"Specs at a glance
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: 0.2 to 540 m³/h (0.15 to 320 ft³/min)
depending on medium: water with 1 bar a, 20 °C (14.5 psi a, 68° F)
Steam, gas: 1.5 to 7260 m³/h (0.9 to 4270 ft³/min)
depending on medium: steam with 180 °C, 10 bar a (356 °F, 145 psi a); air with 25 °C, 4.4 bar a (77 °F, 63.8 psi a)

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)

Max. process pressure
PN 40, Class 300, 20K

Wetted materials
Measuring tube: 1.4408 (CF3M)
DSC sensor: 1.4404/F316/F316L
Process connection: 1.4404/F316/F316L" "Field of application
Prowirl R was designed for low flows and is thus the particularly dependable solution for energy management. Additionally its calibration option PremiumCal guarantees excellent measuring accuracy for maximum plant availability. With genuine loop-powered technology, Prowirl R 200 enables cost-effective and seamless integration into existing infrastructures. It offers highest operational safety in hazardous areas. Heartbeat Technology enables process safety at all times.

Preferred measuring principle for wet/saturated/superheated steam, gases & liquids (also cryogenic)

Dedicated to applications with very low or reduced flow

Device properties

Integrated diameter reduction by 1 or 2 line sizes

Nominal diameter (mating pipe) up to DN 250 (10"")

Flexible positioning of pressure cell

Display module with data transfer function

Robust dual-compartment housing

Plant safety: worldwide approvals (SIL, Haz. area)" "Benefits
Easy energy management – integrated temperature and pressure measurement for steam and gases

Cost and time savings – no pipework modifications needed for line size reduction

Same accuracy down to Re 10 000 – most linear Vortex meter body

Long-term stability – robust drift-free capacitive sensor

Convenient device wiring – separate connection compartment, various Ethernet options

Safe operation – no need to open the device

Integrated verification – Heartbeat Technology" "Measuring principle
Vortex

Product headline
Flowmeter with best-in-class accuracy despite pipe reduction.
Easy energy management – integrated temperature and pressure measurement for steam and gases.
Dedicated to applications with very low flow or reduced flow.

Sensor features
Cost and time savings – no pipework modifications needed for line size reduction. Same accuracy down to Re 10 000 – most linear Vortex meter body. Long-term stability – robust drift-free capacitive sensor. Integrated diameter reduction by 1 or 2 line sizes. Nominal diameter (mating pipe) up to DN 250 (10"").

Transmitter features
Cost and time savings – no pipework modifications needed for line size reduction. Same accuracy down to Re 10 000 – most linear Vortex meter body. Long-term stability – robust drift-free capacitive sensor.
Integrated diameter reduction by 1 or 2 line sizes. Nominal diameter (mating pipe) up to DN 250 (10""). Flexible positioning of pressure cell.

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: 0.2 to 540 m³/h (0.15 to 320 ft³/min)
depending on medium: water with 1 bar a, 20 °C (14.5 psi a, 68° F)
Steam, gas: 1.5 to 7260 m³/h (0.9 to 4270 ft³/min)
depending on medium: steam with 180 °C, 10 bar a (356 °F, 145 psi a); air with 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
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 possible
Remote display available

Outputs
4‐20 mA HART (passive)
4‐20 mA (passive)
Pulse/frequency/switch output (passive)

Inputs
4‐20 mA (passive)

Digital communication
HART, PROFIBUS PA, FOUNDATION Fieldbus, PROFINET over Ethernet-APL, Modbus TCP over Ethernet-APL

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 on accredited calibration facilities (acc. to ISO/IEC 17025)
Heartbeat Technology complies with the requirements for measurement traceability according to ISO 9001:2015 – Section 7.1.5.2 a (TÜV SÜD attestation)

Marine approvals and certificates
ABS, LR, BV, DNV, CCS

Pressure approvals and certificates
PED, CRN, AD 2000

Material certificates
3.1 material
NACE MR0175/MR0103, PMI (on request); welding test acc. to ISO 15614‐1, similar to ASME IX (on request)"

Xi'an Kacise Optronics Co.,Ltd. is a professional manufacturer of  measuring instruments , located in China xi’an City. Since 2008, Xi'an Kacise focused on the development and production of pressure, level and flow measuring instruments .

We have been specializing in manufacturing pressure, level and flow measuring instruments and related products for 10 years. Based on experienced technical and management personnel, through efforts of our entire staff, we have become a professional measuring instrument manufacturer and solution provider. And we are continuously trying to improve product quality.

Xi'an Kacise is qualified with ISO 9001-2008, GJB 9001B-2009, CE, intrinsic safety explosion-proof and isolated safety explosion-proof certificates, etc. which ensure that our products comply with international standards.

Kacise sensors have already been exported to America, Spain, Australia, Chile and 20 other countries and regions, and received many favorable feedbacks. Our overseas distributers are also increasing. We regard “reasonable prices, efficient production time and good after-sales service” as our tenet, and hope to cooperate with more customers for mutual development.

Our goal is simple: to sell the best products at the best prices, and provides industry-leading customer service. We personally get to know each of our customers, and we know how to discover the most valuable part of our business , to help others achieve their goals.