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Extech AN340 CMM/CFM Anemometer/Psychrometer Datalogger with NIST
Item #:
EXT-AN340-NIST
Brand:
Extech
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AN340 CMM/CFM Anemometer/Psychrometer Datalogger with NIST by Extech
Telescoping probe with 18mm diameter vane sensor easily fits into air vents and can extend length of probe to 3.3ft (1m) long. Measures Air Velocity/Volume, Temperature, Humidity, Wet Bulb, and Dew Point. User can store up to 12,000 readings for data analysis.
Features
- Telescoping 0.7" (18mm) diameter vane sensor extends from 1ft (0.3m) up to 3.3ft (1m)
- Measures Air Velocity, Air Flow, Air Temperature, Humidity, Dew Point and Wet Bulb
- Manually store/recall up to 99 readings
- Automatically datalog up to 12000 readings with 12/24 hour time and date stamp
- Select data sampling rate from 1s to 4hr: 59 min: 59s
- Min/Max/Avg readings
- Data hold and Auto power off with disable
- Built-in PC Interface
- Complete with external mini vane probe, Windows® compatible software, USB cable, 6 AAA batteries, and hard carrying case
Applications
- HVAC with small ducts and vents
- Manufacturing
- Engineering
- Appliance Testing
- Research and Design
| Circuit | Custom LSI microprocessor |
| Display | Dual function 32.5 (H) x 54 (W) mm (1.3 x 2.1") LCD |
| Sampling rate | 1 reading per second approx. |
| Air velocity/flow sensor | Angled mini‐vane arms with low‐friction ball bearing |
| Sensors | NTC - type precision thermistors |
| 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 | -20°C to 50°C (-4 to 122°F) |
| Operating Humidity | <80% RH |
| Storage Humidity | <90% RH |
| Operating Altitude | 2000 meters (7000ft) maximum |
| Battery Power | Six (6) 'AAA' 1.5V batteries |
| Battery Life | > 40 hours |
| Battery consumption | 14 mA DC (approx.) |
| Weight | 210g (0.5 lbs.) including batteries |
| Dimensions | Main instrument L x W x H: 169 x 78.3 x 44mm (6.6 x 3.1 x 1.7 ") Sensor diameter: 18mm (0.7"); Telescoping wand extends 1m (39”) |
| Air Velocity | |
| m/s (meters per second) | Range: 0.5 - 20 m/s Resolution: 0.1 m/s Accuracy: ± (3% rdg + 0.2 m/s) |
| fpm (feet per minute) | Range: 98 - 3937 fpm Resolution: 1 fpm Accuracy: ± (3% rdg + 39 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 | |
| °C/°F | Air and Wet Bulb Range: -20 to 60°C
(-4 to 140°F) W et Bulb temperature: ‐20 to 70°C (‐4 to 158°F) Dew Point Range: ‐20 to 60°C (-4 to 140°F) Resolution: 0.1°C/°F Accuracy: ±0.6°C (0 to 50°C); ±1.2°C (below 0°C, above 50 °C); ± 1.1°F (32 to 122°F); ± 2.2°F (below 32°F, above122°F) |
