Technical Specification - Velleman DVM171THD Notice D'emploi

1.9. Sensor reconditioning
Over time, the internal sensor may become compromised as a result of pollutants,
chemical vapours or other environmental conditions. This can lead to inaccurate
readings. To recondition the internal sensors, use following procedure:
• Heat the datalogger to +80°C (+176°F), humidity < 5% for 36 hours.
• Keep the datalogger at+20~+30°C (+70~+90°F), humidity >74% for 48 hours

1.10. Technical Specification

relative humidity (RH)
relative humidity accuracy
temperature
temperature accuracy
dew point temperature
dew point accuracy
logging rate
operating temperature
battery type
dimensions
weight
Use this device with original accessories only. Velleman nv cannot be held
responsible in the event of damage or injury resulted from (incorrect) use of
this device.
For more info concerning this product, please visit our website
www.velleman.eu.
The information in this manual is subject to change without prior notice.
00 (30/06/2008)
DVM171THD
Overall range 0% ~ 100%
0~20%
20~40%
40~60%
60~80%
80~100%
Overall range -40°C ~ +70°C (-40°F ~ +158°F)
-40~-10°C (-10~+40°F)
-10~+40°C (+14~+104°F)
+40~+70°C (+104~+158°F)
Overall range -40°C ~ +70°C (-40°F ~ +158°F)
25°C, 40~100% RH
Selectable interval, 2sec ~ 24 hours
-35°C ~ +80 °C (-31°F ~ +176°F)
3.6V Lithium (½ AA)
101 x 25 x 23 mm
172 gr. (6 oz) (battery)
7
±5.0%
±3.5%
±3.0%
±3.5%
±5.0%
±2°C (±3.6°F)
±1°C (±1.8°F)
±2°C (±3.6°F)
±2.0°C (±4.0°F)