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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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Rosemount 644 Temperature Transmitter

Process Control 644 Temperature Transmitter

Temperature Transmitter with HART Communication

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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Rosemount 644 Temperature Transmitter with HART Communication for Process Control

Product Description

Rosemount 644 Temperature Measurement Multifunctional Temperature Sensor Transmitter with HART

Product Overview

The Rosemount 644 is a multifunctional temperature transmitter optimized for process control industries. It supports HART communication, multi-sensor inputs, and advanced diagnostics, making it ideal for applications requiring high reliability and flexibility.

Key Features

Multifunctional Input: Compatible with RTD, thermocouple, and mV signals
HART Integration: Enables remote calibration and configuration
High Reliability: Dual-compartment design for enhanced EMI/RFI shielding
User-Friendly Interface: Local LCD display for parameter adjustment
Global Certifications: ATEX, IECEx, and SIL 2/3 approvals
Wide Temperature Range: -40°C to +85°C operation

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)
Display	Local LCD (4-digit)
Safety Certifications	ATEX, IECEx, SIL 2/3
Housing Material	316L Stainless Steel
Weight	300g

Typical Applications

Power plant boiler temperature control
Pharmaceutical sterilization processes
Food and beverage pasteurization systems
Metal heat treatment furnaces

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Contact Person :	Mr. Edward Zhao
Tel :	+8615000725058

Rosemount 644 Temperature Transmitter with HART Communication for Process Control

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