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Help CenterE+H FMD71differential Pressure Transmitter 4-20ma
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E+H FMD71differential pressure transmitter 4-20ma
1. Product Description:
The electronic dp Deltabar FMD71 is a differential pressure system, used to measure the pressure or level, volume or mass of liquids in pressurized tanks or distillation columns/evaporators. The high pressure sensor (HP) measures the hydrostatic pressure. The low pressure sensor (LP) measures the head pressure. The level is calculated in the transmitter using these two digital values. The electronic dp system eliminates issues of traditional differential pressure measurements.
2. Benefits:
Eliminates traditional mechanical issues resulting in greater process availability and reliability
Overload-resistant high purity ceramic sensor (99.9% Al2O3)
Safety risks are minimized with the new electronic differential pressure system architecture and design
Lowest total cost of ownership due to reduced installation time, maintenance, downtime and spare requirements
Multivariable level measurement: HART-based differential pressure, head pressure and sensor temperatures from one system
Continuous health indication of the entire system via HART-based diagnostic
High reproducibility and long-term stability
3. Feild of Applications:
For differential pressure, level, volume or mass measurement of liquids in pressurized tanks and distillation columns/evaporators.
Process connections: Threads, flanges and hygienic connections
Process temperature: -40 up to +150°C (-40 to +302°F)
Measuring range: 100mbar to +40bar (6 to 600psi)
Accuracy: Single sensor up to ±0.05%, system up to ±0.07%
International explosion protection certificates, hygienic approvals
4. Specifications
| Measuring Principle | Differential pressure | |
| Characteristic | Electronic differential pressure transmitter with ceramic sensor (Ceraphire) for level, volume or mass measurement in liquids. | |
| Supply voltage |
4...20 mA HART: 12...45V DC (Non Ex) Ex ia: 12...30V DC |
|
| Reference Accuracy |
0.075% of individual sensor, "PLATINUM" 0.05% of individual sensor |
|
| Long term stability | 0.05% of URL/year of individual sensor | |
| Process temperature |
–25...+150°C (–13...+302°F) |
|
| Ambient temperature |
–40...+80°C (–40...+176°F) |
|
| Measuring cell |
100 mbar...40 bar (1.5 psi...600 psi) |
|
| Vacuum resistance | 0 mbar abs. | |
| Max. Turn down | 100 : 1 | |
| Max. overpressure limit | 60 bar (900 psi) | |
| Process connection |
Threads Flansch (DIN, ASME, JIS) |
|
| Hygienic |
DIN11851 DIN11864-1 Tri-Clamp DRD Varivent |
|
| Material process membrane |
Ceramic 316L, AlloyC |
|
| Material gasket | Viton, Kalrez, EPDM, NBR, Silicone | |
| Fill fluid | Silicone Oil | |
| Material housing |
Die-cast aluminum Stainless steel |
|
| Communication |
4...20 mA HART |
|
| Certificates / Approvals |
ATEX, FM, CSA, IECEx |
|
| Design approvals |
NACE MR0175, EN10204-3.1, |
|
| Hygienic approvals |
EHEDG, 3A |
|
5. About us:
Xi'an XK Sensor Equipment Co,Ltd is located in Xi'an city, which is China's instrument authoritative research and development center, mainly engaged in four categories products:
Press Transmitter Branch: Rosemount, Yokogawa, ABB, SIEMENS, E+H, Honeywell.
Temperature Transmitter Branch: Rosemount, Yokogawa, Honeywell, E+H, ABB
Flow meter Branch: Rosemount, Yokogawa, Honeywell, E+H, ABB
Valve Positioner Branch: YTC, FISHER, SIEMENS, YAMATAKE, ABB, KOSO, YTC
We look forward to establishing long-term business relationship with you!
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