PCE Instruments PCE-423 Manuale utente

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Tursdale Technical Services Ltd

Unit N12B

Tursdale Business Park

Co. Durham

DH6 5PG

United Kingdom

Phone: +44 ( 0 ) 191 377 3398

Fax: +44 ( 0 ) 191 377 3357

info@tursdaletechnicalservices.co.uk

http://www.industrial-needs.com/

The Specification of Hot Wire Anemometer

Manual PCE-423

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Table of contents

1. Instructions ................................................................................................... 3

Features.............................................................................................................. 3

2. Specifications ............................................................................................... 4

3. Button ........................................................................................................... 5

4. Display Elements.......................................................................................... 6

4.1 Changing Setup Options............................................................................ 7

4.2 Setup Options.......................................................................................... 7

4.3 Entering or Exiting Setup......................................................................... 7

4.4 Changing a Setup Option .......................................................................... 7

4.5 Area unit Setting ........................................................................................ 8

4.6 Area Setting............................................................................................... 8

4.7 Auto Power Off Mode ................................................................................ 9

5. Measuring Procedure ................................................................................... 9

6. Performing a multi-point mean calculation ................................................. 11

7. Performing a mean calculation in time.......................................................... 12

8. Holding the Displayed Readings................................................................... 12

9. Viewing the MIN, MAX Readings.................................................................. 12

10. Replacing the Batteries............................................................................... 13

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1. Instructions

Your purchase of this HOT WIRE ANEMOMETER makes a step forward for you into

the field of precision measurement.

Although this ANEMOMETER is a complex and delicate instrument, its durable

structure will allow many years of use if proper operating techniques are developed.

Please read the following instructions carefully and always keep this manual within

easy reach..

Features

1. Thermal anemometer, available for very low air velocity measurement.

2. Slim probe, ideal for grilles & diffusers.

3. Combination of hot wire and standard thermistor, deliver rapid and precise

measurements even at low air velocity.

4. Records Maximum and Minimum readings with recall.

5. Microprocessor circuit assures maximum possible accuracy, provides special

functions and features.

6. Super large LCD with dual function meter’s display, read the air velocity &

temp. at the same time.

7. Records Maximum and Minimum readings with recall.

8. Data Hold.

9. Power supply by 9V battery.

10. The portable anemometer provides fast, accurate readings, with digital

readability and the convenience of a remote probe separately.

11. Multi-functions for air flow measurement: m/s, km/h, ft/min, MPH, Knots.

12. Build in temperature Cº, Fº measurement.

13. Thermistor sensor for Temp. measurement, fast response time.

14. Used the durable, long-lasting components, including a strong, light weight

ABS-plastic housing case.

15. Deluxe hard carry case.

16. Applications: Environmental testing, Air conveyors, Flow hoods, Clean

rooms, Air velocity, Air balancing, Fans/motors/blowers, Furnace velocity,

Refrigerated case, Paint spray booths.

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2. Specifications

General Specifications

Display 46.7mm × 60 mm larger LCD display.

Dual function meter’s display.

measurement

m/s ( meters per second )

km/h (kilometers per hour )

ft/min (feet per minute)

MPH (miles per hour)

knots ( nautical miles per hour )

Temp. ---, 

Data hold.

Memory Maximum and Minimum with recall

Sampling Approx.0.8 sec

Operating

Temperature

0 to 50 (32to 122)

Operating Humidity Less than 80% RH

Power Supply 9V battery

Power Current Approx. DC 60~90mA

weight 280g

Dimension 210mm×75mm×50mm

Accessories included Hot wire sensor 9V battery

Electrical Specifications

Air Velocity

Measurement Range Resolution Accuracy

m/s 0.1~25.0m/s 0.01m/s

(5%+1d)reading

km/h 0.3~90.0km/h 0.1km/h

ft/min 20~4925/min 1ft/min

MPH 0.2~ 55.8 MPH 0.1MPH

knots 0.2~48.5knots 0.1knots

Notes:

m/s －meters per second km/h －kilometers per hour

ft/min －feet per minute MPH －miles per hour

knots－nautical miles per hour

Temperature

Measuring Range 0 to 50 (32to 122)

Resolution 0.1/0.1

Accuracy

1/1.8

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3. Button

1, Press .The thermal sensor is heated up (5s). Measurement view is opened:

The current reading is displayed, or “――――”lights up if no reading is available.

Press again, turn off the instrument.

2, Press to freeze or unfreeze the displayed readings or air velocity Zero Adjust.

3, Press to enter a Setup option. Press again to store the displayed

setting in memory.

4, Press to turn on the backlight. Press it again to turn off the backlight. Press

button for 3 seconds to start or exit Setup. (See "Changing Setup Options.")

5, Press to scroll to the Setup option you want to change. Press to

increase the displayed setting.

6, Press to start recording and press again to stop recording .if enter a Setup

option .scroll to the Setup option you want to change. Press to decrease the

displayed setting.

7, performing a multi-point mean calculation or performing a mean calculation in time.

8, Press

Max

Min to step through the maximum and minimum readings. To exit the

MAN/MIX mode, press the

Max

Min button for 2 seconds to return to normal operation.

9, To change between displaying the temperature, flow velocity, and calculated

volumetric flow rate: Press

Flow

Temp .

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4. Display Elements

1. Low Power.

2. Primary Display: air velocity, recording data or time.

3. Air velocity units.

4. Secondly display data.

5. Secondly display: air flow, temperature, or air velocity data.

6. Record MAX, MIN display.

7. Sign of multi-point mean calculation.

8. Mean calculation

9. Sign of mean calculation in time.

10. The multiple of Secondly display data.

11. Flow units.

12. Temperature units.

13. Flow area units.

14. The multiple of Primary display data.

15. The Sign of Auto Power Off.

16. The sign of time.

17. Freezing the data.

18. Entering or Exiting Setup.

7 8 9

18 17 16

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4.1 Changing Setup Options

Use Setup to change area unit, flow area, sleep mode settings. The thermometer

stores the settings in its memory.

4.2 Setup Options

4.3 Entering or Exiting Setup

When the thermometer is in Setup mode, the display shows SETUP.

Press button for 3 seconds start or exit Setup.

4.4 Changing a Setup Option

1. Press or to scroll to the setup option you want to change.

2. Press to indicate that you want to change this setting.

3. Press or until the setting you want to use appears on the display.

2. Press to store the new setting in memory.

Notes: Setup is disabled in MIN MAX, Mean mode.

Option Menu

item Settings

Chose area

unit Unit set area unit

Change the

flow area area set area of measuring air

flow

Auto Power Off

mode

SLP auto off or on

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4.5 Area unit Setting

1. When the thermometer is in Setup mode, press or to

scroll to the area unit setup option (refer Fig.2).

2. Press button., The string “AREA” and area unit shows

in the screen.

3. Press or to scroll to unit that you want to change((refer

Fig.3).

4. Press to store the new area in memory.

4.6 Area Setting

Changing the number digits of area and Change the number

value of area. Press or to scroll to the area value

setup option when the thermometer is in the setup mode.

Press button, the area number flashes. Press or

to scroll to digit that you want to change (refer Fig.3).

Press t, the screen indicate that area number with a

flashing digit. Press or to change the flashing digit

from 0 to 9. Press to change the station of flashing digit and press or to

change the number, the adjust order is from right to left. Press to store the

new area in memory.

Fig 1

Fig.2

Fig.3

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4.7 Auto Power Off Mode

The thermometer enters sleep mode (default). That is to say,

the meter will automatically shut off after 20 minutes if no button

press occurs for 20 minutes. When the thermometer is in Setup

mode, the display shows SETUP. Press or to scroll to

the “ SLP ” page . Press to indicate “On” or “OFF”. Press

or until the setting you want to use appears on the

display. Press to store the new setting in memory. On (sleep mode on)or 0FF

(sleep mode off).

5. Measuring Procedure

1. Connect the “Probe’s Plug” to the “Probe Input Socket”.

2. Power on the meter by push the “Power On/Off Button”.

3. Select the desire air velocity units and temperature units.

4. Zero setting:

a. On the “Sensing Head”, slide the sensor cover to the up position to let the air

velocity sensor isolated from the environment.

b. Push the “Zero Button” to let reading value of air velocity shows zero value.

Probe Handle

“Sensor cover” slide to the up position

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Air velocity sensor

Fig 2

Fig.3

5. Slide the sensor cover to the down position, let the air velocity sensor to contact

the air, refer Fig.2. Extent the telescope probe to the convenient length, refer

Fig.4.

6. Direction of the sensor head:

There is mark on the top of the “Sensor Head”, When make the measurement,

then this mark should against the measured wind, refer Fig. 4, Fig5.When sensor

head face against the measurement air, then sensor head face against the

measurement air, then the upper display will show the air velocity value. The lower

display will show the temperature value.

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