Description
KROHNE Metal Tube Rotameter Model H250/RR/M40/ESK Flow Meter
High-precision metal tube rotameter for harsh industrial environments, offering robust construction, wide pressure/temperature range, and optional electronic integration for process control.
| Brand | KROHNE |
| Model | H250/RR/M40/ESK |
| Voltage | Not specified (mechanical device, no electrical supply required for basic operation; ESK option may include limit switch with 24V DC or 230V AC) |
| Country of Origin | Germany |
| Weight | 5.5 kg (approx., depending on material and connections) |
| Dimensions | 250 mm height x 100 mm width x 100 mm depth (approx., for DN15 size) |
| Warranty | 2 years from date of manufacture |
| Certifications | ATEX, IECEx, SIL 2/3, PED, NACE, CRN |
| SKU / MPN | H250/RR/M40/ESK |
| What’s in the box | 1x KROHNE H250 rotameter, 1x installation manual, 1x calibration certificate, 1x ESK limit switch module (if ordered) |
| Measuring Principle | Variable area (float) with metal tube |
| Accuracy | ±1.6% of full scale (standard), ±1.0% optional |
| Process Connection | Flanged per EN 1092-1 or ASME B16.5, DN15 to DN100 |
| Max Pressure | Up to 400 bar (depending on material and size) |
| Max Temperature | -40°C to +400°C (depending on material and seal) |
| Output Signal | Optional ESK limit switch (mechanical or inductive) or 4-20 mA HART (with ESK-E option) |
Key benefits: Durable all-metal design, high accuracy, wide range of process connections, ATEX/IECEx certified for hazardous areas, low maintenance, long service life.
Typical applications: Oil and gas, chemical processing, petrochemical, power generation, water treatment, pharmaceutical, food and beverage (with appropriate materials).
Order number: KROHNE Metal Tube Rotameter Model H250/RR/M40/ESK Flow Meter
Lifecycle: Active production; spare parts available for 15+ years after discontinuation.
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
Linda B. –
Excellent build quality on the terminal blocks. Makes panel wiring neat and fast.