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3-in-1 digital thermo-anemometer for measuring air speed, temperature and ambient humidity. It is intended for ventilation, HVAC, extraction, fan and duct checks, as well as general indoor and outdoor environmental assessment.
The instrument measures air speed from 0.0 to 30.0 m/s and also supports km/h, ft/s, knots and mph. Automatic or manual range adjustment is available, with readings shown on a 2.0-inch colour TFT display offering light and dark interface themes.
In addition to air speed, it measures temperature from −20 to +60 °C and relative humidity from 0 to 99% RH. Temperature accuracy is ±1 °C from 0 to 45 °C and ±2 °C outside that interval; humidity accuracy is ±5% RH from 20 to 80% RH and ±6% RH outside that interval.
HOLD freezes the current reading, while the graphical display refreshes every 0.5 s to make changing conditions easier to follow. The manufacturer also states that historical values, averages and trends can be reviewed to support analysis of air-speed changes over time.
High and low air-speed thresholds are configurable. When exceeded, the instrument can alert through an indicator light, vibration and buzzer. The alarm log stores up to 30 events with date, time and type; once that capacity is exceeded, the manual states that previous records are cleared before a new cycle begins.
The interface allows selection of units, Chinese or English language, display theme, date and time, brightness, volume, sleep and automatic power-off. Factory reset and firmware updating through USB-C and Bootloader mode are also supported.
Power is supplied by a built-in 1500 mAh lithium battery charged through USB-C at 5 V / 1 A. The manufacturer’s official page states approximately 10–12 hours of operating time. The instrument measures about 63 × 28 × 193 mm and weighs approximately 199 g.
For representative measurements, keep the sensor correctly oriented to the airflow and do not obstruct the air inlet. Keep the instrument away from high temperatures, flames, corrosive gases, excessive moisture, dust, water, solvents and strong magnetic fields, and avoid impacts and drops.
| Electrónica Embajadores reference | IN2A003 |
| Brand | FNIRSI |
| Model / manufacturer reference | FAM-02 |
| Type | 3-in-1 digital thermo-anemometer |
| Measured quantities | Air speed, temperature and relative humidity |
| Display | 2.0-inch colour TFT |
| Interface themes | Light / dark |
| Device languages | Chinese and English |
| Air-speed range — m/s | 0.0–30.0 m/s |
| Resolution — m/s | 0.1 m/s |
| Air-speed range — km/h | 0.0–108 km/h |
| Resolution — km/h | 0.1 km/h |
| Air-speed range — ft/s | 0.0–98.5 ft/s |
| Resolution — ft/s | 1 ft/s |
| Air-speed range — knots | 0.0–58.3 kn |
| Resolution — knots | 0.1 kn |
| Air-speed range — mph | 0.0–67.1 mph |
| Resolution — mph | 0.1 mph |
| Temperature range | −20 to +60 °C |
| Temperature accuracy — 0 to 45 °C | ±1 °C |
| Temperature accuracy — remainder of range | ±2 °C |
| Humidity range | 0–99% RH |
| Humidity accuracy — 20 to 80% RH | ±5% RH |
| Humidity accuracy — remainder of range | ±6% RH |
| HOLD function | Yes |
| Real-time curve | Yes; refresh every 0.5 s |
| Automatic range adjustment | On / off |
| Manual range adjustment | Available with automatic mode off |
| Alarm thresholds | Configurable high and low |
| Alarm outputs | Indicator light, vibration and buzzer |
| Alarm log | Up to 30 events with date, time and type |
| Historical review | Yes |
| Date and time | Configurable |
| Display brightness | Adjustable |
| Volume | Adjustable |
| Sleep mode | Configurable |
| Automatic power-off | Configurable |
| Factory reset | Yes |
| Firmware update | Via USB-C and Bootloader |
| Battery | Built-in lithium, 1500 mAh |
| Charging | USB-C, 5 V / 1 A |
| Stated runtime | Approximately 10–12 h |
| Approximate dimensions | 63 × 28 × 193 mm |
| Approximate weight | 199 g |
| Applications | Ventilation, HVAC, extraction, fans, ducts and environmental monitoring |
| Standard stated in manual | GB/T 24559-2009 |
