Manual

ManualsBrandsLabconco ManualsAccessories for airGuardian 1000 Digital Airflow Monitor

Labconco Instruction Sheet 3909400, Rev. F, ECO F288 4 of 7

Digital 1000 Calibration

1. Calibrate the airflow monitor according to the instruction manual that comes with the kit.

To successfully calibrate, it will be necessary to change the face velocity by adjusting the

airflow exhaust volume. The exhaust volume can be adjusted with the speed control on

the FilterMate or by using an adjustable damper on the exhaust blower. Typical

calibration conditions are set at face velocity air sample differences of at least 20 feet per

minute. The airflow monitor is factory set to be calibrated with a difference of at least 50

fpm and can be changed by changing the “lower/higher air sample difference”. The

following suggested in flow face velocity speeds are recommended to successfully

calibrate. Typical low air alarms are set 10-20 fpm below operational speeds. Follow

Step 2 below and review the Labconco 1000 Alarm User’s Manual that comes with the

airflow monitor.

Low Air Alarm

Set Point

Enclosure Operating

In flow Speed

Low Calibration

Set Point

High Calibration

Set Point

40 - 50 fpm 60 fpm 40 - 60 fpm 100 – 120 fpm

60 - 70 fpm 80 fpm 50 - 90 fpm 100 – 150 fpm

80 – 90 fpm 100 fpm 50 – 110 fpm 100 – 170 fpm

2. Go to setup and then CAL CONFIG MENU and change the “lower/higher air sample

difference” to 20 fpm. This will allow you to successfully calibrate with values of a

minimum of 20 fpm difference.

3. While in CAL CONFIG MENU, change the “sensor difference” from 10% to 3%.

4. While in CAL CONFIG MENU, adjust the red low air alarm to the desired setting such

as 55 fpm. Then adjust the yellow “CAUTION or WARNING” to 59 fpm. Then adjust

the “CAUTION or WARNING” air reset to 3 fpm. This sets the alarm condition.

5. To complete the CAL CONFIGURATION, be sure to enter “DONE”.

6. To start the calibration mode, use the Labconco 1000 Manual and enter

“CALIBRATION” mode on the display from the SETUP menu.

7. Follow the instructions on the display and alter the low exhaust volume with the speed

control on the FilterMate or exhaust damper. Measure the average face velocity and

enter the low value on the display. Be careful not to block the opening. The low exhaust

volume calibration will take about 5 seconds.

8. Now alter the high exhaust volume with the speed control on the FilterMate or exhaust

damper. Measure the average face velocity and enter the high value on the display. The

high value must be at least 20 fpm greater than the low value. The high exhaust volume

calibration will take about 5 seconds.

9. Be sure to enter “DONE” after successfully completing the low and high calibration set

points.

10. Once calibration is completed, go to “RUN” and hit “ENTER”. The value should read

close to the high calibration set point.

11. To lower the face velocity to the operating point, simply alter the exhaust volume with

the speed control on the FilterMate or exhaust damper. Then recheck the face velocity

with an anemometer to confirm the display on the digital airflow monitor.