SEFRAM 9862 Manuel utilisateur

SEFRAM 9862

Hot Wire Anemometer

Instruction Manual

32, rue Edouard Martel

BP55

F42009 –Saint Étienne Cedex 2

E-mail: sales@sefram.fr

Tel : 04 77 59 01 01

Fax : 04 77 57 23 23

Web : www.sefram.fr

Hot Wire Anemometer

CONTENTS

TITLE PAGE

1. General Description….…………………………………………………….……………..1

2. Safety Information………………………………………………………………………...1

3. Application……………….……………………………………………………………….1

4. Features……………….………………………………………………………………….1

5. Specifications……………………………………………………………………………...2

6. Symbol Definition and Button Location………......................................................3

7. Button Instructions…….…………………….…………………...................................6

7.1 Power ON/OFF/ Backlight button……………………………..............................6

7.2 Data-Hold button……………...............................................................................6

7.3 MAX/MIN/AVG button………...............................................................................6

7.4 Flow button…..……………..................................................................................6

7.5 Unit button…..…………………….........................................................................7

7.6 °C /°F Button………………….………………………..........................................7

8. Operating Instructions…………………………………………...........………………...7

8.1 Setup Options……………………………………..................................................7

8.2 Menu Item………………………………………………………...............................7

8.3 Menu Description………………………………………………..............................9

8.3.1 Set Duct Area……………...…..…...……………………..............................9

8.3.2 Set Absolute pressure.……..……...……………………..............................9

8.3.3 Set auto power off time.……..……...…………………................................9

9. Measuring Procedure………………………………………………..…………...........10

9.1 Extending the Probe………………..………………………….…….......................10

9.2 Using the Telescoping Probe…….…..…………….………………………............10

10. Power Preparation……………………………………………………………...........10

10.1 Battery Replacement……………..………………………………………..............10

10.2 AC Adapter Connection…….…..…………………………………........................11

11. Maintenance.….….………..…………………………………………………...……..11

Hot Wire Anemometer

1. GENERAL DESCRIPTION

Thank you for choosing our Hot Wire Anemometer. To ensure the safety and the best performance

of this instrument, we recommend you to read and follow the manual carefully before operation.

2. SAFETY INFORMATION

Read the following safety information carefully before attempting to operate or service the meter.

Use the meter only as specified in this manual; otherwise, the protection provided by the meter

may be impaired.

✽✽DANGER✽✽

The meter is not designed for use in gas mixtures other than air. DO NOT use the unit with

corrosive or other dangerous or explosive gas mixtures.

ENVIRONMENT CONDITIONS

Altitude up to 2000 meters

Relatively humidity: 90% max

Operation ambient temperature: 0°C to 50°C

MAINTENANCE & CLEARING

Repairs or servicing not covered in this manual should only be performed by qualified

personnel.

Periodically wipe the case with a dry cloth. Do not use abrasives or solvents on this instrument.

SAFETY SYMBOLS

Comply with EMC

When servicing, use only specified replacement parts.

3. APPLICATION

Measuring volumetric flow rates or flow velocities in ducts

Measuring the temperature and humidity of flows

HVAC system performance

4. FEATURES

Fast response.

Telescoping hot wire probe.

Air flow measure: CMM、CFM.

Air velocity measurement:

m/s, km/hr, ft/min, MPH, Knots & build in temperature ºC / ºF, humidity RH.

Large LCD display with backlight.

Min/Max/Avg & 2/3Vmax function.

Data Hold function.

With USB interface supply power.

Hot Wire Anemometer

Battery Life indicator.

Adjustable auto power off timer.

Air velocity compensation in atmospheric pressure.

Tilt Stand.

5. SPECIFICATIONS

Velocity Probe Range:

0 to 30 m/s(0 to 6000 ft/min)

0 to 999900 m3/min(ft3/min)

-20 ºC ~60 ºC (-4 ºF ~140 ºC)

0~100%RH

Resolution:

0.01 m/s(1 ft/min)

0.001 m3/min(ft3/min)

0.1 ºC /ºF

0.1%RH

Accuracy:

(at 23 ºC ±5 ºC <80%RH)

±3% of reading ± 1%FS (0 to 20 m/s)

±5% of reading ± 1%FS (20 to 30 m/s)

±0.8 ºC (±1.5 ºF)

±3.5%RH at (20% ~ 80%RH)

±5%RH at (0% ~ 100%RH)

Warm Up Time:

5 seconds

Sample Rate

2 time per second

Battery:

9V Alkaline battery

USB Power Adapter:

DC 5V 0.5A

Battery Lifetime

Approx. 10 hours (alkaline battery)

Operation Temperature

Meter / Probe :

0°C to 50°C (32°F to 122°F) / -20°C to 60°C (-4°F to 140°F)

Operation Humidity:

10 to 90%RH (no condensing)

Storage Temperature:

-20°C to 60°C (-4°F to 140°F)

Storage Humidity:

10 to 75%RH

Dimensions:

Meter:

185mm(L) × 65mm(W) × 36mm(H) /

7.28 inches(L) × 2.56 inches(W) × 1.41 inches(H)

Wire length: 185 cm

Probe length: 87 cm

Probe diameter of tip: 9.0 mm

Probe diameter of base:16.0 mm

Weight:

Approx.412 g(included battery and probe)

Hot Wire Anemometer

Standard Accessories：

Instruction manual, battery 9V Alkaline x 1 pcs, carrying

case.

6. SYMBOL DEFINITION & BUTTON LOCATION

: Battery condition indicator

:Air velocity indicator

: Air velocity Minimum indicator

: Air velocity Maximum indicator

: Air velocity Average indicator

: Auto Power Off enabled indicator

: Air velocity reading

: Air velocity measurement units

: Air flow indicator

: Air flow Maximum indicator

: Air flow 2/3V Maximum indication

: Air flow Average indicator

: Air flow reading

Hot Wire Anemometer

: Multiply reading by ten

: Multiply reading by one hundred

: Multiply reading by one thousand

: Air flow measurement units

: Area setting units

: Duct Area indication

: Round Duct diameter dimension indication

: Rectangle Duct X and Y dimension indication

: Pressure indication

: Temperature reading

: Temperature measurement units

: Relative Humidity reading

: Relative Humidity measurement units

: Data hold indication

Hot Wire Anemometer

○,1Sensor Probe (Measurement direction)

○,2Protective Shutter

○,3Telescoping Probe

○,4Display Screen

○,5Power ON/OFF and Back Light Button

○,6MAX MIN AVG Button

○,7FLOW MAX 2/3VMAXAVG Button

○,8DATA HOLD Button

○,9Unit Button

○,10 °C/°F Button

○,11 Power Source Interface(micro USB type)

○,12 Tilt Stand

○,13 Battery Compartment

Hot Wire Anemometer

7. BUTTON INSTRUCTIONS

7.1 Power ON/OFF/ Backlight Button:

Press the button to turn on the meter and then press the to turn on the LD backlight.

Press again to turn off backlight. This makes it easier to read in dark environment. The

backlight will be automatically turned off after 30 seconds to save battery power. Press and hold

button for 3 seconds to turn off. There is a 5 second count down as the meter warms up.

7.2 Data-Hold Button :

Press button to freeze the data shown on the LCD screen. Press it again to exit Data-Hold

mode.

Note: When the unit is in the Data-Hold mode, / / / buttons are disabled.

7.3 MAX/MIN/AVG Button:

Under this mode, the unit simultaneously monitors and stores the maximum, minimum and

average value in the memory. The unit will keep updating/refreshing the data.

To start:

(1) Press button. “ ”symbol lights up on LCD, the reading shows the maximum data.

(2) Press button again to show minimum data; the “”symbol lights up on LCD.

(3) Press button again to show average data; the “” symbol lights up on LCD.

(4) Press button again, the “ , and ”symbol blinks together, the readings

shows real time data.

To exit MAX/MIN/AVG mode:

Press and hold button for 2 seconds to exit MAX/MIN/AVG mode.

7.4 FLOW Button :

AIR FLOW = (AIR VELOCITY) x (AREA)

Under this mode, the unit simultaneously monitors and stores the maximum, 2/3V maximum and

average value in the Air flow. The unit will keep updating/refreshing the data.

To start:

(1) Press button. “ ”symbol lights up on LCD, the reading shows the maximum data.

(2) Press button again to show two-third Velocity maximum data; the “ ”symbol

lights up on LCD.

(3) Press button again to show average data; the “” symbol lights up on LCD.

Hot Wire Anemometer

(4) Press button again, the “ , and ”symbol blinks together, the

readings shows real time data.

To exit MAX/2/3V MAX/AVG mode:

Press and hold button for 2 seconds to exit MAX/2/3VMAX/AVG mode.

7.5 Unit Button:

Press to select the desired unit of air velocity.

7.6 °C/°F Button:

Press to select the desired unit of temperature.

8. OPERATING INSTRUCTIONS

8.1 Setup Options:

(1) Power off the meter and then press the and button for 3 seconds to enter setup

mode. Press to exit anytime.

(2) Press the button to enter the setting option.

(3) Press the button to save changes and move to next setting option.

8.2 Menu Item:

(1) Fig.1 Setup mode.

(2) Fig.2 Set Area.

Hot Wire Anemometer

(3) Fig.3 Set Round Duct diameter dimension.

(4) Fig.4 Set Rectangle Duct X dimension.

(5) Fig.5 Set Rectangle Duct Y dimension.

(6) Fig.6 Set absolute pressure.

(7) Fig.7 Set auto power off time.

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