Operating QUESTempº 44/46
Setup for Waterless Wetbulb measurement (airflow rate)
053-664, RevC.
QUESTempº 44 & 46 models
11
Index
: none, ACGIH, Navy, Marine, EPRI and select either: WBGTi (indoor),
WBGTo (outdoor) for Index setting.
Index Setting Notes
TLV and action limit
only apply to the ACGIH Index. EPRI Navy, and Marine will
ignore this setting.
Clothing Correction
parameters are set from 0 - 9.9
C. This is a clothing correction
for the WBGT in degrees Celsius and is applied to the selected WBGT when the
work duration is calculated. (It will not affect the WBGT as displayed by the unit.)
This value should typically be set to 0.0 for the Navy.
(The field is noted as “Clo
Corr”.)
3.
Press the
I/O Enter
key to change a parameter. Time and date require
using the
Up/Down Arrows
and
I/O Enter
keys to modify each
number.
NOTE:
at any time, you can move back one level, by pressing the
Run/Stop
key.
4.
Exit Setup by pressing the
Run/Stop
key.
Setup for Waterless Wetbulb measurement (airflow rate)
For the Waterless Wetbulb sensor calculation, an airflow rate (or wind
speed) of 0.3 m/s is recommended and is the default setting of the
instrument.
NOTE: only QT
º
46 supports the optional air-probe
accessory.
If an air probe is not selected, the average wind speed of the
environment should be configured. This value is then entered into the
Flow screen under the setup menu.
Figure 1-7 Setting the airflow for Waterless Wetbulb sensor
To Setup Airflow rate
1.
In the setup menu, select
Flow
by pressing the
Up/Down Arrow
key to
select.
Flow Off
Flow 00.3 m/s
Airflow rate
The selected value will be underlined.
Press the Up/Down arrow key to change.
Press I/O Enter key to select a value
position.
