Description Of Function Keys; Key On/Off; Key; Keys  And - Ht Instruments Hta107 Bedienungsanleitung

4.3.

DESCRIPTION OF FUNCTION KEYS

4.3.1. Key ON/OFF

Pressing key ON/OFF allows turning on/off the instrument. Key ON/OFF also allows
deactivating the Auto Power OFF function (see § 4.3.11).

4.3.2. Key

Pressing key
instrument. Upon start-up, backlight is automatically turned on.
4.3.3. Keys  and 
Pressing keys  and  allows for the following operations:
➢ Selection of the measuring unit of air temperature in degrees
"
degrees Fahrenheit
relative moisture of materials
display
➢ Selection of the measuring unit of specific humidity expressed in g/kg or GPP (Grains
Per Pounds)
➢ Selection of the measuring unit of steam pressure in measuring mode Condensation
between the options
➢ Setting of the values of Maximum (HIGH) and Minimum (LOW) thresholds in alarm
conditions for measurements of relative humidity
§ 4.3.10)
➢ Recalling to the display of saved measures and deletion of the internal memory (see §
4.3.9)

4.3.4. Key RH%

Pressing key RH% allows for the following operations:
➢ Activation of measurement of air humidity with in-built sensor (see Fig. 1
whose value is shown on the main display
➢ Activation of the set values of Maximum (HIGH) and Minimum (LOW) thresholds in
alarm conditions for measurements of relative humidity
➢ Activation of measuring mode Condensation (see § 5.4)

4.3.5. Key MOI

Pressing key MOI allows for the following operations:
➢ Activation of moisture measurement of materials with in-built sensor
–
Fig. 1 part 12) or with external probe
shown on the main display
➢ Activation of the set values of Maximum (HIGH) and Minimum (LOW) thresholds in
alarm conditions for moisture measurement of materials with in-built sensor
and with external probe
➢ Activation of measuring mode Condensation and deactivation of measurement of
steam pressure (see § 5.4)

4.3.6. Key MODE/ZERO

Pressing key MODE/ZERO allows for the following operations:
➢ selection of dew point measurement (DEW) and of the humidity measurements
expressed in unit of mass g/kg (for temperature in degrees centigrade) or GPP
(Grains Per Pounds) (for temperature in degrees Fahrenheit)
activates/deactivates the display
" " "
or °F , for measurements of air relative humidity
"
MOI INT
" mBAR " and "
" "
MOI EXT
'
s backlight in any function of the
" "
and MOI EXT
kPa " (see § 5.4)
" %RH
" "
MOI EXT (see Fig. 1
(see § 4.3.10)
EN – 5
" " "
°C or Celsius
"
with reading on the secondary
" , " MOI INT " and " MOI EXT
" "
%RH (see § 4.3.10)
"
MOI INT
–
part 14), whose value is
HTA107
"
or in
" "
%RH and
" (see
– part 1),
"
(see
" "
MOI INT