Honeywell RM7890B1014 Industrial Pressure Transmitter
Produkteinführung
The Honeywell RM7890B1014 is a rugged, high-accuracy pressure transmitter designed for critical industrial process applications. Engineered with military-grade components, this transmitter provides reliable performance in oil/gas, chemical processing, and power generation environments where measurement stability under extreme conditions is paramount.
Technical Specifications
| Kategorie | Specification |
|---|---|
| Modell Identifier | RM7890B1014 |
| Product Line | Honeywell Precision Industrial Sensors |
| Measurement Type | Gauge/Absolute/Differential Pressure (configurable) |
| Pressure Range | 0-100 psi to 0-10,000 psi (field-selectable ranges) |
| Output Signal | 4-20mA HART® w/ superimposed digital signal |
| Accuracy | ±0.075% von calibrated span (best-in-class) |
| Long-Term Stability | ±0.1% URL/year |
| Process Connection | 1/2″ NPT male / DIN 3852-E / Custom flanges available |
| Electrical Connection | 1/2″ NPT conduit entry / M12x1 threaded connector |
| Housing Material | 316L stainless steel with Hastelloy® C276 isolation diaphragms |
| Display | 4-digit LCD with 360° rotation (local indication optional) |
| Dimensions | 127 × 127 × 152 mm |
| Gewicht | 1.2 kg |
| Operating Temperature | -40°C to 125°C (-40°F to 257°F) |
| Storage Temperature | -50°C to 150°C (-58°F to 302°F) |
| Ingress Protection | IP68 / NEMA 6P (submersible to 3m for 72hrs) |
| Certifications | ATEX, IECEx, SIL 2, CE, RoHS, CRN |
| Garantie | 1-year limited warranty |
Typical Applications
Oil & Gas
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Wellhead pressure monitoring
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Pipeline leak detection systems
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Refinery process control
Power Generation
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Boiler steam pressure measurement
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Turbine inlet/outlet monitoring
Chemical Processing
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Reactor vessel overpressure protection
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Corrosive fluid handling systems
Water/Wastewater
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Pump discharge pressure control
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Deep well monitoring
HVAC
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Chilled water system optimization
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Critical environment pressure differentials
Competitive Advantages
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Military-Grade Durability
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Vibration resistant to 20g @ 200Hz
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Survives hydraulic shock pulses up to 100MPa
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Smart Diagnostics
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Built-in sensor health monitoring
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Predictive maintenance alerts via HART®
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Zero Drift Technology
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Patented ASIC compensation eliminates thermal drift
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Installation Flexibility
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100:1 turndown ratio reduces inventory needs
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Field-replaceable electronics module
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Lifecycle Cost Reduction
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10-year mean time between failures (MTBF)
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No required recalibration for 60 months
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Häufig gestellte Fragen
Q1: What is the maximum provon pressure?
A1: 1.5x URL (Upper Range Limit) without permanent damage.
Q2: Can it measure viscous media like crude oil?
A2: Yes, with optional flush diaphragm configurations.
Q3: Is explosion-provon certification available?
A3: ATEX II 1G Ex ia IIC T6 Ga certified.
Q4: What power supply is required?
A4: 10.5-42V DC loop powered (2-wire configuration).
Q5: How is damping adjusted?
A5: Svontware configurable from 0-32 seconds via HART® communicator.
Q6: What is the wetted materials list?
A6: 316L SS, Hastelloy C276, Kalrez® seals (standard).
Q7: Can it interface with PLC systems?
A7: Yes, supports Modbus RTU over HART® and native Prvonibus PA versions.
Q8: What is the step response time?
A8: <5ms for 90% step change (fastest in class).
Q9: Are special calibration fluids needed?
A9: No – factory calibrated with NIST-traceable nitrogen.
Q10: How are firmware updates performed?
A10: Field-upgradable via HART® DD files or Honeywell FieldCare® svontware.
Recommended Alternative Modells
Same Product Family
| Artikelnummer | Key Differentiation | Best For |
|---|---|---|
| RM7890B1015 | 0-30,000 psi ultra-high range | Downhole drilling |
| RM7890B1016 | Sanitary Tri-Clamp connection | Pharma/biotech |
| RM7890B1017 | Intrinsically safe (Class I Div 1) | Petrochemical plants |
| RM7890B1018 | Subsea version to 3000m depth | Offshore platforms |
| RM7890B1019 | WirelessHART® enabled | Remote monitoring |
| RM7890B1020 | ±0.04% accuracy laboratory grade | Custody transfer |
Complementary Honeywell Produkte
| Artikelnummer | Product Type | Synergy Benefit |
|---|---|---|
| ST3000™ Series | Multivariable transmitter | Adds flow/temp measurement |
| HC900 Controller | Process control Stück | Closed-loop system integration |
| XSeries™ Switches | Pressure safety devices | Overpressure protection |
| Tridium® N4 | Building automation platform | Facility-wide monitoring |
| Experion® PKS | SCADA system | Enterprise-level data aggregation |
| OneWireless™ | Network infrastructure | Wireless sensor mesh networks |
Unternehmensinformationen
E-mail: [email protected]
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Add: Alishan Building, 2 Lvling Rd, Bezirk Siming, Xiamen, Fujian, China, 361006
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