Recertification - 666-S001 Glass Filter Set (Hellma Analytics)
Product Code: HELL666S001RE
Recertifying Glass Filter Set (F3, F4, F7) for checking wavelength and photometric accuracy.
** Hellma recommends inspection and recalibration of glass filters should be carried out every 12 months for the first 2 years of use, after that every 24 months.
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