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Features

Specifications

Product Name: Rosemount 644 Temperature Transmitter

Material: Aluminum, Stainless Steel

Power Supply: 12-42.4 VDC (minimum 10.5 VDC For Digital Only)

Ingress Protection: IP66/67

Sensor Input Channels: Single Sensor Input

Output Signal: 4-20 MA With HART 5/6/7

Mounting Options: Head Mount (644H), Rail Mount (644R)

Protocol Support: HART, FOUNDATION Fieldbus, PROFIBUS PA

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Emerson Rosemount 644 DIN Rail Transmitter

HART DIN Rail Temperature Transmitter

Basic Infomation

Place of Origin: China

Brand Name: Rosemount

Model Number: 644

Payment & Shipping Terms

Packaging Details: Carton + Wooden Box + Protection

Delivery Time: 90 working days

Payment Terms: T/T

Supply Ability: 1000 sets per year

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Emerson Rosemount 644 DIN Rail Temperature Transmitter HART For Petrochemical

Product Description

Emerson Rosemount 644 DIN Rail Temperature Transmitter HART for Petrochemical Industry

Product Overview

The Rosemount 644 is a high-precision DIN rail-mounted temperature transmitter designed for demanding petrochemical applications. It combines accurate temperature measurement with HART communication, enabling seamless integration into process control systems. Its robust design ensures reliable operation in harsh environments.

Key Features

High Accuracy: ±0.1°C precision for RTD/thermocouple inputs.
HART 7 Compatibility: Supports digital communication for remote configuration.
DIN Rail Mounting: Space-saving design for control panel installations.
Multi-Sensor Support: Accepts RTD (Pt100), thermocouples (J/K/T/E), and millivolt signals.
Environmental Durability: IP66/NEMA 4X protection against dust and moisture.
Advanced Diagnostics: Self-monitoring for sensor fault detection.

Technical Specifications

Attribute	Value
Product Name	Rosemount 644 Temperature Transmitter
Material	Aluminum, Stainless Steel
Power Supply	12-42.4 VDC (minimum 10.5 VDC for digital only)
Ingress Protection	IP66/67
Sensor Input Channels	Single sensor input
Output Signal	4-20 mA with HART 5/6/7
Mounting Options	Head mount (644H), Rail mount (644R)
Protocol Support	HART, FOUNDATION Fieldbus, PROFIBUS PA
Input Types	RTD (Pt100), Thermocouples (J/K/T/E), mV
Accuracy	±0.1°C (RTD), ±0.25% (TC)
Communication	HART 5/6/7
Mounting	DIN Rail
Power Supply	12-36V DC
Operating Temperature	-40°C to +85°C
Protection Class	IP66/NEMA 4X
Material	Aluminum Alloy (Corrosion-Resistant Coating)

Industrial Applications

Petrochemical reactor temperature monitoring
Distillation column control in oil refineries
Boiler and furnace temperature regulation
Pipeline thermal management in LNG plants

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Contact Person :	Mr. Edward Zhao
Tel :	+8615000725058

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