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Rosemount 644 Temperature Transmitter

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Achievers Automation Limited

City: hong kong

Country/Region:china

Tel:86--13828861501

Contact Person:
Ms.Joanna Yang View Contact Details

Rosemount 644 Temperature Transmitter

Brand Name	Rosemount
Model Number	644
Certification	ATEX
Place of Origin	USA
Minimum Order Quantity	1
Price	Negotiable
Payment Terms	T/T,XT,ALIPAY
Supply Ability	100pcs per month
Delivery Time	Negotiable
Packaging Details	carton
Communication	HART 5/7 protocol
Enclosure Rating	NEMA 4X / IP66
Input Types	RTDs (Pt100); Thermocouples (J, K, T, E, N, R, S, B)
Output Signal	4-20 mA with HART 5/7 Protocol
Accuracy	Up to ±0.05% of Span
Ambient Temperature	-40 °C to 85 °C (-40 °F to 185 °F)

Detailed Product Description

Rosemount 644 Temperature Transmitter

Product Description

The Rosemount 644 Temperature Transmitter is a robust, high-performance two-wire transmitter designed for reliable temperature measurement across a wide range of industrial processes. It accepts inputs from various RTDs and thermocouples, delivering a highly accurate 4-20 mA HART output. Engineered for durability, it operates effectively in harsh environments, featuring a NEMA 4X (IP66) enclosure and resilience to wide ambient temperature swings and vibration. Key strengths include its intuitive configuration via local pushbuttons or HART communicator, advanced diagnostics for monitoring sensor health, and global safety certifications for hazardous areas. By ensuring precise, stable measurements with minimal long-term drift, the Rosemount 644 is a trusted solution for enhancing process control, efficiency, and safety in industries such as oil & gas, chemical, power generation, and pharmaceutical.

Key Features

High Accuracy: Delivers precise temperature measurements to ensure optimal process control and product quality.
Robust Design: Built to withstand harsh industrial environments, including wide ambient temperature ranges and significant vibration.
Intuitive Configuration: Simple setup and configuration using the local pushbuttons or via the HART® communication protocol.
Advanced Diagnostics: Features built-in diagnostics to monitor sensor and loop health, helping to prevent unplanned downtime.
Global Safety Certifications: Compliant with international standards (e.g., ATEX, IECEx, FM) for safe use in hazardous areas.
Long-Term Stability: Minimizes drift over time, reducing the need for frequent recalibration and maintenance.

The Rosemount 644 Temperature Transmitter is a high-performance, two-wire transmitter designed for reliable and accurate temperature measurement in a wide range of industrial applications. It is known for its robust construction, ease of use, and advanced diagnostics, making it a trusted choice for process control and monitoring.

Technical Specifications

Model	Rosemount 644 (HART)
Input	RTDs (Pt100), Thermocouples (Type J, K, T, E, N, R, S, B)
Output	4-20 mA HART®
Accuracy	Up to ±0.05% of span (dependent on sensor type)
Ambient Temperature	-40°C to 85°C (-40°F to 185°F)
Display	Optional, configurable local display

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About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL and EMERSON to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

Frequently Asked Questions

Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

Product Tags: Rosemount 644 temperature transmitter Pepperl Fuchs safety barrier temperature transmitter with warranty

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