Environmental Instruments AQMesh Manuale utente

Operating manual

Environmental Instruments Ltd

Unit 5 The Mansley Centre

Timothy’s Bridge Road

Stratford-upon-Avon

Warwickshire

CV37 9NQ

Tel: +44 (0)1789 777703

Email: [email protected]

Website: www.aqmesh.com

 
OMAQM4.0 
 

Contents 
 
 
Manual guidelines ........................................................................................................... 3 
1 Hyperlinks..........................................................................................................................3 
2 Notes.................................................................................................................................3 
3 Safety-related information .................................................................................................3 
4 Introduction.......................................................................................................................3 
5 The AQMesh system...........................................................................................................4 
General ........................................................................................................................... 5 
1 Safety instructions..............................................................................................................5 
2 Range of environmental conditions.....................................................................................6 
3 Safety symbols used ...........................................................................................................6 
4 Power options....................................................................................................................7 
5 Storage ..............................................................................................................................8 
6 Shipping pods.....................................................................................................................8 
7 Moving pods ......................................................................................................................9 
8 Memory.............................................................................................................................9 
9 Calibration .........................................................................................................................9 
10 Cross-gas effects and data processing..............................................................................10 
11 Service ...........................................................................................................................10 
12 Cleaning .........................................................................................................................10 
Installation.....................................................................................................................11 
1 Tools required..................................................................................................................11 
2 Preparation......................................................................................................................11 
3 Installation method..........................................................................................................12 
4 Cable conductor sizes and cable insulation requirements ..................................................15 
5 How to wire the external DC supply..................................................................................16 
6 Deployment tips to minimise electromagnetic compatibility .............................................18 
7 How to connect the external high capacity battery pack....................................................19 
8 How to connect the solar panel assembly .........................................................................19 
9 NiMH rechargeable battery / charging ..............................................................................19 
10 Changing the battery ......................................................................................................20 
11 Activation method..........................................................................................................21 
12 LED codes during the start-up sequence..........................................................................24 
13 Changing a sensor...........................................................................................................25 
14 Getting online ................................................................................................................27 
Important notices to all customers..................................................................................28 
1 AQMesh pod technical specification .................................................................................28 
2 Solar power unit technical specification ............................................................................30 
3 Warranty policy................................................................................................................30 
4 WEEE compliance.............................................................................................................33 
5 Battery disposal considerations ........................................................................................33 
6 Declaration of Conformity ................................................................................................35 
 
 

Manual guidelines

1.1 Hyperlinks

Hyperlinks to other sections of this manual, websites or email addresses are in

the following format:

www.aqmesh.com

1.2 Notes

Important/useful information and instructions are shown clearly throughout the

manual in the note format below:

Note: For further information please contact AQMesh technical support

by emailing [email protected] or contacting your distributor

1.3 Safety-related information

Information in this manual that may affect the safety of users and others is

preceded by the following symbol:

Warning

Failure to follow this information may result in physical injury, which in some

cases could be fatal.

1.4 Introduction

This manual explains how to install and operate the AQMesh air quality monitor.

The AQMesh air quality monitor is designed to measure atmospheric gases and

particulates in ambient environments. It has been developed to incorporate the

latest design and technology, providing the user with an extremely simple-to-

use and flexible monitor that is intended for use in a number applications.

Note: Whilst robust in design the monitor is a sensitive piece of scientific

equipment and should be treated as such.

OMAQM4.0

1.5 The AQMesh system

AQMesh has the following features:

•Parts per billion measurements of gases

•Particle count and mass estimation

•Up to two years sensor and battery life, depending upon data frequency,

transmission rates and battery type chosen

•NO gas measurement in the range 0 to 4,000ppb

•NO2 gas measurement in the range 0 to 4,000ppb

•O3 gas measurement in the range 0 to 1,800ppb

•Optional CO gas measurement in the range 0 to 6,000ppb

•Optional SO2 gas measurement in the range 0 to 10,000ppb

•Optional particle count 0.3 to 30+ µm

•Pressure measurement range 500 to 1500 mb

•Pod temperature measurement range -20 to +100 ˚C

•Humidity measurement range 0 to 100 %RH

•Wireless GSM communications

•Automatic GPS location (Not Mk1 hardware)

•Secure mounting

•Rugged, waterproof IP65 case design

•Long-life lithium primary or rechargeable NiMH battery options.

•Other power options include 12V D/C, solar panel, external high capacity

battery pack or 110-240V A/C mains (using a suitable transformer)

•Simple installation

•Large or small networks –single pod or 100’s

•Data is automatically downloaded to secure server

•Easy access to data via web account or API

•Data tables and graphs

•Data export

OMAQM4.0

General

If practical, protect the analyser from strong direct sunlight as this will quickly

raise the temperature of the analyser beyond its operating range. The

manufacturer has provided a sun shield to help with the effects of direct sunlight

which should be oriented towards the prevailing sun throughout the hottest

part of the day.

2.1 Safety instructions

Warning

The AQMesh pods have a back-plate that covers any

accessible components which may cause electric shocks

or burns. This plate must only be removed when power to

the system has been removed.

Failure to isolate the supply could result in an electric

shock or burns.

It is the responsibility of the owner of this equipment to

complete a risk assessment on its installation, operation,

and maintenance prior to it being used.

Only suitably trained personnel should carry out the installation in accordance

with the relevant applicable codes of practice.

Repair and maintenance of this equipment should be carried out in accordance

with the relevant applicable codes of practice by trained personnel.

Only the manufacturers approved components are to be used as replacement

parts.

If the equipment is likely to be exposed to aggressive substances, e.g. acidic

liquids, gases that may attack metals or solvents that may affect polymeric

materials, then it is the responsibility of the user to take suitable precautions.

Warning

When opening the AQMesh pod great care must be taken

by the operator. It is the responsibility of the owner of the

equipment to ensure that all personnel are adequately

trained.

OMAQM4.0

The equipment should not be altered in any way other

than described within this operating manual. Alterations

or changes outside of this operating manual could make

the equipment unsafe.

It is vital that the instructions in this operating manual are

followed closely. Failure to comply could cause an injury

to the operator.

Note: While robust in design the monitor is a sensitive piece of scientific

equipment and should be treated as such.

2.2 Range of environmental conditions

AQMesh pods are tested for use in ambient temperatures in the range of -20°C

to +50°C. The AQMesh pods are designed for use outdoors and have an IP65

rating.

2.3 Safety symbols used

The following safety symbols may be used on the AQMesh pods:

Protective conductor terminal

Caution, risk of electric shock

Caution, refer to operation manual.

Class 2 laser, risk of blindness.

Warning

Where the symbol or is used on the product, the

operating manual must be consulted.

General product label symbols are listed as follows:

OMAQM4.0

CE conformity-The CE-

marking is the

manufacturer's statement

to the EU authorities that

the product complies with

all relevant CE-marking

Directives.

Separate collection,

handling and disposal

for waste electrical

and electronic

equipment and its

components.

VDE mark is a symbol for

electrical, mechanical,

thermal, toxic, radiological

and other hazards.

Refer to operators

manual.

Double insulated

construction - does not

require an Earth.

Equipment for indoor

use only.

2.4 Power options

AQMesh pods can be supplied with a number of different power options,

specified at time of manufacture.

Power options

Warning

Internal primary Lithium battery

pack.

(AQM-BATTERY).

Output : 3.6V 76Ah, 273.6Wh.

Contains Lithium Thionyl chloride

Batteries.

Do not use if damaged.

Fire, explosion hazard if used incorrectly.

Do not recharge, disassemble, heat

above 100degC, incinerate or expose

contents to water.

Please do not return if faulty.

Dispose of according to local regulations.

Internal rechargeable NiMH Battery

pack.

(AQM-RECHARGE)

Output : 3.6V 9Ah, 32.4Wh.

Contains NiMH Batteries.

Do not use if damaged.

Fire, explosion hazard if used incorrectly.

Please do not return if faulty.

Dispose of according to local regulations.

Recharge indoors in an open area on a

fire-resistant surface using the

manufacturer supplied charger (part no.)

only.

OMAQM4.0

External manufacturer battery pack

(Option only available at time of

manufacture)

Output : 3.6V 456Ah, 1641Wh

3.6V 200mA.

Contains Lithium Thionyl chloride

Batteries.

Do not use if damaged.

Fire, explosion hazard if used incorrectly.

Do not recharge, disassemble, heat

above 100degC, incinerate or expose

contents to water.

Please do not return if faulty.

Dispose of according to local regulations.

External DC power

(Option only available at time of

manufacture)

Input: 9-25V

130mA @9V

Danger risk of electric shock

No user serviceable parts.

Do not open.

AQMesh pods are supplied with 1.5M of

arctic grade 2-core electrical cable which

should be trimmed and terminated in a

suitable junction box.

Solar panel assembly

(Option only available at time of

manufacture)

Input: 12V

100mA @12V

Danger risk of electric shock and hot

surfaces

No user serviceable parts.

Do not open.

AQMesh pods are supplied with 1.5M of

arctic grade 2-core electrical cable with

military style connectors for connecting

the pod and solar panel. Extension leads

are available AQM-EXT.

2.5 Storage

When not in use the AQMesh pods should be kept in a clean, dry and ambient

temperature environment, such as an office. It should be stored upright on its

base, which helps prolong the life of the sensors.

2.6 Shipping pods

If fitted with an internal lithium battery pack, specified at time of manufacture,

AQMesh pods are considered class 9 dangerous goods. It is therefore not

possible to ship these AQMesh pods via a normal courier service, or travel with

them on any commercial flight, unless you remove the lithium battery pack first.

OMAQM4.0

Note: The transportation of dangerous goods is controlled and governed

by a variety of different regulatory regimes, operating at both the national

and international levels. Collectively, these regulatory regimes mandate the

means by which dangerous goods are to be handled, packaged, labelled and

transported.

If you are sending pods fitted with lithium batteries to a new location they must

be packaged accordingly for class 9 dangerous goods and sent via a dangerous

goods carrier with all relevant paperwork and notifications.

AQMesh pods which are not fitted with the lithium battery pack can be shipped

via any normal courier service.

2.7 Moving pods

When AQMesh pods have been relocated they must go through the rebasing

process in their new environment. This has to be manually initiated by logging

in to the AQMesh server and selecting the rebasing option.

The risk of sensor failure is worst when pods are moved around or shipped.

Please ensure that relative humidity levels and temperature is changed

gradually and the pods are handled gently, particularly when they have been

recently exposed to high relative humidity For example, when wanting to bring

pods indoors they should be left to sit in cool, dry conditions for 24 hours prior

to bringing them fully indoors.

2.8 Memory

Data is automatically transferred to the AQMesh server for secure storage and

processing. Data is only stored locally when it cannot be transmitted to the

server. The internal memory should not be used as a permanent storage

medium and any important data should be transferred to AQMeshData as soon

as possible. The monitor should not be stored for prolonged periods with

valuable data in its memory. The pod memory should be cleared after any power

cycle to avoid potential corruption of its memory leading to loss of data.

2.9 Calibration

OMAQM4.0

The gas sensors fitted into the AQMesh pods are fully calibrated during the

manufacturing process and they do not exhibit drift normally associated with

other types of gas sensor. However, to confirm accuracy prior to deployment

pods can be co-located with industry standard reference equipment and scaled

accordingly. Guidance on scaling can be found at www.aqmesh.com/support.

2.10 Cross-gas effects and data processing

The electrochemical sensors fitted into the AQMesh pod suffer cross-gas effects.

Measured gases (i.e. NO, NO2, O3) are compensated automatically during post-

processing on the AQMesh server. Any unmeasured gases could be the cause of

erroneous gas measurements.

Note: For further information please contact AQMesh technical support

by emailing [email protected] or contacting your distributor

2.11 Service

If handled and operated correctly your AQMesh pods will last for many years

but should go through regular maintenance to ensure correct operation and

accurate readings. The manufacturer recommends replacement of all sensors

and (if fitted) the internal lithium battery every 2 years. The optional particle

counter should be routinely serviced annually (more frequent service may be

required depending on local conditions.

2.12 Cleaning

The AQMesh housing and fixings can be wiped clean using a damp non-fibrous

cloth. Do not submerge in water. Do not attempt clean the sensor membranes.

Note: Do not use solvents or any other chemical cleaners as they may

damage the finish and adversely affect the gas readings.

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