Operator's Manual

10 | P a g e

BATT VOLTAGE: PASS / FAILED

Once the self-test has completed the instrument will display the company logo as the start-up screen.

Figure 3: LOGO Display screen

Once the initialization is complete, the instrument will switch to the operational screen. While in the

warm-up period the readings will be blanked off. Once warm-up has completed the readings will be

active.

Figure 4: Normal Display

The layout of the display is as follows:

The model of Instrument is displayed on top of screen as shown in Figure 4, this will always be ExSens

X4. (Model of this instrument).

The instrument is capable of detecting up to four different gasses. The Flammable gas will always be a

pellistor and/or InfraRed sensor capable of detecting flammable gas in the range of 0.00% to 5.00%

vol/vol. The display can also be configured to display the value from 0.0% to 99.0%LEL.

The instrument also accommodates two toxic sensors that have various ranges depending on the type

of sensor and exposure limits harmful to humans. The measurement ranges are from 0ppm to

999ppm.