Basic Parameters
| Technical Parameters | |
| Nominal diameter DN | 10,15,20.25,32,40,50,65,80,100,125,150,200,250,300,350,400,500,600...…1800,2000 |
| Nominal pressure Mpa | 0.6,1.0,1.6,2.5,4.0,6.3 |
| Process connection | Flange connection, flange standard: GB/T9119-2010 |
| Structural form | Integrated type (IP65), split type (IP65 and IP68) |
| Lining material | PTFE (≥DN25), chloroprene rubber (≥DN65 Above), F46, polyurethane |
| Electrode material | Platinum, tungsten, Hastelloy, titanium, 316L, tungsten carbide |
| Measuring tube material | 304 stainless steel |
| Shell and flange material | Carbon steel (standard), stainless steel (non-standard customization) |
| Fluid temperature | ≤160℃ |
| Explosion-proof mark | Not explosion-proof |
| Accuracy level | 0.5 level (0.3m/s~10m/s range) |
| Repeatability | 0.15% |
| Measurable velocity range | 0.1m/s~15m/s |
| Effective measurement velocity range | 0.3m/s~10m/s (0.5 level accuracy) |
| Power supply | 18~36VDC or 85~265VAC, power: less than 8W |
| Output | 4-20mA, frequency output (0~10KHZ), pulse equivalent. Network function: MODBUS, GPRS, PROFIBUS (optional) |
| Excitation mode | Three amplitude low frequency rectangular wave excitation and high frequency excitation |
| Excitation current | 125mA/160mA |
| Required minimum conductivity of medium | ≥0.5μs/cm² |
| Electrical interface | M20×1.51/2NPT |
| Protection level | IP65 (integrated type, split type), IP68 (split type) |
| Grounding mode | Grounding ring (user specified) or grounding electrode, pipeline grounding |
| Display mode | Display resolution FSTN mode 128×64 |
| Power-off data storage time | Power-off memory EEPROM, the set parameters and flow accumulation data will not be lost permanently after power failure |
| Mean time between failures | MTBF=30000h |
| Selection of Lining Materials | ||||||
| Choose lining materials according to the corrosiveness, abrasiveness and temperature of the measured medium, as shown in the following table: | ||||||
| Lining material | Name | Symbol | Performance | Maximum operating temperature | Applicable liquids | Applicable caliber |
| Rubber | Chloroprene rubber | CR | Moderate wear resistance, resistant to acid, alkali and salt solutions of normal concentration | <60℃ | tap water, industrial water, seawater | ≥DN50 |
| Polyurethane rubber | PU | Excellent wear resistance, poor acid resistance | <60℃ | pulp, ore pulp, mud and other slurries | ≥DN50 | |
| Fluoroplastic | Polytetrafluoroethylene | F4 or PTFE | Chemical properties are stable, resistant to boiling hydrochloric acid, sulfuric acid, aqua regia and concentrated alkali | <180℃ | highly corrosive acid-base and salt solutions | ≥DN10 |
| FEP | F46 or FEP | Chemical properties are equivalent to F4, tensile strength is better than F4 | <120℃ | corrosive acid-base and salt solutions | DN10~20 | |
| Choice of Electrode Material | |
| The material of the electrode is selected according to the corrosiveness of the fluid being measured, as shown in the following table | |
| Electrode material | Corrosion resistance |
| 316L | Applicable to: domestic water, industrial water, raw well water, urban sewage, weakly corrosive acid, alkali, salt solution |
| Hastelloy B | Applicable to: non-oxidizing acids such as hydrochloric acid with a concentration less than 10%, sodium hydroxide with a concentration less than 50%, all concentrations of hydroxide Ammonia alkali solution; phosphoric acid and organic acid; Not applicable to: nitric acid |
| Hastelloy C | Applicable to: mixed acid (such as a mixed solution of chromic acid and sulfuric acid); oxidizing salts (such as seawater, containing Cu+++, Fe+++) Not applicable to: hydrochloric acid |
| Titanium | Applicable to: salts (such as chlorides, sodium salts, potassium salts, ammonium salts, hypochlorites, and water), potassium hydroxide with a concentration less than 50%, Ammonia hydroxide, barium hydroxide alkali solution; Not applicable to: reducing acids such as hydrochloric acid, sulfuric acid, phosphoric acid, and hydrofluoric acid; |
| Tantalum | Applicable to: hydrochloric acid (concentration less than 40%), dilute sulfuric acid and concentrated sulfuric acid (excluding fuming sulfuric acid); chlorine dioxide, ferric chloride, Hypochlorous acid, sodium chloride, lead acetate, etc.; nitric acid (including oxidizing acids such as fuming nitric acid), aqua regia at a temperature below 80°C; Not applicable to: alkali, hydrofluoric acid |
| Platinum | Applicable to: almost all acid-base salt solutions (including fuming sulfuric acid and fuming nitric acid) Not applicable to: aqua regia, ammonia salts |
| Tungsten carbide | Applicable to: pulp, sewage, mud, can resist interference from solid particles Not applicable to: inorganic acids, organic acids and oxides |
Product Description
