Battery, Technical specifications – Velleman DVM8861 User Manual
Page 8

DVM8861
00 (16/10/2008)
8
9.
Battery
•
To replace the battery, wait until the device powers off
automatically (after ± 7 seconds). When the lock mode is on,
switch it off first by pulling the measurement trigger (6) once.
•
Open the battery cover (7). The battery cover has a hinge at
the bottom of the device. Hold the battery cover at the top
(next to the measurement trigger (6)) and gently pull away
from the device.
•
Remove/insert the new 9V battery. Make sure the polarity is as
indicated in the casing.
•
Push the cover back towards the device until it snaps into
place.
WARNING: A malfunction may occur if the power is on when the
battery is replaced.
Dispose of batteries in accordance with local
regulations. Keep the battery away from children.
10.
Technical specifications
Temperature
Overall range -50°C ~ +550°C (-58°F ~ +1.022°F)
Temperature accuracy
T
amb
=23~25°C
(T
amb
=73~77°F)
-50~+20°C (-58~+68°F)
+20~+300°C (+68~+572°F)
+300~+550°C (+572~+1.022°F)
±2,5°C (±4,5°F)
±1,0% ±1,0°C (±1,8°F)
±1,5%
Repeatability
-50~+20°C (-58~+68°F)
+20~+550°C (+68~+1.022°F)
±1,3°C (±2,3°F)
±0,5% or ±0,5°C (±0,9°F)
Display resolution
0,1°C (0,1°F) <1.000
1°F > 1.000
distance-to-spot ratio
D:S = 12:1
Response time
150ms
Spectral response
8~14µm
Emissivity
Adjustable from 0.10 to 1.00, steps 0.01
Over range indication
Display shows
Operating temperature 0°C ~ +50 °C (+32°F ~ +122°F)
Storage temperature
-10°C ~ +60°C (+14°F ~ +140°F)
Relative humidity
10%~90% operating, < 80% storage
Diode laser
Output <1mW, wavelength 630~670nm, Class II laser product
Battery type
1x 9V battery
dimensions
146mm x 104mm x 43mm
weight
163 gr. (5.75 oz) (battery incl.)
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.