Voltcraft DL-121TH USB Temperature & Humidity Data Logger DL-121TH User Manual
Product codes
DL-121TH
STARTING MEASURING
8.
After successful programming, the recording process can be started at the intended location by pressing
•
the button on the datalogger (8). The start is signaled by the simultaneous blinking of the LEDs „REC“ and
„ALM“.
Once the preset recording rate is reached (example 50), the recording is terminated automatically.
•
You can also terminate the recording at any time by reading the data out on a computer.
The green „REC“ LED goes off. The yellow „ALM“ LED blinks every 60 s.
READING THE DATALoGGER
9.
Start the Voltsoft software and connect the data logger to the computer. Follow the instructions in the software
1.
manual (section 3).
When you have finished reading data from the data logger, disconnect it from the USB port.
2.
Keeping the data logger connected to the USB port of the computer for extended periods can result
in a premature discharge of the battery.
DISPoSAL
10.
Product
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) batteries
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 fulfil your statutory obligations and contribute to the protection of the environment.
TECHNICAL DATA
11.
DL-101T
DL-121TH
Operating voltage:
3.6 V lithium Battery 1/2AA
Battery service life approx.:
1 year at 5 s recording interval
2.5 years at 10 s recording interval
Max. measuring data:
32 000
16 000 for temperature
16 000 for air humidity
Temperature measuring range:
-40 to +70 °C
Temperature accuracy:
+/- 1 °C (0 to +40 °C)
+/- 2,5 °C (residual range)
Response time temperature:
approx. 20 s
Measuring range rel. air humidity:
---
0 – 100 % RH
Accuracy rel. air humidity:
---
+/- 3 %
Response time air humidity:
---
approx. 5 s
Accuracy dew point
(at 25°C and 40–100 %RH):
---
+/- 2 °C
Resolution:
0,1 °C / 0,1 % RH
Measuring interval:
2/5/10/30 seconds
1/5/10/30 minutes
1/2/3/6/12/24 hours
Dimensions (L x W x H):
100 x 23 x 20 mm
Weight:
20 g
The enclosed wall mount has a self-adhesive pad. The surface must be dry, dust and fat-free. The
adhesive pad can only develop its full adhesive force above 5 °C.
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, microfilming, or the capture in electronic data processing
All rights including translation reserved. Reproduction by any method, e.g. photocopy, microfilming, 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.
These operating instructions represent the technical status at the time of printing. Changes in technology and equipment reserved.
© Copyright 2013 by Voltcraft®