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Nutrients Analyzer

SMR21 series

Nitrate Analyzer

Description

Nitrate Analyzer is connected directly via RS485 communication interface, providing simple, reliable, cost-saving process data with remote monitoring, calibration, configuration and diagnostics capabilities. Nitrate Meter housing in a robust IP68 proof enclosure, 1500 N tensile strength Kevlar reinforced cable, up to 1.2 km digital data transmission, the NO3-N analyzer and NO3-N Meter is ideally used in water/wastewater industry.

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Features

All-in-One Compact Housing, Built-in Transmitter and Sensors
Robust IP68 Water Submersible Protection
Plug & Play, On- line Realtime Measurement
Ultra Low Power Consumption, Ideal for Outdoor Applications
1500 N Tensile Strength Kevlar Reinforced Cable
Surge Protection for Power and RS485 Communication
RS485 Digital Communication, Minimize Cabling and Engineering Cost
Standard Modbus RTU Protocol, Direct Connected with PLC, HMI
Software Tool for Data Monitoring, Calibration , Configuration and Diagnosis
Sapphire Glass Windows to Prevent Scratch
Innovative Nano Coating to Remain Window Clean
Auto Cleaning Wiper, Less Maintenance
Suspended Solids Compensation
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

Applications

Drinking water, water treatment, wastewater, fishery

Specifications

General

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 V DC
Power:12 V DC, 500 mA
Protection: polarity, overload, short circuit
Safety: CE, FCC

Measurement Method
The Xenon flash lamp emits UV-Vis light passing through the sample to be analysed. The spectrometer resolve the wavelength into high resolution spectrum with advanced algorithms to provide the concentration and eliminates mutual interferences such as chemicals, turbidity and color.

SMR21 Optical Nitrate Analyzer

Type	Optical
Measurement range	SMR21-4: 0~5 mg/L (20 mm)(suspended solids< 200 mg/L) SMR21-5: 0~20 mg/L (5 mm)(suspended solids< 1,000 mg/L) SMR21-6: 0~100 mg/L (1 mm)(suspended solids< 5,000 mg/L)
Accuracy	±5% in standard solution
Resolution	0.01 mg/L
Repeatability	±3% in standard solution
Light Source	Xenon flash lamp
Beam Angle	180 °
Light Path Length	1, 5, 20 mm
Process Flow Rate	Max. 3 m/s
Operating pressure	Max. 10 Kgf/cm2
Operating Temperature	0 ~ 50 °C
Response time	10 secs
Protection	IP68
Connection	5-pin M12 plug
Housing	SS316L
Dimension	Φ 75 x 416 mm
Weight	analyzer: approx. 5 Kg cable: 80 g/m