Model
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SD-2010
Heat Stress
Meter and
Datalogger
Instruction
Manual
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Table of Contents
Features ............................................................................................ 3
Specications ................................................................................4-5
Instrument Description ..................................................................... 6
Operating Instructions .................................................................7-11
Function selection ..........................................................................7
WBGT Measurement ..................................................................... 7
WB Measurement ..........................................................................7
Dew Point Temperature Measurement ........................................... 8
TG Measurement ...........................................................................8
Humidity and TA Measurement ...................................................... 8
Data Hold ......................................................................................8
Data Record ...............................................................................8-9
Backlight ON/OFF .......................................................................... 9
Datalogger ..................................................................................... 9
Auto Datalogger ........................................................................9-10
Manual Datalogger ....................................................................... 10
Checking the Time ....................................................................... 10
Check Sampling Time Information ................................................ 10
SD Card Data Structure ............................................................... 11
Data Transfer from SD card to Computer ..................................... 11
Advanced Settings ....................................................................13-14
Set Clock Time ............................................................................12
Set WBGT Alarm Value ................................................................ 13
Setting the Decimal point on the SD Card .................................... 13
Auto power OFF management ..................................................... 13
Set Beeper Sound ON/OFF .........................................................13
Select the Temperature unit to °C or °F ........................................ 14
Set sampling time ........................................................................ 14
SD memory card Format ............................................................. 14
PC Serial Interface .......................................................................... 15
System Reset ................................................................................. 16
Battery Replacement ...................................................................... 16
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Features
• Wet Bulb Globe Temperature (WBGT) considers the effects of temperature, humidity and direct or radiant sunlight
• Black Globe Temperature (TG) monitors the effects of direct solar
radiation on an exposed surface
• In/Out function displays the WBGT value with or without direct sun
exposure
• View individual temperatures or indices in either °F or °C
• User adjustable WBGT threshold with audible alarm if threshold is
exceeded
• Real time SD memory card datalogger with a built-in clock and
calendar
• Sampling time set from 1 second to 3600 seconds
• Meter can switch to a Manual Datalogging
• No extra software needed, just plug the SD card into the computer
and it downloads directly to EXCEL
• SD card capacity: 1 GB to 16 GB
• Easy to read LCD with backlight
• Auto power off or manual power off
• Data hold, record max. and min. reading
• High accuracy microcomputer circuit
• Power by UM3/AA (1.5 V) x 6 batteries
• USB/RS232 Computer interface
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Specifications
Circuit: Custom microprocessor LSI circuit
Display: 52mm x 38mm LCD with backlight
Measurements: Indoor/Outdoor Wet Bulb Globe Temperature
(WBGT), Black Globe Temperature (TG), Air
Temperature (TA), Wet Bulb Temperature (WB),
Humidity, Dew Point Temperature
Temperature units: (°C, °F)
Auto Sampling Time: 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800,
3600 seconds
Memory Card: SD memory card, 1 GB to 16 GB
Sampling Time: Approx. 1 second
Data Output: USB/RS232 PC computer interface
Resolution: 0.1°C/0.1°F
Operating Temperature: 0-50°C (0-122°F)
Operating Humidity: Less than 85% R.H.
Power Supply: UM3/AA (1.5 V) x 6 batteries
Weight: 515g/1.13lb
Dimensions: Main instrument: 177 x 68 x 45mm;
Black Brass Ball: 75mm Dia.
Includes: Black Brass Ball (with sensor) and soft
carrying case
Optional accessories: 2G SD Card (SD-2GB)
USB cable (USB-01)
Power adapter (AP-9VA-110V)
Data Acquisition Software (SW-U801-WIN)
Tripod (BS-6)
Visit us at www.reedinstruments.com for more information on our optional
accessories, or e-mail us at info@reedinstruments.com
Wet Bulb Globe Temperature
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Indoor formula: 0.7WB + 0.3TG
Indoor Range: 0°C - 59°C (32°F - 138°F)
Indoor Accuracy: ±1°C (± 1.8°F)
Outdoor formula: 0.7WB + 0.3TG + 0.1TA
Outdoor Range: 0°C - 56°C (32°F - 132°F)
Outdoor Accuracy: ±1.5°C (± 2.7°F)
Air temperature (TA)
Range: 0 - 50°C (32 - 122°F)
Accuracy: ±0.8°C (± 1.5°F)
Dew Point Temp. Range: -25.3 - 48.9°C (-13.5 to 120.1°F)
Wet Bulb Temp. Range: -21.6 - 50.0°C (-6.9 to 122.2°F)
Black globe temperature (TG)
Range: 0 - 80°C (32 - 176°F)
Accuracy: ±0.6°C (± 1.1°F)
Humidity
Range: 5% - 95% RH
Resolution: 0.1% RH
Accuracy: ≥70% RH: ± (3% reading + 1% RH)
<70% RH: ± 3% RH.
Instrument Description
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1. Display
2. Power, ESC, & Backlight Button
3. Hold, Function, & Next Button
4. REC, Enter, & In/Outdoor Button
5. SET, Down, & Time Check Button
6. Logger, Up, & Sampling Time
Check Button
7. Humidity and Air Temperature
Sensor (TA Sensor)
8. Black Ball (TG Sensor)
Operating Instructions
9. SD card slot
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10. USB/RS232 Output
11. Reset Button
12. AC/DC 9V Power Adapter Input
Socket
13. Battery Compartment/Cover
14. Battery Cover Screws
15. Stand
16. Tripod Fix Nut
17. Black Ball Fix Screw
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Function selection
1) Turn on the meter by pressing the Power Button. To turn the meter
off, hold the Power Button for over 2 seconds.
2) The meter has 5 measuring functions to choose from: WBGT,
WB, Dew Point, measurements, TG, Humidity measurements, Air
Temperature. When the meter is on, press and hold the Function
Button. The display will ash “_bgt” for WBGT measurements, “_b”
for WB measurements, “dP” for Dew Point measurements, “tg” for
TG measurements, “rH” for Humidity measurements, and “tA” for
Air Temperature measurements. Release the Function Button to
choose the displayed function.
WBGT Measurement
1) Turn on the meter by pressing the Power Button. To turn the meter
off, hold the Power Button for over 2 seconds.
2) Function select to “_bgt”. The upper Display will show the WBGT
value. The lower Display will show the text “_bgt in” for indoors,
or “-bgt out” for outdoors. While taking a measurement, press and
hold the In/Outdoor Button to scroll between Indoor or Outdoor
measuring. Release the IN/Outdoor Button to make your selection.
3) To set the WBGT alarm, please see the Advanced Settings section.
WB Measurement
1) Turn on the meter by pressing the Power Button.
2) Function select to “_b”. The upper Display will show the WB value.
The lower Display will show the text “_b”.
Dew Point Temperature Measurement
1) Turn on the meter by pressing the Power Button.
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2) Function select to “dP”. The upper Display will show the Dew Point
Temperature value. The lower Display will show the text “dP”.
TG Measurement
1) Turn on the meter by pressing the Power Button.
2) Function select to “tg”. The upper Display will show the TG value.
The lower Display will show the text “tg”.
Humidity and TA Measurement
1) Turn on the meter by pressing the Power Button.
2) Function select to “rH”. The upper Display will show the Humidity
value. The lower Display will show the TA value.
Data Hold
While taking a measurement, press the Hold Button once and the measured value will hold on the screen, and a HOLD symbol will appear.
Press the Hold Button once again will release the data hold function.
Data Record (Max., Min. reading)
The data record function records the maximum and minimum readings.
Press the REC Button once to start the Data Record function and a “REC”
symbol will appear on the display. With the “REC” symbol on the display:
1) Press the REC Button once, and a ”REC. MAX.” symbol along with
the maximum value will appear on the display. To delete the maximum value, press the Hold Button once and the display will show
a “REC.” symbol only and execute the memory function continuously.
2) Press the REC Button again, and a “REC. MIN.” symbol along
with the minimum value will appear on the display.
To delete the minimum value, press the Hold Button once, and the
display will show a “REC.” symbol only and execute the memory
function continuously.
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3) To exit the memory record function, press the REC button for 2
seconds. The display will revert to the current reading.
Backlight ON/OFF
After powering the meter ON, the LCD Backlight will turn on automatically. While taking measurements, press the Backlight Button and the LCD
Backlight will turn off. Press the Backlight Button once again to turn the
LCD Backlight back ON.
Datalogger
Preparation Before Executing the Datalogger Function:
1) Insert the optional SD card into the SD card socket.
2) Before you use an SD card with this meter for the rst time, it is
recommend to format the SD card. See Advanced Settings section
of this manual for instructions.
3) If this is the rst time the meter is used you need to adjust the
clock. See Advanced Settings section of this manual for instructions.
4) Now you need to set the decimal format. The numerical data structure downloaded to the SD card is defaulted used the “.” as the
decimal, for example “20.6” “1000.53”. But in certain countries the
“,” is used as the decimal point, for example “20, 6” “1000,53”. See
Advanced Settings section of this manual for instructions on how
to change the Decimal Character.
Auto Datalogger (Set sampling time ≥1 second)
1) Start Datalogging; press the REC Button, and the “REC” symbol
will appear on the LCD screen, then press the Logger Button, the
“REC” symbol will ash while the measuring data and time information is being saved in memory.
To set the sampling time, and to toggle the beeper sound on or off,
refer to the Advanced Settings section of this manual.
2) Pause the Datalogging; while Datalogging, if press the Logger But-
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ton once. While paused, the “REC” symbol will stop ashing. Press
the Logger Button again to resume Datalogging, and the “REC”
symbol will begin to ash again.
3) Stop Datalogging; while the Datalogger function is paused, press
the REC Button for 2 seconds. The “REC” symbol will disappear
indicating the Datalogging function has stopped.
Manual Datalogger (Set sampling time = 0 seconds)
1) Set sampling time is to 0 second; Press the REC Button, and the
“REC” symbol will appear on the LCD screen. Press the Logger
Button, and the “REC” symbol will ash once and one Beep will
sound, at the same time the measuring data along the time information will be saved in memory. The lower Display will show the
Position (record) number, which is saved as well.
2) To Change the Position Number; press the Down Button and the
lower position number will ash on the display. Press the Up or
Down Buttons to set the Position Number (1 to 99) to help identify
the measurement location. The lower Display will show P x (x = 1 to
99). After the position number is selected, press the Enter Button to
conrm.
3) Stop Datalogging; press the REC Button for 2 seconds, and the
“REC” symbol will disappear indicating the Datalogging function
has stopped.
Checking the Time
During normal functions (not Datalogging), press the Time Check Button
and the lower LCD display will show the Year, Month/Date, Hour/Minute.
Check Sampling Time Information
During normal functions (not Datalogging), press the Sampling Button and
the lower LCD display will show the Sampling Time Information.
SD Card Data Structure
1) The rst time the SD card is used in the meter, the SD card will
generate a folder: WBA01
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2) The rst time you use the Datalogger, in the folder WBA01, a new
le name WBA01001.XLS will be created. The Datalogger will
use this le until the Data has reached to 30,000 rows. The meter
will then will generate a new le with a subsequent number, for
example WBA01002.XLS.
3) The folder WBA01can hold 99 .XLS les. When that number has
been reached, the meter will then will generate a new folder with a
subsequent number, for example WBA02. Max number of WBA-folders is 10.
Data Transfer from SD card to Computer (EXCEL Software)
1) After Datalogging, remove the SD card from the SD card slot.
2) Plug in the SD card into the Computer’s SD card slot or insert the
SD card into the optional SD card adapter and connect to your
Computer. Turn your computer on and a folder will appear on your
desktop representing you SD card.
3) Open “Microsoft EXCEL”. Download the EXCEL les from the SD
Card to the computer by opening up the SD folder and selecting
the desired EXCEL les, and drag-and-drop them onto your Computer. Open the les with EXCEL (File – Open).
4) The EXCEL le will have the following column headers in this order:
Place (Position Number), Date (Year/Month/Day), Time (in 24h
clock), Value, and Unit.
Advanced Settings
During normal functions (not Datalogging), press and hold the SET Button
for 2 seconds to enter the “Advanced Setting” mode. Press the Next But-
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ton scroll through eight main functions, shown on the lower display:
dAtE Set clock time (Year/Month/Date, Hour/Minute/Second)
AL SET WBGT Alarm Value
dEC Set SD card Decimal character
PoFF Auto power OFF management
bEEP Set beeper sound ON/OFF
t-CF Select the temperature unit to °C or °F
SP-t Set sampling time (Hour/Minute/Second)
Sd F SD memory card Format
While in the “Advanced Setting” function, press the Esc Button to exit and
to return to normal functioning.
Set Clock Time
1) When the lower display shows “dAtE”, press the Enter Button.
Use the Up and Down Buttons to adjust the Year. After the desired
value is set, press the Enter Button to adjust the Month, Date, Hour,
Minute, and Second values.
2) After all the time values have been set the screen will jump to “SD
card Decimal character” setting screen. To exit “Advanced Settings”, press the Esc Button.
Note: After the time value is set, the internal clock will run even when the
power is off, if the battery is under normal conditions.
Set WBGT Alarm Value
1) When the lower display shows “AL”, use the Up or Down Buttons
adjust the WBGT Alarm value. If the WBGT measurement is above
the alarm setting, a buzzer will sound.
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2) Press the Enter Button to save the setting as the default. To exit
“Advanced Settings”, press the Esc Button.
Setting the Decimal point on the SD Card
1) When the lower display shows “dEC”, use the Up or Down Buttons
to toggle between “bASIC” (“.” Decimal Point) or “Euro” (“,” Decimal Point).
2) After the Decimal point character has been selected, press the
Enter Button to save the setting as the default. To exit “Advanced
Settings”, press the Esc Button.
Auto power OFF management
1) When the lower display shows “PoFF”, use the Up or Down Buttons to select the value “yES” (Enable Auto Power Off) or “no”
(Disable Auto Power Off.
2) After selecting “yES” or “no”, press the Enter Button to save the
setting as the default. To exit “Advanced Settings”, press the Esc
Button.
Set Beeper Sound ON/OFF
1) When the lower display shows “bEEP”, use the Up or Down Buttons to select “yES” (Beeper Sound is ON) or “no” (Beeper Sound
is OFF).
2) After selecting “yES” or “no”, press the Enter Button to save the
setting as the default. To exit “Advanced Settings”, press the Esc
Button.
Select the Temperature unit to °C or °F
1) When the lower display shows “t-CF”, use the Up or Down Buttons
to select “C” (for °C) or “F” (for °F).
2) After selecting “C” or “F”, press the Enter Button to save the set-
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ting as the default. To exit “Advanced Settings”, press the Esc
Button.
Set sampling time
1) When the lower display shows “SP-t”, use the Up or Down Buttons
to adjust the value to either 0, 1, 2, 5, 10, 30,60, 120, 300, 600,
1800, or 3600 seconds.
2) After the Sampling value is selected, press the press the Enter Button to save the setting as the default. To exit “Advanced Settings”,
press the Esc Button.
SD memory card Format
Please Note: Formatting the SD card erases all data from that SD card.
1) When the lower display shows “Sd F”, use the Up or Down Buttons
to select “yES” (format the SD card) or “no” (do not format the SD
card).
2) To format your SD card, select “yES” and press the Enter Button.
The Display will show “yES Enter”, to conrm. Press the Enter Button to conrm.
PC Serial Interface
The instrument features an PC output via 3.5 mm terminal. The connector
output is a 16 digit data stream which can be utilized to the user’s specic
application. An USB RS232 lead with the following connection will be
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required to link the instrument with the PC serial input.
Meter (3.5mm Jack Plug) PC (9W “D” Connector)
Center Pin Pin 2
Ground/Shield Pin 5
The 16 digit data stream will be displayed in the following format:
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
D0 End Word
D1 to D4 Upper Display reading, D1= LSD, D4= MSB
D5 to D8 D5=? D6=? D7=? D8=?
D9 Decimal Point ( DP) for display
0 = No DP, 1 = 1 DP, 2 = 2 DP, 3 = 3 DP
D10 D10 = 0
D11 D11 = 0
D12 D12 = 0
D13 D13 = 0
D14 D14 = 0
D15 Start Word
System Reset
If an error occurs, press the Reset Button with a Pin. If the Reset Button
does not x the error, please send in the unit to our Calibration Lab for
repair. E-mail info@reedinstruments.com for more information.
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Battery Replacement
1) When the left corner of LCD display shows , it is necessary to
replace the battery
2) Loosen the screws of the Battery Cover and remove
3) Remove the batteries and replace with Six DC 1.5 V batteries
(UM3, AA, Alkaline/heavy duty)
4) Make sure the battery cover is properly secured after changing the
battery
For service on this or any other REED product or information on other
REED products, contact REED Instruments at info@reedinstruments.com
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