Omron K3TE-V315

Technical Dossier

Product Details And Specifications

OMRON K3TE Series Technical Notes

The OMRON K3TE series is a line of compact digital panel meters engineered for precision measurement and display of process variables in heavy industrial environments. Deployed across chemical processing plants, petroleum refineries, power generation facilities, and nuclear utility infrastructure, the K3TE series occupies a critical role in panel-level instrumentation where reliable real-time readout of voltage, current, temperature, and frequency is non-negotiable. Its DIN-rail-compatible form factor and broad input range compatibility have made it a standard specification in control panel builds across Asia-Pacific, Europe, and the Americas for over two decades. The K3TE-V315 specifically handles AC voltage measurement and remains one of the most widely installed variants in legacy SCADA and DCS panel assemblies.

The Evolution of K3TE Architecture

The K3TE series was introduced by OMRON as a successor to earlier analog panel instrumentation, providing digital readout accuracy in a compact 48×24mm front-panel footprint. Early variants focused on single-input DC voltage and current measurement. Subsequent revisions expanded the input range to cover AC voltage (V3xx), AC/DC current (A3xx), temperature via thermocouple and RTD (T3xx), frequency (F3xx), and process signal (4–20mA / 1–5V) inputs. The architecture relies on a dedicated A/D conversion front-end, a 3½ or 4-digit LED display, and configurable alarm relay outputs on select models. Compatibility across the K3TE range is governed by the input type suffix and power supply suffix — mixing incompatible variants in the same panel bus is a known integration risk in retrofit projects. As the K3TE series has entered its mature/end-of-life phase, OMRON's current recommended migration path is toward the K3HB and K3MA series for new installations. However, the installed base of K3TE units in operational facilities remains substantial, and direct replacement sourcing continues to be the primary maintenance strategy for facilities that cannot justify a full panel retrofit.

K3TE Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the OMRON K3TE series, organized by input/function category. Each model is a discrete, independently orderable unit.

AC Voltage Input Models

• K3TE-V315: AC voltage input, 100–240VAC range, 3½-digit LED display, panel mount
• K3TE-V115: AC voltage input, 0–199.9V range, compact 48mm housing, single alarm output
• K3TE-V215: AC voltage input, 0–500V range, dual setpoint relay, DIN48 format
• K3TE-V415: AC voltage input, 0–600V range, high-range industrial panel meter

DC Voltage Input Models

• K3TE-VD115: DC voltage input, 0–199.9VDC, single relay alarm, 100–240VAC supply
• K3TE-VD215: DC voltage input, 0–500VDC, dual relay, panel-mount DIN format

AC/DC Current Input Models

• K3TE-A115: AC current input, 0–19.99A, external CT compatible, 3½-digit display
• K3TE-A215: AC current input, 0–199.9A, high-current range, relay alarm output
• K3TE-AD115: DC current input, 0–19.99A, shunt resistor input, single alarm
• K3TE-AD215: DC current input, 0–199.9A, dual setpoint, DIN48 housing

Temperature Input Models

• K3TE-T115: Thermocouple input (K/J type), –199 to +999°C range, 3½-digit LED
• K3TE-T215: RTD (Pt100) input, –199 to +600°C, dual alarm relay, panel mount
• K3TE-T315: Thermocouple input (K type), high-temperature range, single relay output

Frequency Input Models

• K3TE-F115: Frequency input, 10Hz–9999Hz range, 4-digit LED display, relay alarm
• K3TE-F215: Frequency/RPM input, pulse signal compatible, dual setpoint relay

Process Signal (4–20mA / 1–5V) Models

• K3TE-P115: 4–20mA process input, scalable display, single alarm relay, DIN48
• K3TE-P215: 1–5VDC process input, engineering unit scaling, dual relay output