H-Series H135 Professional miniLab ISFET pH Meter with Calibration Buffer Set

Product #: H135
USD Price: $303.00

H-Series miniLab H120, H125, and H128 Pocket pH Meters

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)