Omron K3MA-L Temperature Meter User Manual

The K3MA-L temperature meter has a wide input range, from two types of platinum resistance thermometers and ten types of thermocouples. Front panel key operation for easy setting. Average processing function suppresses flicker. Temperature input shift and temperature unit selection functions. Easy confirmation of max/min display. Short 80 mm depth (measured from edge of face plate). Finger protective cover (standard equipment) protects against electric shock. Water- and dust-proof NEMA4X (IP66 equivalent) front panel. UL recognized, meets U.S. and Canadian requirements, with CE marking.


Omron K3MA-L Temperature Meter User Manual - cover page
Brand
Omron
Document type
User Manual
Language
English
Pages
16
File format
PDF
File size
620 KB
Published
03 May, 2012
Updated
01 October, 2023
MD5 checksum
A17310EF0E34A384CACF34061C77CC6F

About this manual

The K3MA-L is an industrial‑grade temperature meter with a highly visible LCD, dual‑color LEDs, and a wide input range supporting platinum‑resistance thermometers and ten types of thermocouples. It features front‑panel key operation, average processing to suppress flicker, and a water‑ and dust‑proof NEMA4X front panel.

This manual covers ordering information, electrical specifications, wiring diagrams, operation keys, parameter settings, mounting guidelines, noise‑prevention measures, and troubleshooting steps. Safety precautions, environmental limits, and service‑life recommendations are also detailed to ensure reliable long‑term use.

What's inside

  • Ordering Information
  • Specifications
  • Measuring Ranges
  • Operation
  • External Connections
  • Precautions
  • Mounting
  • Noise Prevention
  • Troubleshooting

Specifications

Supply voltage100 to 240 VAC
Dielectric withstand voltage2,000 VAC for 1 min
WeightApprox. 200 g
Relay contact output1 SPDT contact
Maximum contact voltage400 VAC, 150 VDC
Maximum contact current5 A (at COM terminal)
Switching capacity2,000 VA, 192 W
Operating humidity range25 % to 85 %

Frequently asked questions

How can I restore the K3MA‑L to its factory settings?

Press the Level Key for 3 seconds; the settings will be restored to the factory defaults.

Download PDF (620 KB)

More Omron Manuals


View all Omron manuals →