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Multifunctional Mercury Analyzer RA-915M

RA-915M is a supersensitive and highly selective portable analyzer that allows real-time mercury measurement in ambient and indoor air. Being combined with dedicated attachments, the analyzer is used for mercury determination in solid and liquid samples, biological materials, and various gases. RA-915M-based sets can be used in stationary and field laboratories. Lumex Instruments 89

RA-915M is a supersensitive and highly selective portable analyzer that allows real-time mercury measurement in ambient and indoor air. Being combined with dedicated attachments, the analyzer is used for mercury determination in solid and liquid samples, biological materials, and various gases. RA-915M-based sets can be used in stationary and field laboratories.

RA-915M

RA-915M is a supersensitive and highly selective portable analyzer that allows real-time mercury measurement in ambient and indoor air. Being combined with dedicated attachments, the analyzer is used for mercury determination in solid and liquid samples, biological materials, and various gases. RA-915M-based sets can be used in stationary and field laboratories.
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About
Specifications
Applications notes
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RA-915M is used for background air monitoring, mercury surveys including continuous measurements from vehicles, indoor and outdoor pollution detection and mapping, demercurization control, occupational health and safety, geochemical exploration, etc.

Direct measurements comply with EN 15852 standard for the determination of total gaseous mercury in the air.

Application examples

Matrix

Limit of detection (LOD)

Gaseous samples

Ambient air (direct analysis)

0.5 ng/m3

Natural gas (with natural gas attachment)

1 ng/m3

Solid and liquid samples (with thermal decomposition attachment)

Soils, rocks, sediments

0.5 ppb (µg/kg)

Water and solutions

1 ppb (µg/L)

Foodstuff

0.5 ppb (µg/kg)

Biological samples (tissues, blood, hair, etc.)

0.5 ppb (µg/kg)

Crude oil, gas condensate

1 ppb (µg/kg)

Naphtha

direct

1 ppb (µg/kg)

preconcentration

0.05 ppb (µg/kg)

Coal

1 ppb (µg/kg)

Sorbent traps for stack gases

0.5 ng*

Solid and liquid samples (with cold vapor (CV) attachment)

Water and solutions

0.1 ppt (ng/L)

Urine

0.1 ppb (µg/L)

Biological samples

0.1 ppb (µg/kg)

Foodstuff

0.1 ppb (µg/kg)

* range 0.5 - 50,000 ng

principle of operation

Differential Zeeman atomic absorption spectrometry with high frequency modulation of light polarization (ZAAS-HFM).

features and benefits
  • Direct continuous measurement; no gold traps, no compressed gases
  • Ultra-low detection limit and highest selectivity
  • Real-time operation mode for air and gases with 1 s response time
  • Attachments for direct mercury determination in liquids, solids, and hydrocarbon gases
  • Wide dynamic measuring range (six orders of magnitude)
  • Auto zero drift correction
  • Self-diagnostic with a built-in test cell
  • Controlled by a keypad or a PC via USB interface
  • Data logger for 122 hours of data acquisition, averaging, and storage
  • Rechargeable battery for up to 8 hours operation
options

Analyzer can be used in combination with attachments for analysis of solid and liquid samples:

  • PYRO-915+ attachment for liquid and solid samples analysis using thermal decomposition technique (with thermoscanning option);
  • RP-92 attachment for liquid and solid samples analysis using cold vapor technique (acid digestion and chemical reduction);
  • RP-91NG attachment for direct analysis of hydrocarbon gases of complex composition.
warranty

RA-915M analyzer and attachments are covered by a full 1-year warranty.

delivery set

RA-915M portable Zeeman mercury analyzer is supplied with the RAPID software, charger, shoulder bag, air intake hose, spare filters, interface cable, manuals. Attachments are available on request.

services

Upon request, installation and commissioning of RA-915M analyzer and attachments can be carried out at customer's site by our service engineers. Support and training of operators, meeting сustomer's specific needs, are provided by highly qualified application specialists.


Measurement principle Atomic absorption spectrometry at 254 nm with Zeeman correction of background absorption
Detection limit 0.5 ng/m3
Measurement ranges 0 – 20 000 ng/m3
0 – 2 000 000 ng/m3
Analysis time Direct real-time; 1 s response time
Data logger 122 hours data storage
Battery 8 hours
Power supply - Built-in battery (up to 8 hours of continuous operation)
- external power supply 100 – 240 VAC, 50/60 Hz
Power consumption Max. 35 W
Dimensions 470x220x110 mm
Weight 7 kg

Software

[ICO]NameLast modifiedSize
[   ]Rapid installation (ENG).pdf2023-06-01 16:19 946K
[   ]Rapid_Ver1.00.798(RA915M_RA915+).7z2024-06-06 12:49 37M
[   ]Readme(ENG).pdf2017-03-16 14:28 237K
Software for the оther RA-915 modifications

Leaflets

Parts and Consumables

Multifunctional Mercury Analyzer RA-915M

Webinar: Simple Mercury Analysis of Complex Samples