Endress+Hauser prowirl 70 Technical Information

Technical
Information
TI 031D/06/e
No. 50072929
Safe
•
Electromagnetic compatibility accord-
ing to IEC 801 and NAMUR
•
Sensor and electronics self-diagnos-
tics with alarm functions
•
Proven capacitive DSC sensor:
resistant to vibration, thermal shock
and overspeeding
Flexible
•
Local, manual configuration possible
with closed housing, even in hazar-
dous areas (Ex i and Ex d)
•
Current output simultaneously
available with pulse, alarm or limit
output.
•
Programmable current and pulse
simulation
Accurate
•
Low measuring uncertainty
<1% of rate (gas/steam)
<0.75% of rate (liquids)
•
Wide turndown of up to 45:1
•
Every flowmeter is wet calibrated
Universal
•
SMART technology permits two-way
digital communication via HART
protocol
•
E+H Rackbus interface for connection
to higher level bus systems
•
Meter bodies and sensors available in
a wide range of materials
•
One standard, compact meter for all
fluids and the complete process
temperature range of -200...+400°C
Vortex Flow Measuring System
prowirl 70
Reliable Flow Measurement of
Gas, Steam and Liquids

Endress+Hauser prowirl 70 Specifications

General

Measurement Principle	Vortex
Process Connection	Flanged, wafer, or threaded
Process Temperature	-200°C to +400°C
Measuring Accuracy (Volume flow liquid)	±0.75% of reading
Measuring Accuracy (Volume flow gas/steam)	±1% of reading
Output	Pulse, current, or frequency
Output Signal	4...20mA HART, pulse/frequency/switch output
Communication	HART
Approvals	ATEX, IECEx, NEPSI
Housing material	Aluminum, Stainless steel
Material	Stainless steel
Protection Class	IP67
Nominal Diameter	DN15 to DN300