49391
Revision 3
23
Gasurveyor 700
USER MANUAL
Note: Some of the ranges, features and functions described below are optional and
may not be available on your monitor.
4.1. Gas Leak Outdoors (GLO) / Indoors (GLI)
In these modes, the GS700 acts as a gas indicator drawing a gas sample, via a probe, where gas
is suspected to be present.
4.1.1 Available Ranges
• 0 - 10,000 ppm Methane
(Semiconductor sensor)
• 0 - 10,000 ppm Flammable
(IR sensor)
• 0 - 100% LEL Flammable
• 0 - 100% Volume Flammable
• 0 - 25% Volume Oxygen (O
2
)
• 0 - 1,000 ppm Carbon Monoxide (CO)
• 0 - 100 ppm Hydrogen Sulphide (H
2
S)
4.1.2 Features
Gas Leak Outdoors (GLO) / Indoors (GLI) modes features:
• Barhole testing
(GLO mode only)
• Audible / visual gas alarms
(optional)
• Pump control
• Manual & automatic datalogging
• Sensor zeroing
• Flammable autoranging (ppm to LEL to Volume)
4.1.3 Display
Figure 24: Typical Gas Leak Outdoors (GLO) display
