Rosemount 644 HART Temperature Transmitter
Rosemount

Rosemount 644 HART Temperature Transmitter

Part number644HAN5Q4NAM5B4J1Item numberCB-ROS-002HS code9031.80
IPIP66/IP67SIL2/SIL3 (IEC 61508) / ATEX Ex ia / FM / CSA
MOQ:1

Pricing

Request a quote

We reply within 24 hours

Product Description

Rosemount 644HAN5Q4NAM5B4J1 Head-mounted HART temperature transmitter for RTD/TC/Ohm input, 4-20 mA output. SIL2 capable.

Technical Specifications

IP rating
IP66/IP67
Approval
SIL2/SIL3 (IEC 61508) / ATEX Ex ia / FM / CSA
Standards
IEC 61508
Approvals
CSA, ATEX, FM
HS code
9031.80

Standards & Compliance

IP Rating
IP66/IP67
Classification / Approval
SIL2/SIL3 (IEC 61508) / ATEX Ex ia / FM / CSA
HS Code
9031.80

Product Documentation

Document preview: Rosemount 644 Temperature Transmitter — Product Data Sheet

Catalogue entry last verified: 2026-08-29. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.

Frequently asked questions

Where can I buy 644HAN5Q4NAM5B4J1?
644HAN5Q4NAM5B4J1 can be ordered from cballast.com as a Rosemount catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
What is the manufacturer part number for this Rosemount product?
The manufacturer part number is 644HAN5Q4NAM5B4J1.
What is the HS code for 644HAN5Q4NAM5B4J1?
The customs tariff (HS) code for 644HAN5Q4NAM5B4J1 is 9031.80.
Who manufactures 644HAN5Q4NAM5B4J1?
644HAN5Q4NAM5B4J1 is a Rosemount product in the Sensors & Instrumentation range.
Is a datasheet available for 644HAN5Q4NAM5B4J1?
Yes — the 644HAN5Q4NAM5B4J1 datasheet can be viewed and downloaded on this page.
What is the minimum order quantity for 644HAN5Q4NAM5B4J1?
The minimum order quantity is 1.
Is 644HAN5Q4NAM5B4J1 available?
Yes — 644HAN5Q4NAM5B4J1 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).