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Keihin Co., Ltd. develops and sells solenoid valves,
automatic sprinklers

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My Rain MRD-7-嘩 Type (7-channel)

New model : Maile in MRD-7-嘩
It is the new maile in which shared the function of MRD-2 and MRD-7.
* Difference
- In order to communalize the coil of an electromagnetic valve, it became a form which uses LA2 (2 core coil).
Exchange of LA3 (3 core coil) coil is [ visitor of use ] needed separately in MRD-2 channel.
- An electric amount of consumption becomes 1/10 or less [ conventional ], and the life of a battery rises.
- Clock accuracy improves and it is exact time management.
- It is improvement in durability by change of internal parts.

Solar-powered Automatic Sprinkler System
Easy to use!

Operation of the system is simple, and ease-of use has been emphasized in the design so that no special technical knowledge is needed.




仧Features
  • Makes low-cost automatic sprinkler irrigation possible
    Automation of the system is completed by installing a solenoid valve and connecting it to a control unit with a cable.
    Operation and maintenance of the system is easy.
    Operations such as setting watering days can be conducted easily with the flick of a switch; no special technical knowledge is needed.
  • Rotations can be set as desired
    In addition to precise rotation repetition, operations can be cancelled or altered in accordance with the climate or crop conditions.
  • Resistant to lightning strikes
    The chance of lightning strikes has been reduced by locating the power source internally, and keeping wiring short. If by chance a lightning strike does occur, other equipment is not affected.
  • Automatic watering is possible twice daily per channel.
  • Operation is easy, and is similar to VCR operations.
  • While the regular skip interval is 7 days, this can also be set to 6 丒俉days.
  • Use the Manual switch to conduct watering whenever you desire, regardless of the time set for automatic watering.
    Additionally, by configuring the desired watering time and setting the Manual switch to ON, watering is commenced, and is automatically stopped at the conclusion of the time set.
  • When you want to know the automatic time setting, push the Watering switch and leave the Changeover switch set to clock mode. Pushing 乬Watering time乭 or 乬Finishingtime乭 causes the automatic time setting to appear for 2 to 3 seconds and enables you to confirm the setting. The indicator will turn off by itself.

仧Features

Model MRD-7-嘩
Solenoid valves 7戜
Power source&voltage

Solar battery and a small sealed lead battery; DC 12 V.

Nickel-cadmium battery (for specific customers)

Valve command Lock valve; opens and shuts consuming 1 second of energy
Automatic operation Watering time 2 start times can be set for each day with freely configurable watering periods
Skip-day schedule

Watering days can be freely configured with 6񒵼 day skip intervals

Manual operation Operation of a single switch enables manual watering at any time
Semi-automatic operation Setting a time enables manual commencement and automatic stopping of watering.
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