Lutron AM-4254SD เครื่องวัดความเร็วลม (Hot Wire Anemometer)

Measurement

Range

Resolution

Accuracy

m/s

0.2 to 5.0 m/s

5.1 to 35.0 m/s

0.01 m/s

0.1 m/s

±(5% + a) reading

or

±(1% + a) full scale

Km/h

0.7 to 18.00 km/h

18.0 to 125.9 km/h

0.1 km/h

1 km/h

Mile/h

0.44 to 11.20 mph

11.2 to 78.2 mph

0.01 mph

0.1 mph

Knot

0.4 to 9.70 knot

9.7 to 68.0 knot

0.01 knot

0.1 knot

Ft/min

40–6900 ft/min

1 ft/min

@ = 0.1 m/s, 0.3 km/h, 0.2 mile/h, 0.2 knot, 20 ft/min

Note:

m/s = meters per second

km/h = kilometers per hour

ft/min = feet per minute

knot = nautical miles per hour

mile/h = miles per hour

Measuring Range

Resolution

Accuracy

0°C to 300°C

0.1°C

±0.8°C

Measurement

Range

Resolution

CMM (m³/min)

0 to 45,000 CMM

0.001 to 1 CMM

CFM (ft³/min)

0.1 to 1,589,200 CFM

0.001 to 100 CFM

Measurement

Area

CMM (m³/min)

0.001 to 30.000 m²

CFM (ft³/min)

0.01 to 322.93 ft²

Range

Resolution

Accuracy

Humidity

5% to 95% RH

0.1% RH

≥70% RH: ±(3% reading + 1% RH)

Temperature

0°C to 50°C

0.1°

±0.8°C

Unit

Range

Resolution

°C

-25.3°C to 48.9°C

0.1°C

Remarks:

* Dew Point display value is calculated from the Humidity/Temp. measurement automatically

* The Dew Point accuracy is sum accuracy value of Humidity & Temperature measurement

Unit

Range

Resolution

°C

-21.6°C to 50.0°C

0.1°C

Remarks:

* Wet bulb display value is calculated from the Humidity/Temp. measurement automatically

* The Welt bulb accuracy is sum accuracy value of Humidity & Temperature measurement

Sensor Type

Resolution

Range

Accuracy

Type K

0.1°C

-50.0 to 1300.0°C

±(0.4% + 0.5°C)

-50.1 to -100.0°C

±(0.4% + 1°C)

Type J

0.1°C

-50.0 to 1200.0°C

±(0.4% + 0.5°C)

-50.1 to -100.0°C

±(0.4% + 1°C)

Circuit

Custom one-chip of microprocessor LSI circuit

Display

LCD size 52 mm × 38 mm

LCD with green backlight (ON/OFF)

Function

Anemometer (Air velocity, Air flow)

Humidity/Temp. meter

Type K/J thermometer

Measurement Unit

Air velocity

m/s, km/h, ft/min (FPM), knots, mile/h

Measurement Unit

Air temperature

°C / °F

Measurement Unit

Air flow

CMM, CFM

Measurement Unit

Humidity / Temp.

Humidity 10–95%RH, Dew point (auto), Wet bulb (auto)

Measurement Unit

Type K/J

Thermometer °C / °F

Sensor Structure

Air velocity/Air flow

Tiny glass bead thermistor

Sensor Structure

Air temperature

Thermistor

Sensor Structure

Humidity

Precision capacitance humidity sensor

Sensor Structure

Thermometer

Type K, Type J thermocouple probe (optional)

Datalogger (Auto)

1 sec to 3600 sec

Datalogger (Manual)

Save one data per press, set sampling time, manual position 1–99

Memory Card

SD card 1 GB to 16 GB (Recommend ≥ 4 GB)

Advanced Settings

Set clock, sampling time, auto power off, beeper, decimal point, SD format, thermometer type K/J, °C/°F, air flow type CMM/CFM, air flow area

Temperature Compensation

Auto compensation for anemometer & type K/J thermometer

Data Hold

Freeze display

Memory Recall

Max & Min

Sampling Time of Display

Approx. 1 sec

Data Output

RS232 / USB interface (Optional UPCB-02 RS232 cable / USB-01 USB cable)

Operating Temperature

0 to 50°C

Operating Humidity

< 85% RH

Power Supply

AA × 6 or DC 9V adapter (optional)

Power Current – Normal (no SD, backlight OFF)

Approx. DC 30 mA

Power Current – With SD (backlight OFF)

Approx. DC 50 mA

Weight

347 g / 0.76 lb (meter only)

Dimension – Main unit

182 × 73 × 47.5 mm (7.1 × 2.9 × 1.9 inch)

Dimension – Telescope probe

Ø12 mm × 280 mm (min) / Ø12 mm × 940 mm (max)

Accessories Included

• Instruction manual x 1

• Hot-wire telescope probe x 1

• Humidity/Temp. probe x 1

• Hard carrying case x 1

Optional Accessories

• SD card

• Type K probe

• AC to DC 9V adapter

• USB-01 cable

• RS232 UPCB-02 cable

• SW-U801-WIN software

• SW-E802 Excel software

Complete set

Hot wire anemometer probe + Humidity/Temp. probe

Air velocity range

0.2 to 35.0 m/s

Hot wire + thermistor

Fast, precise, even at low velocity

Design

Slim probe for grilles/diffusers

Unit selections

m/s, Ft/min, Km/h, Knot, Mile/h

Air flow measurement

CMM / CFM

Air temperature measurement

°C / °F

Humidity range

10 to 95% RH

Dew point / Wet bulb

Auto calculation

Thermocouple

Type K / Type J

SD memory

Built-in SD recorder, 1–3600 sec sampling

Manual datalogger

Save by button, 1–99 positions

Innovation

No extra software required; SD → Excel directly

SD capacity

1 GB to 16 GB

LCD

Green backlight, easy reading

Auto power off

With manual override

Data functions

Hold / Max / Min

Microcomputer

High accuracy

Power

AA × 6 or DC 9V

PC interface

RS232 / USB

Probe

Separate probe design for different environments

Applications

Environmental testing, Air conveyors, Flow hoods, Clean rooms, Air velocity, Air balancing, Fans/blowers, Furnace velocity, Refrigerated case, Paint spray booths