Trace2O ARSENOMETER HMAS100 Instruction Manual Download | Manualshive

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Arsenometer HMAS100

Instruction Manual v2.0

2.3. OPERATING PROCEDURE

2.3.1. METHODS

The Arsenometer operating procedure consists of two main steps

– plating

(conditioning) and analysis. The plating step forms a plate on the surface of the
working electrode which can be seen as a yellow/gold layer on the tip of the Working
Electrode. The quality of this plate is essential to achieving reliable

results.

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Summary of Contents for ARSENOMETER HMAS100

Page 1: ...ARSENOMETER HMAS100 Portable Arsenic Analyser...

Page 2: ...2 1 GETTING TO KNOW YOUR ARSENOMETER 4 2 2 GETTING STARTED 11 2 3 OPERATING PROCEDURE 17 2 3 1 METHODS 17 2 3 2 PLATING 18 2 3 3 ANALYSIS 20 2 3 4 STANDARD ADDITION ANALYSES OVERVIEW 22 2 3 5 ADDING A...

Page 3: ...he Arsenometer HMAS100 is a rugged field kit using a well established technique for the detection of heavy metals Anodic Stripping Voltammetry The HMAS100 is very robust and has been designed to be vi...

Page 4: ...Instruction Manual v2 0 2 1 GETTING TO KNOW YOUR ARSENOMETER USB Connector Sonde Connector Cable LCD Screen USB Connection Indicator Battery Status Indicator ON OFF Button Stirrer Icon 4 Way Navigati...

Page 5: ...use of the instrument under poor lighting conditions ON OFF Button The ON OFF is used to turn the instrument on and off there is also an optional ten minute auto shutdown feature should you leave the...

Page 6: ...he screen these symbols will appear periodically to provide information about the instrument s status i i Battery fast charge indicator Battery trickle charge indicator Battery fault overheat indicato...

Page 7: ...sed 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 regu...

Page 8: ...indicated on the handset The stirrer has been designed to minimise turbulence thus ensuring increased repeatability Sample Analysis Beaker SAB the SAB has a fixed volume so that when full and removed...

Page 9: ...nalyse sample can be used Standard Addition Used to analyse samples and calculate the unknown concentration by the addition of a known standard Calibrate Used with analyse sample Calibration must be p...

Page 10: ...designed for submersion up to 1 metre in water Lowering the head deeper than this may result in water ingress which will require sonde head replacement Note The sonde cable may be fixed to the lid of...

Page 11: ...r to section on software installation Unscrew the blue cap Insert mini USB lead Tighten the screw cap Connect to chosen charge system Computer Mains 12V The Arsenometer is capable of charging at a fas...

Page 12: ...u select System From the system menu select Charge Highlight required charge rate and press OK Press cancel to return to main menu Note The fast charge option is only available when the instrument is...

Page 13: ...ific location navigate to CD Rom Windows should install the drivers Once complete the wizard will run again Use the same settings as before Once Windows has installed the drivers reboot the computer a...

Page 14: ...Backlight Highlight required setting and press OK Press cancel to return to main menu Language Selection The Arsenometer comes with English French and Spanish languages pre installed To Change the lan...

Page 15: ...y align the arrow on the electrode with the arrow on the sonde head and push the electrode A quiet double click should be heard Gently pull on the top of the black holder of the electrode to ensure it...

Page 16: ...wn from the hole and use the pipette to drop enough solution into the Reference Electrode to fill it up Once topped up replace the band to prevent the electrode fill solution escaping Only use the sup...

Page 17: ...senometer operating procedure consists of two main steps plating conditioning and analysis The plating step forms a plate on the surface of the working electrode which can be seen as a yellow gold lay...

Page 18: ...ould be carried out in sample water and undertakes a run which sensitises the Working Electrode Example Overview of As III procedure to first plate then sensitise the electrode Main Menu Choose Test M...

Page 19: ...analysis decreases If a lot of samples are to be analysed then a plate in the morning and one in the afternoon at the beginning of the session is recommended If in doubt remove the old plate by wipin...

Page 20: ...this has been successfully completed an Analyse Sample can be undertaken Note using Analyse Sample without establishing a new calibration curve the previous calibration will be used which may not be...

Page 21: ...ected contaminant is present in the buffers being used Performing this will replace the previous blank After each analysis the sonde head and the electrodes are to be washed thoroughly This is in orde...

Page 22: ...ion based test More extensive information on performing analyses can be found in the application notes Wipe polish WE2 Pour Plating Solution into the SAB attach sonde Run Plating on the Arsenometer Re...

Page 23: ...o the actual concentration For example an unknown sample is expected to be around 15ppb then a 20ppb standard in this case is sufficient If the user expects the analysis to be 100ppb then for example...

Page 24: ...ft on this screen and then pushing the centre of the joystick to accept it Deposition time Concentration range 30 seconds 50ppb to 500ppb 60 seconds 10ppb to 50ppb 120 seconds 10ppb Suggested ranges f...

Page 25: ...rrer does the stirrer rotate Does it mix the powder reagents when operating To check this run the stirrer according to the instructions on page 16 3 Working Electrode is the Working Electrode plated c...

Page 26: ...e unlikely to occur 2 6 SPECIFICATIONS Arsenometer HMAS100 Handheld Unit Input Power 4 5 5 5 V DC 250mA Power Connector Type mini USB Type B Bulgin micro series Li Ion Internal Battery Output voltage...

Page 27: ...www trace2o com 27 Arsenometer HMAS100 Instruction Manual v2 0 NOTES...

Page 28: ...om Arsenometer HMAS100 Instruction Manual v2 0 The Technology Centre Wagtech Court Station Road Thatcham Berkshire RG19 4HZ United Kingdom T 44 0 1635 866772 Fax 44 0 1635 873509 E sales trace2o com W...

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