1. APPLICATION

Widely used in data collection for boiler, refrigeration industry, ventilation duct, environment monitor, navigation measurement, weather forecast, collection of the weather datum for outdoor busywork and fire department

2. SPECIFICATIONS

2.1 General Specifications

Display                        0.5" (13 mm) 4-digit LCD

Measurement units             Air Velocity: meter/second, kilimeter/hour, feet/minute, knots

                               Beaufort scale:  Force

                               Wave Height: m

                               Direction: °from the North direction

Temp: °C & °F

Data hold                      Maximum Value

Data memorized                 24 groups

Sampling rate                  reading per second approx

Sensors                        Air velocity/flow sensor:

3-cup probe

Direction probe: Low friction probe

                                Temperature sensor:

                                Precision thermistor

Automatic Power off             0 to 9 minutes set by users

Data Output                     RS 232 C serial interface

Operating Temperature           14°F to 140°F (minus10celsius degree to 60celsius degree)

Operating Humidity              Max. 80 percent  RH

Power Supply                    4x1.5AAA size

Weight                          260g (0.57lb) including batteries & probe

Dimensions                      Main instrument:  156x67x28mm

                                               (6.1x2.6x1.1")

                                Velocity sensor: 65x65x115mm

Direction sensor: 86x69x115mm

Optional Accessories            Cable and Software for RS232C or USB

2.2 Range Specifications

Air Velocity             Range            Resolution            Accuracy

m/s (meters per sec)      0.4-45.0           0.1 m/s         ± (2%+0.1m/s)

km/h (kilo-meters/hour)   1.4-162.0          0.1 km/hr       ±(2% +0.1km/hr)

ft/min (feet per minute)  80-8860            0.1 ft/min      ±(2% + 1ft/min)

Knots (nautical MPH)      0.8-88.0           0.1 knots       ±(2% +0.1 nots)

Air Flow

CMM (cubic meters/min)   0-9999            0.001 to1        ± (2% +1m³/min)

CFM (cubic ft/min)       0-9999            0.001 to1        ± (2% +1ft³/min)

Beaufort scale           0-12               0.1              ±0.5

Direction               0-360°             22.5°           ±22.5°

Wave Height            0-14                0.1                ±0.1

Air Temperature         14 - 140℉         0.1 ℉            0.9 ℉

                       -10-60 ℃            0.1 ℃               0.5 ℃