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OPERATING INSTRUCTIONS
VERSION 02/12
DL-141TH DATA LOGGER
ITEM NO.: 10 50 55
INTENDED USE
This temperature and humidity datalogger is intended to be used for monitoring and collecting
data of environment temperature and humidity. It is used to monitor and collect temperature and
humidity values efciently and conveniently for long time periods. The readings are saved in the
logger and simply read out by PC with a USB port. The LCD can show current readings, MAX,
MIN, TIME, DATE and temperature or humidity values. The datalogger is designed with a high
accuracy temperature and humidity sensor with fast response and stability.
For safety and approval purposes (CE), you must not rebuild and/or modify this product. If you
use the product for purposes other than those described above, the product may be damaged.
In addition, improper use can cause hazards such as short circuiting, re, electric shock etc.
Read the instructions carefully and keep them. Make this product available to third parties only
together with its operating instructions.
DELIVERY CONTENT
Data logger•
Wall bracket•
3.6 V Lithium battery•
Voltsoft CD (software and manual)•
USB cable•
2 screws and 2 dowels•
Operating instructions•
SAFETY INSTRUCTIONS
Read the operating instructions carefully and especially observe the safety
information. If you do not follow the safety instructions and information
on proper handling in this manual, we assume no liability for any resulting
personal injury or damage to property. Such cases will invalidate the
warranty/guarantee.
Persons / Producta)
The device is not a toy. Keep it out of the reach of children and pets.•
Do not leave packaging material lying around carelessly. These may become •
dangerous playing material for children.
Protect the product from extreme temperatures, direct sunlight, strong jolts, •
moisture, ammable gases, vapours and solvents.
Do not place the product under any mechanical stress.•
If it is no longer possible to operate the product safely, take it out of operation and •
protect it from any accidental use. Safe operation can no longer be guaranteed if
the product:
is visibly damaged, -
is no longer working properly, -
has been stored for extended periods in poor ambient conditions or -
has been subjected to any serious transport-related stresses. -
Please handle the product carefully. Jolts, impacts or a fall even from a low height •
can damage the product.
(Rechargeable) batteriesb)
Correct polarity must be observed while inserting the (rechargeable) battery.•
The (rechargeable) battery should be removed from the device if it is not used •
for a long period of time to avoid damage through leaking. Leaking or damaged
(rechargeable) batteries might cause acid burns when in contact with skin, therefore
use suitable protective gloves to handle corrupted (rechargeable) batteries.
(Rechargeable) batteries must be kept out of reach of children. Do not leave •
(rechargeable) batteries lying around, as there is risk, that children or pets swallow
them.
(Rechargeable) batteries must not be dismantled, short-circuited or thrown into re. •
Never recharge non-rechargeable batteries. There is a risk of explosion!
Miscellaneousc)
Consult an expert when in doubt about operation, safety or connection of the •
device.
Maintenance, modications and repairs are to be performed exclusively by an •
expert or at a qualied shop.
If you are not sure about the correct connection or use, or if questions arise which are not
covered by these operating instructions, please do not hesitate to contact our technical support
or another qualied specialist.
Voltcraft®, Lindenweg 15, D-92242 Hirschau, Tel. +49 180/586 582 7.
INSERTING / REPLACING THE BATTERY
Unscrew the two screws at the back and open the battery compartment.1.
Insert a new battery / replace the old battery with a new one.2.
Close the battery compartment and fasten it with the screws.3.
INSTALLATION AND GENERAL INFORMATION
This Datalogger should be placed uprightly. If placed in low temperature and high humidity •
environment, after measurement, the Datalogger should be placed uprightly until vaporizing
the beads completely before reading the data in the device.
If the Datalogger is connected to the PC, some battery power can be saved.•
LCD ELEMENTS
1
2
3
4 5
6
7
8
9
10
11
This battery sign 1. will be displayed if the battery is fully charged. When battery
is exhausted, sign will be displayed. At that time, replacing a new battery is
necessary.
TIME: When this icon is displayed then the values on the right hand side show the current time.2.
DATE: When this icon is displayed then the values on the right hand side show the current 3.
date.
Time and date display is switching automatically every 10 seconds.
REC: If this icon is shown then the data logger is under recording mode.4.
FULL: If this icon is shown then the storage memory is full. The data logger will stop 5.
recording.
%RH: If this icon is shown then the data logger is measuring the environment humidity.6.
°C: Temperatue shown in Centigrade7.
°F: Temperature shown in Fahrenheit8.
When uploading data to a PC, there will be the icon “-PC-“ displayed on the LCD.9. The data
logger will stop recording after all data has been uploaded. The logger needs to be re-set if
you need the recording function again. You can only look over the data from the logger itself.
All settings will be only carried through the software installed in PC.
MIN: If this icon is shown then the value showing is the minimum value of the data set.10.
MAX: If this icon is shown then the value showing is the maximum value of the data set.11.
SOFTWARE INSTALLATION
Insert the CD into the CD-ROM of your computer.1.
The installation will start automatically. If not, please go to your CD-ROM directory, and 2.
open the installation le “autorun.exe”.
Select your desired language from German, English and French.3.
Follow the instructions on the dialog box, select the destination for the installation and 4.
complete the installation.
For further information, please refer to the operating instructions on the CD provided.5.
The enclosed software is the Voltsoft standard edition. The professional version (Voltsoft 6.
Data Logger, No. 10 13 33) is an optional item which you can purchase separately. If you
purchase the professional version, you will get the license key. Follow the steps in the
Voltsoft user manual, to register and upgrade your software to the professional version.
Summary of features:
Standard Professional
User Management √
Email Management √
General Settings √ √
Language Preference √ √
Email Template √
Device Management (Add / Remove) √ √
Custom Graph √
Email Alert √
Web Interface √
OPERATION
Before operation, please install the software CD as some functions are only available
using the software program.
Temperature/humidity modea)
Press the button “Temp. / %RH” to switch between temperature and humidity display 1.
mode.
It will be shown in the lower part of the LCD in a sequence: Temperature (ºC) → Humidity.2.
You can select the temperature to be displayed in ºF (Fahrenheit) by using the software.
In doing so, refer to the information in the software instructions.
There will be the icon “-LO-” displayed if the temperature/humidity sensor is not well
connected. At this time, please open the back cover and re-install the sensor, until the
correct measurement value is displayed.
Display MAX/MIN valuesb)
Press the button “MAX/MIN” to hold the maximum/minimum measurement and show the
recorded values.
It will be shown in the lower part of the LCD in a sequence: Maximum value → Minimum
value
Time and date display of the maximum/minimum values is switching automatically every
10 seconds. If you do not press the button for 40 seconds, the meter will automatically
exit from MAX/MIN mode and return to the the data hold and measure mode.
Alarm functionc)
When the measured value exceeds the set upper limit or lower limit, the alarm LED will light
up one time per minute. A red LED shows that the temperature value exceeds the limit, while a
yellow LED shows that the humidity value exceeds the limit.
DISPOSAL
Producta)
Electronic devices are recyclable waste and must not be disposed of in the household
waste.
At the end of its service life, dispose of the product according to the relevant statutory
regulations.
Remove any inserted (rechargeable) batteries and dispose of them separately from
the product.
(Rechargeable) batteriesb)
You as the end user are required by law (Battery Ordinance) to return all used batteries/
rechargeable batteries. Disposing of them in the household waste is prohibited.
Contaminated (rechargeable) batteries are labelled with this symbol to indicate that
disposal in the domestic waste is forbidden. The designations for the heavy metals
involved are: Cd = Cadmium, Hg = Mercury, Pb = Lead (name on (rechargeable)
batteries, e.g. below the trash icon on the left).
Used (rechargeable) batteries can be returned to collection points in your municipality,
our stores or wherever (rechargeable) batteries are sold.
You thus full your statutory obligations and contribute to the protection of the environment.
TECHNICAL DATA
Operating voltage: 1 x 3.6 V Lithium battery
Relative humidity accuracy: ±5 % (for 0 – 20 %)
±3.5 % (for 20 – 40% / 60 – 80 %)
±3 % (for 40 – 60 %)
Temperature accuracy: ±2 °C (for -40 to -10 °C / +40 to +70 °C)
±1 °C (for -10 to +40 °C)
Resolution: 0.1 % (relative humidity) / 0.1 °C (temperature)
Memory: 32700
Measuring rate: 1 second to 24 hours
System requirements: Microsoft Windows® 2000 / XP / Vista™ / 7
Dimensions (L x W x H): 94 x 48 x 33 mm
Weight: 115 g
Legal notice
These operating instructions are a publication by Voltcraft®, Lindenweg 15, D-92242 Hirschau/Germany, Phone +49 180/586 582 7
(www.voltcraft.de).
All rights including translation reserved. Reproduction by any method, e.g. photocopy, microlming, or the capture in electronic data processing
systems require the prior written approval by the editor. Reprinting, also in part, is prohibited.
These operating instructions represent the technical status at the time of printing. Changes in technology and equipment reserved.
© Copyright 2012 by Voltcraft® V2_0212_02-JU
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