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Operating Instructions
Precipitation Sensors (15188++)

(15188++) Precipitation Sensors

Operating Instructions

 

 

E

F

Dismounting of the protective covering

Using the allen key (3 mm) provided, release the four screws
at the lower edge of the covering until it can be pulled up.

Attention! 

In order to protect the tipping bucket the

dirt spiral must be inserted in the collection funnel
(fig. 2).

Assembly of the tipping bucket

To avoid damage to the tipping bucket during trans-
port, it is separately packed and should be inserted
in the rain gauge on site only after mounting the
gauge on the mast.
For the assembly first you must remove the protec-
tive covering.

Attention!

 Do not damage the sharp edges of the

tipping bucket and do not bend the middle dividing
plate! When fitting the tipping bucket, proceed with
utmost caution so that the sharp edges of the tipping
bucket are not damaged and the middle wall is not
bent!

During operation the tipping bucket lies on the precision buck-
et bearings. To reduce the friction, which is produced at one
tipping, the bearings are made of abrasion-resistant delrin.
The mounted tipping bucket is secured against eventual
changes of position by means of two plates.
To insert the tipping bucket, first the relocatable locking plate

C

  (fig. 3) must be pushed back.

Now insert the tipping bucket 

F

. Make sure that the magnet 

E

attached at the middle wall of the tipping bucket rests under
the capsule with the embedded reed contact 

D

.

Finally the tipping bucket must be secured by pushing back
the relocatable locking plate 

C

.

A:

Tipping bucket bearings

B:

Fixed locking plate

C:

Relocatable locking plate

D:

Reed contact

E:

Magnet (here shown through inclination of the bucket)

F:

Tipping bucket

Fig. 2

Fig. 3

Содержание 15188++

Страница 1: ... as absolute or gliding sum for the analogue output signals Exchangeable weighing tipping bucket system according to Joss Tognini overflow proof 2 cm tipping bucket 2g water for precise precipitation mea suring in regions with normal rain falls 4 cm tipping bucket 4g water for precise precipitation mea suring in regions with heavy rain falls tropical rain Winter fit variety with controlled 2 circu...

Страница 2: ...of water The collecting surface of 200 cm WMO standard means that one bucket charge is equivalent to a precipita tion rate of 0 1 mm resp 0 2 mm per square meter If the bucket is tipped the reed contact that is integrated in the sensor will be closed This signal can be sent as pulse or analog The bounce free linearised pulse output is permanently available parallel to an analog current or voltage ...

Страница 3: ... fitting the tipping bucket proceed with utmost caution so that the sharp edges of the tipping bucket are not damaged and the middle wall is not bent During operation the tipping bucket lies on the precision buck et bearings To reduce the friction which is produced at one tipping the bearings are made of abrasion resistant delrin The mounted tipping bucket is secured against eventual changes of po...

Страница 4: ...ge red heating on Initial operation If the sensor system has been completely mounted and elec trically assembled the sensor will be ready for operation according to the basic settings The operational check has to be performed Maintenance and operational check The precipitation sensor 15188 is nearly mainte nance free The sensor should be checked and cleaned periodically in order to guarantee its p...

Страница 5: ...ating Basic settings fig 5 Unless otherwise agreed the precipitation sensor 15188 will be delivered with following basic settings Active pulse output linearised bounce free signal Measuring range 0 10 mm Active analog output 0 20 mA Analog output of the absolute sum of precipitation Current consumption 40 mA Supply voltage 18 30 VDC max load 600 Ω Fig 4 Fig 5 Fig 6 ...

Страница 6: ...rs See also tab 1 J3 to select the required mode Pos 1 8 J4 J5 to switch on the respective analog output J6 to switch over the analog voltage output J12 to connect the switch output to the power supply for 2 wire circuit of the low power modi not plugged pow er supply and pulse output are separated J10 must be plugged always at the middle position see fig 14 Fig 8 Positions of the jumpers which ar...

Страница 7: ...n Sensors Operating Instructions Fig 9 Fig 10 Fig 11 Example 1 Fig 9 Active analog output 4 20 mA otherwise like basic setting Example 2 Fig 10 Active analog output 0 5 V otherwise like basic setting Example 3 Fig 11 Active analog output 0 10 V otherwise like basic setting ...

Страница 8: ...cuit Deactivated analog output Active pulse output linearised bounce free signal Current consumpt max 100 μA typical 50 μm Supply voltage 5 30 VDC Example 5 Fig 13 Low Power Mode PLC Interface Deactivated analog output Active pulse output linearised bounce free signal Current consumpt max 100 μA typical 50 μm Supply voltage 5 30 VDC Fig 12 Fig 13 ...

Страница 9: ...d range At exceeding of this final value a new summation starts i e the analog signal starts again on the low level saw tooth diagram 3 Gliding sum of precipitation At this operating mode the accumulated amount of precipita tion which is updated each minute is emitted within the se lected time frame At exceeding the final value of the selected range the analog signal remains on the highest level u...

Страница 10: ...00 15188 004 050 but in additional with controlled 2 circuit heating like 15188 H Id No 00 15188 204 050 Safety instructions This system is designed according to the state of the art ac cepted safety regulations However please note the following rules 1 Before setting into operation please read all appropriate manuals 2 Please take notice of internal and state specific guidelines and or rules for ...

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