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- RA-915 M
RA-915 M
RA-915 M
- Direct continuous measurement without the need for gold traps or compressed gases.
- Ultra-low detection limit with high selectivity.
- Real-time operation mode for air and gases with a 1-second response time.
- Attachments available for direct mercury determination in liquids, solids, and hydrocarbon gases.
- Wide dynamic measuring range covering six orders of magnitude.
- Auto zero drift correction and self-diagnostic with a built-in test cell.
- Controlled via keypad or PC through USB interface.
- Data logger capable of 122 hours of data acquisition, averaging, and storage.
- Rechargeable battery allows up to 8 hours of operation.
The RA-915M operates using Differential Zeeman atomic absorption spectrometry with high-frequency modulation of light polarization (ZAAS-HFM).
Applications- Background air monitoring and mercury surveys.
- Indoor and outdoor pollution detection and mapping.
- Demericurization control and occupational health and safety.
- Geochemical exploration.
- Complies with EN 15852 standard for total gaseous mercury determination in air.
The RA-915M analyzer and its attachments come with a full 1-year warranty. Installation and commissioning can be performed on-site by service engineers or certified distributors.
Delivery SetThe RA-915M is supplied with RAPID software, charger, shoulder bag, air intake hose, spare filters, interface cable, and manuals. Additional attachments are available upon request.
Application Examples| Matrix | Detection Limit | Sampling | Attachments |
|---|---|---|---|
| Ambient air | 0.5 ng/m3 | 10 L/min | Direct |
| Natural hydrocarbon gases | 0.5 ng/m3 | 2–5 L/min | RP-91NG |
| Water and solutions | 0.1 ppt (ng/L) | 0.5–20 ml | RP-92 (Cold vapor) |
| Urine | 0.1 ppb (µg/L) | 1–5 ml | RP-92 (Cold vapor) |
| Sorbent traps for stack gases* | 0.5 ng | PYRO-915+ | |
| Soils, rocks, sediments | 0.5 ppb (μg/kg) | 20–400 mg | PYRO-915+ |
| Coal | 1 ppb (μg/kg) | 20–300 mg | PYRO-915+ |
| Biological samples | 0.5 ppb (μg/kg) | 10–300 mg | PYRO-915+ |
| Crude oil, gas condensate | 1 ppb (µg/kg) | 20–150 mg | PYRO-915+ |
| Naphtha (direct) | 1 ppb (µg/kg) | 20–150 mg | PYRO-915+ |
| Naphtha (preconcentration) | 0.05 ppb (µg/kg) | 1–5 g | PYRO-915+ |
| Foodstuff, plants | 0.5 ppb (μg/kg) | 20–400 mg | PYRO-915+ |
| Dimensions (L×W×H) | Weight | Power Supply | Power Consumption | Analysis Time | |
|---|---|---|---|---|---|
| RA-915M | 470×110×220 mm | 7 kg | 100–240 VAC, 50/60 Hz, 12 VDC | 35 W | Direct on-line |
| RP-91NG attachment | 320×290×160 mm | 6.5 kg | 100–240 VAC, 50/60 Hz | 35 W | Direct on-line |
| RP-92 attachment | 360×225×125 mm | 7 kg | 100–240 VAC, 50/60 Hz | 20 W | 40–80 s |
| PYRO-915+ attachment | 430×340×135 mm (pyrolyzer), 400×280×135 mm (power supply unit) | 17.5 kg | 100–240 VAC, 50/60 Hz | 700 W | 60–180 s |
For more information, visit Lumex Instruments.
Catalog excerpts
RA-915M Multifunctional Zeeman mercury analyzer 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 a wide range of objects, such as solid and liquid samples, biological materials, and various gases. RA-915M-based sets can be used in stationary and field laboratories. Differential Zeeman atomic absorption spectrometry with high frequency modulation of light polarization (ZAAS-HFM). • 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 APPLICATIONS 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.
Open the catalog to page 1
APPLICATION EXAMPLES Matrix Detection limit Natural hydrocarbon gases Sorbent traps for stack gases* Soils, rocks, sediments Biological samples (tissues, hair, blood, etc.) Naphtha (direct) Naphtha (preconcentration) Foodstuff, plants 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. SPECIFICATIONS Dimensions (L×W×H) Power supply Power consumption Analysis time Direct on-line Direct on-line 400×280×135 mm (power supply unit) RA-915M analyzer...
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