Thiết bị đo gió LUTRON AM 4204HA

THÔNG SỐ KỸ THUẬT Thiết bị đo gió LUTRON AM 4204HA:

HOT WIRE ANEMOMETER
Model : AM-4204HA
* 0.2 – 20.0 m/s, high precision for low air velocity measurement.
* m/s, ft/min, km/h, knots, mile/h, oC/oF.
* Max., Min., Data hold.
* Telescope probe.
* Size : 185 x 78 x 38 mm.

FEATURES
* Thermal anemometer, available for very lowair velocity measurement.			* The portable anemometer provides fast, accuratereadings, with digital readability and theconvenience of a remote probe separately.
* Slim probe, ideal for grilles & diffusers.
* Combination of hot wire and standardthermistor, deliver rapid and precisemeasurements even at low air velocity value.			* Multi-functions for air flow measurement : m/s, km/h, ft/min, knots. mile/h.
			* Build in temperature ℃, ℉ measurement.
* Microprocessor circuit assures maximumpossible accuracy, provides special functionsand features.			* Thermistor sensor for Temp. measurement, fastresponse time.
			* Used the durable, long-lasting components,including a strong, light weight ABS-plastichousing case.
* Super large LCD with dual function meter’sdisplay, read the air velocity & temp. at thesame time.
			* Deluxe hard carrying case.
* Heavy duty & compact housing case.			* Applications : Environmental testing, Air conveyors, Flow hoods, Clean rooms, Airvelocity, Air balancing, Fans/motors/blowers,Furnace velocity, Refrigerated case, Paint spray booths.
* Records Maximum and Minimum readingswith recall.
* Data hold.
* Auto shut off saves battery life.
* Operates from 6 PCs UM-4 batteries.
GENERAL SPECIFICATIONS
Circuit	Custom one-chip of micro-processor LSI circuit.		Power off	Auto shut off saves battery life ormanual off by push button.
Display	* 13 mm(0.5″) Super large LCD display. * Dual function meter’s display.		Operating Temperature	0 ℃ to 50 ℃(32 ℉ to 122 ℉).
			Operating Humidity	Less than 80% RH.
Measurement	m/s (meters per second)km/h (kilometers per hour)ft/min (feet/per minute) knots (nautical miles per hour) mile/h(miles per hour)Temp.- ℃, ℉. Data hold.
			Power Supply	1.5 V AAA (UM-4) battery x 6 PCs.(Alkaline or heavy duty type).
			Power Current	Approx. DC 30 mA.
			Weight	355 g/0.78 LB.
			Dimension	Main instrument: 185 x 78 x 38 mm ( 7.2 x 3.0 x 1.4 inch )
Sensor Structure	Air velocity : Tiny glass bead thermistor.
				Telescope Probe : Round,12 mm Dia x 280 mm ( min. length ). x 940 mm ( max. length ).
	Temperature : Precision thermistor.
Memory	Maximum and Minimum with recall.
			Accessories Included	Instruction manual……………. 1 PC.Telescope Probe……………….. 1 PC. Hard carrying case……………..1 PC.
Sampling Time	Approx. 0.8 sec.
ELECTRICAL SPECIFICATIONS ( 23 ± 5℃ )
Measurement		Range	Resolution		Accuracy
m/s		0.2 – 20.0 m/s	0.1 m/s		± ( 5 % + 1 d ) reading or ± ( 1 % + 1 d ) full scale * Depend on which is larger.
km/h		0.7 – 72.0 km/h	0.1 km/h
ft/min		40 – 3940 ft/min	1 ft/min
mile/h		0.5 – 44.7 mile/h	0.1 mile/h
knots		0.4 – 38.8 knots	0.1 knots
Temperature ( ℃ )		0 ℃ to 50 ℃	0.1 ℃		± 0.8 ℃
Temperature ( ℉ )		32 ℉ to 122 ℉	0.1 ℉		± 1.5 ℉