LSB is a high-tech platform company that specializes in high-end analytical instrument technologies. We provide our customers with advanced, professional, and reliable analysis systems and services.

Our business spans across various sectors, including smart industry and smart environment. We offer innovative products and service combinations such as project consulting, analytical instruments, information software, and localized operation and maintenance services to clients in industries such as oil and gas, thermal power, iron and steel, chemicals, cement, geology and mining, food and pharmaceuticals, scientific research, environmental protection, water resources and management.
Waste quality and waste water mornitoring

Wall-mounted online multi-parameter water quality transmitter, optional water quality routine detection parameter sensor, including COD, TSS, Ammonium, DO, Turbidity, pH, temp,..., achieve simultaneous monitoring function.
Display
Color LCD touch screen 7.0 inch
Power supply
220V AC , 50-60 Hz
Output
4-20mA analog output; and 1-channel RS485 digital output, MODBUS protocol
Protection level
IP65
Application waste water, secondary water supply, aquaculture, river water quality monitoring, and environmental water discharge monitoring.
✦ With functions of power-off protection and power automatic recovery, set parameters is not lost when the power is cut off.
✦ No need to add reagent, no reagent consumption.

This Viomax 254H sensor is based on the principle of ultraviolet absorption method, combined with rich application experience, has made a number of upgrades and improvements based on the previous generation, not only more compact, but also integrated with the original detachable wiper, making installation and operation more convenient, and has higher reliability. The sensor can measure COD, TSS indicators integratedly, without using reagents or generating secondary pollutants, automatically compensating for the interference of the turbidity of the water to be measured.
Measuring principle
UV 254 nm absorption
Range
0 – 500/1500 mg/L
Accuracy
Resolution
Response Time
± 5% of the reading
0,01 mg/L
COD: 5s
TSS: 5s
Communication
RS485 Modbus
Material
Stainless steel 316L
Protection level
IP68
✦ Flexible installation for different applications, wall mounting and rack mounting.
✦ So that it is more convenient to install and operate, and has higher reliability.
✦ Automatically compensates for turbidity disturbances for excellent test performance.
✦ With self-cleaning wiper to prevent biofouling and longer maintenance intervals or compressed air.

pHM is a general purpose digital pH sensor, which uses a rugged glass electrode and a built-in temperature sensor for automatic temperature compensation, and supports RS485 Modbus digital output. It is ideal for long-term online monitoring. The sensor is designed with a compact and lightweight structure, making it convenient for installation, maintenance, and replacement; pHM is designed for online measuring pH of surface water, (such as lakes, streams, rivers), municipal sewage and wastewater treatment plant sludge, as well as fishponds.
Measuring principle
Glass electrode method
Range
pH: 0 – 14
Temp: 0 – 50 oC
Accuracy
- pH: ± 0.1 pH;
- Temp: ± 1℃
Resolution
0,01 pH
0,1℃
Communication
RS485, Modbus protocol
Protection level
IP68
pHM is designed for online measuring pH of surface water, (such as lakes, streams, rivers), municipal sewage and wastewater treatment plant sludge, as well as fishponds.
✦ The sensor body is made of titanium, corrosion resistant, suitable for working in wastewater environment.

Ammonium sensor does not require reagents, is pollution-free, and can monitor online in real time.
✦ Integrate ammonium ion, potassium ion (optional), pH and reference electrode, and automatically compensate potassium ion (optional), pH and temperature in the water body.
✦ It can be directly immersed in installation, which is more economical, environmentally friendly, convenient and quicker than traditional ammonia nitrogen analyzers.
Measuring principle
Glass electrode method
Range
pH: 0 – 14
Temp: 0 – 50 oC
Accuracy
- pH: ± 0.1 pH;
- Temp: ± 1℃
Resolution
0,01 pH
0,1℃
Communication
RS485, Modbus protocol
Protection level
IP68
For online measuring ammonium concentration of surface water, (such as lakes, streams, rivers), municipal sewage and wastewater treatment plant sludge, as well as fishponds.
✦ Please note due to the sensitive membrane of the electrodes, the electrode lifetime may be affected due to the unknown composition.

Viomax Col is a smart chroma sensorthat adopts RS485 communication interface and standard Modbus protocol, and comes with a cleaning brush. Simultaneously measure the absorbance of water at470 nm and 546 nm, which can be converted into chromaticity values to quickly reflect changes in water.
Measuring principle
Optical absorption method
Range
0-500 Hazen
Accuracy Response Time
± 2% F.S
≤ 5 minute
Resolution
0.1 Hazen
Communication
RS485, standard Modbus protocol
Protection level
IP68
✦ Coherent detection technology, goodaccuracy and stability. No chemical reagents, no secondarypollution, fast measurement.
✦ With self-cleaning function, remove attachments in water samples, maintenance-free.With turbidity compensation function, reduce the influence of turbidity in the water sample on the measurement.
✦ With turbidity compensationfunction, reduce the influence of turbidity in the water sample on themeasurement.
✦ Widely used in online monitoring of surface water, groundwater, secondary water supply, pipe network water, industrial sewage, …

OxyFT fluorescence dissolved oxygen sensor, using our self-developed fluorescent materials. Built-in temperature sensor, automatic temperature compensation. RS485 output, can be networked without a controller.
✦ No oxygen consumption, no flow ratelimitation, no electrolyte required, no maintenance and calibration, stronganti-interference ability, excellent stability.
✦ Lean and wastewater treatment systems.
✦ Industrial water quality monitoring; Manufacturing processes in food, chemical, and pharmaceutical industries.
Measuring principle
Fluorescence method
Range
0 – 20 mg/L
Accuracy Response Time
± 3%
40 seconds
Resolution
0.1
Communication
ModbusRS485
Protection level
IP68
✦ Clean and wastewater treatment systems; Industrial water quality monitoring; Manufacturing processes in food, chemical, and pharmaceutical industries.
✦ No membrane, no electrolyte, no interference, no frequent calibration.
✦ No oxygen consumption, no flow restriction.
✦ Specially tailored for aquaculture market, with super high cost performance.

Nitrateion selective electrode is an effective method to measure the content of nitrate ion in the sample.
✦ Nitrate ion selective electrodes are also often used in online instruments, such as the monitoring of industrial online nitrate ion content.
✦ Nitrate ion selective electrode has the advantages of simple measurement, fast and accurate response, and can be used with pH meter, ion meter and online nitrate ion analyzer.
Measuring principle
ISE electrode
Range
0– 10/100 mg/L
Accuracy Response Time
± 5%
40 seconds
Resolution
0.01 mg/L
Communication
Modbus RS485
Protection level
IP68
Determinationof nitrate ion in coal and ore; solidwaste leachate; in soil;inrainfall and surface water; vegetables, pickled products and otheragricultural products.

The TDS (Total Dissolved Solids) sensor is a device used to measure the total amount of dissolved solids in a solution, typically in water. The TDS value reflects the purity level of the water and is commonly used in monitoring the quality of drinking water, wastewater, industrial water, and water treatment systems.
High stability and long service life, ideal for continuous industrial operation.
Measuring principle
Industrial electrodes
Range
EC: 1μS/cm – 2000 μS/cm
TDS: 0 – 100.000 mg/L
Accuracy Response Time
± 1% F.S
10 seconds
Resolution
0.1 μS/cm or 0.1 mg/L
Communication
Modbus RS485
Protection level
IP68
✦ Clean and wastewater treatment systems.
✦ Industrial water quality monitoring.
✦ Manufacturing processes in food, chemical, and pharmaceutical industries.
Continuous Emisson Mornitoring

DM-100Dust Monitor is a self-developed dust analysis product based on Laser BackScattering Principle; continuous monitoring of particulate matterconcentration, realizing continuous dust detection for single point or multiplepoints. Eliminate interference of stray light in the background.
Measuring principle
LaserBack Scattering (650 ± 20) nm;
Range
0 –1000 mg/m3 (customizable)
Accuracy
Resolution
Response time
≤±5%
0,1 mg/m³
≤10s (T90)
Communication interface
IP68
Housing IP Rating
RS485,4-20 mA (optional)
✦ Support on-site zeroing and span calibration.
✦ Auto gain control and temperature compensation.
✦ Small and compact structure, easy for installation and disassembly.
✦ Applied in dust emission detection, detection and control in desulphurization & dust removal engineering of flue gas in power generating boiler, industrial kiln and industrial boiler of thermal power plant, steelworks, cement production factory, ceramics factory and waste incineration plant, etc ...

EMS-5Flue Gas Analyzer is a self-developed gas analysis product for environment online monitoring and industrial online analysis. Based on Ultraviolet Differential Optical Absorption Spectroscopy (UV-DOAS) and Stoichiometric Algorithm (PLS), the analyzer can measure SO2, NO, NO2, O2, NH3, CO, CO2, O3, etc. It owns advantages of high accuracy and reliability, low operating cost, fast response, wide measurement range and application range.
Measuring principle
UV-DOAS,EC (O2)
Range
SO2:0 - 1000 mg/Nm3
NOx:0 – 1500 mg/Nm3
CO: 0– 1000 mg/Nm3
O2: 0– 25%
Accuracy
≤2%F.S
Resolution
1mg/m3 or 1ppm; 0,1%V O2
Response time
≤ 50s
Communication interface
RS485/RS232/GPRS
Housing IP Rating
IP42
Applied in exhaust emission monitoring and process control in coal-fired power plant, garbage power plant, cement plant, glass plant, lime factory, ceramics factory, sintering process, coke oven, desulfurization technology, denitration technology, etc.

LG-100is a flameproof tunable laser gas analyzer based on TD LAS technology, which can measure concentration of 02, CO, NH, CO2, CH., H20, HCl, HF and other gases in situ. It mainly consists of transmitter, receiver and connection box. Applied in exhaust emission monitoring and process control in coal-fired power plant, garbage power plant, cement plant, glass plant, lime factory, ceramics factory, sintering process, coke oven, desulfurization technology, denitration technology, etc.
Measuring principle
TD-LAS
Range
HCl: 0 -500 mg/Nm3
Linearity Error
≤±1%F.S
Repeatability
Span Drift
Response time
≤1%≤
±1%F.S./halfa year
≤ 1s
Communication interface
RS485/RS232/GPRS
Housing IP Rating
IP66
✦ Easy Maintenance: Modular design, laser module and detector module field are replaceable, easy maintenance.
✦ Strong Anti-Interference Capability: Adopting wavelength modulation technology allows better signal/noise ration and anti-interference capability of dust and background gas.
✦ Self Diagnose Function.
✦ Easy Optical Path Adjusting.
No. 32 Nguyen Khuyen Street, Vo Cuong Ward, Bac Ninh City, Bac Ninh Province
+84-963189981
quantrac.mtg@gmail.com