Honeywell 51451985-001 Temperature Transmitter Display Head Assembly

Product Description

The Honeywell 51451985-001 is a dedicated digital display head assembly for Honeywell temperature transmitters. It is designed to be installed inside the transmitter housing, featuring an LCD screen to display process temperature values and percentage output. It supports local on-site visual reading without handheld communicators, and works with matching temperature transmitter circuit boards. This compact display unit is widely used in industrial temperature measurement loops and is supplied as new surplus or fully tested refurbished spare parts for petrochemical, power and oil & gas field instrument maintenance and retrofit.

Product Functions

• Real-time display of measured temperature and 4-20mA output percentage on the LCD panel
• Local field indication for temperature transmitter calibration and inspection
• Directly assembled inside the transmitter housing, matched with Honeywell temperature transmitter core
• Low power consumption design, powered by the transmitter loop supply
• Visual status prompt for normal operation and fault conditions of the temperature loop
• Support field verification of transmitter output without additional HART communicator

Application Scenarios

• Petrochemical plant pipeline, reactor and furnace temperature measurement transmitters
• Oil & gas compressor stations and offshore platform temperature monitoring instruments
• Thermal power plant boiler, steam pipe and auxiliary equipment temperature sensors
• Chemical, pulp and paper continuous production temperature control loops
• Spare replacement and repair of existing Honeywell temperature transmitter display assemblies

FAQ