Kl-099 Waterproof Ph Orp Temperature Meter - 170 X 40 X 23 Mm, Blue | Automatic Temperature Compensation, Replaceable Ph Electrode, Floats

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

High Accuracy Pen Type pH Meter - 170×36×23 mm, Weight: 85 g | Humidity: ≤95℅, Test Range: 0.0~14.0 pH, Portable & Reliable for Field Measuring

KL-03 II Waterproof Pen-type pH Meter - 165x26x26 mm, 63 g | Automatic Temperature Compensation, Easy One-Button Operation, Replaceable Probe

KL-009(II) Digital Pen Type pH Meter - Measuring Range: 0.00~14.00pH, 320×36×23 mm Blue Design | Automatic Temperature Compensation, Easy to Operate

KL 2012 Digital pH-ORP Controller - 150×85×40mm, LED Display, High Input Impedance, Built-in Slope & CAL Adjustment, Accuracy ±0.1%+0.02pH

KL 019 Industrial On-line ORP Controller - 1/4 DIN, 96x96x160 mm, Black | Dual SPDT Relays, 4-20 mA Output, 0~1999 mV Range, 0.1% Accuracy

KL-169-B ORP Redox Tester - Measuring Range 0 to 1999mV, Accuracy ±5mV, Color White, Compact Size 157x27x20mm, Digital LCD Display

Pen Type pH Meter With Backlit Display - 150×30×20 mm, 60 g | Simple One Point Calibration, Tested Quality Performance, Easy to Use

KL 98306 Conductivity Tester - Plastic, 51x175x25 mm, White | Digital Display, 0~1999 μs/cm Range, ±2% Accuracy, Automatic Temp Compensation

KL-025M Online PH Monitor With Digital Display