Description
Part Number: 7R2C
Measuring Principle:
Vortex
Product Headline:
Best-in-class accuracy with pipe reduction. Designed for easy energy management with integrated temperature and pressure measurement for steam and gases. Ideal for applications with very low or reduced flow.
Sensor Features:
- Cost and Time Savings: No pipework modifications required for line size reduction.
- High Accuracy: Maintains accuracy down to Re 10,000 with a highly linear vortex meter body.
- Long-Term Stability: Features a robust, drift-free capacitive sensor.
- Integrated Diameter Reduction: Accommodates 1 or 2 line size reductions.
- Nominal Diameter Compatibility: Suitable for mating pipes up to DN 250 (10″).
Transmitter Features:
- Cost and Time Efficiency: Eliminates the need for pipework modifications.
- Consistent Accuracy: Delivers high accuracy across a range of conditions.
- Long-Term Stability: Robust drift-free capacitive sensor ensures reliability.
- Flexible Pressure Cell Positioning: Allows for versatile installation.
Nominal Diameter Range:
DN 25 to 250 (1 to 10″)
Wetted Materials:
- Measuring Tube: 1.4408 (CF3M)
- DSC Sensor: 1.4404/F316/F316L
- Process Connection: 1.4404/F316/F316L
Measured Variables:
- Volume flow
- Mass flow
- Corrected volume flow
- Energy flow
- Heat flow difference
- Temperature
Max. Measurement Error:
- Volume Flow (Liquid): ±0.75%
- Volume Flow (Steam, Gas): ±1.00%
- Mass Flow (Saturated Steam): ±1.7% (temperature compensated); ±1.5% (temperature/pressure compensated)
- Mass Flow (Superheated Steam, Gas): ±1.5% (temperature/pressure compensated); ±1.7% (temperature compensated + external pressure compensation)
- Mass Flow (Liquid): ±0.85%
Measuring Range:
- Liquid: 0.1 to 540 m³/h (0.061 to 320 ft³/min), based on water at 1 bar a, 20 °C (14.5 psi a, 68 °F).
- Steam, Gas: 0.52 to 7300 m³/h (0.31 to 4300 ft³/min), depending on conditions such as steam at 180 °C, 10 bar a (356 °F, 145 psi a) and air at 25 °C, 4.4 bar a (77 °F, 63.8 psi a).
Max. Process Pressure:
PN 40, Class 300, 20K
Medium Temperature Range:
- Standard: –40 to +260 °C (–40 to +500 °F)
- High/Low Temperature (Option): –200 to +400 °C (–328 to +752 °F)
- High/Low Temperature (On Request): –200 to +450 °C (–328 to +842 °F)
Ambient Temperature Range:
- Compact Version (Standard): –40 to +80 °C (–40 to +176 °F)
- Compact Version (Option): –50 to +80 °C (–58 to +176 °F)
- Remote Version (Standard): –40 to +85 °C (–40 to +185 °F)
- Remote Version (Option): –50 to +85 °C (–58 to +185 °F)
Sensor Housing Material:
Sensor Connection Housing: AlSi10Mg, coated; 1.4408 (CF3M)
Transmitter Housing Material:
Transmitter Housing: AlSi10Mg, coated; 1.4404 (316L)
Degree of Protection:
- Compact Version: IP66/67, Type 4X enclosure
- Sensor Remote Version: IP66/67, Type 4X enclosure
- Transmitter Remote Version: IP66/67, Type 4X enclosure
Display/Operation:
4-Line Backlit Display with Touch Control (operation from outside). Configuration via local display and operating tools is possible. Remote display available.
Outputs:
4 Outputs:
- 4-20 mA HART (passive)
- 4-20 mA (passive)
- Pulse/frequency/switch output (passive)
Inputs:
Current Input: 4-20 mA (passive)
Digital Communication:
HART, PROFIBUS PA, FOUNDATION Fieldbus
Power Supply:
- DC 12 to 35 V: 4-20 mA HART with/without pulse/frequency/switch output
- DC 12 to 30 V: 4-20 mA HART, 4-20 mA
- DC 12 to 35 V: 4-20 mA HART, pulse/frequency/switch output, 4-20 mA input
- DC 9 to 32 V: PROFIBUS PA, pulse/frequency/switch output
Hazardous Area Approvals:
ATEX, IECEx, cCSAus, JPN, EAC, UK Ex
Product Safety:
CE, C-TICK, EAC
Functional Safety:
Functional safety according to IEC 61508, applicable in safety-relevant applications in accordance with IEC 61511.
Metrological Approvals and Certificates:
- Calibration: Conducted at accredited calibration facilities (acc. to ISO/IEC 17025).
- Heartbeat Technology: Meets measurement traceability requirements per ISO 9001:2015 – Section 7.1.5.2 a (TÜV SÜD attestation).
Marine Approvals and Certificates:
ABS, LR, BV, DNV
Pressure Approvals and Certificates:
PED, CRN, AD 2000
Material Certificates:
- 3.1 Material
- NACE MR0175/MR0103, PMI (on request)
- Welding Test: Available upon request for Class 900/1500, per ISO 15614‐1, similar to ASME IX
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