Description
Description
Introduction
The KFS100 air velocity transmitter is based on the thermal membrane principle, utilizing high-quality thermal membrane sensors manufactured with MEMS technology. It features high measurement accuracy, a wide measurement range, good stability, and strong environmental adaptability. It is an ideal choice for wind speed measurement in HVAC systems, pipeline air volume measurement, cleanroom ventilation, laminar flow monitoring, and other process and environmental control applications.
Feature
- Uses imported high-precision MEMS sensors, offering excellent long-term stability and anti-interference capability
- Power supply and output have overvoltage and reverse connection protection
- Optional isolated RS485 output
- Strong anti-pollution ability, easy to install and maintainCompact structure and shape


| Item | Specification |
|---|---|
| Power Supply | 24VAC/DC±20% |
| Range | 0-10m/s, 0-15m/s, 0-20m/s, 0-30m/s |
| Accuracy | ±(0.2m/s+3%of mv)(20℃, 45%RH and 1013hPa) |
| Resolution | 0.01m/s |
| Output | RS485/Modbus, 0-10 VDC / 4-20 mA (3-wire system) |
| Output Load | ≤500Ω (current output), ≥2KΩ (voltage output) |
| Working Temperature | -10°C to +60°C |
| Storage Temperature | -20°C to +80°C |
| Probe Length | 210 mm (optional) |
| Display | Optional LCD display, with unit display and backlight |
| Protection Rating | Enclosure: IP65, Probe: IP20 |
| Enclosure Material | Enclosure: PC, Probe: PA6 |
| Electromagnetic Compatibility | EN61326-1 |
| Certifications | ROHS certification, EU CE certification |
| Note: The analog output version allows range selection via jumper. | |
