Standard Technical Specifications
Converter
| Category | Technical Parameters | |
| Output Signal | Current Output | DC current 4～20mA (load resistance: 0~750Ω, including cable resistance) |
| Pulse Frequency Output | Voltage 24V, pulse output rate 0.0001～10000pps (pulses/second), short circuit protection | |
| RS485 Communication | Communication distance less than 1km | |
| Data Security in Case of Power Failure | Data (such as parameters, totals, etc.) is stored by non-volatile FRAM | |
| Display | Dot matrix LCD screen, yellow-green backlight | |
| Converter Protection Level | IP67 | |
| Housing Material | Aluminum alloy | |
| Housing Coating | Anti-corrosion polyurethane, blue/white | |
| Electrical Interface | M20×1.5 internal thread, 1/2NPT internal thread, φ10 cable hole, other connection forms customized | |
| Ambient Temperature | -40℃~+60℃ | |
| Grounding Requirements | Grounding resistance ≤10Ω | |
| Explosion-proof Parameters | Exd II CT1～C6 Gb Exia II CT6 Ga |
|
Sensor
| Category | Technical Parameters |
| Sensor Operating Temperature Range | Low temperature: -40℃~+160℃ Medium temperature: -20℃~+280℃ High temperature: 0℃~+350℃ |
| Sensor Vortex Body Material | 316L |
| Sensor Body Material | 304, 316, 316L |
| Pressure Rating (Standard) | DN20-DN50:PN40 DN65-DN350:PN16 |
| Probe Sealing Gasket Material | F4, graphite gasket |
| Separate Cable | Sheath material: heat-resistant polyethylene (maximum 20 meters) |
Basic Performance Indicators
1) Measured fluid: liquid, gas, steam (avoid multiphase flow and adhesive fluids);
2) Measuring flow range:
Typical fluid examples: accuracy flow range (reference conditions: water, density=1000kg/m³)
| Nominal Diameter | Device Test Data | Reference Measurable Flow Velocity Range | ||
| Accuracy Flow Range (m³/h) |
Corresponding Velocity (m/s) |
Reference Instrument Coefficient | ||
| 20 | 0.5~6 | 0.44~5.3 | 144.75 | Measurable flow range reference 0.3~8m/S |
| 25 | 1~12 | 0.57～6.8 | 72.75 | |
| 32 | 1.5~20 | 0.52～6.9 | 35.23 | |
| 40 | 2~30 | 0.44～6.6 | 18.036 | |
| 50 | 3~45 | 0.42～6.4 | 9.312 | |
| 65 | 6.5~84 | 0.54~7.0 | 4.22 | |
| 80 | 10~130 | 0.55~7.2 | 2.25 | |
| 100 | 20～200 | 0.71～7.1 | 1.17 | |
| 125 | 32～320 | 0.72~7.2 | 0.596 | |
| 150 | 45～450 | 0.71～7.1 | 0.3424 | |
| 200 | 90~900 | 0.8~8 | 0.1472 | |
| 250 | 120~1200 | 0.68～6.8 | 0.0726 | |
| 300 | 150~1530 | 0.59～6.0 | 0.0411 | |
| 350 | 190~2100 | 0.55～6.0 | 0.0276 | |
Typical fluid examples: measurable air flow range (reference state: 20℃, 1atm)
| Nominal Diameter | Device Test Data | Steam Recommended Flow Range (m³/h) | Reference Instrument Coefficient | Reference Measurable Flow Velocity Range | |
| Gas Accuracy Flow Range (m³/h) | Corresponding Velocity (m/s) | ||||
| 20 | 4～30 | 3.5～27 | 6～60 | 144.75 | Measurable flow range reference 3~80m/S |
| 25 | 7.2～60 | 4～34 | 12~120 | 72.75 | |
| 32 | 13~100 | 4.5～34.5 | 20~200 | 35.23 | |
| 40 | 18~180 | 4.0～40 | 30～300 | 18.036 | |
| 50 | 30~300 | 4.2～42 | 50~500 | 9.312 | |
| 65 | 54～540 | 4.5～45 | 84~840 | 4.22 | |
| 80 | 70~700 | 3.9～39 | 120~1200 | 2.25 | |
| 100 | 120~1200 | 4.2～42 | 200～2000 | 1.17 | |
| 125 | 200～2000 | 4.5～45 | 320~3200 | 0.596 | |
| 150 | 240～2400 | 3.8～38 | 440～4400 | 0.3424 | |
| 200 | 480～4800 | 4.2～42 | 800～8000 | 0.1472 | |
| 250 | 740～7400 | 4.2～42 | 1200~12000 | 0.0726 | |
| 300 | 1000～10000 | 3.9～39 | 1780~17800 | 0.0411 | |
| 350 | 1400~14000 | 4.0～40 | 2500～25000 | 0.0276 | |
3) Maximum indication error: ±1.0%
4) Repeatability: less than 1/3 of the maximum allowable error
