top of page
Potable Water Quality Monitoring
Environmental Water Quality Monitoring
Pressure & Transient Pressure Monitoring
Underground Sewer & Trade Waste Management
Wireless Flow Meters
Solar Powered Flow Meters
TracWater Pump & Motor Management System

TracWater TW-4774A NH4-N Ammonium Sensor
What's In The Box
-
TW-4774A Ammonium Sensor
-
10m Cable (default), Customisable
-
User Manual
-
Delivery Inspection Report
Applications
Water Quality Analysis:
Quantitative determination of ammonium ion content in various water bodies, including surface water, groundwater, and wastewater.
Industrial Production:
Continuous monitoring of ammonium ion concentrations during industrial processes to maintain product quality and environmental compliance.
CATEGORIES
Nutrients
.png)
TracWater TW-4774A NH4-N Ammonium Sensor
Model number: TW-4774A
Power: 0.25W (non-wiping), 1W (wiping)
Dimension: Φ64mm*271mm(with protective cover)
Customise: OEM, ODM
Product description:
TracWater TW-4774A NH4 Ammonium Sensor quantifies ammonium ion concentration without the need for chemical reagents. It offers a rapid, straightforward, and cost-effective solution for measuring ammonium concentration in various water bodies.
Overview
TracWater TW-4774A ammonium sensor is an eco-friendly and pollution-free device that doesn't require reagents. It features standard ammonium ion, pH, and reference electrodes, with an optional potassium ion electrode. The sensor provides automatic pH and temperature compensation during ammonia nitrogen measurement in water, ensuring more accurate results. Additionally, its self-cleaning brush prevents microbial buildup, leading to longer maintenance intervals and exceptional reliability.
Features
-
Digital sensor with RS485 output and MODBUS protocol support.
-
Requires no reagents, ensuring pollution-free operation and offering a more economical and environmentally friendly solution.
-
Automatically compensates for pH and temperature variations in water samples.
-
Features an automatic cleaning brush to prevent biological attachment, significantly extending the maintenance cycle.
-
Includes built-in calibration parameters, accurately calibrated prior to delivery for direct installation and use.
Specifications
Name
Ammonium Sensor (with brush)
Model
TW-4774A
Measuring principle
Ion selective electrode
Ammonium range
0-100mg/L or 0-1000mg/L
Ammonium accuracy
±10% or ±0.5mg/L (take the bigger one)
Resolution
0.01mg/L
pH range
4-10 pH
Temperature range
0-50℃
IP range
IP68
Interface
RS-485,MODBUS protocol
Power supply
0.25W(non-wiping) 1W(wiping); DC 9-24V,≥1A
Size
Φ64mm * 271mm (with protective cover)
Cable length
10m (default), customisable
Calibration
1-point or 2-point calibration
Sensor housing material
POM
bottom of page

