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OHAA-810 Atomic Absorption Spectrophotometer
For laboratories needing reliable trace metal analysis without the cost of multi-mode instruments, the OHAA-810 delivers focused performance in a single-flame configuration.
The OHAA-810 is a single-flame atomic absorption spectrophotometer built for high-precision elemental analysis. It is designed specifically for laboratories that process routine metal detection workloads—environmental testing, food safety, and industrial quality control.
Its core optical system uses a Czerny-Turner monochromator with an 1800 lines/mm grating and a photomultiplier tube detector. The wavelength range of 190–900nm covers most common metals, and background correction via a deuterium lamp reduces interference from complex sample matrices.
Key performance indicators include a copper detection limit of 0.003 µg/mL and repeatability under 0.6% RSD. The instrument operates on air-acetylene flame only, with a 10cm all-titanium burner and automatic ignition. Safety monitoring covers gas pressure, flame status, water seal, and waste liquid levels.
Notably, the OHAA-810 omits graphite furnace capability entirely. This is a deliberate design choice—it reduces cost and complexity for laboratories that do not require ultra-trace analysis. Optional hydride generation and automatic sampling are available for expanded workflow needs.
The software automates standard curve plotting, sample concentration calculation, and report generation. For procurement managers equipping mid-volume labs, this instrument represents a focused investment in flame AAS without paying for unused graphite furnace functionality.
China’s analytical instrument sector increasingly produces specialized tools like the OHAA-810 that compete on value rather than maximal features. This product reflects a mature understanding of tiered laboratory budgets and the operational distinction between routine and research-grade analysis.
For a lab processing hundreds of copper, lead, or cadmium samples per week, the OHAA-810 removes the friction of configuring unnecessary options. It does one thing—flame AAS—and does it reliably.
Why it matters:
Single-mode AAS instruments offer lower capital expenditure and simpler operator training compared to multi-mode systems. This machine is suited for labs where graphite furnace capability would represent idle capacity and maintenance overhead.
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