Sper scientific 850024 Bedienungsanleitung

Hot Wire Anemometer

SD Card Datalogger

850024

Instruction Manual

2 3

Hot Wire Anemometer SD Card Datalogger 850024

Printed in the USA

The contents of this manual may not be reproduced

or transmitted in any form or by any means electronic,

mechanical, or other means that do not yet exist or

may be developed, including photocopying, recording,

or any information storage and retrieval system without

the express permission from Sper Scientic.

TABLE OF CONTENTS

INTRODUCTION .................................................................. 4

FEATURES ........................................................................... 5

MATERIALS SUPPLIED ....................................................... 6

POWER SUPPLY ................................................................ 6

KEYPAD ............................................................................... 7

METER COMPONENTS ...................................................... 8

SETUP MODE .................................................................... 10

MEASUREMENT PROCEDURES ..................................... 14

DATALOGGER ................................................................... 19

BATTERY REPLACEMENT ............................................... 22

TROUBLESHOOTING ....................................................... 22

OPTIONAL ACCESSORIES ............................................... 23

SPECIFICATIONS .............................................................. 24

WARRANTY ....................................................................... 28

4 5

INTRODUCTION

The Sper Scientic Hot Wire Anemometer SD Card

Datalogger (Model 850024) is an extremely accurate

meter with fast response times that reads air temperature

and velocity, and functions as a Type K/J thermocouple

thermometer.

This meter features a real time SD memory card

datalogger. Standard, portable SD memory cards provide

unlimited data storage and upload pre-formatted data

directly to Excel, eliminating the need for cables or

software. Each data set includes temperature, time and date.

FEATURES

• Reads air velocity and temperature and functions as a Type

K/J thermometer

• Telescopic Hot Wire Probe provides high accuracy in high

and low velocities

• SD memory card datalogger

• Manual datalogger option

• Fast response time for air temperature

• Highly accurate microcomputer circuit

• Direct upload of data to Excel

• Telescopic probe for measuring exibility

• Internal clock and calendar

• Touch-tone

• Tripod mounting screw

• Built-in tabletop stand

• Maximum and minimum

• Hold function

• Auto-power-o󰀨

• Low battery indicator

• Backlight

6 7

MATERIALS SUPPLIED

• Meter

• Telescopic Hot Wire Probe

• SD Card

• 6 AA Batteries

• Instruction Manual

• Hard Carrying Case

POWER SUPPLY

This meter can be powered by six AA (1.5 V, UM3) batteries

or an optional 9 Volt DC adapter. See page 22 for battery

replacement instructions.

Plug the adaptor into the power port labeled “DC 9V,” located

on the side of the meter.

Note…

When using the adapter to run the meter, the meter will remain

permanently on and the POWER button will be disabled.

KEYPAD

LCD

Display

POWER

(ESC,

Backlight)

SET (▼,

TIME

CHECK)

LOGGER (▲ ,

SAMPLING

TIME

CHECK)

FUNCTION/

HOLD/NEXT

REC/ENTER/

UNIT

8 9

METER COMPONENTS

Top of Meter

Bottom of Meter

Side of Meter

Anemometer Probe

Input Socket

Type K/J

Thermometer

Socket

SD Card

Socket

RESET

RS232 Output

DC 9V Adapter

Input Socket

METER COMPONENTS

Back of Meter

Probe

Tripod

Mounting

Screw

Battery Cover

Screws

Battery

Compartment/

Cover

Stand

Sensing Head

Telescope

Probe Probe Plug

10 11

SETUP MODE

The advanced Setup Mode allows you to customize the

following meter preferences and defaults:

• Real Time Clock

• Decimal Type

• Auto Power O󰀨

• Touch-Tone

• Thermometer Type K/J

• Temperature Units

• Sampling Time

• SD Memory Card Format

Note…

The setup functions can be performed under any parameter

but not while utilizing the datalogger function. Once

selections are saved, the meter will default to the selected

preferences when the meter is turned o󰀨 and on again.

Once a selection is saved, the meter automatically advances

to the next setup function (i.e., after setting the real time

clock, the meter will automatically enter the decimal type

setup function).

1. Press POWER to turn the meter on.

2. Press SET for 2 seconds or longer to enter Setup Mode.

3. Press ENTER to cycle through the setup functions. Then

press ENTER again.

Note…

Press ESC to exit Setup Mode. The meter will return to

Normal Mode. Real Time Clock

SETUP MODE

Real Time Clock

1. Enter the clock function from Setup Mode

(see page 10). “dAtE” appears on the LCD.

2. Press ENTER. The year will appear on the LCD.

3. Press ▲ or ▼ to adjust the value. Press ENTER to

save the value.

4. Repeat Step 3 to adjust the month, date, hour, minute

and second.

Note…

This procedure adjusts the meter’s internal clock. The

internal clock will function when the meter is turned o󰀨 but

only when the batteries have adequate power (not with low

battery power.)

Decimal Type

Although the decimal is commonly expressed as the “.”

symbol (such as 20.6 or 1000.53), some (European)

countries use a “,” symbol to represent the decimal (such as

20,6 or 1000,53). The meter defaults to the period symbol.

To adjust:

1. Enter the decimal type function from Setup Mode

(see page 10). “dEC” appears on the LCD.

2. Press ▲ or ▼ to select Basic (.) or Euro (,).

Press ENTER to save the selection.

12 13

SETUP MODE

Auto Power O󰀨

The meter automatically turns o󰀨 after 10 minutes of

inactivity, however this function can be disabled.

1. Enter the auto power o󰀨 function from Setup Mode

(see page 10). “PoFF” appears on the LCD.

2. Press ▲ or ▼ to select yes (auto power off enabled)

or no (auto power off disabled). Press ENTER to save

the selection.

Touch-Tone

1. Enter the touch-tone function from Setup Mode

(see page 10). “bEEP” appears on the LCD.

2. Press ▲ or ▼ to select yes (touch-tone enabled) or no

(touch-tone disabled). Press ENTER to save the selection.

Thermometer Type K/J

1. Enter the thermometer type function from Setup Mode

(see page 10). “tYPE” appears on the LCD.

2. Press ▲ or ▼ to select K or J. Press ENTER to save

the selection.

Temperature Units

1. Enter the temperature units function from Setup Mode

(see page 10). “t-CF” appears on the LCD.

2. Press ▲ or ▼ to select C (degrees Celcius) or F (degrees

Fahrenheit). Press ENTER to save the selection.

SETUP MODE

Sampling Time

The sampling time is the time allotted between successive

measurements. To adjust the sampling time (in seconds):

1. Enter the sampling time function from Setup Mode

(see page 10). “SP-t” appears on the LCD.

2. Press ▲ or ▼ to adjust the value (0, 1, 2, 5, 10,

30, 60, 120, 300, 600, 800, 1800, 3600 seconds).

Press ENTER to save the value.

SD Memory Card Format

Enabling this function will format the SD memory card to

work specically with your meter. Formatting the SD card

will erase any previous memory on the card. New SD cards

should be formatted to work with your meter.

1. Enter the SD memory card format function from Setup

Mode (see page 10). “Sd F” appears on the LCD.

2. Press ▲ or ▼ to select yes (format the SD memory card)

or no (do not format the SD memory card). Press ENTER

to conrm your selection. If selecting yes, “YES Enter” will

appear on the LCD, press ENTER again and the meter

will format the SD card.

14 15

MEASUREMENT PROCEDURES

Turning the Unit On/O󰀨

1. Press POWER to turn the meter on.

2. Press and hold POWER for 2 seconds to turn

the meter o󰀨.

Selecting the Function

1. Press and hold FUNC to cycle through the options

listed below. Release FUNC when you reach the

desired function.

• Air velocity/temperature: “An” appears on the LCD.

• Type K/J thermometer: “tP” appears on the LCD.

Note…

The meter will default to the last function setting used when

it is turned o󰀨 and on again.

Selecting the Air Velocity Unit

1. To select the air velocity unit, press and hold UNIT.

The meter will cycle through m/S, Km/h, mph, Knot,

FPM in sequence.

2. Release UNIT when the desired unit appears on the LCD.

Note…

To change the temperature unit, see page 12.

MEASUREMENT PROCEDURES

Air Velocity and Air Temperature

1. Press POWER to turn the meter on.

2. Plug the anemometer probe plug into the anemometer

probe input socket.

3. Press and hold FUNC to cycle through the options until

“An” appears on the LCD. Release the FUNC button.

4. Hold the probe handle and point the directional mark on

the probe head toward the air ow. The air velocity

value appears on the upper display and the air

temperature value appears on the lower display.

Note….

Do not use ngers or any tools to touch the air velocity

sensor, as it could damage the unit and void the warranty.

Point the white dot indicator on the probe head toward the

air ow.

When the probe

is not used, the

sensor cover

should be in the

up position.

Probe Handle

⁭⁭ ⁭⁭

Direction mark

Air velocity sensor

Sensor cover

slides down when

using the probe.

⁭⁭⁭⁭⁭⁭

16 17

MEASUREMENT PROCEDURES

Type K/J Thermometer

1. Press POWER to turn the meter on.

2. Press and hold FUNC to cycle through the options until

“tP” appears on the LCD. Release the FUNC button.

3. The anemometer probe must be disconnected from

the meter to obtain accurate Type K/J readings.

4. Plug a thermocouple temperature probe (type K or J) into

the type K/J thermometer socket. The LCD will display the

measurement value from the temperature probe.

5. “K” or “J” appear on the LCD to indicate the type

of thermometer.

Note…

When using the meter for the rst time, the meter will default

to K type thermocouple. See page 12 for instructions on

selecting the thermocouple type.

Hold Function

1. When measuring any parameter, press HOLD to

freeze the reading on the display. “HOLD” will appear

on the LCD.

2. Press HOLD again to release the hold function.

“HOLD” will disappear from the LCD.

MEASUREMENT PROCEDURES

Maximum and Minimum

To record maximum and minimum readings:

1. When measuring any parameter, press REC to begin

recording the maximum and minimum values. “REC”

appears on the LCD.

2. Press REC. The maximum value and “REC MAX” will

appear on the LCD.

3. Press REC. The minimum value and “REC MIN” will

appear on the LCD.

4. To delete the maximum or minimum value, press HOLD.

“REC” appears on the LCD and the meter will begin

recording the maximum and minimum values again.

5. To exit the min/max function, press and hold REC

for 2 seconds or longer. The meter will return to

Normal Mode.

Note…

The meter cannot be turned o󰀨 from the memory record

function. Exit the function, then press and hold POWER to

turn the meter o󰀨.

18 19

MEASUREMENT PROCEDURES

Backlight

The backlight turns on automatically when the meter is

turned on.

Press to turn the backlight o󰀨.

Press to turn the backlight on.

View Real Time Clock

To view the time function during normal measurement

(not during datalogging):

Press TIME CHECK. The time information (Year, Month/

Date, Hour/Minute) will appear on the lower

display of the LCD.

View Sampling Time

To view the sampling time function during normal

measurement (not during datalogging):

Press SAMPLING CHECK. The sampling time

(in seconds) will appear on the lower display of the LCD.

DATALOGGER

Preparing the Datalogger

1. Insert the SD card into the SD card socket on the

bottom of the meter, ensuring that the front of the SD card

faces the back of the meter.

2. Format the SD card as needed (see page 13).

3. Set the real time clock if using the meter for the rst time

(see page 11).

4. Set the decimal type if using the meter for the rst time

(see page 11).

Auto Datalogging

1. Set the sampling time to ≥ 1 second (see page 13).

2. Press REC. “REC” will appear on the LCD.

3. Press LOGGER. “REC” will ash on the LCD and the

alarm will sound while the measurement data and time

information are saved to memory.

4. To pause datalogging, press LOGGER. The meter will

temporarily stop recording and “REC” will stop ashing on

the LCD. Press LOGGER again to resume

datalogging. “REC” will ash on the LCD.

5. To nish datalogging, press LOGGER to pause

datalogging, then press REC for 2 seconds or longer.

“REC” will disappear from the LCD to indicate that

datalogging has ended.

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