Velleman DVM401 - Manual (Page 7)

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.