Velleman DVM401 - Manual (Page 8)

DVM401 Rev. 02
09.01.2014 ©Velleman nv 8
5. Touch the target surface with the extremity of the temperature
sensor and read the measured temperatures from the LCD.
Attention: Be careful when the range selector is positioned on one of
the following ranges: 0.1°C, 1°C, 0.1°F or 1°F. Do not
attempt to make voltage measurements while the test leads
are connected with the K-type thermocouple socket.
Ignoring this warning may lead to personal injury or
damage to the device.
5. Maintenance
The battery should be replaced when “BAT” appears on the display.
Open the battery compartment, replace the old battery (1 x 9V-battery
type 6F22 or equivalent) and close the compartment again.
6. Technical specifications
Display 1999 counts and the following
indications: dB, A & dB, C & dB, Lo &
dB, Hi & dB, MAX HOLD, DATA HOLD
indication
Polarity automatic negative polarity indication
Overrange Indication “OL”
Low-Battery Indication “BAT” is displayed when the battery’s
voltage drops below the operating
level
Measurement Rate 1.5 measurements per second,
nominal.
Storage Temperature -10°C to 60°C (14°F to 140°F)
Auto Power Off after ± 10 minutes of inactivity
Power Source one 9V-battery (e.g. 6F22)
Dimensions 251 x 63.8 x 40 (H x W x D)
Dimensions Photo detector 115 x 60 x 27mm