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🌊 Dive into precision—because your aquatic life deserves the best!
The GISNPA Dissolved Oxygen Meter delivers lab-grade accuracy (±0.5mg/L) with a wide measurement range (0-40 mg/L) and smart auto temperature compensation (32-104°F). Designed for professional and hobbyist use alike, it features a large backlit LCD for easy reading and comes complete with electrode filling fluid, multiple probe covers, and anaerobic powder. Ideal for aquariums, ponds, aquaculture, and environmental testing, this compact, battery-included device ensures reliable, instant oxygen level monitoring to safeguard aquatic ecosystems.

| ASIN | B0CMXB81K4 |
| Are batteries included? | Yes |
| Best Sellers Rank | #16,010 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Dissolved Oxygen Meters & Accessories |
| Brand | GISNPA |
| Country of Origin | USA |
| Customer Reviews | 3.4 3.4 out of 5 stars (34) |
| Date First Available | 19 December 2023 |
| Included Components | 6 Probe Covers, 1 Electrode Filling Solution, 1 Anaerobic Water Powder, 1 Manual |
| Item Dimensions LxWxH | 15.7 x 3.3 x 3.3 Centimeters |
| Item Height | 1.3 Inches |
| Item Weight | 390 g |
| Item Width | 1.3 Inches |
| Item part number | DO9100-A |
| Manufacturer | GISNPA |
| Number of Memory Sticks | 1 |
| Product Dimensions | 15.75 x 3.3 x 3.3 cm; 390 g |
S**Y
Great Entry-Level Meter
J**N
Rapidez y buen producto
El producto llego un día antes de lo esperado, que fue excelente porque ya lo necesitabamos. El equipo funciona bien y es fácil de manejar.
J**Y
terrible instructions
E**E
Stopped working
M**O
GISNPA Dissolved Oxygen Meter: An Easy-to-Use Tool for Monitoring Water Health
Trustpilot
1 week ago
4 days ago