PCE Instruments PCE-423 Manuel utilisateur

Manual

HVAC Meter PCE-423

Version 1.0

Date of creation: 10.02.2015

Date of last change: 17.06.2015

PCE Americas Inc.

711 Commerce Way

Suite 8

Jupiter

FL-33458

USA

From outside US: +1

Tel: (561) 320-9162

Fax: (561) 320-9176

[email protected]

www.pce-instruments.com/english

www.pce-instruments.com

PCE Instruments UK Ltd.

Units 12/13

Southpoint Business Park

Ensign way

Hampshire / Southampton

United Kingdom, SO31 4RF

From outside UK: +44

Tel: (0) 2380 98703 0

Fax: (0) 2380 98703 9

[email protected]

Contents

1Introduction ............................................................................................................. 3

2Safety notes ............................................................................................................. 3

3Specification ............................................................................................................ 4

3.1 Technical specifications......................................................................................................... 4

3.2 Contents of delivery............................................................................................................... 4

4System description ................................................................................................. 5

4.1 Display .................................................................................................................................. 5

4.2 Buttons.................................................................................................................................. 6

5Operation ................................................................................................................. 6

5.1 Performing a measurement.................................................................................................... 6

5.2 Measuring functions............................................................................................................... 9

5.2.1 Averaging over a certain amount of readings............................................................................. 9

5.2.2 Averaging over a certain period of time ..................................................................................... 9

5.2.3 Hold function............................................................................................................................. 9

5.2.4 MIN / MAX function................................................................................................................... 9

5.3 Exchange the battery............................................................................................................10

6Setup ...................................................................................................................... 10

6.1 Set the unit of the cross-sectional area (UNIT)......................................................................10

6.2 Adjust the value of the cross-sectional area (AREA)..............................................................12

6.3 Activate/deactivate the auto shut-off function (SLP)...............................................................12

7Software ................................................................................................................. 13

8Contact ................................................................................................................... 14

8.1 PCE Instruments UK.............................................................................................................14

8.2 PCE Americas......................................................................................................................14

Manual

1 Introduction

Thank you for purchasing an anemometer from PCE Instruments.

The PCE-423 anemometer with a thermal sensor stands out for its excellent price/performance ratio. The

PCE-423 anemometer has a high resolution and can be used for different purposes. This PCE-423

anemometer is a part of the basic equipment for professionals working with ventilation systems. The

PCE-423 anemometer is also used in institutional research and development. The thin probe (8 mm

diameter) makes it possible to use the anemometer in areas with a minimum range of measurement,

such as the inside of refrigeration units. Additionally, the PCE-423 anemometer has a telescopic probe

with a max. length of 1 m. Both the USB cable and the software (included in the delivery) allow to connect

the PCE-423 anemometer to a PC or laptop to transfer data continuously. Data can be stored in either txt

or csv format for further analysis.

2 Safety notes

Please read this manual carefully and completely before you use the device for the first time. The device

may only be used by qualified personnel and repaired by PCE Instruments personnel. There is no

warranty of damages or injuries caused by non-observance of the manual.

- The device may only be used in approved temperature ranges.

- The case should only be opened by qualified personnel of PCE Instruments.

- The instrument should never be placed with the user interface facing an object (e.g. keyboard side on a

table).

- You must not make any technical changes to the device.

- The appliance should only be cleaned with a damp cloth / use only pH-neutral cleaner.

This manual is published by PCE Instruments without any guarantee.

We expressly point to our general guarantee terms which can be found in our general terms of business.

If you have any questions please contact PCE Instruments.

Manual

3 Specification

3.1 Technical specifications

Measurement specifications

Sampling rate

approx. 1 / 0.8 s

Measurement range

Wind speed

0.1 … 25.0 m/s

20 … 4925 ft/min

0.2 … 48.5 knots

0.3 … 90 km/h

0.2 … 55.8 mph

Temperature

0.0 … +50.0 °C

Resolution

Wind speed

0.01 m/s

1 ft/min

0.1 knots

0.1 km/h

0.1 mph

Temperature

0.1 °C

Accuracy

Wind speed

± 5 % ± 1 digit (of measured value)

Temperature

± 1 °C

General specifications

Thermal probe

Telescopic probe

Length: 185 … 1000 mm

Max. diameter: 12 mm

Min. diameter: 10 mm

Interface

USB

Display

LCD display (46.7 x 60 mm)

Power supply

1 x 9 V battery

Case

ABS plastic

Auto Power Off

After 5 min of inactivity

Operating conditions

0 … +50 °C , < 80 % RH

Dimensions

210 x 75 x 50 mm

Weight

280 g

3.2 Contents of delivery

1 x anemometer PCE-423 with telescopic probe

1 x software

1 x USB data cable

1 x mains adapter

1 x 9 V battery

1 x instruction manual

1 x carrying case

Manual

4 System description

4.1 Display

1. Low battery indication

2. Main display; shows air velocity, saved data or time

3. Measuring unit air velocity (m/s; ft/min; km/h; MPH; knots)

4. Parameters secondary display: air flow (FLOW), air velocity (VEL), temperature (TEMP) or cross-

sectional area (AREA)

5. Secondary display; shows flow rate, air velocity, temperature or cross-sectional area

6. Indication for recording (REC) or maximum / minimum value (MAX / MIN)

7. Icon for averaging over a certain amount of readings

8. Mean value icon

9. Icon for averaging over a certain period of time

10. Multiplier for secondary display (x 100)

11. Flow rate unit (CFM or CMM)

12. Temperature unit (°C / °F)

13. Unit of flow cross-sectional area

14. Multiplier for main display

15. Auto Power Off symbol

16. Format of time indication

17. Hold function icon

18. Setup icon

Manual

4.2 Buttons

Button

Function

Turn the device on / off

Freeze/unfreeze the current reading on the

display (Hold)

Press and hold to adjust the zero point

(Zero)

Enter a folder in setup menu

Confirm an adjustment

Turn the backlight on / off

Press and hold it for 3 seconds to enter

setup menu

Choose the measuring unit for the main

display (m/s, ft/min, km/h, mph, knots)

Move up in setup menu

Choose the measuring unit for the

secondary display (°C, °F)

Move down in setup menu

Press to start averaging (over a certain

time or amount of readings)

Press to retrieve the maximum / minimum

value of a measurement

Press and hold for 2 seconds to go back to

normal mode

Press to change between flow rate and

temperature indication on the secondary

display

5 Operation

5.1 To carry out a measurement

1.Connect the sensor to the anemometer. Note the marks on the plug and the device.

2.Turn on the device by pressing . A counter appears on the display. After the counter has

reached “0”, the device is ready to use.

3.Choose the measuring units for air velocity and temperature. Press to switch between the

air velocity units on the main display (m/s, ft/min, km/h, mph, knots). Press to switch

between the temperature units on the secondary display (°C, °F).

4.Set the zero point. To do so, please make sure that the metal protection ring on the sensor head

is in the upper position (air velocity = 0). If this is the case, press and hold . (Fig. 1)

Manual

5.Move the protection ring to the lower position (Fig. 2). Use the telescopic stick (Fig. 3) to adjust

the sensor to the desired length. Remember to carefully insert the sensor cable into the

telescopic tube when extending it, to prevent damage to the cable.

6.On top of the sensor, you can find arrows which indicate the flow direction. Please make sure that

these arrows are in line with the actual flow direction (Fig. 4). Now you can see the flow rate

on the main display and the temperature on the secondary display.

Protection ring

in upper

position

Air velocity

sensor

Manual

Flow rate

sensor

flow

direction

Manual

5.2 Measuring functions

5.2.1 Averaging over a certain amount of readings

Press and the current measurement value will appear on the secondary display. By means of the

key you can change the measuring unit. To include this value in the calculation, press . You

can repeat this procedure with as many readings as you wish to.

To finish averaging, press . Now the mean value will appear on the secondary display and the

“MEAN” indication on the display starts flashing. To return to normal measuring mode, please press

again.

5.2.2 Averaging over a certain period of time

Press and hold for 2 seconds until the time (mm:ss) is indicated on the main display. The current

measuring value now appears on the secondary display. To change the measuring unit, press .

After doing so, you can start averaging by pressing . The time indication in the main display starts

to run. You can also pause (and resume) averaging at any time by pressing . To finish averaging,

press . Now the mean value will appear on the secondary display and the “MEAN” indication on the

display starts flashing. To return to normal measuring mode, please press again.

5.2.3 Hold function

Press to freeze the current reading on the display. A “HOLD” indication appears on the display. To

unfreeze the reading, press again.

5.2.4 MIN / MAX function

Press once to show and hold the maximum value on the display. Press again to show and

hold the minimum value. In addition, a “REC” indication and the indications “MAX” or “MIN” appear on the

display. To exit this function and return to the normal measuring mode, press and hold for 2

seconds.

Manual

5.3 To replace the battery

To replace the battery, make sure that the device is turned off. Now move the cover of the battery

compartment downwards, while you push the mark on the cover. After that, you can carefully remove the

cover and remove the battery by releasing it carefully from the plug-in connectors. Next, insert a new

battery and slide the cover of the battery compartment upwards to close it.

6 Setup

To access the setup menu, press and hold for 3 seconds. Now the “SETUP” indication appears.

To exit the setup menu, press and hold again for 3 seconds.

In the setup menu you have the following options:

“UNIT” –Here you can choose the unit of the cross-sectional area. You can switch between in²,

m² and ft².

“AREA” – Here you can adjust the cross-sectional area.

“SLP” – Here you can activate / deactivate the Auto Power Off function.

To navigate through the menu, use and until you see the desired option on the display. Then,

press to confirm.

6.1 Set the unit of the cross-sectional area (UNIT)

To access the unit selection screen for the cross-sectional area, use or until the display

shows “UNIT” (Fig. 1). Now press to confirm. An “AREA” indication should appear on the display.

This means that you can now select the unit of the cross-sectional area by using and . The

selected unit is shown next to the “AREA” indication. To confirm your selection, press . To exit the

setup menu, hold for 3 seconds.

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