Empowering Scientific Discovery

Dah Chong Hong Scientific Instruments Co., Ltd.

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BrandSherwood
OriginUnited Kingdom
ModelM410
Element DetectionNa, K, Li, Ca, Ba
Output Unitsppm, mg/L
ComplianceISO 7635, ASTM D2189, USP <731>
Software InterfaceRS-232 serial output for data logging
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BrandSerstech
OriginSweden
ModelArx+
Instrument TypeHandheld Raman Spectrometer
Spectral Range400–2300 cm⁻¹
Spectral Resolution8–10 cm⁻¹
Minimum Wavenumber400 cm⁻¹
Spectral Repeatability<1 cm⁻¹
Laser Excitation Wavelength785 nm
Display3.5-inch color TFT with LED backlight
Onboard Storage16 GB (up to 100,000 spectra)
Operating Temperature−20 to +50 °C
Storage Temperature−30 to +50 °C
Battery LifeUp to 8 hours continuous operation
Weight590 g
IP RatingIP67
Focus MechanismAutomatic focus
Detection Time0.01–60 s (manual or auto-triggered)
Sample CompatibilitySolids, liquids, powders, tablets
Regulatory ComplianceFully compliant with FDA 21 CFR Part 11, supports IQ/OQ/PQ documentation
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BrandSerstech
OriginSweden
ModelSerstech 100 Indicator
Instrument TypeHandheld Raman Spectrometer
Spectral Range400–2300 cm⁻¹
Spectral Resolution8–10 cm⁻¹
Spatial Resolution<1 nm
Minimum Wavenumber400 cm⁻¹
Spectral Reproducibility<1 cm⁻¹
Laser Excitation Wavelength785 nm
Laser Power ClassClass 3B (max. 300 mW)
DetectorLinear CCD Array
Onboard Memory16 GB (up to 100,000 spectra)
Data FormatsText, .txt, .csv, .jcamp
InterfaceUSB 2.0
Battery Life>8 hours continuous operation
Weight650 g
Dimensions15.8 × 10.1 × 2.9 cm
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