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Summary of Contents for Delta OHM HD2015
- Page 1 English Operating manual Tipping bucket rain gauge HD2015 Companies / Brands of GHM www.deltaohm.com Keep for future reference.
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Page 2: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ....................3 TECHNICAL CHARACTERISTICS ................4 INSTALLATION ..................... 6 ..................6 LECTRICAL CONNECTIONS ....................7 IPPING BUCKET ................... 8 NSTALLATION MODES MAINTENANCE....................11 ... -
Page 3: Introduction
1 INTRODUCTION HD2015 is a reliable and sturdy bucket rain gauge, entirely constructed of corrosion resistant materials in order to guarantee its durability. To ensure accurate measure- ments even with low temperature climatic conditions or during and after precipitations of snow, a version with heating system, automatically activated around +4 °C has been developed to prevent snow deposits and ice formations. -
Page 4: Technical Characteristics
+4 °C temperature Protection degree IP 64 Collector area 200 cm Minimum section of the wires 0.5 mm for the version without heating system (HD2015) of the connecting cable 2.5 mm for the version with heating system (HD2015R) HD2013 V1.0... - Page 5 Rainfall rate (mm/h) Fig. 1 – Normalized resolution (0.2 mm @ 50 mm/h) as a function of the rainfall rate Rainfall rate (mm/h) Fig. 2 – Normalized resolution (0.5 mm @ 50 mm/h) as a function of the rainfall rate To correct the measurement depending on the rainfall rate, it is necessary to log, in addition to the number of pulses, also the instants at which the pulses occur.
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Page 6: Installation
3 INSTALLATION The rain gauge is supplied already calibrated at 0.1 - 0.2 or 0.5 mm of rain per tip of the bucket: the calibration value is shown on the instrument label. The instrument must be installed in an open area, away from buildings, trees, etc., ensuring that the space above is free from objects which may obstruct the rain meas- urements and placed in an easily accessible position for periodical cleaning of the fil- ter. -
Page 7: Tipping Bucket
Fig. 3 – Electrical connections (version with heating system) 3.2 T IPPING BUCKET The tipping bucket is locked for the transport of the rain gauge. To unlock the bucket, remove the holders as shown in fig.4. For the For the transport operating mode... -
Page 8: Installation Modes
Fig. 5 – Adjustment of the tipping bucket 3.3 I NSTALLATION MODES Fig. 6 – Mechanical dimensions, installation modes HD2013 V1.0... - Page 9 Fig. 7 – Base for ground fastening (HD2003.78) Fig. 8 – Ground installation HD2013 V1.0...
- Page 10 Fig. 9 – Installation raised above ground - 10 HD2013 V1.0...
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Page 11: Maintenance
4 MAINTENANCE Verify filter cleanliness periodically; check that there is no debris, leaves, dirt in the lower filter or anything else that might obstruct the flowing of water. Check that the tipping bucket contains no deposits of dirt, sand or any other obstruction. If neces- sary, the surfaces can be cleaned with non aggressive detergent. - Page 12 1: magnet 2: tipping bucket 3: bearing 4: bush 5: spacer 6: screw 7: cover 8: screw 9: nut 10: filter 11: conveyor 12: circuit 13: washer 14: screw 15: contact 16: connector 17: screw 18: cable 19: heater 20: lock nut 21: cable gland 22: junction 23: support...
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Page 13: Instrument Storage
INSTRUMENT STORAGE Instrument storage conditions: • Temperature: -30...+70 °C. • Humidity: less than 90 %RH no condensation. • In storage, avoid places where: • humidity is high; • the instrument is exposed to direct sun radiation; • the instrument is exposed to a high temperature source; •... -
Page 14: Ordering Codes
Kit of accessories for the installation of the rain gauge raised 500 mm off the ground (HD2013.5.1 + HD2013.64 + HD2013.66). HD2015.5K.1 Kit of accessories for the installation of the rain gauge raised 1 m off the ground (HD2013.5.3 + HD2013.64 + HD2013.66). - Page 16 All DELTA OHM instruments are subject to accurate testing, and are guaranteed for 24 months from the date of purchase. DELTA OHM will repair or replace free of charge the parts that, within the warranty period, shall be deemed non efficient according to its own judgement. Complete replacement is excluded and no damage claims are accepted.
- Page 17 GHM GROUP – Delta OHM | Delta Ohm S.r.l. a socio unico Via Marconi 5 | 35030 Caselle di Selvazzano | Padova | ITALY Phone +39 049 8977150 | Fax +39 049 635596 www.deltaohm.com | info@deltaohm.com The quality level of our instruments is the result of the constant development of the product. This may produce some differences between the information written in this manual and the instrument you have purchased.
- Page 18 GHM GROUP – Delta OHM | Delta Ohm S.r.l. a socio unico Via Marconi 5 | 35030 Caselle di Selvazzano | Padova | ITALY Phone +39 049 8977150 | Fax +39 049 635596 www.deltaohm.com | info@deltaohm.com V1.0 03/01/2019...
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