YSI 9800 Photometer Check Standards ph or 30 meter) — select

or 30 meter) — select your cable length below — plus a DO sensor

1 for 100 - 9999 μS or ppm

note YSI's own spec page lists this cup against its EC30A/ORP15A/pH10A/XLM/600XL handheld line rather than the 5200A noted on the internal price list — worth double-checking against the actual cable/probe you're pairing it with

Amplified pH/ORP combination sensor for the YSI 556 handheld

YSI 9800 Photometer Check Standards ph or 30 meter) — selectCheck standards for the YSI 9800 photometer, used to verify instrument performance between calibrations. Used with: 9800 only. For verification only not for calibration. Not included in the YPT980 kit.