TDS Meter Digital Water Tester - Hofun TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Accurate, PPM Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO/DI System, Hydroponics sold2025 SOUND & LIGHT ALARM -

SOUND & LIGHT ALARM - when the test result exceeds the safe value (> 4

nylon lock nuts

Made under ISO 9001 Quality Systems

material: silicone

Weather-Resistant: Our waterproof reflective safety sticker Resists Dirt

TDS Meter Digital Water Tester - Hofun TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Accurate, PPM Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO/DI System, Hydroponics sold2025 SOUND & LIGHT ALARM -TDS Meter Digital Water Tester Hofun TDS, EC & Temperature Meter 3 in 1, 0 9999 ppm Accurate, PPM Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO DI System, Hydroponics Hofun TDS Water Quality Tester CONCERNED ABOUT YOUR WATER QUALITY? Hofun TDS Water Tester works like a guard who helps monitor water quality to tell you whether the water meets standards of drinking, aquarium, RO OI system, etc, so that you have a clear mind of water