Velleman DVM401 User Manual

DVM401 Rev. 02
09.01.2014 ©Velleman nv
7
8. Recommended illumination: see table below.
At the Office
conference room, reception area
200
–
750
clerical work
700
–
1500
typing
1000
–
2000
In a Factory
packing work
150
–
300
production lines
300
–
750
inspection work
750
–
1500
electronic parts assembly line
1500
–
3000
In a Hotel
public room, cloakroom
100
–
200
reception
200
–
1000
Store
staircase
150
–
200
show window
750
-
1500
front of show window
1500
–
3000
Hospital
sick room, warehouse
100
-
200
operating
room
300
–
750
School
auditorium, gymnasium
100
–
300
classroom
200
–
750
library, laboratory
500
-
1500
c) Measuring Humidity
1. Place the function switch in the %RH position.
2. Read the measured value from the LCD.
3. The device needs a couple of minutes to catch up when the relative
humidity of the tested area changes.
d) Temperature Measurements
1. Place the function switch in the TEMP position.
2. Press the SELECT button to select 0.1°C or 1°C and 1°F or 0.1°F.
3. Read the measured value from the display.
4. Insert the K-type thermocouple in the appropriate socket.

Velleman DVM401 Specifications

General

Brand	Velleman
Model	DVM401
Category	Measuring Instruments
Language	English