금속 멤브레인이 장착된 Cerabar PMP71 디지털 압력 트랜스미터는 일반적으로 액체 또는 가스의 압력, 레벨, 부피 또는 질량을 측정합니다. PMP71은 최대 700bar의 고압 어플리케이션에서 측정 가능하도록 설계되었습니다. SIL2 / 3 안전 시스템에서 사용하기 위해 IEC 61508에 따라 설계되었으며 상거래 공정에 적합한 MID 부품 인증서와 함께 사용할 수 있습니다.
두 챔버의 알루미늄 또는 스태인리스강(316L) 하우징
프로세스 커넥션: 쓰레드 및 플랜지 커넥션
프로세스 온도: -40 ~+125°C (-40 ~ +257°F)
측정 범위: -1/0 ~ 700bar (-15/0 ~ +10,500psi)
정밀도: ±0.05%, "고급(플래티늄)" ±0.025%
국제 방폭 인증서, 오버필 방지 WHG, 위생 승인, 선급 인증서, SIL
장점
최고의 정확성, 재현성 및 장기 안정성
SIL2 / 3적용 가능하며 gas tight feedthrough로 인한 최고의 안전성과 IEC 61508인증을 보유함
현장 기기 디스플레이, 4-20mA HART, PROFIBUS PA, FOUNDATION Fieldbus를 통해 쉬운 시운전 가능
The Egyptian government is working to replace liquid fuels with natural gas. To achieve this they targeted increasing the number of CNG stations in their country from 306 to 1000 by the end of 2021.
Digital transmitter with piezoresistive sensor and welded metallic membrane Modular transmitter Long term stability Enhanced safety via self diagnostic functionsSecondary process barrier
Supply voltage
4...20 mA HART 10,5...45V DC (Non Ex): Ex ia: 10,5...30V DC PROFIBUS PA: 9...32 V DC (Non Ex) FOUNDATION Fieldbus: 9...32 V DC (Non Ex)
Reference Accuracy
Standard: 0.05% Platinum: up to 0.025%
Long term stability
0.05 % of URL/ year 0.07 % of URL/ 5 years 0.1 % of URL/ 10 years
Process temperature
-40°C...125°C (-40°F...257°F)
Ambient temperature
-50°C...85°C (-58°F...185°F)
Measuring cell
400 mbar...700 bar (5.8 psi...10.500 psi) relative/ absolute
4...20 mA HART 1- 5V DC Low Power PROFIBUS PA FOUNDATION Fieldbus
Certificates / Approvals
ATEX, FM, CSA, CSA C/US, IEC Ex, JPN Ex, INMETRO, NEPSI, EAC, UK Ex
Safety approvals
SIL
Design approvals
EN10204-3.1 NACE MR0175
Marine approvals
GL/ABS
Drinking water approvals
NSF
Specialities
Diagnostic functions
Successor
PMP71B
측정 원리
Absolute and gauge pressure
Characteristic / Application
Digital transmitter with piezoresistive sensor and welded metallic membrane Modular transmitter Long term stability Enhanced safety via self diagnostic functions Secondary process barrier
Specialities
diagnostic functionalities different languages in software
Supply / Communication
4...20mA HART: 10,5...45V DC Ex ia: 10,5...30V DC PROFIBUS PA / FOUNDATION Fieldbus: 9...32V DC
Accuracy
Standard: 0.05% Platinum: up to 0.025%
Long term stability
0,05% of URL/year
Ambient temperature
-50°C...85°C (-58°F...185°F)
Process temperature
-40°C...125°C (-40°F...257°F)
Process pressure / max. overpressure limit
1050bar (15,750psi)
Pressure measuring range
400 mbar...700 bar (5.8 psi...10.500 psi)
Main wetted parts
Alloy C276 316L Rhodium
Process connection
Threads Flanges (DIN, ASME, ...) with flush membrane
Max. measurement distance
7000m (22.966ft) H2O
Communication
4...20 mA HART 1- 5V DC Low Power PROFIBUS PA FOUNDATION Fieldbus
HistoROM/M-Dat 4-line digital display SS- or Aluminiumhousing Separate housing
Successor
PMP71B
Application limits
Measuring cell: Metal welded If pressurized, possibly use differential pressure meas-urement with two pressure transmitters (electronic dp). Observe ratio head pressure : hydrostatic pressure
Description of Device Functions
HART (V02.10.54)
Cerabar S PM71 with MID Part Certificate
사용 설명서(BA)
영어 버전 - 04/2017
New version available in English
Pressure transmitter with metal sensors; Overload-resistant and function-monitored; Communication via HART; Subcomponent suitablefor custody transfer measurement with NMi approval