TESTO 400 User Manual

Contents
9 Operation ............................................................................................ 24
9.1 Display – user interface ...................................................................................... 24
9.2 Main menu .......................................................................................................... 25
9.3 Preparing for measurement ................................................................................ 26
9.3.1 General measurement information ............................................................................. 26
9.3.2 Measuring mode ......................................................................................................... 27
9.3.2.1 Punctual measurement ....................................................................................................... 27
9.3.2.2 Continuous measurement ................................................................................................... 29
9.4 Application menus .............................................................................................. 31
9.4.1 Basic view .................................................................................................................. 32
9.4.1.1 Graphic view ....................................................................................................................... 32
9.4.1.2 Table view ........................................................................................................................... 33
9.4.2 Volume flow, duct ....................................................................................................... 33
9.4.3 Volume flow rate - grid measurement as per DIN EN 12599 ...................................... 36
9.4.4 Volume flow rate - grid measurement as per ASHRAE 111 ....................................... 40
9.4.5 Volume flow, outlet ..................................................................................................... 43
9.4.6 Volume flow - funnel ................................................................................................... 44
9.4.7 Volume flow, Pitot tube ............................................................................................... 46
9.4.8 Volume flow - k-factor ................................................................................................. 49
9.4.9 Comfort level – PMV / PPD (EN 7730 / ASHRAE 55) ................................................ 51
9.4.10 Discomfort - draught rate ............................................................................................ 55
9.4.11 Differential temperature (ΔT) ...................................................................................... 58
9.4.12 Differential pressure (ΔP) ........................................................................................... 60
9.5 Customer management ...................................................................................... 62
9.5.1 Creating and editing a customer ................................................................................. 62
9.5.2 Creating and editing measuring sites ......................................................................... 63
9.5.2.1 Duct measuring site ............................................................................................................ 64
9.5.2.2 Outlet measuring site .......................................................................................................... 66
9.5.2.3 k-factor measuring site ........................................................................................................ 67
9.5.3 Searching for and managing customers and measuring sites .................................... 68
9.6 Measurement data management ........................................................................ 70
9.6.1 Managing measurement data ..................................................................................... 71
9.6.2 Editing measurement data .......................................................................................... 76
9.6.3 Searching for measurement data ............................................................................... 78

TESTO 400 Specifications

General

Protection Class	IP40
Humidity Measurement Range	0 to 100 %RH
Memory	Internal memory for data storage
Connectivity	USB, Bluetooth
Power Supply	Rechargeable battery
Storage Temperature	-20 to 60 °C
Battery Life	Up to 10 hours
Measurement Parameters	CO, CO2, O2, NO, NO2, SO2, H2S, Temperature, Humidity, Differential Pressure, Flow
O2 Measurement Range	0 to 21 vol.%
SO2 Measurement Range	0 to 5000 ppm