Reed Instruments R6250SD Manuale utente
Data Logging
Heat Stress
Meter
Instruction
Manual
R6250SD
REED Instruments
2
Table of Contents
Introduction ................................................................................................ 3
Product Quality........................................................................................... 3
Safety ......................................................................................................... 4
Features...................................................................................................... 4
Specications..........................................................................................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
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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
specications. If a certicate 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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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.
• Avoidelectromagneticinterferencewhichmaycause
erratic readings.
• Donottouchtheblackballduringatestastheresults
may be inaccurate.
• Iftheblackballisdamagedordeformed,itwillprovide
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
• Measurestemperature,humidity,dewpoint,wetbulb,blackglobe,
indoor/outdoor WBGT
• WetBulbGlobeTemperature(WBGT)considerstheeffectsof
temperature, humidity and direct or radiant sunlight
• In/OutfunctiondisplaystheWBGTvaluewithorwithoutdirect
sun exposure
• BlackGlobeTemperature(TG)monitorstheeffectsofdirectsolar
radiation on an exposed surface
• Adjustableaudiblealarm
• Userselectableunitofmeasure(°For°C)
• DataholdandMax/Minfunctions
• Real-timedataloggerwithintegratedSDmemorycard
• Userselectablesamplingratefrom1to3600seconds
• Easy-to-readbacklitLCDdisplay
• Tripodmountforlong-termmonitoring
• Lowbatteryindicatorandautoshutoff
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Specifications
Temperature
MeasuringRanges: Air:32to122.0°F(0to50.0°C)
DewPoint:-13.5to120.1°F(-25.3to48.9°C)
WetBulb:-6.9to122.0°F(-21.6to50°C)
BlackGlobe:32to176°F(0to80°C)
IndoorWBGT:32to138°F(0to59°C)
OutdoorWBGT:32to132°F(0to56°C)
Accuracy: Air:±1.5°F(±0.8°C)
BlackGlobe:±1.1°F(±0.6°C)
IndoorWBGT:±2.7°F(±1.5°C)
OutdoorWBGT:±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
IndoorRange: 32to138°F(0to59°C)
IndoorAccuracy: ±2.7°F(±1.5°C)
Outdoor Formula: 0.7WB + 0.3TG + 0.1TA
OutdoorRange: 32to132°F(0to56°C)
OutdoorAccuracy: ±3.6°F(±2°C)
Response Time: 1 second
Display: 4-digit dual LCD
Backlit Display: Yes
Data Hold: Yes
Min: Yes
Max: Yes
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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 Certications: CE
OperatingTemperature: 0to122°F(0to50°C)
StorageTemperature: 14to140°F(-10to60°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
• SoftCarryingCase
• Batteries
REED Instruments
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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/NEXTButton
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. TemperatureUnitofMeasure
5. UnitofMeasure
6. Maximum and Minimum Indicators
7. Record Mode Indicator
8. Data Hold Indicator
9. Low Battery Indicator
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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:
• WetBulbGlobeTemperature(WBGT)
• WetBulbTemperature(WB)
• DewPointTemperature
• HumidityandAirTemperature(TA)
• BlackGlobeTemperature(TG)
1. Whenthemeterison,pressandholdtheFUNCTIONbuttontoscroll
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. ReleasetheFUNCTIONbuttontoconrmselection.
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
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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
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REED Instruments
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