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 |
Brand Name | yieryi |
Model Number | RS485-3178-EU |
Place of Origin | china |
View Detail Information
Explore similar products
Handheld TDS Water Testing Meter , Electronic Ph Meter With 1 Point Calibration
High Accuracy Pen Type Water Quality Meter With 4 Digits LCD Display
3 In 1 Plastic Water Quality Meter Measurement Tool With 0—5000ppm Conductivity
Household Digital Water Quality Meter 3 In 1 Temp TDS EC Meter
Product Specification
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 |
Brand Name | yieryi | Model Number | RS485-3178-EU |
Place of Origin | china |
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
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
High-quality replaceable glass electrode provides longer lifespan and more accurate readings
Resistant to corrosion and ideal for long-term monitoring
Built-in 3x 1.5V Ni-MH rechargeable battery with USB charging
Full charge in just 5 hours, supports long continuous use
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)
Laboratory & Research
Aquariums & Fish Tanks
Hydroponics & Agriculture
Swimming Pools & Spas
Drinking Water Systems
Industrial Water Treatment
Mariculture & Aquaculture
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
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
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!”
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2012
Total Annual:
1 Million-2.5Million
Ecer Certification:
Verified Supplier
Shenzhen Yieryi Technology Co., Ltd Company Profile Company Overview Shenzhen Yieryi Technology Co., Ltd was established in 2012 and is located in the Economic Development Zone of Shenzhen City, Guangdong Province. Leveraging our superior geographic location, convenient transportation facilities, ou... Shenzhen Yieryi Technology Co., Ltd Company Profile Company Overview Shenzhen Yieryi Technology Co., Ltd was established in 2012 and is located in the Economic Development Zone of Shenzhen City, Guangdong Province. Leveraging our superior geographic location, convenient transportation facilities, ou...
Get in touch with us
Leave a Message, we will call you back quickly!