Description
Part Number: 7D2C
Measuring Principle:
Vortex
Product Headline:
Cost-effective wafer flowmeter, available as compact or remote version. Integrated temperature measurement for mass/energy flow of saturated steam. Ideal for basic applications and direct replacement of orifice plates.
Sensor Features:
- Easy Alignment: Includes centering rings for straightforward installation.
- High Availability: Proven robustness with resistance to vibrations, temperature shocks, and water hammer.
- Long-Term Stability: Robust, drift-free capacitive sensor ensures reliable performance.
- Compact Design: Face-to-face length of just 65 mm (2.56 in) with no flanges required.
- Lightweight Construction: Low weight facilitates easier installation.
Transmitter Features:
- Convenient Wiring: Separate connection compartment simplifies installation and maintenance.
- Safe Operation: Touch control display with background lighting eliminates the need to open the device.
- Integrated Verification: Heartbeat Technology for diagnostics and monitoring.
- Data Transfer: Display module features a data transfer function for efficient process management.
- Robust Housing: Dual-compartment housing designed for durability and safety.
- Plant Safety: Certified with worldwide approvals including SIL and hazardous area certifications.
Nominal Diameter Range:
DN 15 to 150 (½ to 6″)
Wetted Materials:
- Measuring Tube: 1.4408 (CF3M)
- DSC Sensor: 1.4435 (316/316L)
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 (Liquid): ±0.85%
- Mass Flow (Steam, Gas): ±1.7%
Measuring Range:
- Liquid: 0.16 to 625 m³/h (0.09 to 368 ft³/min) based on water at 1 bar a, 20 °C (14.5 psi a, 68 °F).
- Steam, Gas: 2 to 8342 m³/h (1.18 to 4910 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 is also 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: Performed in accredited calibration facilities (acc. to ISO/IEC 17025).
- Heartbeat Technology: Complies with measurement traceability requirements according to 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
Material Certificates:
- 3.1 Material
- NACE MR0175/MR0103, PMI (on request)
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