TESTO 400 Short Instructions

1 About this document
3
1 About this document
• The instruction manual is an integral part of the instrument.
• Keep this documentation to hand so that you can refer to it when necessary.
• Please read this instruction manual through carefully and familiarize yourself
with the product before putting it to use.
• Hand this instruction manual on to any subsequent users of the product.
• Pay particular attention to the safety instructions and warning advice in order
to prevent injury and damage to the product.
You will also find further information about your testo 400 universal IAQ
instrument in the online instruction manual on the Testo website,
www.testo,com, under the product-specific download.
2 Safety and disposal
Take the testo information document into account (accompanies the product).
3 Product-specific safety instructions
DANGER
Integrated magnet
Danger to life for persons with pacemakers!
- Keep a distance of at least 20 cm between your pacemaker and the
measuring instrument.
ATTENTION
Integrated magnet
Damage to other devices!
- Keep a safe distance from devices that may be damaged by magnetism
(e.g. monitors, computers, credit cards, memory cards, etc.).

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