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Flange type differential pressure transmitter
The Rosemount Instrumentation Specialty 3051LT flange differential pressure transmitter is used to measure the pressure of liquids, gases, or vapors a
Product details
1、 Product Overview
A flange type differential pressure transmitter is used to measure the pressure of liquids, gases, or vapors and convert it into a 4-20mADC current signal output. The flange type differential pressure transmitter can also communicate with the HART275 handheld controller for setting, monitoring, etc. The flange type differential pressure transmitter adopts advanced microprocessing technology and digital communication technology. In addition to all the conventional intelligent functions, it also has a series of enhanced features, such as zero point automatic adjustment, remote on-site control parameter viewing and adjustment, control parameter password locking, etc. At the same time, remote parameter setting, remote control, self diagnosis and other functions are performed through the fieldbus HART protocol.
A flange type differential pressure transmitter is used to measure the pressure of liquids, gases, or vapors and convert it into a 4-20mADC current signal output. The flange type differential pressure transmitter can also communicate with the HART275 handheld controller for setting, monitoring, etc. The flange type differential pressure transmitter adopts advanced microprocessing technology and digital communication technology. In addition to all the conventional intelligent functions, it also has a series of enhanced features, such as zero point automatic adjustment, remote on-site control parameter viewing and adjustment, control parameter password locking, etc. At the same time, remote parameter setting, remote control, self diagnosis and other functions are performed through the fieldbus HART protocol.
2、 Product Features
Output: 2-wire system, 4-20mA DC output, digital communication, programmable linear or square root output mode, HART protocol loaded on 4-20mA DC signal.
Transmitter power supply voltage: Operating state: 10.5-42V DC
Digital communication: 16.4~42V DC
Intrinsic safety type: 16.4~30V DC
Load of flange differential pressure transmitter: (when output signal codes are D and E): Working state: 0-1335 Ω Digital communication: 250-600 Ω
HART communication distance: When using multi-core twisted pair cables, the maximum communication distance can reach 2Km. The communication distance of pressure transmitters varies depending on the type of cable. The formula is as follows: L=/(R × C) - (C1+10000)/C
L=length (m and ft)
R=Impedance (Ω, including power impedance)
C=Cable capacitance (pF/m or pF/ft)
C1=maximum parallel capacitance (pF/m or pF/ft)
Damping time constant of flange mounted differential pressure transmitter: the sum of damping time constants of amplifier components and diaphragm box. The constant can be adjusted within the range of 0.2 to 64 seconds.
Environmental temperature:- 40-85 ℃ (-40~185 ° F) -30~80 ℃ (-22~176 ° F) [with LCD meter head]
Liquid contact temperature:- 40～120℃(-40～248?F)
Reference accuracy for range adjustment: (including linearity, hysteresis, and repeatability from zero): ± 0.1%
Stability: ± 0.1% range upper limit/12 months
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