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STELZNER® agricultural measurement systems

Measuring instruments for soil moisture and water monitoring, using sensors, tensiometers and data loggers

Bambach-Switching sensors

M-sensors are pressure manostat monitors that provide the tensiometer with switching properties. These pressure manostat monitors are membrane switches for applications in the low voltage range (e.g. 24 VDC) where a defined, limited switching range can be implemented. They allow infinitely variable adjustment of the switching point, but with no scaling.
 
For automatic irrigation, M-sensors can either switch the solenoid valve directly or they can be connected to an automatic watering system.

The TensioSwitch has the same function as an M-sensor, but has contactless switching, an LED switching display, and requires a power supply. It is well suited for direct switching or use with a relay.

M-Sensoren_de M-sensors_en
ARTICLE AND PRIZES
Art.-Nr.
Article
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50151010 M-sensors M-S10 € 81,99
(15 – 50 hPa)
50151050 M-sensors M-S50 € 81,99
(45 – 120 hPa)
501510100 M-sensors M-S100 € 81,99
(90 – 300 hPa)
501520 TensioSwitch TSW 400 € 93,06
(15-400 hPa)
Art.-Nr. Article Accessories Cart
501522 Plug unit with connecting cable, 10 m € 21,90
RS0000 Relay unit for potential-free switching Request Price
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TECHNICAL DATA
  M-sensors
Max. voltage: 24 V
Switching differential: approx. 20 % of the final value
Tensiometer connection: Screw cap GL14
Electrical connections:: Flat plug 6.3 mm
  TensioSwitch
Switching range: 25-400 hPa
Switching differential: approx. 10 hPa
Power supply: 10 – 30 VDC
Electrical connections: Plug socket M12x1
Tensiometer connection: Screw cap GL14
   
   
product

Classic plug-in tensiometer

A tensiometer is used to measure suction tension. The porous cell of the tensiometer uses capillary action to transport water outwards into the drier soil. A negative pressure is then created within the closed pipe. This negative... ...more Topseller

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