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Nutrients Analyzer

SMR23 Series

Ammonium Analyzer

Description

Ammonium Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost- saving process data with remote monitoring, calibration, configuration and diagnostics capabilities. The Ammonium Meter housing in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the NH4-N Analyzer is ideally used in water/wastewater industry.

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DM (6.8 MB)

Features

All-in-One Compact Housing, Built-in Transmitter and Sensors
Robust IP68 Water Submersible Protection, Directly Installed in the Field, No Cabinet Required
Plug & Play, On- line Realtime Measurement
Ultra Low Power Consumption, Ideal for Outdoor Applications
1500 N Tensible Strength Kevlar Reinforced Cable
Temperature and Chloride Compensation
Surge Protection for Power and RS485 Communication
RS485 Digital Communication, Minimize Cabling and Engineering Cost
Software Configuration, Calibration and Data Monitoring
Standard Modbus RTU Protocol, Direct Connected with PLC, HMI
Very Stable Electrodes, without the Need of Frequent Calibration
Metal Membrane of Electrode to Prevent Scratch
Electrode is over 12 Months Long Period of Life
Auto Cleaning wiper, Less Maintenance
Onboard Memory Allowing Users Easily Calibrate and Configure Sensor at Lab and Distribute to Various Fields Sites
AQCFG Software Tool for Data Monitoring, Calibration , Configuration and Diagnosis
IECEx/ATEX Ex ia IIB T5 Ga Explosive Proof Certification

Applications

Drinking water, water treatment, wastewater, fishery

Specifications

Measurement Method
The ion selective electrode continuous measurement of nitrate is carried out with specific membrane that is selective of ammoniumion. That membrane creates charge seperation between the water surrounded electrode and internal filling solution. The charge is measured as a voltage that changes the concentration in the water adjacent the membrane. Compared with the traditional colorimetric method, there are many advantages such as fast response time, more accurate, easier and no reagents used.

Installation
Submersible, flow through, pipe insertion

SMR23 Ammonium (NH4-N ) Analyzer

General
Output Signal	Output Signal: RS485 (Modbus RTU protocol), 19,200 bps, 8 data bits, no parity, 1 stop bit; 4~20 mA
Data Resolution	16 bits (0.001% FS)
Surge Protection	4000 VDC
Power	5~12 V DC, 20 mA (SMR23-1); 300 mA (SMR23-2)
Protection	Polarity, Overload, Short circuit
Safety	CE, FCC
Turbidity
Type	Ion selective electrode
Measurement range	0.1~100/1,000 mg/L, auto range
Accuracy	±5% measured value ±0.5 mg/L
Resolution	0.01 mg/L
Repeatability	±3% measured value ±0.5 mg/L
Operation pH	pH 4~8.
Operating pressure	Max. 0.2 Kgf/cm²
Operating Temperature	0 ~ 40 °C
Process Flow Rate	0.1~4 m/s
Response time	2 min (90%)
Protection	IP68
Connection	1”-11 PT, 5-pin M16 plug
Housing	POM
Dimension	Φ 47 x 279 mm
Weight	Nitrate analyzer: approx. 1.5 Kg ; cable: 80 g/m
Potassium
Measurement range	0.1~1,000 mg/L
Accuracy	±5% measured valie ±0.5 mg/L
Resolution	0.01 mg/L
Repeatability	±3% measured valie ±0.5 mg/L
Temperature
Sensor	Pt1000
Measurement range	0~40 °C
Accuracy	±0.1 °C
Resolution	0.01 °C
Repeatability	0.1 °C