Ph-260bd Multi-parameter Meter - 3 Large Screens, 95x61x20 Mm | Displays Ph, Temperature, Ec, Tds, Easy Mounting, Bnc Electrode, Power Adapter Included

Ph-221 Digital pH and Temperature Controller - Measuring Range: pH 0.00-14.00, Temp 0-50°C | 4-Digit LCD Display, Dual Monitoring, Auto Calibration

Portable Pen-Type pH Meter - 155×31×16mm, 60g Weight, 0-50°C Temperature Range | Easy to Read Display, Lightweight, Pocket-Sized Design

KL-RO22 Digital Dual TDS Meter - Plastic, 60mm x 55mm x 23mm, Grey & Black | Measuring Range: 0-1999mg/L (ppm), Accuracy: ±2% Full Scale, Auto Temp Comp.

KL 169 C ORP Redox Tester - Measuring Range: 0~±1999mV, Accuracy: ±5mV, Resolution: 1mV | Compact Size: 170x36x23mm, Digital Display, Red Color

Kl 500 Digital Thermostat For Industrial Use - Plastic, 150x90x37mm, Black | Accuracy: ±1°C, Control Range: 0-40°C, Max Power: 3000W

KL-018 Industrial On-Line pH Controller - 1/4 DIN Panel Mount, 96mm x 96mm x 160mm | Dual SPDT Relays, 4-Digit LED Display, Isolated 4-20 mA Output

KL-016 Bench pH/mV Temperature Meter - 240x185x100mm, 0.00~14.00pH, 0~1999mV, 0~100°C | Backlit Display, High Input Impedance, Automatic Temperature Compensation, 660g

Waterproof Mini PH Tester - 160×22×20mm, 55g | Economical, Smooth Functioning, Test Range 0.00-14.00pH, 0℃-50℃ Temperature

KL-98305 Handheld Digital TDS Tester - 175mm x 51mm x 25mm, White | 0~1999mg/L Range, 2% Accuracy, Automatic Temperature Compensation

PH-025A Digital pH and Temperature Monitor with Backlit Display - Measuring Range: 0.00 ~ 14.00 pH , Dual Monitoring for Precise Calibration