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Retrotec 451 DucTester User Manual

Prepare the gauge, first time only

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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.