Trace2O METALYSER HM1000 Manual de usuario

METALYSER PORTABLE HM1000

Portable Field Heavy Metals Analyser

Metalyser®Portable HM1000

Instruction Manual

v 5.0

2 www.trace2o.com

CONTENTS

1. Introduction

2. Kit Content

3. Getting to Know Your Metalyser

4. Getting Started

5. Operating Procedure

6. Adding a Standard Addition

7. Troubleshooting

8. Interference Effects

9. Specifications

Metalyser®Portable HM1000

Instruction Manual

v 5.0

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1. INTRODUCTION

The Metalyser

Portable

HM1000

instrument

ideal

for testingof

very

low

heavy

metal

concentrations

natural

water

courses,

for

example lakes

and

rivers. The

HM1000 is a

ruggedfieldkitthattestsfora range of9heavymetalsandcanbe used both as a

collection

and

measurement device

for at-site

analysis.

It is very portableusing a batteryas its

power sourceand can provide

results

to <10ppb rapidly.

The Metalyser

HM1000

utilises

voltammetric technique

to detect heavy metal ions in

solution. The

technique

is not new- it was first

proposed

in the 1920s - but recent

advances

electronics

and software

have

provideda

means

to makethe

instrument

portable. The instrument takes a complex idea but makes it easy to understand and is

therefore usable for a competent person not trained in voltammetry. No complex

chemical techniques need to be employed during the course of the analysis.

The Metalyser

HM1000 is

very

robust and hasbeen

designed to be

virtually maintenance

free. The

instrument is

sealed against

water

ingress

and is housed in a waterproof case,

making it suitable for use onsite for carrying out field screening analysis.

The Metalyser

HM1000 is

ready

out-of-the-box and can be used after

charging

the

built-inbattery.Aftera periodof non-use,the

Metalyser

ready

to operate

very quickly

afterputting the sonde headinto the water sample.

Metalyser®Portable HM1000

Instruction Manual

v 5.0

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2. KIT CONTENT

Pipette

Cable

Clamp

Electrode

Rinse Solution

Conditioning

Solutions

Metalyser

Instrument

Sonde

Polishing

kit

Standards

Stirrer Oil and

Reference Electrode

Fill Solution

USB Power Supply

Transformers and

Adapters

Sample Analysis

Beaker (SAB)

Beakers

Buffer Kits

Instruction Manual

Metalyser®Portable HM1000

Instruction Manual

v 5.0

www.trace2o.com 5

3. GETTING TO KNOW YOUR METALYSER®

Metalyser®Portable HM1000

Instruction Manual

v 5.0

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USB Connector

The

USBconnector can be used to

charge

the batteryusingthe

supplied

car or

mains charger,

and alsofor download/uploadand

charging via

a PC or laptop.

LCD Screen

The

LCD

screen tells

you what is

happening

as you go along. It will

continually

display

the currentdate and time as wellas other useful

indicators

such as battery

and connectionstatus.

The screen

is alsobacklit,

enabling

useof the

instrument

underpoor

lighting

conditions.

ON/OFF Button

The ON/OFF

is used to turn the

instrument

on and off, thereis alsoan optionalten

minute

auto shutdown

feature

shouldyou

leave

the

instrument

unattended.

Navigation Joystick

The

joystick

allows

you to

quickly

and

easily navigate

your way through the

menus

and features of the Metalyser®. The joystick provides

five

controls; Up, Down,

Left, Right and OK. To

navigate

up, down, left and right

simply

push the joystickin

the required direction.To selectan option or ‘OK’ a choice press the joystickin the

centre.

Cancel Button

Pressing

the

cancel

button will

return

you to the

menu or screen.

Metalyser®Portable HM1000

Instruction Manual

v 5.0

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On Screen Indicators

At the bottom of the

screen

thesesymbolswillappearperiodically

to provide

information

about the

instrument’s

status.

Battery fast charge indicator

Battery trickle charge indicator

Battery fault/overheat indicator

Battery full

Battery ¾ full

Battery ½ full

Battery ¼ full

Battery empty

USB connection to PC established

Stirrer on indicator

Metalyser®Portable HM1000

Instruction Manual

v 5.0

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Components and care of components

The Sonde

The sonde head contains the electrodes and stirrer to carry out analysis. It comes

pre-assembled with the 4 electrodes and a Sample Analysis Beaker (SAB). The

electrodes are the WE1 (Working Electrode 1), WE2 (Working Electrode 2), R

(Reference Electrode) and C (Counter Electrode). The sonde has the electrode letter

references embossed onto it to ensure they are connected in the correct positions.

To fit an electrode, simply align the arrow on the electrode with the arrowon the

sonde head and push the electrode onto its socket. A quiet double click should be

heard. Gently pullon the top of the black holder of the electrode to ensure it is fully

connected.

To remove the electrodes pull back the connector shroud with the arrowon and the

connector willpulloff.

When attaching or removing electrodes be careful to avoid touching the stirrer.

The different Working Electrodes can be identified by the number of connecting pins

and are not interchangeable.

Electrode WE1 (6 pins) is to be fitted in position WE1.

Electrode WE2 (3 pins) is to be fitted in position WE2.

Do not mix up the electrodes as this can cause damage to the instrument.

The sonde can be assembled in one of two ways. Firstly, the short cable attached to

the Sonde can be connected directly to the instrument. It can then be attached to the

clamp and stand included in the kit and fitted inside the box. The second option is to

fit the extension cable between the Sonde and the instrument. This allows the

instrument to be used to collect samples as well as analyse them.

The sonde(electrodes x 4) SAB(Sample Analysis Beaker)

Metalyser®Portable HM1000

Instruction Manual

v 5.0

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In-line waterproofcableconnector

Warning: Sonde headis designed for submersion up to 1 metrein water. Lowering

the headdeeperthan this mayresult in water ingress which willrequire sonde head

replacement.

Note: The

sonde

cable may be fixed to the lidof the Metalyser®box, using

the

box

closure

tabs and the

supplied

cableclamp.

Alternatively,

the usermay

attach the cable to a suitable fixture at the sample site, e.g. branch, rope,

fence, barrier

Metalyser®Portable HM1000

Instruction Manual

v 5.0

10 www.trace2o.com

Electrodes

Counter electrode –this electrode needs the least

maintenance of all. A quick visual inspection to ensure the

electrode has no physical damage.

Reference Electrode –this electrode contains a liquid filled

tube, the liquid can be replenished by using the Reference

Electrode Fill Solution provided in the kit. Perform a visual

inspection to ensure it has no physical damage and ensure

there is enough liquid in the outer tube and that there are no

bubbles in the inner tube. For best performance, the

Reference Electrode tip should be kept wet. Please remove

cap before use, and replace after use. Always place a few

drops of deionised water in the cap before replacing it on the

electrode.

Working Electrode –the electrode surface should be

examined for cracks and imperfections that will affect analysis.

The electrode should be regularly polished to remove

contaminants and ensure a smooth mirror-like surface using

the supplied glass platen, polishing cloth and polishing slurry

(see below). Ensure that the protective rubber cap is replaced

during storage of the electrode to prevent damage to the

electrode surface. After polishing, conditioning steps need to

be undertaken before analysis. The different Working

Electrodes can be identified by the number of connecting pins

and are not interchangeable. Electrode WE1 (6 pins) is to be

fitted in position WE1.

Electrode WE2 (3 pins) is to be fitted in position WE2.

Do not mix up the electrodes.

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