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Description
| Backlit LCD screen | |
| Air Volume Function | Can calculate air volume |
| Average Function | Automatic average calculation |
| Measured Value Freeze | Freeze-frame value supported |
| MAX / MIN Function | Maximum and minimum value display |
| Measurement Unit Selection | Supports selectable measuring units |
| Auto Shutdown | Can be set from 0–120 minutes |
| Power Supply | 4 × 1.5V DC batteries |
| Battery Life | Up to 180 hours |
| Weight | 250 g |
| Certification | CE shown |
Product Features
| Feature | Description |
|---|---|
| Easy Operation | Portable design with simple operation menu |
| Backlight Display | LCD backlight makes readings easy to view |
| Air Flow Detection | Used to detect wind speed and airflow in ducts |
| Air Volume Calculation | Calculates air volume using air cover or duct size input |
| Freeze Function | Can freeze measured values for easier recording |
| MAX / MIN Function | Displays maximum and minimum measured values |
| Automatic Average | Can automatically calculate average measurement values |
| Atmospheric Pressure Compensation | Wind speed measurement can calculate average manually by entering atmospheric pressure compensation value |
Application Scope
| Application Area | Details |
|---|---|
| Ventilation Ducts | Wind speed and airflow testing |
| Air Volume Measurement | Air volume calculation with air cover or duct input |
| HVAC Systems | Heating, ventilation, and air-conditioning inspection |
| Air Outlets | Airflow measurement at vents and outlets |
| Industrial Environments | Ventilation and air movement inspection |
| Clean / Controlled Areas | Airflow checking where stable ventilation is needed |
Product Structure / Parts
| Part | Details |
|---|---|
| Main Instrument | VT 115 handheld measuring unit |
| LCD Display | Shows wind speed, air volume, and temperature readings |
| Control Keys | Operation buttons for setting and measuring |
| Hot-Wire Probe | Telescopic probe for air velocity measurement |
| Rotating Probe Head | 90° adjustable probe head |
| Connection Cable | 1.6 m straight cable connecting probe and main unit |
| Protective Body | Portable black and red handheld design |
Technical Specifications
| Parameter | Specification |
|---|---|
| Wind Speed Units | m/s, fpm, km/h |
| Wind Speed Range | 0.15–30 m/s |
| Wind Speed Resolution | 0.01 m/s / 0.1 m/s |
| Air Volume Units | m³/h, cfm, L/s, m³/s |
| Air Volume Range | 0–99999 m³/h |
| Air Volume Resolution | 1 m³/h |
| Temperature Units | °C, °F |
| Temperature Range | 0°C to 50°C |
| Temperature Resolution | 0.1°C |
| Display Type | LCD screen, 50 × 36 mm |
| Display Lines | 14-line display shown |
| Probe | Telescopic hot-wire probe, 90° rotating head, approx. 1 m length |
| Cable Length | 1.6 m |
| Buttons | 15 buttons |
| Power Supply | 4 × 1.5V DC batteries |
| Battery Life | 180 hours |
| Use Environment | 10°C to 50°C, non-condensing, 0–2000 m |
| Storage Temperature | -20°C to 80°C |
| Auto Power Off | 0–120 minutes adjustable |
| Weight | 250 g |
Standards / Compliance
| Standard | Details |
|---|---|
| EMC | 2014/30/EU |
| Low Voltage | 2014/35/EU |
| RoHS | 2011/65/EU |
| WEEE | 2012/19/EU |
| CE | CE marking shown |
Optional Accessories
| Accessory | Details |
|---|---|
| Protective Cover | Model CQ 15 |
| Air Volume Cover | Model K35-75-120-150 |
Main Benefits
- Portable and easy to operate
- Measures wind speed, air volume, and temperature
- Telescopic hot-wire probe for ducts and air outlets
- 90° rotating probe head for flexible measurement
- Backlit LCD display for clear reading
- Supports MAX, MIN, freeze, and average functions
- Calculates air volume using duct or air cover settings
- Long battery life up to 180 hours


