Horner Electric HE693THM668 — Thermocouple Input Module

Part number	HE693THM668
Brand	Horner Electric
Category	I/O Module
Description	Thermocouple Input Module
Manufacturer	Horner Electric
Product Type	Thermocouple Input Module
Product Line	PLC I/O
Part Number	HE693THM668
Weight	12.00 lbs (5.44 kg)
Power Consumption	200mA @ 5VDC
Operating Temperature	0 to 60 °C
Storage Temperature	-40 to 85 °C
Humidity	5% to 95% non-condensing
Channel-to-Channel Isolation	±250V AC
Backplane Isolation	±1500V AC
A/D Conversion Type	18-bit integrating
Scan Rate	41 channels per second
Connector Type	20-screw terminal block
Thermocouple Input Module	6
Thermocouple Types	Multiple (J, K, N, T, E, R, S, B, C)
Temperature Range	J: -210 to 760°C, K: -270 to 1372°C, N: -270 to 1300°C, T: -270 to 400°C, E: -270 to 1000°C, R: 0 to 1768°C, S: 0 to 1768°C, B: 0 to 1820°C, C: 0 to 2320°C
Resolution	0.5°C or 0.5°F
Accuracy	±0.5°C typical (J, K, N, T)

The HE693THM668 thermocouple input module by Horner Electric is optimized for accurate temperature measurement across various thermocouple types. This module supports multiple thermocouple types including J, K, N, T, E, R, S, B, and C, covering wide temperature ranges.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.