Krohne H250 M40 Metal Variable Area Flowmeter for Machinery
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Basic Info.
- Model NO.
- H250 M40
- Accuracy
- 1.0%
- Main Application
- Water, Wastewater, Diesel Fuel, Fuel Oil, Nature Gas, Corrosive Liquid/Gas
- Size
- DN15-DN200
- Sensor
- Tube/Flange
- Application
- Industrial Production
- Type
- Variable Area Flow Meter
- Measuring Media
- Liquid and Gas
- Measuring Principle
- Mechanics
- Measurement Object
- Closed Pipeline
- Certification
- JIS, DIN, CE, RoHS
- Module
- Hart and Fieldbus (FF) Terminal
- Display
- LCD
- Power
- 24V DC
- Output
- 4-20mA
- Communication Protocol
- Hart + FF Dual Protocol
- Transport Package
- Carton or Wooden Box
- Specification
- package 55*55*45cm
- Trademark
- KROHNE
- Origin
- China
- HS Code
- 9026100000
- Production Capacity
- 1000pieces/Year
Packaging & Delivery
- Package Size
- 55.00cm * 55.00cm * 45.00cm
- Package Gross Weight
- 7.000kg
- Lead Time
-
20 days (1 - 1 Pieces)
To be negotiated ( > 1 Pieces)
Product Description
ZHAODI Company is seeking partners worldwide to provide product services, including OEM services
Krohne H250 M40 metal variable area flowmeter for Machinery
Krohne H250 M40 metal variable area flowmeter for Machinery
Product Introduction
The H250 M40 is the standard variable area (VA) flowmeter for the process and OEM industry. The VA meter combines mechanical flow measurement of liquids or gases with state-of-the-art communication capabilities. The device is modularly extendable. Additional electronic modules can be added or replaced at any time without process interruption. In this way, its functionality adapts to new requirements - from analogue flow measurement without auxiliary power to digital integration into a fieldbus system.
The H250 M40 is available in various materials and in many different versions. The sturdy all-metal flowmeter can be also used in applications with high pressures (up to 1000 barg / 14500 psig), temperatures (-196…+400°C / -320…+752°F) or aggressive media. It even allows installation in horizontal or descending pipes up to DN150 / 6". A special version for use in hygienic applications is also available. The H250 M40 is intrinsically safe and explosion-proof. Certain variants of the flowmeter with limit switch or analogue output are suitable for use in Safety Instrumented Systems (SIS). Electronic device diagnostics and additional application diagnostics are available to increase application reliability, e.g. the detection of a float blockage due to impurities or pressure surges and the reporting of pulsating flow or gas compression oscillations of the float.
The H250 metal variable area flowmeters cover the entire range of requirements of the process industry. The modular device design and flexible production structure form the basis for application and customer-based device versions.
The basis of the H250M40 is its purely mechanical design.
Additional electronic modules can be added or replaced at any time without interrupting the process.
This way, the functionality of the device adapts to any changed requirements.
From analogue flow measurement without auxiliary power up to digital integration into a fieldbus system.
Simply screw off the cover, insert the module until it clicks, screw the cover back on and that's it. It is just as easy to replace the measuring scale in the event of a change in application.
Features
| Simple, low-cost installation: measurement and indication also without auxiliary power supply |
| Modular scalability: from mechanical to analogue to fieldbus |
| Universal Ex concept: Exi, Exec, Exd and Ext |
| Suitable for use in safety-related SIL2 applications |
| CFM application diagnostics for detection of float blocks and pulsation |
| Any installation position: vertical upward, horizontal, vertical downward |
| Robust measuring tube construction for high process temperatures and extreme operating pressures |
| Choice of material: stainless steel, Hastelloy®, titanium, Monel®, Inconel®, PTFE/TFM etc. |
| Many connection variants: flanged, screwed, clamped, weld-on ends etc. |
| Extended measuring span: up to 100 : 1 |
| High application safety, even with extremely low flows |
| Low Flow option down to full scale 1.5l/h/ 0.4GPH liquid or 16Nl/h/ 0.6SCFH gas |
Industries
Can be used in all industrial sectors, for example:
Chemicals
Petrochemicals
Pharmaceuticals
Machinery
Food & Beverage
Oil & Gas
Iron, Steel & Metal
Power plants
Pulp & Paper
Water & Wastewater
Marine
Applications
Nitrogen inerting to avoid explosive atmospheres
Measurement of additives such as catalysts, tensides, anti-foaming and anti-corrosion agents
Measurement of chlorine, sulphur and ethylene compounds
Measurement of distilled or demineralised water
Monitoring of lubricating and cooling agents for process pumps and rotating machines
Monitoring of sealing systems on compressors
Gas measurement for industrial furnaces
Hygienic applications in the food industry and in pharmaceuticals
Technical datas
| Measurement accuracy | Max. permissible error H250 /RR /HC /F | 1.5% of full scale range |
| 1.6% of measured value according to VDI/VDE3513-2 (qG = 50%) | ||
| Max. permissible error H250/C (ceramic, PTFE), H250H, H250U, H250 (100 : 1), H250 Low Flow |
2.0% of full scale range | |
| 2.5% of measured value according to VDI/VDE3513-2 (qG = 50% | ||
| easurement repeatability | H250 /RR /HC /F | 0.25% |
| H250H, H250U, H250 (100 : 1) | 0.50% | |
| Operating conditions | Temperature | |
| Max. operating temperature TS | -196...+300°C/ -321...+572°F Depending on the version (refer to nameplate) |
|
| Higher temperatures up to +400°C/+752°F are on request. | ||
| Mechanical indicators | For detailed information on product and ambient temperatures refer to Temperatures for mechanical indicators without auxiliary power on page 11. | |
| Devices with electrical components | For detailed information on product and ambient temperatures refer to Temperatures for devices with electrical components on page 12. | |
| Pressure | ||
| Max. operating pressure PS, max. test pressure PT | Depending on the version (refer to nameplate) | |
| Min. required operating pressure | 2 times greater than pressure loss (refer to measuring ranges) | |
| Pressure tightness (vacuum) H250/C | For detailed information refer to Pressure tightness (vacuum) H250/C on page 14. | |
| Pressure/temperature for the optional heating of the measuring cone | ||
| DN15...DN50 | PS = 40barg/ 580psig, TS = 300°C/ 572°F | |
| DN80...DN100 | PS = 25barg/ 363psig, TS = 300°C/ 572°F | |
| Ingress protection | ||
| M40, M40R | IP66/68 according to EN60529, NEMA 4/4X/6 according to NEMA 250 |
|
| M40R | IP69K according to DIN40050-9 | |
| Float damping during gas measurement recommended | ||
| DN15...25/ 1/2...1" | Operating pressure <0.3barg/ 4.4psig | |
| DN50...100/ 2...4" | Operating pressure <0.2barg/ 2.9psig | |
Product certifications
| ATEX/ IECEx/ UKEx | |
| M40 mechanical | II2GD IIC Ex h II3GD IIIC Ex h |
| M40 electrical | II2G Ex ia IIC T6 Gb II2G Ex db IIC T6 Gb II3G Ex ec IIC T6 Gc II2D Ex tb IIIC T70°C Db II2D Ex ia IIIC T85°C Db |
| FM (US/C) | |
| M40 electrical | IS Class I Div 1, Class I Zone 1 AEx ia/Ex ia XP Class I Div 1, Class I Zone 1 AEx d/Ex d NI Class I Div 2, Class I Zone 2 AEx nA/Ex nA DIP Class II / III Div 1, Class II/III Zone 21 AEx tb Certified electrical safety for ordinary location / general purpose |
| NEPSI | |
| M40 mechanical | Ex ia, Ex d, Ex ec, Ex t |
| CCOE/PESO | |
| M40 electrical | Ex ia, Ex d |
| EAC | |
| M40 mechanical | Ex c |
| M40 electrical | x ia, Ex d, Ex nA, Ex t |
| INMETRO | |
| M40 electrical | Ex ia, Ex d, Ex ec, Ex t |
| KGS | |
| M40 electrical | Ex ia, Ex d, Ex ec, Ex t |
Packing and Shipping
We have extensive cooperation with EMS, TNT,DHL, UPS, Fedex, etc. We will deliver the goods you need to your designated location as soon as possible
Our company
Why chose us:
Question 1:
How long will you give me reply?
We will contact you with 2 hours.
Question 2:
Could i get samples?
Yes,we have materials in stock to help you get the samples ASAP.
Question 3:
How about the quality?
We have the certification ISO9001 CE SIL ROSH EX.
Question 4:
What about the price?
You get what you pay for,we will give you best price with best quality products.
Question 5:
What aout the delivey time?
We have materials in stock,Strong executive team to make sure you get the goods ASAP.
Question 6:
Could i visit your factory
Yes,of course.
ShangHai ZhaoDi Automation Instruments co.,ltd is a professional company specializing in production automation instruments and matching. ZhaoDi has strong technical strength and researchs account over 40% of the total number of company, with well- developed prodection facilities and strong processing capacity .ZhaoDi product include flowmeter series,liquid level instruments series, temperature sensor series and pressure series and diaplay instruments and so on,. All products are certified with certification such as ROHS,ISO,CE,EX,etc
ZhaoDI products have been widely used in power,petro,chemical,metallurgy,papermaking,medicine,city heating,food,textile and sewage treatment industries.
ZhaoDi keeps on :Quality First,Faith First.we truely hope all domestic and foreige customers contact us freely and we will also develop more high quality and cheap product that meet you need.
Shanghai Zhaodi Instrument Co., Ltd. welcomes customers and friends from all over the world to inquire about products by email at any time. We provide 24-hour service, and the email inquiry will be immediately restored within 4 hours.
We have a good team that can provide you with high-quality standard product services, as well as non-standard customized services according to your requirements, as well as OEM services. Please feel free to email us for consultation.
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