Technical Specifications - Velleman DVM8838 Bedienungsanleitung

• Wipe the other parts of the thermometer regularly with a dry cloth. Do not use abrasive
solutions or solvents.
• Do not submerge the thermometer in water or any other liquid.
• There are no user-serviceable parts.
• Contact your dealer for spare parts if necessary.
• The device must be stored in a place with temperature conditions between -20°C and
+60°C (-4°F and +140°F) and relative humidity lower than 80%.
Battery
10.
• When the battery indicator [D] indicates low battery, replace the battery with a new one.
• Open the battery cover [10]. The battery cover has a hinge at the bottom of the device.
Hold the battery cover at the top (next to the measurement trigger [8]) and gently pull
away from the device.
• If necessary switch the lock switch [L] to the OFF-position first.
• Connect a new 9V battery to the thermometer with the battery clip and insert the battery
in the battery compartment.
• Push the cover back towards the device until it snaps into place.
WARNING: 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.

Technical specifications

11.
Temperature
Temperature accuracy
T =23~25°C
amb
(T =73~77°F)
amb
Display resolution
distance-to-spot ratio
Response time
Spectral response
Emissivity
Over range indication
Operating temperature
Storage temperature
Relative humidity
Diode laser
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 (23/10/2008)
DVM8838
Overall range -50°C ~ 1,000°C (-58°F ~ 1,832°F)
-50~20°C (-58~68°F)
-20~200°C (-4~392°F)
200~538°C (392~1,000°F)
538~1,000°C (1,000~1,832°F)
0.1°C (0.1°F)
D:S = 30:1
< 1s
8~14µm
Adjustable from 0.10 to 1.00 - step 0.01
Display shows '-OL' or '+OL'
0~50°C (32~122°F)
-20~60°C (-4°F~140°F)
10%~90% operating, < 80% storage
Output <1mW, wavelength 630~670nm, Class II laser product
1x 9V battery
100x56x230mm
290g (10.2oz.)
±5°C (±9°F)
±1.5% reading ±2°C (3.6°F)
±2.0% reading ±2°C (3.6°F)
±3.5% reading ±5°C (9°F)
7
®
Velleman