GMI GT series User Manual

9-2
SNIFFER MODEUSER HANDBOOK
9.3 SNIFFER DISPLAYS
During the warm-up period,
all applicable sensors will be
checked and the display will
indicate any sensor faults.
A positive zero fault is indicated
by a ashing gas reading, as
illustrated in Fig. 9.1.
A negative zero fault
is indicated by a spanner
alternating with a zero reading
(not illustrated).
To zero the reading (in fresh air)
• Press and hold ZERO .
Note: Pump must be switched ON to zero reading.
After the sensors have been
checked, the normal display
will be as shown in Fig. 9.2:
alternating with
Fig. 9.1 Sensor Check
Fig. 9.2 Normal Display

GMI GT series Specifications

General

Brand	GMI
Model	GT series
Category	Measuring Instruments
Language	English