DOWESTON Technical & Selection Center - Instrument Selection & Application Knowledge

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Flow Meters

Electromagnetic Flow Meter
Coriolis Mass Flow Meter
Thermal Mass Flow Meter (Gas)
Vortex Flow Meter
Gas Ultrasonic Flow Meter
Low-flow Meter & Controller
Gear Flow Meter
Turbine Flow Meter
Liquid Ultrasonic Flow Meter
Metal Rotameter
Open Channel Flow Meter
Target Flow Meter
DP-type Flow Meters
Flow Switch

Level Measurement

Level Controller
Ultrasonic Sludge Interface Meter
Displacer Level Meter
More Level Switches
Float Level Meter & Switch
Ultrasonic Level Meter
Magnetic Level Indicator
Hydrostatic Level Meter

Temperature Measurement

Bimetal Thermometers
Infrared Thermometer
Temperature Switch
RTD Sensors
Thermocouples
Temperature Transmitter

Analyzers & Detection Sensors

Sludge Blanket & SDI Analyzer
Multi-parameter Water Quality Analyzer
Hardness/Alkalinity/Urea Online Analyzer
Ion Analyzer (F/Na/Si/Cl)
Conductivity/Salinity Online Analyzer
Residual Chlorine / Chlorine Dioxide / Ozone Analyzer
Ammonia/Total Nitrogen Online Analysis
COD/UV254/TOC Online Analysis
Turbidity/Suspended Solids/Sludge Analyzer
Dissolved Oxygen (DO) Online Analyzer
pH/ORP Online Analyzer

Environmental Monitoring: Temp/Humidity/Dew Point

Temperature & Humidity
Carbon Dioxide (CO2)
Air Quality
Hydrogen (H2)
Methane (CH4)
Dew Point
Wind Power
Pressure & Differential Pressure

Signal Isolator & Safety Barrier

Isolated Safety Barrier
Signal Isolator
Surge Protection Device
Safety Relay

Weighing & Force Measurement

Weighing Indicator & Transmitter
Weighing Module
Multi-axis Force Sensor
On-board Load Cell
Tension Sensor
Micro Force Sensor
Column Load Cell
Disc-type Load Cell
Spoke-type Load Cell
Double Shear Beam Load Cell
Cantilever Beam Load Cell
S-type Load Cell
Single-point Load Cell
Load Cells

Pressure Sensors & Transmitters

Pressure Sensor
Process Pressure Transmitter
Differential Pressure Transmitter
Diaphragm Seal Remote Transmitter
Mechanical Pressure Gauge
Pressure Switch
Pressure Accessories

Solid Level Measurement

Plumb-bob Level Meter
Microwave Level Switch
RF Admittance Switch
Magnetostrictive Position Sensor & Level Meter
Rotary Paddle Level Switch
Tuning-fork Level Switch
Capacitive Level Meter
Radar Level Meter

Density & Concentration

Online Viscometer
Online Acid/Alkali Concentration Meter
Nuclear Density/Concentration Meter
Vibrating-tube Density/Concentration Meter
Single Straight-tube Density Meter
Online Concentration Meter
Tuning-fork Density/Concentration Meter
Differential Pressure Density Meter
Coriolis Density Meter
Ultrasonic Density/Concentration Meter

Display & Recording Instruments

Digital Panel Instruments
Paperless Recorder
PID Temperature Controller
Flow Totalizer
Annunciator / Flash Alarm

Gas Alarm & Analyzer

Other Test & Maintenance Equipment
Flame Detector
Fixed Gas Detector
Portable Gas Detector

Vibration & Displacement

Vibration Sensors & Transmitters
Eddy Current Displacement Sensor
Speed Sensor
Unit-dedicated Temperature Sensors
Wireless Vibration Monitoring
Vibration Monitors & DAQ Systems
Rod-type Magnetostrictive Position Sensor
External-slider Magnetostrictive Position Sensor
Push-pull Magnetostrictive Position Sensor

Service & Support

Doweston China
Doweston Sensing the World

AI Hardware & Systems

Server Manufacturing
Server Testing
Coolant Monitoring
Backup Power & Diesel Generator
Server Room Environment Monitoring
Rack-level Cooling Distribution
AI Server Liquid Cooling

Rubber, Plastics & Tires

Cooling Water Circulation
Raw Material Conveying & Metering
Vulcanizer Steam Pressure
Internal/Banbury Mixing Temperature
Injection Molding Hydraulics & Oil Temperature
Extruder Melt Pressure

Pulp & Paper

Wastewater Treatment
Paper Machine Wet End
Steam & Condensate
White Water Recovery & Circulation
Pulp Flow & Consistency
Digestion & Bleaching Stages

Aerospace

Aviation
Aerospace Ground Equipment
Engine Test Bench
Wind Tunnel Testing
Ground Test Bench
Environmental Control & Oxygen Supply
Hydraulic & Actuation Systems
Fuel Flow & Quantity

Hydraulic System

Pump Station & Accumulator
Lubrication System
Hydraulic Oil Contamination
Cylinder Position & Displacement
Oil Tank Level & Temperature
Hydraulic Station Pressure Monitoring

Marine & Offshore Engineering

Offshore Platform Processes
Marine Sewage Treatment
Main Engine Cooling Water
LNG Fuel Tank Level
Ballast & Bilge Water
Fuel & Lube Oil Systems

Offshore Wind Power

Offshore Substation
Tower & Nacelle Environment
Generator Cooling
Gearbox Lube Oil
Pitch Hydraulic System

Industrial Smelting

Dedusting & Gas Recovery
Oxygen & Nitrogen Metering
Gas Flow & Pressure
Mill Hydraulics & Lubrication
Continuous Casting Mold Level
Converter & EAF Off-gas
Blast Furnace Cooling Stave Temperature

Food & Beverage

Food Production
Beverages
Food Machinery
Tank Farm Level
Dairy Separation & Homogenization
Mashing & Fermentation
CIP Cleaning System
Pasteurization Temperature
Blending & Batching
Filling & Volumetric Metering

Biomanufacturing & Fermentation

CIP & SIP Cleaning / Sterilization
Purification & Chromatography
Seed Tank & Cascade
Aeration & DO Control
Feed & Fed-batch Metering
Fermenter Temperature & Pressure

Environmental Protection & Flue Gas Treatment

VOCs Treatment & Monitoring
Wastewater Treatment & Discharge
Dedusting & Baghouse DP
Denitrification Ammonia Metering
Desulfurization Absorber Level
CEMS Flue Gas Continuous Monitoring

Water & Wastewater

Water Generation & Supply
Sewage Conveyance & Treatment
Network Pressure & Leak Monitoring
Effluent Metering & Quality
Sludge Concentration & Flow
Aeration Tank Dissolved Oxygen
Filter Level & Differential Pressure
Clarifier Sludge Level
Dosing, Coagulation & Disinfection
Intake Pump Station & Raw Water

Data Center & Liquid Cooling

Server Room Temp/Humidity & Differential Pressure
Leak Detection & Localization
Coolant Quality Monitoring
Coolant Flow & Pressure
Rack Coolant Inlet/Outlet Monitoring
CDU Primary-side Cooling

Power & Energy

Photovoltaic New Energy
Resource Recovery Power Generation
Transformer Oil Temperature & Level
Circulating Cooling Water
Flue Gas Desulfurization & Denitrification
Steam Turbine Shaft Monitoring
Steam Flow Metering
Feedwater & Condensate Flow
Boiler Drum Water Level

Energy Storage & Battery Manufacturing

ESS Cabinet Fire & Gas Detection
Precursor Synthesis Reactor
NMP Recovery & Distillation
Cathode Slurry Conveying
Electrolyte Filling Metering
Coolant Flow & Pressure
Battery Liquid-cooling CDU Control

Chemical Industry

Tank Farm Level & Loading
Heat Transfer Oil & Cooling Circuit
Exhaust Absorption & Scrubber
Batch Feeding & Dosing
Solvent & Raw Material Flow Metering
Acid/Alkali Concentration Online Analysis
Distillation Column Level & DP
Reactor Temperature & Pressure

Electronics Industry

Electronics Production Lines
Semiconductor Industry
Consumer Electronics
Cleanroom Environment
Reflow & Wave Soldering
Dispensing & Coating
Electronic Specialty Gas Supply
UPW Production

Textile & Dyeing

Workshop Temperature & Humidity
Wastewater Treatment & Reuse
Washing & Rinsing
Steam & Thermal Energy
Stenter Temperature Control
Dye Dosing & Metering

HVAC & District Energy

Fresh Air & Air Quality
Ground-source Heat Pump
Cooling Tower & Circulating Water
Heat & Cooling Energy Metering
Chilled Water System Balancing
Heating & Cooling Plant Room

Mobile Machinery

Mobile Working Machines
Tunneling Machinery
Equipment Attitude & Weighing
Exhaust After-treatment (SCR)
Coolant Temperature & Level
Hydraulic System Pressure
Engine Fuel & Lube Oil

Building Materials Industry

Cement
Building Materials
Silo Solid Level
Glass Furnace Control
Concrete Batching Metering
Raw Meal & Pulverized Coal Metering
Rotary Kiln Temperature & Pressure
Cement Kiln Exhaust Gas

Nuclear Power & Clean Energy

Conventional Island Water/Steam Cycle
Radioactive Waste Liquid Treatment
Residual Heat Removal & Cooling
Containment Environment Monitoring
Steam Generator Water Level
Primary Loop Pressure & Level

Mining & Mineral Processing

Mine Drainage & Ventilation
Thickener Sludge Level
Concentrator Circulating Water
Tailings Pond Level
Flotation Reagent Dosing
Slurry Flow & Concentration

NEV Manufacturing

Vehicle Filling & Testing
Coolant Vacuum Filling
Battery Pack Leak Testing
Welding Shop Cooling Water
Paint Booth Temperature & Humidity
Coating Pretreatment & Electrophoresis

Life Sciences

Pharmaceutical Equipment
Pharmaceutical Manufacturing
Bioengineering
Laboratory Analytical Instruments
Culture Media Preparation
Clean Steam & Sterilization
Water for Injection (WFI)
Purification & UF Systems
Bioreactor Control

CCUS Carbon Capture & Storage

EOR & Storage Monitoring
CO2 Tank Level
Saline Aquifer Injection
CO2 Pipeline Metering
CO2 Compression & Liquefaction
Flue Gas Capture Absorber

Municipal & Smart City

Utility Tunnel Environment Monitoring
Urban Drainage & Flood Control
Gas Pressure Regulation & Metering
District Heating Network Heat Metering
Secondary Water Supply Pump Station
Water Works & Pump Stations

New Energy Materials & Fine Chemicals

Reactor Temperature & Pressure
High-purity Material Level
Solvent Recovery Distillation
Powder Conveying & Metering
Electrolyte Preparation & Filling
LFP Reactor

Photovoltaic & Perovskite

Wastewater & Off-gas Treatment
Perovskite Precursor Metering
Silver Paste & Slurry Coating
Wafer Cleaning UPW
Mono-crystal Furnace Pressure & Vacuum
Polysilicon Cold Hydrogenation

Hydrogen Energy & Fuel Cells

High-purity Hydrogen Quality Analysis
Hydrogen Leakage Monitoring
Fuel Cell Hydrogen Recirculation
Hydrogen Station Metering & Filling
Hydrogen Storage Pressure & Level
Hydrogen Output Metering
Electrolyzer Level & Pressure

Semiconductor

Wafer Fabrication
Specialty Gas & Chemical Supply Systems
Ultrapure Water (UPW)
Packaging & Testing (OSAT)
Vacuum System
Off-gas Treatment & Emission Reduction
Cleanroom Temp/Humidity & Differential Pressure
Facility UPW & Wastewater
Process Gas MFC Control
Wet Cleaning & Etching
CMP Slurry Supply

Oil, Gas & Refining

Long-distance Pipeline & Leak Monitoring
Truck & Ship Loading Metering
Oilfield Water Injection & Produced Water
Flare Gas & Vent Monitoring
Natural Gas Flow Metering
Tank Level & Inventory Metering
Refining Process Control
Crude Oil Metering & Export

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DOWESTON specializes in instrumentation and sensors, headquartered in Missouri, USA. We focus on process instruments and sensors for flow, pressure, level, temperature and water-quality analysis, plus auxiliary components. Widely used across industries, our products help customers improve productivity and promote sustainable development worldwide.