE.
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1 Soil Moisture Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Terminal Assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3 Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.1 Intended Use. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2 Clothing and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3 Safe Condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4
Preparing Soil Moisture Sensor for Operation. . . . . . . 11
4.1 Burying and Connecting Up the Soil Moisture
Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.2 Extending the Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5
Storing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.1 Storing the Soil Moisture Sensor . . . . . . . . . . . . . . . . . . . 12
6
Maintenance and Repairs . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.1 Servicing and Repairing the Soil Moisture Sensor . . . 12
7
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.1 Troubleshooting the Soil Moisture Sensor . . . . . . . . . . 13
8
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
8.1 STIHL SMI 50 Soil Moisture Sensor . . . . . . . . . . . . . . . . 14
8.2 REACH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
9
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
9.1 Disposing of Soil Moisture Sensor . . . . . . . . . . . . . . . . . . 14
10 EC Declaration of Conformity. . . . . . . . . . . . . . . . . . . . . . . 14
10.1 STIHL SMI 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
1 Introduction