Rosemount HART 475 Field Communicator

Rosemount 475 Field Communicator — Emerson-Rosemount handheld HART / FOUNDATION Fieldbus configurator. Limited original stock available.

The Rosemount 475 is the handheld field communicator used worldwide to configure, commission, and troubleshoot HART and FOUNDATION Fieldbus devices — pressure transmitters, flowmeters, level gauges, temperature transmitters, valves, and positioners. Sino-Inst supplies original Emerson 475 units plus all compatible HART instruments and accessories.

Features of the Rosemount 475 Field Communicator

• Dual protocol support — Works with all HART® and FOUNDATION Fieldbus devices from 300+ manufacturers, covering 1,000+ device types.
• Field-upgradeable — Download the latest HART and FOUNDATION Fieldbus DD files over the internet and upgrade the unit on-site without shipping it back.
• Intrinsically safe certification — Only handheld that meets ATEX, CENELEC, FM, CSA, and FISCO intrinsic safety requirements for use in Zone 0/1/2 hazardous areas.
• Color touchscreen — 8.9 cm 1/4 VGA (240 × 320) color display with automatic dimming for outdoor readability.
• Rugged design — IP51 front rating, survives 1 m drop onto concrete, rated for -10 °C to 50 °C operation.
• AMS Device Manager compatible — Transfers configuration data directly to and from Emerson AMS software via infrared or USB.
• Easy Upgrade Option — 3-year subscription includes unlimited system-card upgrades as new device drivers are released.

Technical Parameters

Processor	80 MHz Hitachi SH3
Display	1/4 VGA (240 × 320), 8.9 cm color touchscreen, auto-dimming
Built-in memory / RAM	32 MB / 32 MB
System card	1 GB or higher SD card
Interface	3 × 4 mm banana jacks (HART / Fieldbus)
Infrared port	115 kbs/s, max 30 cm
Keyboard	25 keys (4 operation, 12 alpha, 4 shoulder, 4 function, power)
Battery	Rechargeable lithium-ion, ~20 h runtime, 100–240 VAC charger
Charger socket	Mini DIN 6-pin
Operating temperature	-10 °C to +50 °C
Storage temperature	-20 °C to +55 °C (with battery); -20 °C to +60 °C (without)
Humidity	0–95 % non-condensing
Ingress protection	IP51 (front)
Drop resistance	1 m onto concrete
Weight	~0.9 kg (incl. battery)
Hazardous area approval	ATEX, CENELEC, FM, CSA, FISCO (intrinsically safe)

Rosemount 475 Working Principle

The 475 connects in parallel to a 4–20 mA loop carrying a HART-compatible instrument, or to a FOUNDATION Fieldbus segment. HART signalling superimposes a 1200 / 2200 Hz FSK waveform on top of the analog current, letting the communicator read and write device parameters without disturbing the primary measurement.

Once connected, the 475 loads the device’s DD (Device Description) from its system card, displays the live readings, and lets the technician configure range, damping, units, tag, and all device-specific settings. Configuration data can be saved, copied between identical devices, or exported to AMS Device Manager.

Compatible with HART 275, HART 375, and all imported / domestic devices running HART protocol on 1151, 3051, EJA, ABB, and similar platforms.

Models and Configuration Options

The most commonly supplied 475 part numbers:

Model number	Description
475HP1ENA9GM9	Basic — HART only, English, no certification
475HP1ENAUGM9	HART only, English, 3-year Easy Upgrade
475HP1EKL9GM9	HART, intrinsically safe (FM/CENELEC/ATEX/CSA + FISCO)
475HP1EKLUGM9	HART, intrinsically safe + 3-year Easy Upgrade
475FP1EKLUGM9	HART + FOUNDATION Fieldbus, intrinsically safe, 3-year upgrade

The 475 part number is built up from digit groups — use this legend to decode any variant:

Position	Code	Meaning
Protocol	H / F	HART only / HART + FOUNDATION Fieldbus
Battery	P	Rechargeable Li-ion pack
Power supply	1 / 9	Charger included (0–24 VAC, US/UK/EU plugs) / excluded
Language	E / D / J / R	English / German / Japanese / Russian
Certification	KL / NA	FM + CENELEC/ATEX + CSA IS (incl. FISCO) / No certification
Upgrade	U / 9	3-year Easy Upgrade / excluded
Mode	GM	Graphics Enhanced + Configuration Management
Bluetooth	T / 9	With Bluetooth / without
Accessory	A / S	Spare Li-ion battery / Standard rubber boot

Applications

The Rosemount 475 is used across process industries wherever HART or FOUNDATION Fieldbus instruments are deployed:

• Commissioning new pressure, level, flow, and temperature transmitters — range setting, zero/span trim, tag and LRV/URV configuration.
• Routine plant maintenance and fault diagnosis on HART instrument loops.
• Calibration support: reading primary variable, injecting simulated outputs, verifying loop integrity.
• Valve and positioner configuration on HART- and Fieldbus-based control valves.
• Bulk cloning of configuration from one transmitter to many identical spares.
• Fieldbus segment diagnostics: signal level, noise, and wiring checks on FF H1 networks.

Frequently Asked Questions

Is the Rosemount 475 still manufactured?

Emerson discontinued new 475 production and shifted its handheld roadmap to the AMS Trex. Sino-Inst holds original Rosemount 475 stock in limited quantities. For long-term support, we also supply the AMS Trex and the HART 375 as direct alternatives.

What is included in a standard 475 order?

Each unit ships with the Rosemount 475 communicator, Li-ion battery pack, charger with US/UK/EU plug options, system card loaded with current DD files, test leads with 4 mm banana connectors, rubber protective boot, and quick-start guide. Calibration certificate on request.

Lead time and shipping?

In-stock units ship in 3 business days via DHL/FedEx to 80+ countries. Lithium battery regulations require air freight. Each unit comes with a 6-month workmanship warranty; Easy Upgrade licences (where applicable) are transferred to the buyer’s name.

Related HART Communicator Products

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Send us your required 475 part number (or describe the protocols and hazardous-area rating you need) and we will respond within one business day with availability, pricing, and lead time. Contact support@drurylandetheatre.com or use the form below.

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