INTRODUCTION
Small, light, waterproof and in a food safe wrapper, the single used data logger is ideal for
monitoring the temperature of shipments in transit. Recordings are started by pressing the
start button. The data logger is then placed inside the carton and dispatched. At the receiving
end, the data logger is taken from the package and removed from the protective wrapper. It is
placed into the USB slot on a computer to get PDF report directly without any software and
driver.
APPLICATIONS
This data logger is used mainly to monitor and verify temperature-sensitive goods, equipment
or areas. Example: Cold Chain, Refrigeration, transportations and food&pharmaceutical.
SPECIFICATIONS
1. START
Press and hold the button for about 3sec. until the GREEN LED lights to start logging. If the
GREEN LED doesn't light, please don't use this data logger and user must make sure it's
correct to start. When logging, the GREEN LED will flash once every 10sec. if not any alarm
events have happened. Or the RED LED will flash once every 10sec. if any alarm events have
happened.
Elapsed Time
Start Mode
Press Button
1day~360days, user can choose
Stop Mode
Press Button; When Full; When Into USB
High/Low Alarm
Can be set according to user’s requirement
Operation Range
-30~70
℃
Storage
Dimentions
62mmX27mmX4mm
-30~70
℃
Weight/Package
10 grams each; 10pcs each giftbox
Protection Class
Standard Compliance
CE
，
ROHS, EN12830, FDA 21 CFR Part 11
IP67
Communication Interface
USB2.0
Shelf Life
2 years (3.0v Lithium Battery)
Start Delay
From 0 to 254min.
Alarm Delay
From 0 to 960 min.
Alarm Type
Single Type; Accumulation Type
Data Storage Capacity 8640 (Default) readings
Use Type
Single Use
Measuement Range
-30
℃～
+70
℃(-
22
℉
to
158
℉
)
Measuement Accuracy
±0.5
℃
(±0.9
℉
) *Typical Accuracy
Resolution
±0.1
℃
(±0.1
℉
)
NOTE: There is a formula among “Data Storage Capacity(N)”,”Elapsed Time(D)” and Sample Interval(I,
Unit:seconds) : D=N*I/86400.
www.omega.com
OM-21A
One Time PDF Logger
Button
Red LED
Green LED
USB Interface
Plastic bag
2. PLACE
Put the data logger in the place or specific environment where you want
to monitor and record.
3. STOP
When memory full or inserted into PC’s USB port, the data logger will stop logging. If the
memory full or pressing&holding the button for approx. 3 sec. to stop logging, the RED LED
will flash twice every 10sec. if any alarm events have happened. Or the Green LED will flash
twice every 10sec. if not any alarm events have happened.
NOTE: Once user uses the button to start logging, the button can’t be used
within 30 minutes to stop logging.
4. MARK
Press the button once in logging status and the RED LED lights once
to indicate one point mark finished. This device supports up to 6
points mark.
5. GET PDF REPORT
Tear or cut off the plastic bag and you can now plug the data logger into an available USB
port on a PC. The RED LED will flash when a PDF is generating. And then the GREEN LED will
light when finished. It may need several seconds (According to logged readings) to finish.
And user should wait until the PC find a U-disk called “PDF_DATA”, then user can get the
PDF report in the U-disk.
Tear here to
get pdf report
OM-21A
One Time PDF Logger
1
2
www.omega.com
