Rosemount 248HANANNS Head-Mount Temperature Transmitter, HART 4-20mA Universal RTD/Thermocouple Process Temperature Module

Rosemount 248HANANNS Universal Head-Mount Temperature Transmitter with HART Communication

Proven Field Benefits of Rosemount 248HANANNS for Process Industries

Versatile Multi-Sensor Compatibility

Rosemount 248HANANNS supports full-spectrum temperature sensor inputs to unify plant instrument configurations. The hardware accepts RTD, thermocouple, ohm and millivolt signals, eliminating the need for dedicated transmitters for different sensor types. Flexible input compatibility cuts spare part inventory and simplifies standardization across production lines.

High Precision and Long-Term Stability

Industrial-grade circuitry inside Rosemount 248HANANNS maintains measurement accuracy up to ±0.05% of calibrated span. Low ambient drift and rigid linearization algorithms preserve consistent readings across extreme temperature shifts. Minimal power supply interference and vibration resistance sustain reliable operation in harsh factory environments.

Smart Diagnostic and Remote Serviceability

Built-in monitoring functions detect sensor open circuits, short circuits and out-of-range signals automatically. HART protocol access enables remote calibration, parameter adjustment and fault auditing without physical unit contact. Fast issue identification reduces unplanned downtime and streamlines routine plant maintenance.

Official Datasheet Model Code Definition of Rosemount 248HANANNS

Full Suffix Configuration Breakdown

Every character in Rosemount 248HANANNS corresponds to factory-defined hardware and functional parameters, with no field-configurable modifications required. Each segment validates exact transmitter specifications for project bidding and system integration.

• 248H: Core platform, compact head-mount temperature transmitter form factor

• A: Standard universal sensor input, supporting RTD, thermocouple and mV signal types

• N: No local display, streamlined lightweight structure for tight sensor head installations

• A: Standard 4-20mA plus HART digital communication output protocol

• N: Non-hazardous general-purpose build with standard industrial ingress protection

• N: No additional factory calibration or specialized feature upgrades

• S: Standard ambient operating temperature rating for global industrial deployment

Electrical and Operational Performance Parameters

Power and Output Specifications

Rosemount 248HANANNS operates on 10.5V DC to 45V DC supply voltage, fitting common industrial two-wire loop power setups. Isolated 4-20mA analog output provides linearized temperature data for PLC and DCS system acquisition. Superimposed HART signals carry digital diagnostic and configuration data over the same wiring loop.

Temperature Measurement Range

Sensor input coverage spans -200°C to 850°C for supported RTD and thermocouple types. Ambient working tolerance extends from -40°C to 85°C, adapting to outdoor facilities, furnace peripherals and unconditioned cabinet spaces. Rapid 0.5-second update rate ensures responsive process variable tracking.

Mechanical Build and Environmental Adaptability

Compact Head-Mount Structure

Lightweight miniature design suits direct installation inside standard sensor connection heads. Small footprint avoids mechanical interference with field sensors and mounting hardware. Optional DIN rail mounting expands layout flexibility for cabinet-based integration scenarios.

Industrial Environmental Resistance

IP66 ingress protection defends internal circuits against dust and moisture intrusion. Strict EMC compliance suppresses electromagnetic interference from adjacent motors and power equipment. Structural reinforcement eliminates performance deviation under regular operational vibration.

Industrial Application Scenarios

Rosemount 248HANANNS serves temperature regulation and monitoring tasks across chemical processing, power generation, water treatment and manufacturing plants. The unit excels in general process temperature loops, auxiliary equipment condition tracking and standardized field instrument retrofit projects.