:: Product Information

NH4-OnlineAnalyser automatic analysis of amonia in water


Ammonium measurement with very low detection limit.

Features & Informations


Automatic analysis

Automatic cleaning, cycle time freely set

Auto calibrate and remote calibration

Very low detection limit

Very high precision peristaltic pump to transport fluid, assure very high measurement reproducibility

Modular design

Easy maintenance

Range adjustable

Quality control sample verification

Remote monitoring of working state and Data reliability diagnostic function

Touch screen operation and display, Menu operation interface

Fault alarm, Error alarm、Call self-starting function.

4-20mA, RS232/485 and Modbus/TCP


Surface Water Analysis

Tab Water Monitoring

Municipal Sewage Checks

Accessment of Industrial Water Monitoring


The database software is used to record and analyse the data. The most important features are...

saving of data and parameters at any time

graphic display of all measurement values

online display in LAN

calibration of the instrument

parameterisation of the measurement

data export to EXCEL and to text files

Measurement principleKolorimeter
Range0 - 0.5/2/4/20/100mg/L, more range chooseable
Repeatability< 1%
Detection limit0.003mg/L (Minimum range)
Cycle time15 minutes
Zero drift< 1% FS/24h
Range drift< 1% FS/24h
Resolution0.0001mg/L (Minimum range)
Signal output4-20mA RS232/485 MODBUS/TCP
Working environmentTemperature: 0~45°C; Humidity: 10~95%
Power Supply220±10%V 50±2%HZ
Weight and sizeWeight: ~45Kg; Size HxLxW: 110x60x31cm
Protection levelIP54; IP65
Sample conditionNo oil, no supended solid, temperature: 2~40°C, Pressure: 0~0.1Bar, Flow: 1.5~3L/min

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Inquiry online

Dianjiang Group Limited
Add: Room 1510,15/F,New Commerce Centre, No.19 On Sum Street, Shatin, N.T., Hong Kong.
Tel: (852) 3690 1588   Fax: (852) 3690 1586
Email: Dianjiang_HK@yahoo.com.hk   Hongkong@Dianjiangtech.com
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