441/451 Commercial DucTester QuickGuide
Prepare the gauge, first time only
1
Home
screen must show Model 450 on
Range 47.
If not, tap the device icon, then
Tap until “Retrotec DucTester” appears.
Tap then tap
www.retrotec.com Support: (888)330-1345 International: +1(604)732-0142 Made in Everson, WA, USA
Page 1
DucTester
Flex
Channel A
Channel B
Umbilical
Extra tubing
Range plugs
DM32 20A gauge
Gauge case
System case
Battery Charger
Tubing
Accessory Kit
QuickGuides
Change
Device
...
If units on Channel A and B are NOT correct
If time average is NOT “5 s avg”
- Tap
[Settings]
>
[Results to be displayed]
- Tap
[Pressure:]
to change pressure
- Tap
[Flow:]
or
[Flow/Area]
to change flow
units
- Tap to return
Home
.
- Tap
[Settings]
>
[Time Averaging]
“5 seconds”
- Tap to return Home.
