Specifications
Brand Name :
yieryi
Model Number :
RS485-3178-EU
Place of Origin :
china
MOQ :
1
Price :
138.75
Payment Terms :
L/C,D/A,D/P,T/T,Western Union
Supply Ability :
10000
Delivery Time :
5-8 working days
Packaging Details :
packing
Product Name :
7-in-1 RS485 Water Quality Monitor
Color :
Black with LCD backlight
Power Supply :
Rechargeable Ni-MH battery
Dimensions :
153×85×27mm
Communication :
RS485 (MODBUS RTU)
Measurements :
EC, PPM, CF, pH, ORP, Temp, Humidity
Accuracy :
±0.05pH, ±2%FS EC/TDS, ±0.5°C
Resolution :
pH (0.01), ORP (1mV), EC (0.01mS/cm
Description

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!”

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Professional Water Quality Monitoring System – 7-in-1 RS485 Sensor with LCD

Ask Latest Price
Brand Name :
yieryi
Model Number :
RS485-3178-EU
Place of Origin :
china
MOQ :
1
Price :
138.75
Payment Terms :
L/C,D/A,D/P,T/T,Western Union
Contact Supplier
Professional Water Quality Monitoring System – 7-in-1 RS485 Sensor with LCD
Professional Water Quality Monitoring System – 7-in-1 RS485 Sensor with LCD

SHEN ZHEN YIERYI Technology Co., Ltd

Verified Supplier
8 Years
Since 2012
Business Type :
Manufacturer, Exporter
Total Annual :
1 Million-2.5Million
Certification Level :
Verified Supplier
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