Precision Measurement Engineering
Precision Measurement Engineering designs and manufactures optode-based submersible sensor loggers for dissolved oxygen, temperature, and water quality monitoring, serving universities, government agencies, and aquaculture operators globally since 1982.
- Company typePrivate
- Founded1982
- HeadquartersVista, United States
- Headcount1–10
- GTM typeB2B
- OfferingHardware or Manufacturing
What Precision Measurement Engineering does
Precision Measurement Engineering (PME) designs and manufactures optode-based sensor loggers and water quality monitoring instruments for aquatic research and environmental monitoring. Founded in 1982 and headquartered in Vista, California, the company serves research institutions, government environmental agencies, aquaculture operators, and wastewater monitoring organizations, with a documented customer footprint spanning North America, Europe, the Middle East, and Africa.
The product portfolio is built around fluorescence-quenching optode technology for dissolved oxygen measurement, anchored by the miniDOT and miniDOT Clear submersible data loggers that record to internal SD cards and configure via USB. Adjacent products include the miniPAR logger for photosynthetically active radiation, the C-FLUOR and Cyclops-7 loggers that integrate with Turner Designs' fluorescence and turbidity sensors, the T-Chain vertical profiling system, the microDOT Plus compact sensor, and the WIPER self-cleaning accessory. Differentiating technical features include a patented Q Measurement Quality Indicator that cross-checks dissolved oxygen readings from emission intensity and emission lifetime, a field calibration adjustment method that extends deployment windows, and a 300-meter depth rating.
PME operates a direct sales model with quote-based pricing (no public price list), supplemented by an international distributor network (e.g., terra4 in Germany), a referral program, and accessories and repair/calibration services that generate recurring revenue alongside one-time hardware sales. The company cultivates its academic customer base through the Partners In Research Program, which provides discounts and conference support to early-career researchers, and markets through case studies, a blog, YouTube video content, an email newsletter, and participation in industry events such as CALMS 2025 and CERF 2025.
Precision Measurement Engineering firmographics
Firmographics- Name
- Precision Measurement Engineering
- Legal name
- Precision Measurement Engineering, Inc.
- Website
- https://pme.com
- Company type
- Private
- Founded year
- 1982
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Precision Measurement Engineering designs and manufactures optode-based submersible sensor loggers for dissolved oxygen, temperature, and water quality monitoring, serving universities, government agencies, and aquaculture operators globally since 1982.
- Ownership category
- akta.pro rank
Precision Measurement Engineering industry classification
Industry- Product category
- Water Quality Monitoring Equipment
- NAICS
- Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (334513), Analytical Laboratory Instrument Manufacturing (334516), Other Measuring and Controlling Device Manufacturing (334519)
- SIC
- Industrial Instruments For Measurement, Display, And Control (3823), Laboratory Analytical Instruments (3826)
- akta.pro primary industry
- Industrial Sensors (Pressure, Temperature, Flow, Level, Proximity, Vibration) (IMAGAFAA)
- akta.pro secondary industries
- Water Quality Monitoring (Surface Water, Stormwater, Drinking Water) (EUAHACAC), Watershed/Source Water & Raw Water Quality Monitoring (intakes, reservoirs, groundwater) (EUANAJAH), On-Site Water Testing & Rapid Screening Services (Field Kits, Sensors, ATP) (AFALAJAI)
Keywords
Where Precision Measurement Engineering is headquartered
LocationHeadquarters
- HQ city
- Vista
- HQ country
- United States
- HQ region
- North America
Offices2 records
Markets served
Precision Measurement Engineering business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- Water Quality Monitoring Equipment Sales: PME generates revenue through the sale of submersible data loggers and sensors including miniDOT Logger, miniDOT Clear Logger, miniPAR Logger, C-FLUOR Logger, Cyclops-7 Logger, T-Chain, WIPER, and microDOT Plus. These are one-time hardware purchases with associated accessories and anti-fouling measures.
- Accessories and Consumables: Sales of accessories including Anti-Fouling Kit, Maintenance Kit, Maintenance Plan, WIPER Bracket, Wiper Replaceable Brushes, and USB Communication Cable. These represent recurring revenue opportunities as accessories wear out or require replacement.
- Repair and Calibration Services: PME offers warranty and regular repair, recalibration, and other services for their products. This includes warranty claims processing with repair, replacement, or repurchase options.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Research discount program |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
Precision Measurement Engineering product offering
Product offeringCore offering
Precision Measurement Engineering designs and manufactures submersible sensor loggers and water quality monitoring instruments that measure dissolved oxygen, temperature, PAR, and optical parameters using optode-based fluorescence sensing technology. The product portfolio includes the miniDOT Logger, miniDOT Clear Logger, miniPAR Logger, C-FLUOR Logger, Cyclops-7 Logger, T-Chain profiling system, WIPER self-cleaning device, and microDOT Plus compact sensor, along with accessories for anti-fouling and maintenance.
Product overview
Precision Measurement Engineering (PME) offers a portfolio of water quality monitoring instruments focused on dissolved oxygen, temperature, and optical parameter measurements. The core product line includes the miniDOT Logger and miniDOT Clear Logger (submersible dissolved oxygen and temperature data loggers using fluorescence/optode technology), miniPAR Logger (PAR measurements), C-FLUOR Logger and Cyclops-7 Logger (both compatible with Turner Designs fluorescence sensors for chlorophyll, rhodamine, turbidity, and other parameters), T-Chain vertical profiling systems, and the microDOT Plus compact sensor. Supporting accessories include the WIPER self-cleaning device, anti-fouling kits, maintenance kits, and USB communication cables. The products share common data recording to internal SD cards, USB connectivity for configuration, and optical sensor technology based on fluorescence quenching principles for dissolved oxygen measurement.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- miniDOT loggers maintained consistent operation and collected reliable data after being lost for nearly 3 years in Lake Tegel, Berlin
- +2 more outcomes
Companies that use Precision Measurement Engineering
Customer profileNamed customers19 records
Segments4 records
Ideal customer profiles4 records
Precision Measurement Engineering technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration3 records
Feature5 records
Precision Measurement Engineering partnerships and signals
Strategic signalPartnerships
Three partnerships are on record, tiered core.
- Turner DesignscorePME partnered with Turner Designs to develop and launch the C-FLUOR Logger, which powers and logs data output from Turner Designs C-FLUOR Sensors. This partnership combines PME's data logging expertise with Turner Designs' fluorescence sensor technology to provide integrated water monitoring solutions for research applications.
- Aquasend, Inc.coreAquasend integrates PME's miniDOT Clear Logger into their aquaculture monitoring solutions including the Aquasend Beacon. The partnership enables aquafarmers worldwide to access combined monitoring technology for production management through 24/7 real-time monitors and alerts.
- terra4coreterra4 is an international distributor of PME products based in Germany. They sold the miniDOT loggers featured in the Lake Tegel case study and serve as the primary distribution channel for PME products in the German market.
Scale indicators3 records
Recent moves5 records
Expansion highlights5 records
Precision Measurement Engineering competitors and assessment
Company assessmentDirect peers
- Onset Computer Corporation (HOBO): Maker of HOBO data loggers for environmental monitoring including water temperature, level, and light. Comparable as a small-team U.S. manufacturer of submersible research-grade loggers, though more focused on temperature/light than DO.
- Turner Designs: Manufacturer of fluorescence-based water quality sensors (chlorophyll, rhodamine, turbidity, CDOM) that PME directly partners with and integrates via the C-FLUOR and Cyclops-7 loggers. Highly comparable in customer base (aquatic researchers) and product category, but Turner Designs owns the sensor side while PME owns the logger platform.
- Sea-Bird Scientific: Specialist in high-accuracy oceanographic and water quality sensors used by researchers and monitoring agencies, including CTD, dissolved oxygen, and chlorophyll fluorescence instruments. Direct competitor in the marine/coastal research segment where PME's miniDOT and C-FLUOR products are also used.
- In-Situ (Aqua TROLL / Level TROLL): Manufacturer of multiparameter water quality sondes (Aqua TROLL) and water level loggers for environmental and aquaculture monitoring. Direct overlap with PME in DO and water quality monitoring for research and aquaculture customers.
- Aanderaa Data Instruments (AADI): Norway-based manufacturer of oceanographic and water quality sensors and data loggers, including optode-based dissolved oxygen sensors. Direct technical peer to PME's miniDOT platform, serving research and offshore monitoring customers globally.
Broad incumbents
- Hach (Danaher): Major global provider of water quality analyzers, sensors, and reagents for drinking water, wastewater, and industrial monitoring. Comparable to PME in DO and turbidity measurement, but targets utilities and industrial compliance rather than pure research.
- YSI (Xylem): Established manufacturer of multiparameter water quality sondes and data loggers (e.g., EXO series) used widely in environmental monitoring and research. Overlaps with PME in DO, temperature, and turbidity sensing, but operates at much larger scale with broader parameters and integrated sondes.
- Campbell Scientific: Manufacturer of environmental measurement and control systems (dataloggers, sensors, telemetry) widely deployed in research, agriculture, and hydrology. Overlaps with PME in environmental monitoring data logging but with much broader hardware and software ecosystems.
- OTT HydroMet: Global provider of hydrometeorological and water quality monitoring systems including multi-parameter sondes. Comparable to PME in surface-water and source-water monitoring applications for utilities and government agencies, but with a broader portfolio and international service footprint.
Emerging players
- Atlas Scientific: U.S. maker of environmental sensors and OEM sensing modules for water quality (pH, DO, ORP, EC). Comparable in the OEM sensor/module space where PME's microDOT Plus plays, though Atlas focuses more on general water quality parameters and hobbyist/prosumer markets.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks7 records
Key highlights7 records
Customer concentration
Precision Measurement Engineering social profiles
Digital presencePrecision Measurement Engineering financial estimates
Financial estimateRevenue estimate
Valuation estimate
Precision Measurement Engineering leadership team
Management profileNumber of profiles
Profiles1 record
Precision Measurement Engineering funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Precision Measurement Engineering M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Precision Measurement Engineering
What does Precision Measurement Engineering do?
Precision Measurement Engineering designs and manufactures submersible sensor loggers and water quality monitoring instruments that measure dissolved oxygen, temperature, PAR, and optical parameters using optode-based fluorescence sensing technology. The product portfolio includes the miniDOT Logger, miniDOT Clear Logger, miniPAR Logger, C-FLUOR Logger, Cyclops-7 Logger, T-Chain profiling system, WIPER self-cleaning device, and microDOT Plus compact sensor, along with accessories for anti-fouling and maintenance.
Is Precision Measurement Engineering a public or private company?
Precision Measurement Engineering is a private company. It is classified as management employee owned and is currently operating.
When was Precision Measurement Engineering founded?
Precision Measurement Engineering was founded in 1982. It employs 1 to 10 people.
Where is Precision Measurement Engineering based?
Precision Measurement Engineering is headquartered in Vista, United States, in the North America region.
How does Precision Measurement Engineering make money?
Three revenue lines are on record. Water Quality Monitoring Equipment Sales are the primary driver. The others are accessories and Consumables and repair and Calibration Services.
Who are Precision Measurement Engineering's main competitors?
Direct peers on record are Onset Computer Corporation (HOBO), Turner Designs, Sea-Bird Scientific, In-Situ (Aqua TROLL / Level TROLL) and Aanderaa Data Instruments (AADI). Broad incumbents are Hach (Danaher), YSI (Xylem), Campbell Scientific and OTT HydroMet. Atlas Scientific is listed as an emerging player.
Does Precision Measurement Engineering have an API?
No public API is recorded for Precision Measurement Engineering.
What industry is Precision Measurement Engineering in?
Precision Measurement Engineering's product category is Water Quality Monitoring Equipment. Its primary akta.pro industry code is IMAGAFAA, Industrial Sensors (Pressure, Temperature, Flow, Level, Proximity, Vibration), with a secondary code of EUAHACAC, Water Quality Monitoring (Surface Water, Stormwater, Drinking Water). Its NAICS code is 334513 and its SIC code is 3823.