Thiết bị đo Rosemount 644 Temperature Transmitter , Hart Temperature Transmitter Field Mount
đại lý 644 | nhà phân phối 644
Rosemount 644 Temperature Transmitter Hart protocol Transmitter Sensor
All of Rosemount orders will be ordered acorring to your requirements!
1. Functional specifications
| Input | Dual and single sensor capability with universal sensor inputs (RTD, T/C, mV, ohms) |
| Output | Signal 4-20 mA /HART protocol, FOUNDATION fieldbus protocol, PROFIBUS PA protocol |
| Housing | Field mount, DIN A head mount or rail mount |
| Display/Interface | LCD Display or LCD Display with Local Operator Interface (LOI) |
| Diagnostics | Basic diagnostics, Hot Backup capability, sensor drift alert, thermocouple degradation, min/max tracking |
| Calibration Options | Transmitter-sensor matching (Callendar-Van Dusen constants), 5-point calibration |
| Certifications/Approvals | SIL 2/3 certified to IEC 61508 by an independent 3rd party, hazardous location, marine type, see full specs for complete list of certifications |
| Rosemount model | Power and sensor terminals |
| 644 Head (HART) | Captivated screw terminals permanently fixed to terminal block |
| 644 Head (F OUNDATION Fieldbus/PROFIBUS) | Compression screw terminals permanently fixed to the terminal block |
| 644 Field Mount (HART) | Captivate screw terminals permanently fixed to the terminal block |
| 644 Rail (HART) | Compression screw permanently fixed to front panel |
Description:
Rosemount 644 Family of Transmitters
Fit your needs within one model family with a customizable transmitter design
DIN Head mount, field mount, and rail mount form factors
4-20 mA/HART ® with Selectable Revisions, F OUNDATION ™ Fieldbus or PROFIBUS ® PA Protocol
support
SIL3 Capable: IEC 61508 certified by an accredited 3rd party agency for use in safety instrumented systems up to SIL 3 [Minimum requirement of single use (1oo1) for SIL 2 and redundant use (1oo2) for SIL 3] Enhanced display with Local Operator Interface (LOI)
LCD display
Integral Transient Protection
Enhanced accuracy and stability
Transmitter-Sensor Matching with Callendar Van Dusen constants
Variety of enclosures
Rosemount™ 644 Temperature Transmitter
Engineered for versatility, the Rosemount 644 Temperature Transmitter is available with HART®, FOUNDATION™ Fieldbus or PROFIBUS® protocols in head, field or rail mount styles and a variety of enclosure options. By adding a Local Operator Interface (LOI), you can update your transmitter configuration in the field without tools. For diverse application requirements, this transmitter includes diagnostic capabilities, such as Hot Backup™ capability, sensor drift alert and thermocouple degradation.
Rosemount 644 selection guide
1. Rosemount 644 HART Transmitters
2. Rosemount 644 F OUNDATION Fieldbus
3. Rosemount 644 PROFIBUS PA
Ordering Information( A part )
The Rosemount 644 is a versatile temperature transmitter that delivers field reliability and advanced accuracy and stability to meet demanding process needs.
Transmitter features include:
HART/4–20 mA with Selectable Revision 5 and 7 selectable (option code A), F OUNDATION Fieldbus (option code F) or PROFIBUS PA (option code W)
DIN A head mount, field mount, or rail mount transmitter styles
Dual sensor Input (option code S)
SIS SIL 2 Safety Certification (option code QT)
LCD display (option code M5)
LOI (option code M4)
Advanced diagnostics (option codes DC and DA1)
Enhanced transmitter accuracy and stability (option code P8)
Transmitter-Sensor Matching (option code C2)
Dimensional drawings ( A part )
If you need more order information , we can send you the complete datasheet.
Certifications:
1.Certificate of Origin
2.Calibration Certificate
3.Material Traceability Certification
Rosemount Temperature Transmitter 644 Pictures:
Rosemount items we sold before:
Good Service in WTL:
>We offer high quality, fast delivery, competitive price for Rosemount.
>Please send your RFQ to get the latest price.
>Normally, we will ship the items in 1-2 weeks after receive the payment.
>We can ship to you by UPS/DHL//EMS/Fedex. Please contact us and we will use your preferred ways.
>We have a large stock and the prices are variable, so sometimes the prices we post are not accurate. If needed, please contact us for specific prices.
Liability:
WTL is not liable for any personal injury or property damage resulting from the use of this equipment. It is
buyer’s responsibility as to the safe handling & operation of this equipment and to verify equipment is
compliance to their machinery.
Our Brands:
