EML ARG100 User Manual

UM-780-001-ARG100 – V1.00

ARG100 Rain Gauge

User Manual

UM-780-400-SBS Manual – V2.00 2 | P a g e

PUBLISHED BY

Environmental Measurements Limited (EML)

7 Jupiter Court

Orion Business Park

North Shields NE29 7SE

United Kingdom

Visit our internet pages at http://www.emltd.net

©EML 2017

No part of this manual may be reproduced without any form or by any means, electronic or
mechanical (including photocopying), nor may its contents be communicated to a third party
without prior written permission of the copyright holder.

The contents are subject to change without prior notice.

Please observe that this manual does not create any legally binding obligation for EML
towards the customer or end user. All legally binding commitments and agreements are
included exclusively in the applicable supply contract or Conditions of Sale.

UM-780-400-SBS Manual – V2.00 3 | P a g e

Table of Contents

List of Figures .......................................................................................................................................... 4

List of Tables ........................................................................................................................................... 4

1. General Information ....................................................................................................................... 5

About this Manual .............................................................................................................................. 5

Version Information ........................................................................................................................ 5

Related Manuals ............................................................................................................................. 5

2. Introduction .................................................................................................................................... 6

3. Site and Installation Requirements ............................................................................................... 6

Choosing a site .................................................................................................................................... 6

Levelling the rain gauge ...................................................................................................................... 6

Baseplate method of levelling ............................................................................................................ 7

Paving slab method of levelling .......................................................................................................... 8

Levelling the rain gauge using a spirit level ........................................................................................ 8

Alternative mounting options ............................................................................................................. 8

4. Wiring Guidelines ........................................................................................................................... 9

ARG100/STD rain gauge ...................................................................................................................... 9

ARG100/EC rain gauge ........................................................................................................................ 9

ARG100/STD rain gauge with Limpet XL datalogger ........................................................................... 9

5. Operation ...................................................................................................................................... 10

Operation of the gauge ..................................................................................................................... 10

6. Maintenance and Calibration ...................................................................................................... 11

Basic Maintenance ............................................................................................................................ 11

Calibration ......................................................................................................................................... 11

7. Specifications ................................................................................................................................ 12

Gauge Specifications ......................................................................................................................... 12

Cable Specifications (if fitted) ........................................................................................................... 12

Appendix A – ARG100 products, accessories and spares ................................................................... 13

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List of Figures

Figure 1 – Baseplate method of levelling the rain gauge ....................................................................... 7

Figure 2 - Paving slab method of levelling the rain gauge ...................................................................... 8

Figure 3 - Reed switch and resistor ......................................................................................................... 9

Figure 4 - Filter and filter cap (left) / Nozzle delivering water into tipping bucket (right) ................... 10

List of Tables

Table 1 - Document Revisions ................................................................................................................. 5

Table 2 - Related Manuals ...................................................................................................................... 5

Table 3 - Gauge Specifications .............................................................................................................. 12

Table 4 - Cable Specifications (if fitted) ................................................................................................ 12

Table 5 – ARG100 products ................................................................................................................... 13

Table 6 - Accessories for the ARG100 ................................................................................................... 13

Table 7 - Spare parts for the ARG100 ................................................................................................... 13