DOL Sensors
For Automation of Processes
DOL Capacitive sensors are used for the automation of processes where there is a need for controlled conveyance and storage of materials. The capacitive sensors ensure an efficient and seamless handling of grain and other feedstuffs, among other things, but can also be used for handling wood, plastics and other granular materials.
The capacitive feed sensors ensure an efficient and seamless handling of grain and other feedstuffs, and can be used for handling wood, plastics and other granular materials.
The range includes both smooth sensors and sensors with screw threads.
• Detection of feed and grain in feed systems for livestock production
• Large range of functional, mechanical and electrical variants to meet every need
• Designed for aggressive livestock house environment
For Automation of Processes
The range includes both smooth sensors and sensors with screw threads.
• Detection of feed and grain in feed systems for livestock production
• Large range of functional, mechanical and electrical variants to meet every need
• Designed for aggressive livestock house environment
SEE BELOW FOR SENSOR MODELS
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The product is intended for contactor operation but will be well suited for a number of other agricultural and industrial applications.
Code Description Voltage Output Type SK103266 Dol 20R inc Bracket 90 - 250v AC NO & NC -
There are three basic types, which differ concerning functionality, operation and number of trimmers. The sensor with one trimmer has adjustable sensitivity and the sensor with two trimmers has both adjustable sensitivity and adjustable off-delay timer.
Sensor No. Sensor Name. Sensor type Voltage Diam ø Smooth
/ThreadOutput type Sensitivity On Delay Off Delay Trimmer 1 Trimmer 2 Being replaced with SK102001 DOL 25 2-2T PNP 10-36v DC 18mm Smooth, Non Flushed NO and NC 0-12mm 0 0-600s Sensitivity Off Delay DOL 26 - SK105120 SK102097 DOL 25 M-2T PNP 10-36v DC 18mm Thread,Non Flushed NO and NC 0-12mm 0 0-600s Sensitivity Off Delay DOL 26 - SK105112 SK102913 DOL 25 B-0T SCR 20-280v AC 18mm Smooth, Non Flushed Break 6.5mm 0 1s - - DOL 26 - SK105132 SK102914 DOL 25 B-0T SCR 20-280v AC 18mm Smooth, Non Flushed Break 0 60s - - DOL 26 - SK105111 SK102134 DOL 25 M-1T SCR 20-280v AC 18mm Thread, Non Flushed Make 0-12mm 0 0 Sensitivity - DOL 26 - SK105128 SK102041 DOL 25 B-2T SCR 20-280v AC 18mm Smooth,Non Flushed Break 0-12mm 0 0-600s Sensitivity Off Delay DOL 26 - SK105121 -
The mechanical design makes DOL 26 ideal for integration into applications with limited space. The full-return option is especially suited for feeding pans.
Sensor No. Sensor Name. Sensor type Voltage Diameter Smooth/
ThreadOutput type On Delay Off Delay Sensitivity Trimmer 1 Trimmer 2 Replaced SK105117 DOL 26 B-OT SCR 20-280v AC 18mm Thread, Non Flushed Break 0 0 6mm - - DOL25 - SK102139 SK105120 DOL 26 2-2T PNP 10-36v DC 18mm Smooth, Non Flushed NO and NC 0 0-600s 0-12mm Sensitivity Off Delay DOL 25 - SK102001 SK105121 DOL 26 B-2T SCR 20-280v AC 18mm Smooth, Non Flushed Break 0 0-600s 0-12mm Sensitivity Off Delay DOL 25 - SK102041 SK105128 DOL 26 M-1T SCR 20-280v AC 18mm Thread, Non Flushed Make 0 0 0-12mm Sensitivity - DOL 25 - SK102134 SK105130 DOL 26 M-1T SCR 20-280v AC 18mm Thread, Non Flushed Break 0 0 0-12mm Sensitivity - DOL 25 - SK102138 SK105132 DOL 26 B-0T SCR 20-280v AC 18mm Smooth, Non Flushed Break 0 1s 6.5mm - - DOL 25 - SK102913 -
DOL 41R has no time delay. The relay switches as soon as the sensor is activated and remains in this position until the activating influence stops.
DOL 43R has an option for delayed switch-off. When the activation stops, the time delay starts. When this delay expires, the relay switches back.
Apart from the two options above the DOL 45R can also be set for delayed switch-on. The time delay will start when the sensor is activated. The relay switches when the time delay expires. The relay will not switch back until the activation stops.Code Description Voltage Threaded On Delay Off Delay Sensitivity
Diam ø Output Type Factory Settins - Delay SK100651 DOL 45R 90-250v
ACSmooth 0 to 4 hrs 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay/ 0 sec. ON Delay SK100652 DOL 45R 10-30v AC/DC Smooth 0 to 4 hrs 0-4hrs 0-15mm 30mm NO & NC 30 sec. OFF Delay/ 0 sec. ON Delay SK100661 DOL 43R 90-250v
ACSmooth 0 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay SK100662 DOL 43R 10-30v AC/DC Smooth 0 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay SK100671 DOL 41R 90-250v
ACSmooth 0 0 0-15mm 30 mm NO & NC - SK100672 DOL 41R 10-30v AC/DC Smooth 0 0 0-15mm 30 mm NO & NC - SK100681 DOL 45R 90-250v
ACSmooth with T fitting 0 to 4 hrs 0-4hrs 0-15mm 30 mm NO & NC 0 sec. OFF Delay / 30 sec. ON Delay SK100761 DOL 43R G 90-250v
ACThread 0 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay SK100762 DOL 43R G 10-30v AC/DC Thread 0 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay SK100610
DOL 44R 90 - 265v AC Smooth 0 0-600 sec 0-15mm 30mm NO & NC Middle - 7.5mm (Trimmer 1)
Middle - 300s (Trimmer 2) -
Sensor No. Sensor Name. Voltage Diameter Smooth / Thread Non Flushed / Semi Flushed Heat Output type On Delay Off Delay Sensetivity Trimmer 1 Trimmer 2 Max run timer SK10068 iDOL 46R 20-280v AC/DC
30mm Smooth Non Flushed No NO and NC 0-3600 SEC 0-3600S 0-20mm - - 0-7200 SEC -
Code Description SK140121-PG Plastic gland PG21 incl. nut 
SK140107-PG Plastic gland for DOL 40R 
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The Capacitive Sensor is designed for general detection of solid and loose materials. The sensor has potential-free relay contacts with a switch function.
The product is intended for contactor operation but will be well suited for a number of other agricultural and industrial applications.
Code Description Voltage Output Type SK103266 Dol 20R inc Bracket 90 - 250v AC NO & NC -
There are three basic types, which differ concerning functionality, operation and number of trimmers. The sensor with one trimmer has adjustable sensitivity and the sensor with two trimmers has both adjustable sensitivity and adjustable off-delay timer.
Sensor No. Sensor Name. Sensor type Voltage Diam ø Smooth
/ThreadOutput type Sensitivity On Delay Off Delay Trimmer 1 Trimmer 2 Being replaced with SK102001 DOL 25 2-2T PNP 10-36v DC 18mm Smooth, Non Flushed NO and NC 0-12mm 0 0-600s Sensitivity Off Delay DOL 26 - SK105120 SK102097 DOL 25 M-2T PNP 10-36v DC 18mm Thread,Non Flushed NO and NC 0-12mm 0 0-600s Sensitivity Off Delay DOL 26 - SK105112 SK102913 DOL 25 B-0T SCR 20-280v AC 18mm Smooth, Non Flushed Break 6.5mm 0 1s - - DOL 26 - SK105132 SK102914 DOL 25 B-0T SCR 20-280v AC 18mm Smooth, Non Flushed Break 0 60s - - DOL 26 - SK105111 SK102134 DOL 25 M-1T SCR 20-280v AC 18mm Thread, Non Flushed Make 0-12mm 0 0 Sensitivity - DOL 26 - SK105128 SK102041 DOL 25 B-2T SCR 20-280v AC 18mm Smooth,Non Flushed Break 0-12mm 0 0-600s Sensitivity Off Delay DOL 26 - SK105121 -
The mechanical design makes DOL 26 ideal for integration into applications with limited space. The full-return option is especially suited for feeding pans.
Sensor No. Sensor Name. Sensor type Voltage Diameter Smooth/
ThreadOutput type On Delay Off Delay Sensitivity Trimmer 1 Trimmer 2 Replaced SK105117 DOL 26 B-OT SCR 20-280v AC 18mm Thread, Non Flushed Break 0 0 6mm - - DOL25 - SK102139 SK105120 DOL 26 2-2T PNP 10-36v DC 18mm Smooth, Non Flushed NO and NC 0 0-600s 0-12mm Sensitivity Off Delay DOL 25 - SK102001 SK105121 DOL 26 B-2T SCR 20-280v AC 18mm Smooth, Non Flushed Break 0 0-600s 0-12mm Sensitivity Off Delay DOL 25 - SK102041 SK105128 DOL 26 M-1T SCR 20-280v AC 18mm Thread, Non Flushed Make 0 0 0-12mm Sensitivity - DOL 25 - SK102134 SK105130 DOL 26 M-1T SCR 20-280v AC 18mm Thread, Non Flushed Break 0 0 0-12mm Sensitivity - DOL 25 - SK102138 SK105132 DOL 26 B-0T SCR 20-280v AC 18mm Smooth, Non Flushed Break 0 1s 6.5mm - - DOL 25 - SK102913 -
DOL 41R has no time delay. The relay switches as soon as the sensor is activated and remains in this position until the activating influence stops.
DOL 43R has an option for delayed switch-off. When the activation stops, the time delay starts. When this delay expires, the relay switches back.
Apart from the two options above the DOL 45R can also be set for delayed switch-on. The time delay will start when the sensor is activated. The relay switches when the time delay expires. The relay will not switch back until the activation stops.Code Description Voltage Threaded On Delay Off Delay Sensitivity
Diam ø Output Type Factory Settins - Delay SK100651 DOL 45R 90-250v
ACSmooth 0 to 4 hrs 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay/ 0 sec. ON Delay SK100652 DOL 45R 10-30v AC/DC Smooth 0 to 4 hrs 0-4hrs 0-15mm 30mm NO & NC 30 sec. OFF Delay/ 0 sec. ON Delay SK100661 DOL 43R 90-250v
ACSmooth 0 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay SK100662 DOL 43R 10-30v AC/DC Smooth 0 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay SK100671 DOL 41R 90-250v
ACSmooth 0 0 0-15mm 30 mm NO & NC - SK100672 DOL 41R 10-30v AC/DC Smooth 0 0 0-15mm 30 mm NO & NC - SK100681 DOL 45R 90-250v
ACSmooth with T fitting 0 to 4 hrs 0-4hrs 0-15mm 30 mm NO & NC 0 sec. OFF Delay / 30 sec. ON Delay SK100761 DOL 43R G 90-250v
ACThread 0 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay SK100762 DOL 43R G 10-30v AC/DC Thread 0 0-4hrs 0-15mm 30 mm NO & NC 30 sec. OFF Delay SK100610
DOL 44R 90 - 265v AC Smooth 0 0-600 sec 0-15mm 30mm NO & NC Middle - 7.5mm (Trimmer 1)
Middle - 300s (Trimmer 2) -
Sensor No. Sensor Name. Voltage Diameter Smooth / Thread Non Flushed / Semi Flushed Heat Output type On Delay Off Delay Sensetivity Trimmer 1 Trimmer 2 Max run timer SK10068 iDOL 46R 20-280v AC/DC
30mm Smooth Non Flushed No NO and NC 0-3600 SEC 0-3600S 0-20mm - - 0-7200 SEC -
Code Description SK140121-PG Plastic gland PG21 incl. nut SK140107-PG Plastic gland for DOL 40R