![](/html/5a/5ae4/5ae428ac9bb52a89d8d7b1dc9ae8c72cb474e06c8ae50e09594046c760f15348/bg1.png)
Operating instructions
vers 1.23 CHL20160527
SWEMA AB
Pepparv. 27
SE-123 56 FARSTA
SWEDEN
Tel: +46 8 94 00 90
Fax: +46 8 93 44 93
E-mail: swema@swema.com
Web page: www.swema.com
Contents:
1. Introduction........................ 1
2. Technical data...................... 1
3. Function............................. 2
4. Charging............................. 5
5. Driver Installation................ 5
6. SwemaTerminal 3................ 6
with rmare update............ 8
7. Instrument PC menu............. 8
![](/html/5a/5ae4/5ae428ac9bb52a89d8d7b1dc9ae8c72cb474e06c8ae50e09594046c760f15348/bg2.png)
1. Introduction
Thank you for choosing a quality instrument from Swema.
SwemaFlow 4000 measures airow directly in l/s, m3/h or cfm
(when set to US units). The instrument is turned on and off with the
red button next to the display. When the instrument is turned on the
display shows rst the rmware version then the voltage of the battery. After a few seconds the instrument is ready for measurement.
The instrument is automatically turned off after ten minutes.
The measuring equipment includes:
• Flow capture instrument with case
• Flow hood 650x650mm with case
• Charger
• USB-cable
• Operating instructions
• Calibration certicate
Accessories:
Flow hood 250 x 1200 mm, h = 800 mm (Part.nr 764420)
Cross for Swirl diffusers (Part.nr 769630)
2. Technical data
Measuring range:
Air Flow: 3 ... 1500 l/s, 10.8 ... 5400 m3/h, 6.4... 3178 cfm
Temperature: 0... 50°C, 32... 122°F
Barometer: 600... 1200 hPa, 18... 35 inHg
Measurement uncertainty:
Air Flow: 3 ... 30 l/s : ±1 l/s or better at 20 ... 25 °C
30 ... 1500 l/s : ±3 % or better at 20 ... 25 °C
± 0.15 % per °C deviation from cal. temperature
Temperature: ±0.4°C above 50 l/s
±0.6°C below 50 l/s
Barometer: ±3.5 hPa
At 95% coverage probability in non condensing, non moist air, <80
% RH, non aggressive gases
Memory: 9999 measurements
Air Flow measuring method: Mass ow, net of hot wires
Weight: 4,0 kg (including capture hood 650x650mm)
1.
![](/html/5a/5ae4/5ae428ac9bb52a89d8d7b1dc9ae8c72cb474e06c8ae50e09594046c760f15348/bg3.png)
3. Function
The current ow is presented on the display two times per second.
SwemaFlow 4000 compensates automatically for the air density by
measuring air temperature and barometric pressure.
On/Off (RED button)
Turn on the instrument by pressing the RED button (next to dis-
play). The display will go trough a sequence showing rmware version, battery status, ”Stnd” if set to display mass equivalent ow
for standard air density and lastly SwemaFlow 4000 enters regular
measuring mode and displays current ow. Turn the instrument off
by pressing the RED button. Toggle the display light by pressing the
RED button while the BLUE button is held down.
Unit (BLUE button)
By pressing the BLUE button the display toggles between l/s, m³/h,
air temperature (°C) and barometric pressure (hPa). When set to US
units it toggles between cfm, air temperature (°F) and barometric
pressure (inHg).
Mode (GREY button)
Toggle between Regular mode, Flow Factor mode and stored values
(notE) with Grey button.
Standard Measurement
Place the hood with the sealing list making a proper seal around the
valve. Read the air ow value from the display.
2.
![](/html/5a/5ae4/5ae428ac9bb52a89d8d7b1dc9ae8c72cb474e06c8ae50e09594046c760f15348/bg4.png)
HOLD Function (Button on HANDLE)
If the button on the HANDLE is pressed down shortly the display will
freeze the measured value. ”Hold” is shown in the upper left corner
of the display. Press the BLUE button to toggle between the free-
zed values (freezed air ow, temperature and barometric pressure).
Realese frozen values by pressing down the HANDLE button for less
than 2 s.
Save Measurement (Button on HANDLE held down)
If a measurement is freezed it can be saved by holding down the
button on the HANDLE for 2 sec. The display will show which note
number the measurment is saved as and then return to measuring
mode.
Flow Factor Measurement (F-mode)
In Flow Factor mode the ow is multiplied with a ow factor (ow
factor 1.00 will not alter the ow). A ow factor can for example be
used to compensate for a leakage. Warning: Changing to anything
else than 1.00 will alter the reading from the calibration certicate.
The display will show the text ”Factor” when the instrument is in F-
mode. If in regular measuring mode and the GREY button is press-
sed the display will show F1.00 or the ow factor value the instrument is set to. For example F1.10 will multiply measured ow with
1.10 and display the result.
Make a Measurement with a Flow Factor
To measure with the ow factor displayed next to F press button on
HANDLE. To change F-value instead hold down the HANDLE button
for minimum 2 sec when F1.00 is shown. The rst digit will start
ashing, change value by pressing GREY or BLUE button. When correct value is choosen conrm by press shortly the button on the
HANDLE and the second digit will start ashing, repeat the same
procedure with the second and third digit. After the third digit is
conrmed the instrument will start measuring in F-mode. Measurement can be stored in the same way as in regular measuring mode.
To return to regular measuring mode press GREY button 3 times
(rst press will show FX.XX, second will show notE and the third will
take you to regular mode).
3.