Allen-Bradley 1746-NT8 Thermocouple Module – 8-Channel

Allen-Bradley 1746-NT8 Thermocouple Module – Precision Temperature Measurement

Product Overview

The Allen-Bradley 1746-NT8 is a thermocouple input module for SLC 500 systems. It reads eight temperature sensors simultaneously. This module ensures accurate temperature monitoring in industrial applications.

Technical Specifications

• Brand: Allen-Bradley
• Model: 1746-NT8
• Series: SLC 500
• Type: Thermocouple/mV Analog Input Module
• Input Channels: 8 isolated channels
• Thermocouple Types: J, K, T, E, S, R, B, N
• mV Ranges: ±50mV, ±100mV
• Resolution: 16-bit input, 14-bit output
• Update Time: 356ms to 4.05 seconds
• Accuracy: ±1.72°C with CJC
• Input Impedance: >10 MΩ
• Isolation Voltage: 500V DC for 1 minute
• Backplane Current: 120mA at 5V DC, 70mA at 24V DC
• Operating Temperature: 0 to 60°C (32 to 140°F)
• Power Consumption: 2.28W maximum

Warranty & Shipping

This module includes a 12-month warranty. We ship worldwide via FedEx, UPS, and DHL.

Frequently Asked Questions

• What thermocouple types does it support?
  It supports J, K, T, E, S, R, B, and N type thermocouples.
• How often does it self-calibrate?
  Automatic self-calibration occurs every 2 minutes.
• Can I use mV sensors with this module?
  Yes, it supports ±50mV and ±100mV input ranges.
• What is the temperature accuracy?
  Accuracy is ±1.72°C with cold junction compensation.
• Is electrical isolation provided?
  Yes, 500V DC isolation between inputs and backplane.

Why Choose This Module

The 1746-NT8 offers reliable temperature monitoring. It supports eight different thermocouple types. The module includes automatic cold junction compensation. It ensures accurate readings in industrial environments.