Multi-Parameter RS485 Water Testing Device | pH EC TDS ORP Temp RH Meter

High Precision EC/PPM/CF/pH/ORP/Temperature/Humidity Meter for Lab, Aquarium, Industrial Use

✅ 7-in-1 functional design:

1. pH Measurement (0.01–14.00)

2. EC (Electrical Conductivity) Measurement (0.00–20.00 mS/cm)

3. TDS (Total Dissolved Solids) Measurement (0–9999 ppm)

4. CF (Conductivity Factor) Measurement (0.1–199.9 CF)

5. ORP (Oxidation Reduction Potential) Measurement (±1200 mV)

6. Temperature Measurement (0.1°C–80°C / 32°F–176°F)

6. Temperature Measurement (0.1°C–80°C / 32°F–176°F)

7. Relative Humidity Measurement (10%–99% RH)

✅ High Precision Measurement

• Measures pH (0.01–14.00), EC (0.00–20.00 mS/cm), TDS (0–9999 ppm), CF (0.1–199.9 CF), ORP (±1200mV), Temperature (0.1–80°C), and Humidity (10%–99% RH)

• ±0.05pH / ±2%FS EC/TDS Accuracy

• Stable and fast sensor response

✅Wide Measurement Range

• Designed for both micro-level lab use and large-scale industrial applications

• Suitable for freshwater, seawater, tap water, RO systems, aquaculture ponds, and more

✅ Smart & Portable Design

• RS485 Communication Module – Supports MODBUS RTU protocol, ideal for smart control systems

• Triple LCD Screen with green backlight for easy visibility

• Easy mode switch between EC/PPM/CF and pH/ORP

✅ Upgraded Glass Electrode

• High-quality replaceable glass electrode provides longer lifespan and more accurate readings

• Resistant to corrosion and ideal for long-term monitoring

✅ Convenient Battery Powered

• Built-in 3x 1.5V Ni-MH rechargeable battery with USB charging

• Full charge in just 5 hours, supports long continuous use

✅ Ergonomic & Industrial-Grade Design

• IP65 waterproof rating ensures safe use in humid environments

• Lightweight, compact, and easy to install or carry

• Supports calibration with standard buffer solutions (1413µS/cm, pH 4.00 / 6.86 / 9.18, 256mV)

✅ Applications

• Laboratory & Research

• Aquariums & Fish Tanks

• Hydroponics & Agriculture

• Swimming Pools & Spas

• Drinking Water Systems

• Industrial Water Treatment

• Mariculture & Aquaculture

✅ Notes & Maintenance

• Calibrate regularly for best results

• Clean electrode with distilled water after each use

• Store with cap on, in cool dry environment

• If dried out, soak electrode in 3.3 mol KCL for a few hours

✅Why Choose This Product?

All-in-One: 7 water quality parameters in a single unit
RS485 MODBUS: Ideal for integration into smart systems
Portable & Rechargeable: Great for field work or fixed installations
Replaceable Electrode: Cost-effective and eco-friendly
Trusted Performance: Used in labs, aquafarms, and factories worldwide

♠♠♠♠♠Customer Reviews

Emma L. – Lab Technician | ♥♥♥♥♥♥

“This device has become a must-have in our lab. The calibration process is easy, and readings are accurate. Love that it combines everything in one compact unit.”

Carlos R. – Pool Maintenance Pro | ♥♥♥♥♥♥

“We use this daily to monitor multiple pools. The RS485 output is perfect for integrating with our central control system. Definitely a solid investment!”

Linda Z. – Aquaculture Manager | ♥♥♥♥♥♥

“This monitor keeps our water parameters in check. It’s portable, rechargeable, and very accurate. Highly recommend for fish farms and hatcheries!”