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Fisherbrand™ pH Pen

pH measurement is easier than ever with the Fisherbrand™ pH Pen™ – an economical range pocket-size tester designed for on-the-go pH measurements.

Manufacturer:  Fisherbrand™ S35927

Catalog No. S35927



 Accurate and easy to use, these testers are ideal for quick pH measurements in hydroponic gardening, aquaculture, agriculture, pools, simple lab work and other water/wastewater applications.
  • ±0.1% accuracy across full pH range
  • Auto-buffer recognition and auto-calibration functions – quick, easy calibrations at the press of a button
  • Long-lasting sensor – large volume of polymer gel reference gives longer sensor lifespan, while single Kynar™ reference junction prevents clogging
  • Automatic temperature compensation and up to three calibration points for broadened accuracy throughout the pH range


±0.1 pH
3½ Digit LCD Display with Annunciator
16.3 x 4.5 x 3 cm
0.0 to 14.0
0.1 pH
0.0 to 14.0
90 g
3-point ; automatic
4 x 1.5 V 'A76' micro alkaline batteries
IP-67 waterproof
0.1,0.1 pH
Automatic Temperature Compensation (ATC)
Product Certifications