Oakton Standard pH 4.01 Buffer Solution, 500 ml Water Samplers accurate gearless diaphragm style vacuum

accurate gearless diaphragm style vacuum gauge with pinned connection

Battery Error Prevention System (BEPS) prevents inaccurate readings caused by low battery voltage

• Adjustable H-back suspenders with quick-release locking buckles

low-pressure rubber/polyethylene diffuser hose is made for aquaculture

Oakton Standard pH 4.01 Buffer Solution, 500 ml Water Samplers accurate gearless diaphragm style vacuumProduct Code: C10701 MPN: WD 00654 00 Oakton buffers for meters with 0. 01 resolution are standardized against NIST traceable pH references within 0. 01 pH at 77F (25C). Store buffers away from direct sunlight. Sold in individual bottles; 500 mL bottles. pH 4. 01, Pink