H-Series H135 Professional miniLab ISFET pH Meter with Calibration Buffer Set
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Hach H135 miniLab Professional, featuring a pocket-size, waterproof, rugged pH meter. Allows for up to a three-point calibration. 15-mL dropper bottle of pH 4, 7, and 10 calibration buffers included. Durable non-glass solid-state (ISFET) pH sensor. Replaceable reference electrode. Minimum one-drop sample or calibration buffer volume.
- Silicon chip non-glass pH sensor
- Stores dry with minimal maintenance
- 1-Point calibration on Model H130 (suggested range: 5.0 to 9.0 pH)
- 1, 2, or 3-point cal on Models H135 and H138
- Automatic temperature compensation (ATC)