Ph981033 - Plastic - 50mm × 205mm × 22mm - White | Ph Range 0.00~14.00, Temp Range 0.0~50.0â°c, 2-point Calibration, Auto Temp Comp.

KL-009 III pH and Temperature Water Meter - 170x36x23 mm, Red | Dual-Level LCD, Automatic Temperature Compensation, High Sensitivity Probe, Lightweight 91g

Kl-Phs25c Bench pH/mV and Temperature Meters - Plastic, 210x204x64mm, White | pH: 0.00-14.00, mV: -1999mV-1999mV, Temp: 0-100°C, Accurate to 0.01 pH & 0.5°C

PH-097 Waterproof Handheld pH Meter - 180x45x30mm, Dual-Level LCD Display | Automatic Temperature Compensation, Digital Calibration, Battery Saver Feature

Tds Meter With Digital Display Accuracy: A 2A Fa.S

Kl 097 Waterproof Ph Temperature Meter Dimension(L*W*H): 180A 45A 30 Millimeter (Mm)

Black Portable Sa 367 Waterproof Mini Salinity Meter

KL 16911 ORP Redox Tester - 150x30x20 mm, 4-Digital LCD Display | New Condition, Portable Design for Industrial Use, Accurate Measurement Range -1999 to 1999 mV

KL-019 Industrial Online ORP Controller - 96x96x160mm Black and Green, Accuracy ±(0.1%+2 Digits), 4-Digit LED Display, Dual SPDT Relays

SA-367 Waterproof Mini Salinity Meter - Plastic and MS, 160mm × 22mm × 20mm, White | Digital Display, 0-100 Range, 2% Accuracy

PH-221 Portable Handheld Digital pH and Temperature Controller