Setup For Waterless Wetbulb Measurement (Airflow Rate); Figure 1-7 Setting The Airflow For Waterless Wetbulb Sensor - 3M QUESTemp 44 User Manual

Operating QUESTempº 44/46
11

Setup for Waterless Wetbulb measurement (airflow rate)

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.
4.
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.
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.
053-664, RevC.
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.
Exit Setup by pressing the Run/Stop key.
NOTE: only QT
Flow Off
 Flow 00.3
46 supports the optional air-probe
º
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.
QUESTempº 44 & 46 models