Initial Operation; Warnings; Safety Instructions - TESTO 312-1 Instruction Manual

Function check/Leak check
Prior the commencing any testing the complete
measuring system (intrument, probe and hoses) should
be checked for leaks
Temperature influence on the leak test
During any leak tests the ambient temperature must
remain constant to obtain valid data.
Instrument should only be used by trained personnel.
Always adhere to any system safety instructions and
never use the equipment in an explosive environment.
Under normal operating conditions gas will not escape
from the instrument when connected to the gas pipe /
system under test.
The instrument is not designed to operate while wet, or
in an environment of condensing humidity
Simultaneous temperature and ionisation current
measurement is not permitted.
The instrument should only be used in the
conditions and for the purposes for which it was
constructed. Please take particular note of the
safety instructions and the technical data.
The instrument should only be used in the operation and
measurement ranges specified in the technical data.
Capacity display
Voltage >7.2 V
Life of rechargeable battery: approx. 5 h
Life of battery: approx. 15 h
(at an ambient temperature of 20°C)
Flashing symbol, voltage: <7.2 V
Life of rechargeable battery: approx. 15 min.
Low Bat
Life of battery: approx. 45 min.
If the rechargeable battery voltage drops
below 6.7 V automatic switch-off follows as
protection against total discharge.
3

Initial operation

Warnings

Safety instructions