CQCY Analytical process gas analyzers, PS7400 CEMS & 7091/70X3 water quality systems

Supply online process gas analyzers, turnkey PS7400 Continuous Emission Monitoring Systems (CEMS), 7091/70X3 water quality analyzers, SWAS panels, laboratory chromatographs and genuine OEM spare parts from CQCY Analytical.

PA Series Online Process Gas Analyzers (NDIR, Paramagnetic O2, TCD)

Manufactured by Chongqing Chuanyi Analytical Instrument Co., Ltd. (est. 1969), the PA series process gas analyzers provide continuous composition monitoring of blast furnace gas, converter gas, syngas and petrochemical process streams.

Non-dispersive infrared (NDIR), UV differential absorption, paramagnetic dumbbell O2 and thermal conductivity (TCD) sensors
Multi-component measurement of CO, CO2, CH4, SO2, NO, O2 and H2 with pressure and temperature compensation
19-inch rackmount and flameproof Ex d field enclosures with 4–20 mA, Modbus RTU and HART outputs
Spare parts: optical sample cells, IR sources, paramagnetic O2 sensors, detector modules

TDLAS Tunable Diode Laser Gas Analyzers (In-Situ & Extractive)

CQCY Analytical TDLAS laser gas analyzers utilize single-line absorption spectroscopy to deliver sub-second measurements of O2, CO, NH3, HCl, H2S and moisture directly across hot, dust-laden process ducts.

Sub-second T90 response time ideal for combustion optimization, electrostatic precipitator safety and SCR ammonia slip
Immune to background gas cross-interference and high particulate loading via wavelength modulation
Cross-duct and single-flange probe configurations rated for high process temperatures and corrosive flue gases
Spare parts: laser diode emitters, InGaAs photodetectors, sapphire purge windows, alignment flanges

PS7400 Turnkey Continuous Emission Monitoring Systems (CEMS)

The flagship PS7400 CEMS platform automates continuous regulatory stack monitoring of SO2, NOx, CO, CO2, O2, particulate opacity and flue gas flow rate for coal-fired power stations, refineries, cement kilns and waste incinerators.

Complete extractive train: heated blowback probe, +180 °C PTFE sample line, Peltier chiller and analyzer cabinet
Programmable PLC control for automatic high-pressure probe back-purging and zero/span calibration cycles
Integrated cross-stack laser dust monitor, S-type Pitot differential flowmeter and zirconia O2/humidity sensor
Spare parts: heated probe filter elements, sample diaphragm pumps, peristaltic drain pumps, Peltier coolers

PS7000 & DT600 Process Gas Analysis Shelters and Sample Conditioning Skids

Custom-engineered PS7000 and DT600 process gas analysis systems combine multi-stage sample conditioning with high-stability analyzers for coke ovens, coal gasification, sulfuric acid plants and chlor-alkali units.

Tailored sample pre-treatment removing tar, naphthalene, acid mist, sulfur aerosols and fine particulates
Pressurized explosion-proof analyzer cabinets and walk-in shelters with vortex cooling and gas leak alarms
Multi-stream solenoid switching manifolds with automated sample flow monitoring and condensate detection
Spare parts: coalescing micro-filters, sample rotameters, stream selection valves, moisture breakthrough sensors

7091 Series Online Water Quality Analyzers (pH/ORP, Conductivity, Dissolved O2, Silica, Sodium)

The 7091 water chemistry analyzer family monitors ultra-pure boiler feedwater, steam condensate, reverse osmosis permeate and industrial effluent across thermal and nuclear power plants.

Online pH/ORP transmitters, four-electrode conductivity meters, acid/alkali concentration meters and trace DO analyzers
Automated colorimetric and ion-selective analyzers for trace silica (SiO2), phosphate, hardness and sodium (pNa)
IP65 panel-mount controllers with automatic temperature compensation, dual 4–20 mA outputs and Modbus RTU
Spare parts: high-purity pH/pNa electrodes, titanium conductivity cells, dissolved oxygen membrane caps, pump tubing

70X3 Explosion-Proof Liquid Analyzers & Effluent COD / Ammonia / Total Phosphorus Monitors

Engineered for hazardous petrochemical zones and environmental discharge compliance, the 70X3 flameproof transmitter series and cabinet wet-chemistry analyzers track corrosive process liquids and wastewater parameters.

70X3 two-wire explosion-proof (Ex d / Ex ia) field transmitters for pH, ORP, conductivity and dissolved oxygen
Automated wet-chemical cabinet analyzers for CODcr, ammonia nitrogen (NH3-N), total phosphorus (TP) and total nitrogen (TN)
Optical turbidity, suspended solids (MLSS), residual chlorine and oil-in-water sensors with self-cleaning wipers
Spare parts: retractable insertion electrode holders, multi-port reagent rotary valves, digestion tubes, wiper blades

WS Integrated Water Quality Monitoring Stations & Power Plant SWAS Panels

CQCY Analytical WS series stations and Steam & Water Analysis System (SWAS) panels deliver turnkey sample extraction, cooling, pressure reduction, filtration and multi-parameter water quality telemetry.

WS cabinet, outdoor shelter and buoy stations monitoring 5 core parameters (pH, DO, conductivity, turbidity, temp) plus COD/NH3-N/TP/TN
Power plant SWAS wet and dry panels featuring high-pressure sample coolers, backpressure regulators and cation columns
Automated backwash filtration, ultrasonic flow-cell cleaning and algae inhibition for unattended operation
Spare parts: high-pressure sample coolers, pressure reducing valves, ultrafiltration membranes, cation resin columns

Laboratory Gas Chromatographs, Mass Spectrometers, Spectrometers & Analytical Balances

The Scientific Instruments division of CQCY develops high-precision laboratory analytical equipment and automated smart laboratory platforms for petrochemical QA/QC, metallurgy, pharmaceuticals and environmental labs.

Process and laboratory gas chromatographs (GC) and mass spectrometers for complex hydrocarbon and trace gas speciation
Atomic absorption (AAS), optical emission and UV-Vis spectrometers for trace metal and elemental quantification
High-resolution electronic analytical balances, moisture analyzers and robotic laboratory sample preparation stations
Spare parts: capillary and packed GC columns, FID/TCD detectors, hollow cathode lamps, autosampler syringes, load cells

Equipment identification and CQCY Analytical nameplate verification

Process gas analyzers, CEMS shelters and water quality monitors manufactured by Chongqing Chuanyi Analytical Instrument Co., Ltd. (founded in 1969, core subsidiary of CQCY 603100.SH) are custom-configured to specific gas matrices, measuring ranges and explosion-proof classifications.

To request replacement optical cells, sample conditioning components or complete analyzer racks, provide the full model code and serial number from the instrument or cabinet nameplate.

Factory serial verification guarantees exact match of optical path lengths, calibration curves and wetted materials.

PA series NDIR, paramagnetic O2, TCD and TDLAS laser gas analyzers

The PA analyzer series combines Non-Dispersive Infrared (NDIR), UV Differential Optical Absorption (DOAS), dumbbell paramagnetic O2 and thermal conductivity (TCD) physics for continuous syngas, blast furnace gas and converter gas analysis.

TDLAS tunable diode laser analyzers provide sub-second in-situ measurement of O2, CO, NH3 slip, HCl and H2S directly across hot, dust-laden ducts without extractive sampling.

We supply optical benches, IR/UV light sources, paramagnetic O2 cells, laser transceiver modules and sapphire purge windows.

PS7400 CEMS flue gas emission monitoring and PS7000/DT600 process skids

PS7400 Continuous Emission Monitoring Systems (CEMS) automate regulatory stack measurement of SO2, NOx, CO, CO2, O2, particulate dust opacity and volumetric flue gas flow.

PS7000 and DT600 process gas analysis shelters incorporate multi-stage tar, naphthalene and acid mist removal for coke ovens, coal chemical plants and refining units.

We deliver heated blowback probes, +180 °C PTFE sample lines, Peltier gas chillers, diaphragm sample pumps, peristaltic drain pumps and coalescing filter elements.

7091 & 70X3 online water quality analyzers for power and petrochemical plants

The 7091 series monitors ultra-pure boiler feedwater and steam condensate with high-precision pH/ORP, conductivity, trace dissolved oxygen, colorimetric silica (SiO2), phosphate and sodium (pNa) analyzers.

For hazardous petrochemical areas and wastewater outfalls, 70X3 flameproof transmitters and automated wet-chemistry cabinets track CODcr, ammonia nitrogen (NH3-N), total phosphorus (TP) and total nitrogen (TN).

We supply glass and enamel pH/pNa electrodes, titanium conductivity cells, DO membrane caps, multi-port reagent valves and digestion tubes.

WS integrated water monitoring stations and power plant SWAS panels

WS series cabinet, outdoor shelter and buoy stations integrate automated water intake, tangential ultrafiltration, multi-parameter analysis and environmental telemetry.

Power plant Steam & Water Analysis System (SWAS) panels feature Inconel/316L high-pressure sample coolers, pressure-reducing valves, thermal shutoff valves and cation exchange columns.

We provide replacement sample coolers, high-pressure PRVs, ultrafiltration cartridges and submersible sampling pumps.

Scientific & laboratory instruments: gas chromatographs, spectrometers and balances

CQCY Analytical manufactures laboratory and process gas chromatographs (GC), mass spectrometers, atomic absorption spectrometers (AAS), UV-Vis spectrophotometers and high-precision electronic balances.

Smart laboratory automation systems integrate robotic sample preparation, automated dosing and LIMS data management for industrial QA/QC.

We supply capillary and packed GC columns, FID/TCD detectors, hollow cathode lamps, autosampler modules and precision load cells.

Preventive maintenance kits and 1-year / 2-year CEMS & SWAS consumables

Continuous environmental and process analyzers require scheduled replacement of probe filter elements, peristaltic pump tubing, coalescing cartridges and electrochemical electrodes.

We assemble tailored 1-year and 2-year spare parts packages matched to your installed PS7400 CEMS, PS7000 gas skids and 7091/WS water stations.

All consumables and sensors are shipped in factory-sealed packaging with fresh shelf-life dates.

Turnkey analyzer shelter engineering and retrofit replacement

CQCY Analytical instruments serve both new greenfield EPC installations and brownfield retrofits replacing aging gas analyzers, sample chillers and water chemistry transmitters.

We assist with process stream compatibility checks, hazardous area certification matching (Ex d / Ex ia / pressurized cabinets) and 4–20 mA / HART / Modbus integration.

Dimensional drawings, flow schematics and wiring diagrams are provided for seamless site installation.

International export supply, protective packing and OEM spare parts

We coordinate factory production, pre-shipment calibration verification and international delivery of CQCY Analytical gas analyzers, CEMS cabinets, water monitors and laboratory equipment.

Shock-absorbing export packaging protects sensitive optical benches, laser modules and glass electrodes during transit.

Send us your process gas/water composition datasheet or instrument nameplate photo to receive a comprehensive quotation.

Specifications, lead times and pricing for CQCY Analytical systems and spare parts are quoted individually upon commercial request. Final scope of supply and warranty terms are defined in the contract.