Reed Instruments R6250SD User manual

Data Logging
Heat Stress
Meter
Instruction
Manual
R6250SD
REED Instruments
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2
Table of Contents
Introduction ................................................................................................ 3
Product Quality........................................................................................... 3
Safety ......................................................................................................... 4
Features...................................................................................................... 4
Specications..........................................................................................5-6
Included...................................................................................................... 6
Instrument Display...................................................................................... 7
Display Description .................................................................................... 8
Operating Instructions...........................................................................9-12
Power ON/OFF ...................................................................................... 9
Selecting Measurement Modes ............................................................. 9
Wet Bulb Globe Temperature Measurement Mode (_bgt) ................9-10
Wet Bulb Temperature Measurement Mode (_b) ................................. 10
Dew Point Measurement Mode (dP) .................................................... 10
Humidity/Air Temperature Mode (rH/tA) .............................................. 11
Black Globe Temperature Mode (tg) .................................................... 11
Data Hold ............................................................................................. 12
Recording Maximum and Minimum Readings..................................... 12
Backlight .............................................................................................. 12
Setup Mode.........................................................................................13-16
Setting the Time and Date (dAtE)......................................................... 13
Setting WBGT Alarm Value (AL)........................................................... 14
Setting Data Decimal Format (dEC) ..................................................... 14
Enabling/Disabling Auto Power Off (PoFF) .......................................... 14
Enabling/Disabling the Beeper (bEEP)................................................. 14
Selecting the Temperature Unit of Measure (t-CF) .............................. 15
Setting the Data Logging Sampling Rate (SP-t)................................... 15
continued...
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Formatting the SD Card (Sd F) ........................................................... 15
Verify Set Time and Date .................................................................... 15
Verify Sampling Rate .......................................................................... 16
Data Logging.......................................................................................16-18
Data Recording Modes....................................................................... 16
Manual Data Logging Mode ..........................................................16-17
Automatic Data Logging Mode .......................................................... 17
Transferring Data from the SD Memory Card to a Computer............. 18
Data Stream Output ................................................................................. 19
3.5mm Terminal to RS-232 Serial Connection ................................... 19
System Reset ........................................................................................... 20
Battery Replacement................................................................................ 20
Applications.............................................................................................. 20
Accessories and Replacement Parts ....................................................... 21
Frequently Asked Questions (FAQ's)........................................................ 21
Product Care ............................................................................................ 22
Product Warranty ..................................................................................... 22
Product Disposal and Recycling .............................................................. 22
Product Support....................................................................................... 23
Introduction
Thank you for purchasing your REED R6250SD Data Logging Heat Stress
Meter. Please read the following instructions carefully before using your
instrument. By following the steps outlined in this manual your meter will
provide years of reliable service.
Product Quality
This product has been manufactured in an ISO9001 facility and has been
calibrated during the manufacturing process to meet the stated product
specications. If a certicate of calibration is required please contact the
nearest authorized REED distributor or authorized Service Center. Please
note an additional fee for this service will apply.
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4
Safety
Never attempt to repair or modify your instrument. Dismantling your
product, other than for the purpose of replacing batteries, may cause
damage that will not be covered under the manufacturer's warranty.
Servicing should only be provided by an authorized service center.
• Avoidelectromagneticinterferencewhichmaycause
erratic readings.
• Donottouchtheblackballduringatestastheresults
may be inaccurate.
• Iftheblackballisdamagedordeformed,itwillprovide
inaccurate measurement values.
CAUTION
Please place the meter in a warm temperature and low
humidity environment for 24 hours after the meter has been
exposed to an overly humid environment.
Features
• Measurestemperature,humidity,dewpoint,wetbulb,blackglobe,
indoor/outdoor WBGT
• WetBulbGlobeTemperature(WBGT)considerstheeffectsof
temperature, humidity and direct or radiant sunlight
• In/OutfunctiondisplaystheWBGTvaluewithorwithoutdirect
sun exposure
• BlackGlobeTemperature(TG)monitorstheeffectsofdirectsolar
radiation on an exposed surface
• Adjustableaudiblealarm
• Userselectableunitofmeasure(°For°C)
• DataholdandMax/Minfunctions
• Real-timedataloggerwithintegratedSDmemorycard
• Userselectablesamplingratefrom1to3600seconds
• Easy-to-readbacklitLCDdisplay
• Tripodmountforlong-termmonitoring
• Lowbatteryindicatorandautoshutoff
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5
Specifications
Temperature
MeasuringRanges: Air:32to122.0°F(0to50.0°C)
DewPoint:-13.5to120.1°F(-25.3to48.9°C)
 WetBulb:-6.9to122.0°F(-21.6to50°C)
 BlackGlobe:32to176°F(0to80°C)
 IndoorWBGT:32to138°F(0to59°C)
 OutdoorWBGT:32to132°F(0to56°C)
Accuracy: Air:±1.5°F(±0.8°C)
 BlackGlobe:±1.1°F(±0.6°C)
 IndoorWBGT:±2.7°F(±1.5°C)
 OutdoorWBGT:±3.6°F(±2°C)
Resolution: 0.1°F/°C
Humidity
Measuring Range: 5 to 95% RH
Accuracy: >70% RH: ±(3% rdg + 1% RH)
<70% RH: ±3% RH
Resolution: 0.1% RH
General Specifications
Indoor Formula: 0.7WB + 0.3TG
IndoorRange: 32to138°F(0to59°C)
IndoorAccuracy: ±2.7°F(±1.5°C)
Outdoor Formula: 0.7WB + 0.3TG + 0.1TA
OutdoorRange: 32to132°F(0to56°C)
OutdoorAccuracy: ±3.6°F(±2°C)
Response Time: 1 second
Display: 4-digit dual LCD
Backlit Display: Yes
Data Hold: Yes
Min: Yes
Max: Yes
continued...
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Datalogging Capabilities: Yes
Real-Time Clock and
Date Stamp: Yes
Selectable Sampling Rate: Yes (1, 2, 5, 10, 30, 60, 120, 300,
600, 1800, 3600 seconds)
External Memory: Yes, expandable up to 16GB with
SD card (optional)
Auto Shut-off: Yes (after 10 minutes/off)
Kick Stand: Yes
Tripod Mountable: Yes
Low Battery Indicator: Yes
Power Supply: 6 x AA batteries or AC Adapter (optional)
Data Output: Yes (RS-232)
Product Certications: CE
OperatingTemperature: 0to122°F(0to50°C)
StorageTemperature: 14to140°F(-10to60°C)
Operating Humidity Range: 10 to 85%
Dimensions: Instrument: 7.0 x 2.7 x 1.8"
(177 x 68 x 45 mm)
Black Brass Ball Diameter: 2.9" (75mm)
Weight: 1.1lb (515g)
Included
• SoftCarryingCase
• Batteries
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Instrument Description
2
3
WBGT
Heat Stress Meter
SD Series Data Logger
R6250SD
4
5
6
7
8
9
10
11
12
13
14
15
16
POWER
ESC
FUNC.
HOLD
NEXT
REC
ENTER
SET
TIME
CHECK
SAMPLING
CHECK
LOG
1. Black Globe Temperature
Sensor
2. Black Globe Support Screws
3. POWER/Backlight/ESC Button
4. SET/Down/TIME CHECK
Button
5. SD Card Slot
6. Humidity/Air Temperature
Sensor
7. LCD Display
8. HOLD/FUNCTION/NEXTButton
9.
REC/ENTER Button
10. LOG/Up/SAMPLING CHECK
Button
11. RS232 Output Jack
12. Reset Pin
13. Power Adapter Input
14. Tripod Mounting Screw
15. Battery Cover
16. Kickstand
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Display Description
3
6
%RH
F
1. Measurement Reading Indicator
2. Date & Time Values/Measurement Modes Indicator
3. Date/Time Stamp
4. TemperatureUnitofMeasure
5. UnitofMeasure
6. Maximum and Minimum Indicators
7. Record Mode Indicator
8. Data Hold Indicator
9. Low Battery Indicator
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9
Operating Instructions
Power ON/OFF
1. Turn the meter on by pressing the POWER button. To turn the meter
off, press and hold the POWER button for 2 seconds.
Note: This meter can be powered by either 6 x "AA" batteries or an AC
adapter (sold separately).
Selecting Measurement Modes
The R6250SD offers 5 types of measurement modes to choose from:
• WetBulbGlobeTemperature(WBGT)
• WetBulbTemperature(WB)
• DewPointTemperature
• HumidityandAirTemperature(TA)
• BlackGlobeTemperature(TG)
1. Whenthemeterison,pressandholdtheFUNCTIONbuttontoscroll
through the measuring modes. The display will ash "_bgt"
(for Wet Bulb Temperature), "_b" (for Wet Bulb Temperature), "dP"
(for Dew Point measurement), "tg" (for Black Globe Temperature),
"rH/tA" (for Humidity/Air Temperature measurement).
2. ReleasetheFUNCTIONbuttontoconrmselection.
Wet Bulb Globe Temperature Measurement Mode (_bgt)
1. Select the "_bgt" function (see Selecting Measurement Modes
for details).
2. The top part of the display will indicate the WBGT value while the
lower part of the LCD Display will indicate "_bgt in" for indoors or
"_bgt out" for outdoors as shown below.
F F
continued...
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Note: "in" (indoor= without direct sun exposure) and "out"
(outdoor= with direct sun exposure) modes.
3. While in measurement mode, hold "in/out" button to toggle between
indoor or outdoor measurements.
4. To set the WBGT alarm, see Setting WBGT Alarm Value for details.
Wet Bulb Temperature Measurement Mode (_b)
1. Select the "_b" function (see Selecting Measurement Modes for details).
2. The top part of the display will indicate the WB value while the lower
part of the LCD display will indicate "_b" as shown below.
F
Dew Point Measurement Mode (dP)
1. Select the "dP" function (see Selecting Measurement Modes for details).
2. The top part of the display will indicate the Dew Point value while the
lower part of the display will indicate "dP" as shown below.
F
continued...
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Humidity/Air Temperature Mode (rH/tA)
1. Select the "rH/tA" function (see Selecting Measurement Modes
for details).
2. The top part of the display will indicate the humidity value while the
lower part of the display will indicate the air temperature value as
shown below.
F
%RH
Black Globe Temperature Mode (tg)
1. Select the "tg" function (see Selecting Measurement Modes
for details).
2. The top part of the display will indicate the black globe temperature
value while the lower part of the display will indicate "tg" as
shown below.
F
continued...
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Data Hold
1. While taking a measurement, press the HOLD button to freeze the
current measurement(s) on the display.
2. While in this mode a "HOLD" symbol will appear on the display.
3. Press the HOLD button again to resume normal operation.
Note: When the Data Hold feature is active all buttons except the POWER
button are disabled.
Recording Maximum and Minimum Readings
1. Press the REC button to enter recording mode as indicated by
"REC" on the LCD. The meter will now begin recording maximum
and minimum readings.
2. While in recording mode;
A) Press the REC button once and the maximum value will appear
onthedisplayasindicatedby"RECMAX".
B) Press the REC button again and the minimum value will appear
on the display as indicated by "REC MIN".
C) To exit recording mode and resume normal operation, press and
hold the REC button for two seconds.
When in recording mode the POWER button is disabled
and the meter cannot be turned off.
Backlight
After powering the meter ON, the LCD Backlight will turn on automatically.
Press the BACKLIGHT button to turn the LCD Backlight on or off.
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Setup Mode
1. Press and hold the SET button for 2 seconds to enter Setup Mode.
2. Press the NEXT button continuously to scroll through the following
parameters.
Parameter Description
dAtE Set the time and date
AL Set WBGT Alarm Value
dEC Setthedecimalformat(USA(20.00)orEuropean(20,00))
PoFF Enable or disable the auto-power off function
bEEP Turn the beeper on or off
t-CF Selectthetemperatureunitofmeasure(°Cor°F)
SP-t Set the data logging sampling rate
Sd F Format the SD memory card
3. Once the appropriate parameter has been selected, follow the
instructions below.
Note: The meter will automatically exit out of the Setup mode if no key is
pressed within 7 seconds.
Setting the Time and Date (dAtE)
1. Press the ENTER button when "dAtE" appears on the LCD.
2. Press the and buttonstoadjusttheyearasindicatedby"YY".
3. Press the ENTER button to conrm selection.
4. Repeat steps 2 and 3 for month, day, hour, minute and seconds as
indicated by (mm/dd/h/m/s).
5. After each value has been selected and conrmed, the meter will
automatically skip to the next parameter.
Note: At any time, you can press the ESC button to exit the Setup mode
and resume normal operation. The internal clock will keep accurate time
when the meter is powered off. When new batteries are installed the clock
will have to be reset.
continued...
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Setting WBGT Alarm Value (AL)
Follow steps 1 and 2 when "AL" appears on the LCD.
1. Press the and buttonstoadjusttheWBGTalarmvalue.
2. Press the ENTER button to conrm selection and skip to
next parameter.
Note: At any time, you can press the ESC button to exit the Setup mode
and resume normal operation.
Setting Data Decimal Format (dEC)
Numeric formats vary in different countries. By default the meter is set to
bASIC mode where a decimal point is used to separate units, (i.e. 20.00).
The European format uses a comma (i.e. 20,00) to separate units. To change
this setting, follow steps 1 and 2 when "dEC" appears on the LCD.
1. Press the and buttons to select between bASIC and Euro.
2. Press the ENTER button to conrm selection and skip to
next parameter.
Note: At any time, you can press the ESC button to exit the Setup mode
and resume normal operation.
Enabling/Disabling Auto Power Off (PoFF)
Follow steps 1 and 2 when "PoFF" appears on the LCD.
1. Press the and buttons to select between ON (enabled) or OFF
(disabled). With the Auto Power OFF feature enabled, the meter will
automatically switch OFF after 10 minutes of inactivity to preserve
battery life.
2. Press the ENTER button to conrm selection and skip to
next parameter.
Note: At any time, you can press the ESC button to exit the Setup mode
and resume normal operation
Enabling/Disabling the Beeper (bEEP)
Follow steps 1 and 2 when "bEEP" appears on the LCD.
1. Press the and buttons to select between ON (enabled) or
OFF (disabled).
2. Press the ENTER button to conrm selection and skip to
next parameter.
continued...
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15
Note: At any time, you can press the ESC button to exit the Setup mode
and resume normal operation.
Selecting the Temperature Unit of Measure (t-CF)
Follow steps 1 and 2 when "t-CF" appears on the LCD.
1. Press the and buttonstoselectbetween°Cand°F.
2. Press the ENTER button to conrm selection and skip to
next parameter.
Note: At any time, you can press the ESC button to exit the Setup mode
and resume normal operation.
Setting the Data Logging Sampling Rate (SP-t)
Follow steps 1 and 2 when "SP-t" appears on the LCD.
1. Press the and buttonstoadjustthesamplingratebetween0,1,
2, 5, 10, 30, 60, 120, 300, 600, 1800, and 3600 seconds.
2. Press the ENTER button to conrm selection and skip to
next parameter.
Note: At any time, you can press the ESC button to exit the Setup mode
and resume normal operation.
Formatting the SD Card (Sd F)
Follow steps 1 through 5 when "Sd F" appears on the LCD.
1. Press the and buttons to select "YES" to format the card. Select
"NO" to abort.
2. Press the ENTER button to conrm selection.
3. Press the ENTER button again to re-conrm.
4. The meter will format the SD card and automatically return to the
Setup menu when formatting is complete.
5. Press the ESC button to exit the Setup mode and resume
normal operation.
Note: It is recommended that new SD cards be formatted prior to rst
use. If the formatting process fails, the meter will display "-E-".
Verify Set Time and Date
During normal operation press the TIME CHECK button to display the
year, month, date, hour, minute, seconds and selected sampling rate.
continued...
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16
Verify Sampling Rate
During normal operation, press the SAMPLING CHECK button to view the
selected sampling rate.
Data Logging
Data Recording Modes
Manual Data Logging: Press the LOG button to manually log up to 99
readings on a SD memory card (see Manual Data Logging Mode for
full setup instructions).
Automatic Data Logging: Setup the meter parameters in order to
automatically log data on a SD memory card. The number of data points
is limited by the size of the memory card.
Note:
It is recommended to use a class 4 SDHC memory card between 1Gb
and 16Gb. Insert the SD memory card in the slot at the bottom of the meter.
The card must be inserted with the label side facing the rear of the meter.
Manual Data Logging Mode
In manual mode, the LOG button is pressed to manually log a reading on
the inserted SD card at any time. In order to setup the meter for manual
data logging, follow steps 1 through 8 below.
1. Set the data logging sampling rate to "0" seconds (see Setting the
Data Logging Sampling Rate section for details).
2. Press the REC button and "REC" will appear on the LCD.
3. ThemeterwillalsodisplayP-X(X=memorypositionnumber
between 1 and 99).
4. Press the SET button to enter the data memory positions section.
5. Press the and buttons to select one of the 99 data memory
positions in which to record.
6. Press the ENTER button to conrm selection.
7. Press the LOG button again to save a reading to memory.
"REC" will ash each time a data point is stored.
Note: If a card is not inserted or the card is defective, the meter will ash
"CArD -E-" . In this case, power the meter OFF and try again with another
SD memory card or verify that the card is correctly inserted.
continued...
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8. To exit manual data logging mode, press and hold the REC button
2 seconds to resume normal operation.
Automatic Data Logging Mode
In automatic mode the desired data logging sampling rate is set to 1, 2,
5, 10, 30, 60, 120, 300, 600, 1800 or 3600 seconds prior to recording (see
Setting the Data Logging Sampling Rate section for details). In order to
setup the meter for automatic data logging, follow steps 1 through 5 below.
1. To begin a data logging session Press the REC button and "REC"
will appear on the LCD.
2. Press the LOG button. The meter will scan for a SD memory card.
Note: If a card is not inserted or the card is defective, the meter will ash
"CArD -E-" indenitely. In this case, power the meter OFF and try again
with another SD memory card or verify that the card is correctly inserted.
3. The "REC" icon will appear on the LCD and will continuously ash
while in a data logging session.
4. To pause the data logging session press the LOG button and "REC"
will stop ashing. To resume press the LOG button again.
5. To end the current data logging session pause the data logging
session and hold the REC button until "REC" disappears.
continued...
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18
Transferring Data from the SD Memory Card to a Computer
1. While the meter is powered Off remove the SD memory card from the
SD card slot.
2. Insert the SD memory card into the computer.
3. Open the le(s) with Excel. See sample below:
Place Date Time Value Unit Value Unit Value Unit Value Unit Value Unit Value Unit
1 19-07-10 11:42:27 18 WBGT
Temp C
55.5 %RH C 22.3 TA
Temp C
25 TG
Temp C
20 WET
Temp C
12.9 DP
Temp C
2 19-07-10 11:42:29 25 WBGT
Temp C
65 %RH C 25 TA
Temp C
30 TG
Temp C
25 WET
Temp C
12.9 DP
Temp C
3 19-07-10 11:42:31 32 WBGT
Temp C
70 %RH C 30 TA
Temp C
35 TG
Temp C
35 WET
Temp C
12.9 DP
Temp C
4 19-07-10 11:42:33 35 WBGT
Temp C
75 %RH C 22.3 TA
Temp C
40 TG
Temp C
16.4 WET
Temp C
12.9 DP
Temp C
5 19-07-10 11:42:35 40 WBGT
Temp C
80 %RH C 22.3 TA
Temp C
40 TG
Temp C
38 WET
Temp C
12.9 DP
Temp C
6 19-07-10 11:42:37 38 WBGT
Temp C
78 %RH C 22.3 TA
Temp C
25 TG
Temp C
16.4 WET
Temp C
12.9 DP
Temp C
7 19-07-10 11:42:39 37 WBGT
Temp C
77 %RH C 35 TA
Temp C
40 TG
Temp C
16.3 WET
Temp C
12.9 DP
Temp C
8 19-07-10 11:42:41 36 WBGT
Temp C
55.3 %RH C 22.3 TA
Temp C
20 TG
Temp C
45 WET
Temp C
12.9 DP
Temp C
9 19-07-10 11:42:43 35 WBGT
Temp C
55.3 %RH C 22.3 TA
Temp C
22.4 TG
Temp C
16.3 WET
Temp C
12.9 DP
Temp C
10 19-07-10 11:42:45 41 WBGT
Temp C
55.3 %RH C 34 TA
Temp C
22.4 TG
Temp C
16.3 WET
Temp C
12.9 DP
Temp C
11 19-07-10 11:42:47 33 WBGT
Temp C
56.5 %RH C 22.3 TA
Temp C
22.4 TG
Temp C
48 WET
Temp C
13.2 DP
Temp C
12 19-07-10 11:42:49 18.4 WBGT
Temp C
58.1 %RH C 22.3 TA
Temp C
22.4 TG
Temp C
16.8 WET
Temp C
13.6 DP
Temp C
The raw data can be used to create a graph in Excel. See sample below:
0
10
20
30
40
50
60
70
80
90
11:42:27 11:42:29 11:42:31 11:42:33 11:42:35 11:42:37 11:42:39 11:42:41 11:42:43 11:42:45 11:42:47 11:42:49
19-07-10 19-07-10 19-07-10 19-07-10 19-07-10 19-07-10 19-07-10 19-07-10 19-07-10 19-07-10 19-07-10 19-07-10
1 2 3 4 5 6 7 8 9 10 11 12
Value
Unit
Value
Unit
Value
Unit
Value
Unit
Value
Unit
Value
Unit
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Data Stream Output
UsingTerminalapplication,adatastreamcanbeviewedfromtheRS-232
output,connectRS-232/USBcablebetweentheproductandterminal/PC
and use the following setting to view the data stream.
Terminal Settings:
• Bitspersecond:9600
• Databits:8
• Parity:None
• Stopbits:1
41020100000654 = WBGT Value, 65.4 °F
Reading
Decimal Place 0-3
Positive (+) = 0,
Negative (-) = 1
°C= 01, °F = 02, %RH= 04
WBGT= 1, Humidity= 2, TA= 3,
TG= 4, WB= 5, Dew Point= 6
4
41010100000221 = Canal T1, +22.1°C
Lecture
Position décimale 0-3
Positif (+) = 0, Negatif (-) = 1
°C = 01, °F = 02
Canal T1 = 1, T2 = 2, T3 = 3, T4 = 4
4
3.5mm Terminal to RS-232 Serial Connection
REED Instruments
1-877-849-2127 | [email protected] | www.reedinstruments.com

20
System Reset
If the meter becomes unresponsive or if the display freezes the Reset pin
can be used to reset the instrument.
1. Useapapercliporanysimilarsmallobjecttopressthe Reset pin.
2. After pressing the Reset pin, power the meter back up by holding the
POWER button for 2 seconds.
3. If resetting the meter does not resolve the issue, please return the
meter to the nearest authorized REED distributor or authorized
Service Center for repair.
Battery Replacement
When the low battery icon appears on the LCD, the batteries must
be replaced.
1. Remove the two (2) Phillips screws on the back of the meter directly
located above the top of the kickstand.
2. Remove the battery cover.
3. Replace 6 x "AA" batteries.
4. Secure the battery cover with the two (2) Phillips screws.
Applications
• Sports(leisure,organized,andprofessional)
• Monitorseasonalconditionstoensuresafeenvironmentatschool
or daycare
• Ensuringsafeworkenvironments
REED Instruments
1-877-849-2127 | [email protected] | www.reedinstruments.com