Manufacturer profile

About Omega

Reviewed 2026-07-26

Omega Engineering is a measurement and control company founded around temperature sensing and now represented in the DwyerOmega group of brands. Its catalog covers sensors, meters, controllers, recorders, loggers, and related instrumentation for laboratory, industrial, and process applications.

History

DwyerOmega's official Omega history says Betty Ruth Hollander founded Omega Engineering in 1962 at her kitchen table. The first product was an ultra-fine-gauge thermocouple that was not then commercially available. From that temperature-measurement beginning, Omega developed a broad direct-to-engineer catalog of sensing, instrumentation, and control products.

The current Omega brand page identifies temperature products such as thermocouples and resistance temperature detectors, along with pressure transducers, flow meters, load cells, data loggers, and temperature controllers. An acquisition announcement from Arcline in 2022 described Omega as a provider of more than 100,000 products spanning temperature, humidity, pressure, strain, force, flow, level, pH, conductivity, data acquisition, and heating.

Arcline announced in April 2022 that it would acquire Omega from Spectris and add it to the Dwyer group of companies. Current DwyerOmega material describes Omega Engineering as part of the DwyerOmega family of brands and continues to identify Omega Engineering, Inc. as an affiliated business unit. Because those sources do not cleanly establish the exact present legal-parent chain or a distinct current Omega headquarters, this draft leaves ownership status and headquarters unresolved.

Equipment specialties

  • Temperature sensors and thermocouples
  • Pressure, flow, and level measurement
  • Data acquisition and data logging
  • Process measurement and control
  • Load, force, strain, pH, and conductivity measurement

Sources

Omega document library

This manufacturer library groups 141 public technical documents across 127 models. Use the model list to find service manuals, calibration guides, user manuals, datasheets, and other preserved references for Omega equipment.

400B SERIES Digital Temperature Indicator Operator's 1 document
User Manual
450 Digital Thermometers 1 document
User Manual
868F Handheld RTD Thermometer 1 document
User Manual
CDH-287-KIT Portable Conductivity/Resistivity/TDS/Salinity Meter / Portable Conductivity Meter 2 documents
DatasheetUser Manual
CIO-DAS-TC 1 document
User Manual
CL-300 1 document
User Manual
CL23A Digital Calibrator Thermometer 2 documents
User Manual
CL3001 Lab Calibrator / Process Calibrator 2 documents
User Manual
CL309A Milliamp Loop Calibrator 1 document
User Manual
CL3512A Digital Thermometer & Calibrator 1 document
User Manual
CL3515R Calibrator Thermometer 1 document
User Manual
CL511 Precision Calibrator 1 document
User Manual
CL521 Temperature Calibrator/Thermometer 2 documents
User Manual
CL540 Series 1 document
User Manual
CL541-PLUS Field Calibrator 1 document
Calibration Manual
CL542 Thermocouple Calibrator 1 document
User Manual
CL543B Automated Thermocouple & RTD Calibrator 1 document
User Manual
CL8300 Series High Precision Calibrators 2 documents
User Manual
CL900 Calibrator and Reference Cell 1 document
User Manual
CL940A Digital Temperature Calibrator-Thermometer 1 document
User Manual
CN3800 Series Autotune Temperature / Process Controller 3 documents
User Manual
CNI8 Temperature & Process Controller 1 document
User Manual
CNi8 Temperature & Process Controller 1 document
User Manual
CSC32 Series Mini Benchtop Controller 1 document
User Manual
CT485B-110V-G-AL Temperature and Humidity Recorder 2 documents
User Manual
CTH100 Temperature and Humidity Recorder 1 document
User Manual
DFG81 Mechanical Force Gauges 1 document
User Manual
DMD-465 1 document
User Manual
DMD-465WB 1 document
User Manual
DMD-466 1 document
User Manual
DP119 Thermocouple Miniature Panel Thermometer 1 document
User Manual
DP20 Series 1 document
User Manual
DP21 Series Microprocessor-Based Digital Indicator 1 document
User Manual
DP25-S Strain Gage Panel Meter 1 document
User Manual
DP25B series Digital Panel Meters 1 document
Datasheet
DP25B-E Process Panel Meter 1 document
User Manual
DP41-S 1 document
User Manual
DP41-TC 1 document
User Manual
DP460 1 document
User Manual
DP81 Digital Process Indicators Operator's 1 document
User Manual
DP9800-TC 1 document
User Manual
DPG1000 Series Digital Pressure Gauges 1 document
Datasheet
DPG1000B-100G Digital Pressure Gauge 1 document
Datasheet
DPG1001 Series Digital Pressure Gauge 1 document
Datasheet
DPG104 Digital Pressure Gauge 1 document
User Manual
DPG4000 Digital Test Gauge 1 document
User Manual
DPG4000 Series Digital Pressure Gauge 1 document
Datasheet
DPG8001 General Purpose Digital Pressure Gauge 1 document
User Manual
DPG8001 Series Digital Pressure Gauge 1 document
Datasheet
DPG9030 Industrial Digital Pressure Gauges 1 document
Datasheet
DPG9031 Digital Industrial Gauge 1 document
User Manual
HH-21 Microprocessor Digital Thermometers User's 2 documents
User Manual
HH-21A Handheld Microprocessor Digital Thermometers 3 documents
User Manual
HH-25 Digital Thermometer 1 document
User Manual
HH-DM Distance Measuring Meter 1 document
User Manual
HH200A Handheld Thermometer User's 1 document
User Manual
HH309A Data Logger Thermometer 2 documents
DatasheetUser Manual
HH40 Series Handheld Thermistor Thermometer Operator's 1 document
User Manual
HH501AJK Digital Thermometer 1 document
User Manual
HH502 Digital Thermometer 1 document
User Manual
HH506R Digital Thermometer 1 document
User Manual
HH506RA Multi-Logger Thermometer 1 document
User Manual
HH508 Digital Thermometer 1 document
User Manual
HH611A Series Portable Microprocessor Thermocouple Thermometers 1 document
User Manual
HH801A Digital Thermometer 1 document
User Manual
HH804 Digital Thermometer 1 document
User Manual
HH82 Digital Thermometer 1 document
User Manual
HHF1000 SERIES Handheld Air Velocity/Temperature Meter 1 document
User Manual
HHF141 1 document
Datasheet
HHF141 Series 1 document
User Manual
HHF142 1 document
Datasheet
HHF142 Series 1 document
User Manual
HHF144 1 document
User Manual
HHF144A 1 document
Datasheet
HHF42 1 document
User Manual
HHF81 Light Meter / Thermometer 1 document
User Manual
HHM290 Multimeter 2 documents
User Manual
HHM59 Digital Clamp Meter 1 document
User Manual
HHP-103 1 document
User Manual
HHT13 1 document
User Manual
HHTQ35 Digital Torque Gauge 1 document
User Manual
HHTQ35 Series Handheld Digital Torque Gauges 1 document
Datasheet
iDRN-RTD 1 document
User Manual
iServer MicroServer 1 document
User Manual
LCCA Series 2 documents
Datasheet
LCKD/LCMKD Series 1 document
Datasheet
MDSi8 Benchtop Indicator 1 document
User Manual
Model 865 and 866 Digital Thermometers 1 document
User Manual
Model 871A 1 document
User Manual
OM-CP Data Logger 1 document
User Manual
OM-CP Series Data Logger 1 document
User Manual
OM-CP-PH101 Data Recorder 1 document
Instruction Manual Addendum
OM-CP-PRHTEMP101A Humidity & Temperature Data Logger 1 document
User Manual
OM-CP-PRHTEMP2000 and Pressure Data Logger 1 document
User Manual
OM-CP-RF Series Wireless Transmitters 1 document
User Manual
OM-CP-RFRHTemp2000A Wireless Temperature and Humidity Data Logger 1 document
User Manual
OM-CP-RHTemp2000 and Pressure Data Logger 1 document
User Manual
OM-DAQ-USB-2401 Multiple Channel USB Data Acquisition Module 1 document
User Manual
OM-DAQPRO-5300 1 document
User Manual
OM-EL-USB-2 1 document
User Manual
OM-EL-USB-2-LCD 1 document
Datasheet
OM-EL-USB-2-PLUS 1 document
User Manual
OM-EL-USB-TC-LCD Thermocouple Data Logger 1 document
User Manual
OM-HL-EH-TC Series Multi-channel Handheld Thermocouple Temperature Data Logger 1 document
User Manual
OM-HL-SP Series 1 document
User Manual
OM-PQR1010 Power Quality Recorder 1 document
User Manual
OM-THA2 1 document
User Manual
OM501 Multi-trend and Data Logger 1 document
User Manual
OMNICAL 4A Temperature Calibrators 1 document
User Manual
OS423-LS Non-contact Infrared Thermometer 1 document
User Manual
OS425-LS Non-contact Infrared Thermometer 1 document
User Manual
PCL1200 High Accuracy Multifunction Calibrator 1 document
User Manual
PX309 Series Pressure Transducer/Transmitter 1 document
Datasheet
RD-MV100 SERIES Recorder 1 document
Quick Reference
RD-MV200 Recorder 1 document
User Manual
RD3721 Flatbed Recorder 1 document
User Manual
RD8300 Recorder 1 document
User Manual
RDXL12SD Temperature Recorder 1 document
User Manual
RFExtender 1 document
User Manual
RH-10 Handheld Humidity Meters 1 document
User Manual
RH411 1 document
User Manual
RH520 Paperless Humidity/Temperature Chart Recorder 1 document
User Manual
RHXL5SD Handheld Temperature/Humidity Meter 1 document
User Manual
TC-08 Channel Thermocouple USB Data Acquisition Module 1 document
User Manual
TX82B Panel Mounted Current Loop Indicator 1 document
User Manual
USB-4718 Thermocouple Input Data Acquisition Module 1 document
User Manual
WTM-1000 1 document
User Manual