Reed Instruments R2450SD User manual
Data Logging
Thermometer
Instruction
Manual
R2450SD
REED Instruments
2
Table of Contents
Introduction ................................................................................................ 3
Product Quality........................................................................................... 3
Safety ......................................................................................................... 4
Features...................................................................................................... 4
Included...................................................................................................... 4
General Specications ............................................................................... 5
Range Specication ................................................................................... 6
Accuracy Specications..........................................................................6-7
Instrument Description ............................................................................... 8
Display Description .................................................................................... 9
Operating Instructions.........................................................................10-12
Power ON/OFF .................................................................................... 10
Temperature Modes ............................................................................. 10
Thermocouple Measurement Mode..................................................... 10
RTD (Pt100 Ohm) Measurement Mode................................................ 10
Measuring the Difference Between Two Measurements (T1-T2) ......... 11
Data Hold ............................................................................................. 11
Recording Maximum and Minimum Readings................................11-12
Backlight .............................................................................................. 12
Setup Mode.........................................................................................12-14
Setting the Time and Date (dAtE) ....................................................... 13
Setting the Data Logging Sampling Rate (SP-t) ................................. 13
Enabling/Disabling Auto Power Off (PoFF)......................................... 13
Enabling/Disabling the Beeper (bEEP) ..........................................13-14
Setting Data Decimal Format (dEC).................................................... 14
Formatting the SD Card (Sd F) ........................................................... 14
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Selecting the Temperature Unit of Measure (t-CF)............................. 14
Verify Set Time, Date and Sampling Rate........................................... 14
Data Logging.......................................................................................15-17
Data Recording Modes....................................................................... 15
Manual Data Logging Mode ............................................................... 15
Automatic Data Logging..................................................................... 16
Transferring Data from the SD Memory Card to a Computer........16-17
Thermocouple Probe Offset Adjustment.................................................. 17
RTD Probe Offset Adjustment.................................................................. 18
Data Stream Output ................................................................................. 19
3.5mm Terminal to RS-232 Serial Connection ................................... 19
Battery Replacement................................................................................ 20
Applications.............................................................................................. 20
Accessories and Replacement Parts ..................................................20-21
FAQ's........................................................................................................ 21
Product Care ............................................................................................ 21
Product Warranty ..................................................................................... 22
Product Disposal and Recycling .............................................................. 22
Product Support....................................................................................... 22
Introduction
Thank you for purchasing your REED R2450SD Data Logging Thermometer.
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.
REED Instruments
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.
Features
Included
REED Instruments
5
General Specifications
Type: 4-Channel Thermocouple,
2-Channel RTD
Display: Quad Display, LCD
Backlit Display: Yes
Data Hold: Yes
Min: Yes
Yes
Datalogging Capabilities: Yes
Real-Time Clock and Date Stamp:
Yes
Tripod Mountable: Yes
Low Battery Indicator: Yes
Power Supply:
Product Certications: CE
Operating Humidity Range: Less than 85% RH
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Range Specifications
Thermocouple Range Resolution
Type T
Type E
Type R
Type S
RTD Range Resolution
Pt100 Ohm
Note:
Accuracy Specifications
Thermocouple Accuracy
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Type T
Type E
Type R
Type S
RTD Range
Pt100 Ohm
Note: Stated Thermocouple RTD accuracy values are specic to the
meter. The accuracy of the input probe should be considered when
calculating overall accuracy.
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Instrument Description
4-CH Thermocouple/
2-CH RTD Thermometer
SD Series Datalogger
T1-T2
TIME ENTER
OFFSET
SET LOG
TYPE
POWER HOLD REC
R2450SD
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
1.
4. LCD Display
5. HOLD Button
6. REC Button
TYPE Button
8. Button
13. Power Adapter Input
14. Tripod Mounting Screw
15. Battery Cover
17. SD Card Slot
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Display Description
3
10
11
1213141516
2. Temperature Measurement for T1 Thermocouple or PT1 RTD Channel
4. Temperature Measurement for T2 Thermocouple or PT2 RTD Channel
7. Data Logging Status Indicator
9. Temperature Measurement for T4 Thermocouple Channel
10. Temperature Measurement for T3 Thermocouple Channel
12. Thermocouple Input Type
14. Record Mode Indicator
15. Data Hold Indicator
16. Low Battery Indicator
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Operating Instructions
Power ON/OFF
1. To turn the meter on or off press and hold the POWER button for
2 seconds.
Note:
Temperature Modes
Thermocouple Measurement Mode
the top of the meter, identied as T1 through T4.
2. Once one or more thermocouples are connected press and hold the
TYPE
Continue to hold the TYPE button until the desired type appears on
the LCD and release to conrm selection.
3. The LCD will display the temperature values for the channels in use.
If an input jack is not in use or the measurement is out of temperature
RTD (Pt100 Ohm) Measurement Mode
jacks labeled PT1 & PT2.
2. Once one or two RTD probes are connected press and hold the
TYPE
is displayed on the LCD. Release the TYPE button to conrm
the selection.
3. The LCD will display the temperature values for the channels in use.
If an input jack is not in use or the measurement is out of
continued...
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Measuring the Difference Between Two Measurements (T1-T2)
1. Insert either two thermocouple probes in the T1 & T2 input jacks, or
2. To view the temperature difference between the two thermocouple
T1
T1 °C
°C
26.2 1-2
-0.4
26.6
°C
°C
T
2
T2
T1-T2
Temperature
dierence value
T1
T1 °C
°C
26.2 1-2
-0.4
26.6
°C
°C
T
2
T2
T1-T2
valeur d’écart
de température
2 seconds.
Data Hold
1. While taking a measurement, press the HOLD button to freeze the
3. Press the button again to resume normal operation.
Note:POWER
button are disabled.
Recording Maximum and Minimum Readings
1. Press the REC button to enter recording mode as indicated by
and minimum readings.
2. While in recording mode;
REC
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REC button again and the minimum value will appear
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.
Setup Mode
1. Press and hold the SET button for 2 seconds to enter Setup Mode.
2. Press the SET button continuously to scroll through the following
parameters.
Parameter Description
dAtE Set the time and date
SP-t Set the data logging sampling rate
PoFF Enable or disable the auto-power off function
bEEP Turn the beeper on or off
dEC
Sd F Format the SD memory card
t-CF
3. Once the appropriate parameter has been selected, follow the
instructions below.
Note:
pressed within 7 seconds.
continued...
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Setting the Time and Date (dAtE)
1. Press the ENTER
2. Press the and
3. Press the ENTER button to conrm selection.
4. Repeat steps 2 and 3 for month, day, hour, minute and seconds as
5. After each value has been selected and conrmed, the meter will
Note: At any time, you can press the POWER
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.
Setting the Data Logging Sampling Rate (SP-t)
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
Note: At any time, you can press the POWER
mode and resume normal operation.
Enabling/Disabling Auto Power Off (PoFF)
1.
Press the and
automatically switch OFF after 10 minutes of inactivity to preserve
battery life.
2. Press the ENTER
Note: At any time, you can press the POWER
mode and resume normal operation.
Enabling/Disabling the Beeper (bEEP)
1.
Press the and
2. Press the ENTER
continued...
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Note: At any time, you can press the POWER
mode and resume normal operation.
Setting Data Decimal Format (dEC)
Numeric formats vary in different countries. By default the meter is set to
setting, f
1. Press the and
2. Press the ENTER
Note: At any time, you can press the POWER
mode and resume normal operation.
Formatting the SD Card (Sd F)
1.
Press the and
2. Press the ENTER button to conrm selection.
3. Press the ENTER button again to re-conrm.
automatically return to the Setup menu when formatting is complete.
5. Press the POWER
normal operation.
Note: It is recommended that new SD cards be formatted prior to rst
Selecting the Temperature Unit of Measure (t-CF)
1. Press the and
2. Press the ENTER button to conrm selection.
Note: At any time, you can press the POWER
mode and resume normal operation.
Verify Set Time, Date and Sampling Rate
During normal operation press the TIME button to display the year,
month, day, hour, minute, seconds and selected sampling rate.
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Data Logging
Data Recording Modes
Manual Data Logging: Press the LOG button to manually log up to 99
Manual Data Logging Mode
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 5 below.
Setting the
Data Logging Sampling Rate
2. Press and hold the LOG button for 2 seconds at which point the
3. Press the and buttons to select one of the 99 data memory
positions in which to record.
will ash each time a data point is stored.
seconds to resume normal operation.
continued...
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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
Setting the Data Logging Sampling Rate
setup the meter for automatic data logging, follow steps 1 through 5 below.
1. To begin a data logging session press and hold the LOG button for 2
seconds. The meter will scan for a SD memory card. If a card is not
indenitely. In this case, power the meter OFF and try again with
another SD memory card.
2. The Logger icon will appear on the LCD and will continuously ash
while in a data logging session.
3. To pause the data logging session press the LOG button and Logger
will stop ashing. To resume press the LOG button again.
4. To end the current data logging session press and hold the LOG
button for 2 seconds.
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.
Place Date Time Value Value Value Value
1 4:13:07 22.7 22.7 22.7 24
2 4:13:37 35 38 36 37
3 4:14:07 40.2 39 39 44
4 4:14:37 60 67 63 59
5 4:15:07 87 92 90 85
6 4:15:37 102.5 101.5 104 107
7 4:16:07 55.4 52 49 46
8 4:16:37 80.2 81 87 85
9 4:17:07 90 90 92 92
10 4:17:37 42.7 43 42.7 57
11 4:18:07 75 78 76 75
continued...
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Thermocouple Probe Offset Adjustment
1. Select the desired thermocouple type.
input jack.
2 seconds to enter setup.
Note:
4. The last measurement value will be displayed on the left side of the
LCD, while the offset adjusted value will be displayed on the right as
shown below.
SEt oFS
23.7 23.7
5. Press the and buttons to adjust the offset value.
6. Press the ENTER button to save the adjusted value and resume
normal operation.
Note: The above offset adjustment will be applied to all four inputs. At any
time, the offset adjustment can be cancelled by pressing the POWER button.
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RTD Probe Offset Adjustment
2. Insert the RTD Pt100 Ohm probe into the PT1 or the PT2 input jack.
Note: Only one Pt100 Ohm probe can be offset at a time.
seconds to enter setup.
SEt oFS
Pt 1 Pt 2
4. Press the or buttons to select between PT1 or PT2.
Note:
5. The last measurement value will be displayed on the left side of the
LCD, while the offset adjusted value will be displayed on the right as
shown below.
SEt oFS
23.7 23.7
7. Press the and buttons to adjust the offset.
8. Press the ENTER button to save the adjusted value and resume
normal operation.
Note: The above offset adjustment will be made for the selected input
jack, not both. At any time, the offset adjustment can be cancelled by
pressing the POWER button to resume to normal operation.
continued...
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Data Stream Output
and use the following setting to view the data stream.
Terminal Settings:
41010100000221 = Channel T1, +22.1°C
Reading
Decimal Place 0-3
Positive (+) = 0, Negative (-) = 1
°C = 01, °F = 02
Channel T1 = 1, T2 = 2, T3 = 3, T4 =
4
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
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Battery Replacement
When the low battery icon appears on the LCD, the batteries must
be replaced.
located above the top of the kickstand.
2. Remove the battery cover.
.
Applications
Accessories and Replacement Parts
R2920 Surface Thermocouple Probe
R2930 Right Angle Thermocouple Probe
R2940
R2950 Immersion Thermocouple Probe
R2960 Needle Tip Thermocouple Probe
TP-01 Beaded Thermocouple
R2450SD-RTD PT100 Ohm RTD Temperature Probe
R1500 Tripod
RSD-ADP-NA Power Supply, 110V
RSD-ADP-EU Power Supply, 220V
CA-05A Soft Carrying Case
R8888
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REED Instruments
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