HyQuest Solutions TB3 Manuel utilisateur

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 110-01 Issue 12: 29/7/2014

INSTRUCTION MANUAL

TIPPING BUCKET RAINGAUGE

MODEL TB3

QUALITY SYSTEM

ISO:9001

CERTIFIED

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 100-02 Issue 12: 29/7/2014

TableofContents

I. GENERAL.........................................................................................................................3

II. UNPACKING YOUR TB3 RAINGAUGE.......................................................................3

III. SPECIFICATION...........................................................................................................4

IV. INSTALLATION ...........................................................................................................5

V. TEST OPERATION ..........................................................................................................6

VI. MAINTENANCE...........................................................................................................7

VII. ELECTRICAL................................................................................................................9

VIII. CALIBRATION..........................................................................................................9

IX. TB3 PART LIST..........................................................................................................10

TB3 Base Part List...........................................................................................................11

TB3 Bucket Part List .......................................................................................................12

Syphon Part List...............................................................................................................13

Filter Part List..................................................................................................................14

Enclosure Part List...........................................................................................................15

XI. FIELD CALIBRATION DEVICE ...............................................................................16

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 100-03 Issue 12: 29/7/2014

TIPPING BUCKET RAINGAUGE MODEL TB3

I. GENERAL

The Hyquest Solutions Tipping Bucket Raingauge (TB3) is recognised as the standard for

measuring rainfall and precipitation in remote and unattended locations. The TB3 raingauge

operates on the tipping bucket principle, and can be supplied with two types of bucket

assemblies; Painted Metal (Brass) or Chrome Plated ABS (Plastic). A receiver of 200mm

diameter collects the rainfall, which then flows through the Stainless Steel Catch Filter into

the Syphon Mechanism before being passed into the tipping bucket measuring system. One

tip of the bucket will occur when the calibrated resolution of precipitation is collected (either

0.2, 0.5, 1.0mm or 0.01 inch). When the bucket tips, it will pass the encapsulated Dual Reed

Switch assembly that detects these events and produces a momentary contact closure signal

for:

logging into our of precipitation Rainfall Data Logger, Model ML1-FL

telemetered rainfall systems such as the RainTrak, Model, Model RT-

displayed on our Total Rainfall Display (TRD).

II. UNPACKING YOUR TB3 RAINGAUGE

This package should contain:

TB3 Rain gauge

TB311/5 5 metre connecting lead

M4 Allen Key

Please verify you have received these items and that the Tipping Bucket Raingauge

resolution is as ordered.

To prepare the Tipping Bucket Raingauge for installation:

lift the unit from the carton and place on secure surface

remove polythene bag

loosen the three enclosure securing screws and back them off until

screw head is clear of the enclosure.

lift the enclosure from the gauge

carefully remove the elastic band that secures the bucket assembly

during transit.

Your Tipping Bucket Raingauge is now ready for installation.

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 100-04 Issue 12: 29/7/2014

III. SPECIFICATION

Receiver: 200 mm + 0.3 diameter heavy duty cast aluminium, Powder coated.

Resolution: one tip at 0.2, 0.5, 1.0 mm or 0.01 inch of rainfall.

Maximum Intensity: 700 mm / hr.

Calibration accuracy: TB3 bucket capacity Range Accuracy

0.1mm, 0.2mm, 0.01”,

0.5mm & 1.0 mm 0-250 mm/hr + 2 %

250-500 mm/hr + 3 %

Long term stable calibration.

Humidity: 0 to 100 %

Temperature: - 20 to +70oC

Contact system: dual reed switches encapsulated with varister protection.

- Max Capacity: 24 Volts (0.5 amp max.)

- Resistance: Initial contact resistance 0.1 OHMS

- M.T.B.F: 108to 109Operations

Syphon: 0.4 mm (12 ml) capacity of rainfall - made from Brass with a non

hydroscopic outer body. The syphon can be dismantled for routine cleaning

and servicing.

Bucket: Two types of bucket assemblies available; synthetic ceramic coated Brass

bucket, balanced to +/- 0.05 gms, and injection moulded, chrome plated, non-

hydroscopic ABS plastic, UV stabilised, balanced to +/- 0.05gms.

Base: Diecast aluminium.

Level: bulls eye level adhered to aluminium base.

Mounting holes: three 10 x 20 mm slotted holes with 234 to 254 PCD cast in feet attached to

outside diameter of base.

Drain fittings: to attach 12.5 mm inside diameter tubing, to catch rainfall after passing

through buckets.

Pivots: ground

Sapphire Pivots with tough 316g stainless steel shaft.

Insect covers: stainless steel mesh on all openings to prevent insects and ants entering

gauge.

Outer enclosure: keyed to enable the release of the outer enclosure without the need for the

removal of the three securing screws.

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 100-05 Issue 12: 29/7/2014

2x Stainless Steel

M6 Washer

2 x M6 Nuts

2 x Plastic Washers

Height: 330 mm

Weight: 3 kg

Packed Dimensions: 24cm L x 24cm W x 42cm H x 5 kg (0.03m3)

IV. INSTALLATION

DIAGRAM 1

Important Notice:

The 6 plastic washers are supplied with each rain gauge for the following reasons:

1- Avoid scratching the paint on the base and expose the base to an external harsh and

corrosive environment.

2- Avoid the stainless steel bolt and washers from damaging the paint on the aluminium

base and creating galvanic corrosion between stainless steel and aluminium.

Please note:

Stainless Steel bolts and nuts are part of the Mounting Plate Part No. TB334. This part is

supplied as an accessory and not part of the rain gauge kit.

M6 Bolt

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 100-06 Issue 12: 29/7/2014

i. Site Selection

Rainfall measurements are intended to be representative of the actual rain falling on a given

area. Some of the more important factors which influence the representativeness of a gauge

are as follows:

Site the gauge on level ground where possible. Avoid sloping sites.

Site should have adequate protection from strong winds.

Site should be free of large obstructions such as buildings and trees.

Provide suitable ground surface to avoid splashing into the gauge.

ii. Setting up

Install the gauge on the foundation. A suggested foundation is detailed

in Diagram 1.

Loosen the three enclosure securing screws and the enclosure.

The gauge is provided with a level. Proceed to level by adjusting the

hold down anchors as required.

Connect lead to the raingauge terminals, in accordance with Diagram

3, and to the recording device, in accordance with manufacturer’s

instruction manual.



V. TEST OPERATION

Manually tip the bucket a number of times, ensuring that each tip is

being recorded and that the tilting mechanism is operating freely.

Replace and secure the enclosure.

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 100-07 Issue 12: 29/7/2014

VI. MAINTENANCE

The only routine maintenance required is cleaning. The following items should be checked

regularly for cleanliness:

Catch filter

Syphon (refer diagram 2)

Interior of bucket

Ensure Rain Gauge is level using the bubble level fitted to the base

Enclosure locking screws - lightly lubricate after cleaning

All insect screens

i. Dismantle Details

(a) Unscrew nut

(b) Lightly press stem down on surface until stem pops out of syphon body.

(d) Unscrew cap

(e) Clean all items

Push Filter

Pull

Syphon

To dismantle the Filter & Syphon

Assembly. Push filter and pull

syphon at the same time. Do not

twist.

Do not twist

while pushing &

pulling

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 100-08 Issue 12: 29/7/2014

DIAGRAM 2

ii. Assembly Details

(a) Screw cap on stem. Finger tight only.

(b) Push stem into syphon body.

To re-assemble push the

filter/syphon assembly

back in place. Do not twist

6- Syphon Body ____Part No. TB412-01

1- Filter Cover ____Part No. TB410-01

2- Filter Screen ____Part No. TB410-02

3- Stem Cap ______Part No. TB309-03

4- Stem __________Part No. TB309-02

5- O Ring _________Part No. SC024-23

7- Brass Nut _______Part No. SC008-38

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 100-09 Issue 12: 29/7/2014

VII. ELECTRICAL

Dual reed switches are provided for several reasons:

Two isolated switches permit the control of two separate circuits; e.g. a

local counter and a telemetry circuit.

Parallel connection of both switches increases the current carrying

capacity of the contact system if required.

Parallel switch operation confers a degree of redundancy in locations

where data from the raingauge is critical to flood warning etc.

VIII. CALIBRATION

All gauges have been calibrated by Hyquest Solutions Pty Limited prior to despatch.

The following products and services are available from Hyquest Solutions Pty Ltd.:

Field Calibration Device, Model FCD, for routine field check calibrations,

supplied with operating instruction sheet.

Laboratory Calibration Unit, Model TB340, for calibration after servicing in

workshops, supplied with operating manual.

Recalibration Service at Hyquest Solutions’ factory.

Please contact either Hyquest Solutions Pty Ltd or our local distributor for further

information.

Voltage free closure reed switch

Switch ‘1’ Switch ‘2’

Mounting Holes

HYQUEST SOLUTIONS PTY LTD

Tipping Bucket Raingauge TB3 100-010 Issue 12: 29/7/2014

IX. TB3 PART LIST

Raingauge

Part No. Raingauge Description

TB3/0.2/M Tipping Bucket Raingauge, bucket capacity 0.2mm,

bucket type synthetic ceramic coated brass

TB3/0.01/M Tipping Bucket Raingauge, bucket capacity 0.01inch,

bucket type synthetic ceramic coated brass

TB3/0.5/M Tipping Bucket Raingauge, bucket capacity 0.5mm,

bucket type synthetic ceramic coated brass

TB3/1.0/M Tipping Bucket Raingauge, bucket capacity 1.0mm,

bucket type synthetic ceramic coated brass

TB3/0.2/P Tipping Bucket Raingauge, bucket capacity 0.2mm,

bucket type chrome plated injection moulded non

hydroscopic plastic ABS UV Stabilised

TB3/0.01/P Tipping Bucket Raingauge, bucket capacity 0.01inch,

bucket type chrome plated injection moulded non

hydroscopic plastic ABS UV Stabilised

TB3/0.5/P Tipping Bucket Raingauge, bucket capacity 0.5mm,

bucket type chrome plated injection moulded non

hydroscopic plastic ABS UV Stabilised

Note:

The TB3 Raingauge can be ordered either with a Synthetic Ceramic

Coated Brass bucket or Chrome Plated, injection moulded, non-

hydroscopic, UV Stabilised ABS plastic bucket.

Brass

Metal

Bucket

Chrome Plated

ABS Plastic

UV Stabilised

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