Bulletin 9X/1, Issue 2 Export: 17-Feb-10
TIPPING BUCKET RAINGAUGE
Model TB6/0.1mm
INTRODUCTION
Special points of in-
terest:
Catch size 282.8mm The Hydrological Services Tipping
Bucket Raingauge model TB6/0.1mm
Bucket sizes: 0.1mm is recognised as the world standard for
measuring rainfall and precipitation in
Long term stable cali-
remote and unattended locations.
bration
Leaf filter resists block- Each unit consists of a collector funnel
ing with a leaf filter, syphon-less flow
mechanism, an outer enclosure with
Optional internal Data
quick release fasteners, and base which
Logger, with no exter-
houses the tipping bucket mechanism.
nal power requirement
In-built discharge out- The unit includes dual output reed
lets at base for water switches with varistor protection as
collection and analysis well as dual rainfall discharge outlets
for water collection and/or analysis.
Dual output signal for
data collection and
transmission TB6/0.1mm Raingauge
World class meteoro-
logical instrument
Easy to service with low
maintenance require-
ment
ML1
Data Logger
Inside this issue:
Designed & Manufactured Pole Mount
Special point of 1
Bracket Model
interest By
TB334
Introduction 1 Hydrological Services Pty Ltd
Photos 1 Address:
48-50 Scrivener Street Distributed By:
Operation 2 Liverpool, NSW, 2170, Australia
Ph. 61 2 9601 2022 Fax. 61 2 9602 6971
Specifications 2
Web: www.hydrologicalservices.com
Email: sales@hydrologicalservices.com
Model TB6/0.1mm
Operation Specifications
The bucket tips when precipitation of 0.1mm has been col- Receiver: 282.8mm + 0.3 diameter heavy duty cast
lected. A pulse from each tip is sensed by the reed switch and aluminium, Powder coated.
logged to a data logger. The dual reed switch can also trans-
mit the pulse to a telemetry system. Bucket capacity: 0.1mm
Sensitivity: one tip.
The Tipping Bucket Raingauge can be used in conjunction
with Hydrological Services data logger model ML1. The
logger is rugged and compact, it records the date and time of Calibration
occurrence of tips from the raingauge up to 100,000 events accuracy: + 1 % for intensities from 0 to 25 mm/hr
with 1 Second Resolution can be stored in the ML1's mem- (1inch/hr)
ory. The data is stored in a flash EPROM. + 3 % for intensities above 25 mm/hr (1inch/hr).
Long term stable calibration.
Humidity: 0 to 100 %
Temperature: - 20 to +70<C
Contact system: dual reed switches potted in soft silicon rubber
with varistor protection.
- Max Capacity: 24 Volts (0.5 amp max.)
- Resistance: Initial contact resistance 0.1 OHMS
- M.T.B.F: 108 to 109 Operations
Syphon-Less: Straight Through flow mechanism
Bucket: injection moulded non hydroscopic plastic ABS
UV stabilised balanced ±0.05 gms.
Base: injection moulded non-hydroscopic ABS plastic
UV stabilised.
Level: bulls eye level fitted to base.
Mounting holes: three 10 mm diameter mounting holes
with 117 mm p.c.d. cast in feet attached
to outside diameter of base.
Drain fittings: to attach 12 mm inside diameter tubing,
to catch rainfall after passing through
buckets.
TB6 Base with optional
ML1-FL Pivots: two stainless spring steel rolling bearings,
clamped at 90 degrees to bucket stainless spring
steel axle.
The ML1 fits inside the model TB6/0.1mm Raingauge. Its Insect covers: stainless steel mesh on all openings to prevent
compact design makes it ideal for incorporation into any insects and ants entering gauge.
piece of equipment where intelligent data acquisition and
logging are required. Outer enclosure: keyed to enable the release of the outer enclo-
sure without the need for the removal of the
three securing screws.
Accessories Height / Weight: 330mm / 2 kg
Description Part No.
Data Logger ML1/ML1-FL
RS232 to USB Converter DL307 Packed
Field Calibration Device TB320 / FCD Dimensions: 4 kg 0.03m3
TB3 Bird Guard TB333
TB3 Pole Mounting Bracket TB334
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