| Photometer | Part Number | Description | Notes |
| YSI9800 | YPT980 | YSI9800 photometer | |
| Instrument Accessories | |||
| Photomertry Accessories | |||
| YPT370 | 20 ml Syringe Luer, 1 ea. | ||
| YPT500 | DE-ION Pack, up to 5 liters, 1 ea. | ||
| YPT512 | Dilution Tube, 1 ea. | ||
| YPT600 | Filtration Set Luer/GFB, 1 ea. | ||
| YPT603 | GFB filters, 50 ea. | ||
| YPT526 | Nitrate Tube, 1 ea. | New item. Replaces YPT508. | |
| YPT595 | Round Test Tube with Cap, 5 ea. | ||
|
Photometry Reagent Starter Kits (Includes reagents, instructions and accessories for 50 tests)
|
|||
| YPM152 | Ammonia | ||
| YAT1707 | Ammonia Conditioning Reagent, 50 tests | ||
| YPM252 | Calcium Hardness | ||
| YPM031 | Chlorine DPD-Free, Combined and Total | Includes DPD 1 and DPD 3 | |
| YPM186 | Copper | ||
| YPM254 | Hardness | ||
| YPM155 | Iron LR | ||
| YPM193 | Magnesium | ||
| YPM173 | Manganese | ||
| YPM163 | Nitrate | Nitratest | |
| YPM109 | Nitrite-N | Nitracol | |
| YPM260 | Nitrite-NaNO2 | Nitraphot | |
| YPM130 | pH (Phenol Red) | ||
| YPM177 | Phosphate LR | ||
| YPM189 | Potassium | ||
| YPM154 | Sulfate | ||
| YPM269 | Turbidity (Includes Color) |