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Extech AN320 Large Vane CFM/CMM Anemometer/Psychrometer + CO2
Item #:
EXT-AN320
Brand:
Extech
Share this product:
AN320 Large Vane CFM/CMM Anemometer/Psychrometer + CO2 by Extech
Extech's 4" (10cm) Large Vane Thermo-Anemometer series allows for more precise readings on larger size ducts. Each meter simultaneously displays Airflow or Air Velocity and Temperature. Choose models that also measure Air Volume, Humidity & Carbon Dioxide (CO2).
Features
- Measures Relative Humidity, Wet Bulb and Dew Point
- Carbon Dioxide (CO2) measurement
- Built-in thermistor for air temperature
- Multipoint and timed average calculations
- Min/Max, Data Hold, and Auto power off
- Optional Air Flow Cone Kit (AN300-C): 8.26" (210mm) round and 13.6" (346mm) square
- Complete with four AAA batteries and hard case
Applications
- HVAC
- Manufacturing
- Engineering
- Appliance Testing
- Research and Design
| Circuit | Custom LSI microprocessor |
| Display | Dual function 13 mm (0.5") 4 - digit LCD |
| Sampling rate | 1 reading per second approx. |
| Air velocity/flow sensor | Conventional angled vane arms with low - friction ball bearing |
| Temperature Sensors | NTC - type precision thermistors |
| CO2 Sensor | NDIR CO2 sensor |
| Automatic Power off | Auto shut off after 20 minutes to preserve battery life (sleep mode) |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Storage Temperature | -10°C to 50°C (14 to 122°F) |
| Operating Humidity | <80% RH |
| Storage Humidity | <90% RH |
| Operating Altitude | 2000 meters (7000ft) maximum |
| Battery Power | Four (4) 'AAA' 1.5V batteries |
| Battery Life | > 40 hours |
| Battery consumption | 8.3 mA DC (approx.) |
| Weight | 725g (1.6 lbs.) including battery and probe |
| Dimensions | Main instrument: 269 x 106 x 51mm (10.6 x 4.2 x 2") Vane inner diameter: 100mm / 3.94 inches Optional Air Flow Adaptors: Round: 210mm (8.3") Diameter Square: 346 x 346mm (13.6 x 13.6") |
| Air Velocity | |
| m/s (meters per second) | Range: 0.2 - 30 m/s Resolution: 0.01 m/s Accuracy: ± (1.5% rdg + 0.3 m/s) |
| fpm (feet per minute) | Range: 40 - 5900 fpm Resolution: 1 fpm Accuracy: ± (1.5% rdg + 59 fpm) |
| Relative Humidity | |
| RH | Range: 0.1%‐99.9%RH Resolution: 0.1 RH Accuracy: ±3%RH (10‐90%RH); ±5%RH (<10% or >90%) |
| Air Flow | |
| CMM (cubic meters/min) | Range: 0 - 99999 m3
/min Resolution: 0.1 up to 9999.9 then 1.0 Area Range: 0 to 99999cm2 |
| CFM (cubic ft/min) | Range: 0 - 99999 ft3
/min Resolution: 0.1 up to 9999.9 then 1.0 Area Range: 0 to 99999in2 |
| Temperature | |
| °F/°C | Air and Wet Bulb Range: -20 to 60°C
(-4 to 140°F) Dew Point Range: ‐5 to 60°C (23 to 140°F) Resolution: 0.1°C(°F) Accuracy: ±0.6°C (-20 to 50°C); ±1.2°C (51 to 60°C); ± 1.1°F (‐5 to 122°F); ± 2.2°F (123 to 140°F) |
| CO2 | |
| PPM (parts per million) | Range: 0 - 9999 ppm (readings over 5000 are
not specified) Resolution: 1 ppm Accuracy: ± (30ppm + 5% of rdg) from 0 to 5000ppm |
