Process instrumentation for audited operations

Pressure, level and flow loops that hold their reading after the audit closes.

Documented chain from sensor to certificate, no shortcuts.

View Instrument Lines Send Range Details
1 kHz samplingTypical response
64 yrsField-proven service
47 sitesAccredited calibration scope
k=3 documentedReported uncertainty
Process operator inspecting pressure flow and level transmitters

Specify faster

Measurement families built around range, output and approval.

Dwyer organizes the catalog around the decisions that hold up a work order: measurement type, process media, output signal, enclosure rating, approval region and calibration record.

Differential pressure transmitter on process skid

Pressure and DP Transmitters

Define range, turndown, wetted material and Ex Zone before a loop package moves to procurement.

Process InstrumentationView products
Flow meter installed on stainless process line

Flow Meters and Switches

Match liquid, air and gas service to velocity, pressure drop and mounting limits before the shutdown window starts.

Dwyer flow meterCompare flow lines
Industrial temperature sensor and transmitter

Temperature Sensors

Thermistor, RTD and transmitter choices are framed by response time, housing exposure and QA traceability.

Sensors and TransmittersOpen selector
Environmental monitoring device at industrial site

Environmental Monitoring

Gas, air quality, water and humidity instruments are packaged with clear maintenance and bump-test expectations.

Environmental InstrumentsReview monitoring
  • ISO/IEC 17025
  • NIST-traceable
  • ISO 9001
  • CE / MID / ATEX
Refinery QAWater UtilityPower I&CFood AuditChemical SISOEM Panel

Industries we measure for

Field conditions, approval regions and audit files stay visible.

Oil, Gas & Petrochemical

Pressure, level and flow loops on refinery columns, offshore platforms and tank-farm custody-transfer skids.

Chemical Process

Corrosion-rated transmitters, ATEX/IECEx-zone instruments and SIS-rated final control elements.

Water & Wastewater

Ultrasonic and electromagnetic flow meters, MID-class water metering and aeration-blower control loops.

Power Generation

Steam-cycle pressure and temperature loops, feedwater control and renewable inverter station instrumentation.

Food & Beverage Process

Hygienic pressure and temperature transmitters with CIP/SIP cycles documented for the audit file.
The practical value was not another catalog download. It was a documented loop decision that our maintenance supervisor, QA reviewer and controls contractor could all sign off without another meeting.

Instrumentation reliability manager, regional chemical process group

Cut the loop between specification and process instrumentation delivery.

Send the range, media, output and approval region. Dwyer will turn it into a defensible shortlist.

Start a Lean RFQ