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(15189 analog) Precipitation Sensor

Operating Instructions

Operating Instructions
Precipitation Sensor (15189 analog)

Features

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Precipitation sensor for automatic weather stations

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Linearised pulse output, e. g. for connection to external data loggers

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Selectable analog output signals, e g. for easy connection to PLC

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Selectable measuring ranges as well as absolute or gliding sum for the analogue output signals

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Exchangeable, weighing tipping bucket system according to Joss-Tognini, over

ow proof

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2 cm³ tipping bucket (2 g water) for precise precipitation measuring in regions with normal rain falls

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4 cm³ tipping bucket (4 g water) for precise precipitation measuring in regions with heavy rain falls / tropical rain

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Winter-

t model (15189 H analog) with electronically controlled 2-circuit heating

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Weatherproof materials (anodized aluminium, stainless steel) guarantee a long durability

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Funnel according to the WMO Standard No. 8

Содержание 00.15189.002 050

Страница 1: ... or gliding sum for the analogue output signals Exchangeable weighing tipping bucket system according to Joss Tognini overflow proof 2 cm tipping bucket 2 g water for precise precipitation measuring in regions with normal rain falls 4 cm tipping bucket 4 g water for precise precipitation measuring in regions with heavy rain falls tropical rain Winter fit model 15189 H analog with electronically co...

Страница 2: ...e 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 output Thus an unproblematic integration into a PLC can be carried out The analog output can be deactivated for operation in low power mode In this case the precipitation sensor can be supplied separately from the signal circuit see fig 13 or...

Страница 3: ...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 plate...

Страница 4: ... order to guarantee its proper operation since dirt accumulation may cause errors of measurement The time interval of cleaning depends on the local conditions The operational check of the sensor may be performed by the use of artificial precipitation The contents of a 200 cm resp 400 cm by 4 cm buckets test container of water must be conducted into the collecting funnel through a nozzle in such a ...

Страница 5: ...eating Basic settings Fig 5 Unless otherwise agreed the precipitation sensor 15189 analog 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 5 Fig 6 Fig 7 5 ...

Страница 6: ...ab 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 power 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 are usable for c...

Страница 7: ...ns Precipitation Sensor 15189 analog 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 7 ...

Страница 8: ... circuit 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 8 ...

Страница 9: ...ted range At exceeding of this final value a new sum mation starts i e the analog signal starts again on the low level sawtooth 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...

Страница 10: ...cting cable 4 core sensor data logger L 7 m 00 15180 400 000 1518 S4 Stainless steel mast for con crete foundation 00 15180 800 000 1518 S8 Stainless steel mast for con crete foundation with base plate 32 15180 021 010 1518 U21a Bird protection ring 33 15180 049 000 1518 49 Dirt spiral spare part For heated versions 00 14966 200 000 1496 S62 Power supply unit 32 15188 061 020 15188 U61b Connecting...

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