Heath Consultants Gas Delivery Unit (GDUnet) - Manual (Page 98)

6-4
USER HANDBOOK
3. Select the drop down menu arrow, illustrated in Fig. 6-5, to
net as the calibration station and gas delivery
unit suitable for all GMI instrument types:
Fig. 6-5 Select Rig
4.
be loaded (Nos. 2 to 8), together with ‘Zero Air’, always listed
as No. 1. ‘Zero Air’ is used for zeroing the instrument’s ranges
and cannot be edited.
The Gasurveyor 526 features four gas ranges, calibrated for
Methane as follows:
• 0 to 1000 PPM Flammable
• 0 to 100% LEL
• 0 to 1000ppm Carbon Monoxide
Remember that template gases / values entered must
be compatible with the corresponding gases / values on
each gas cylinder label.
5. To specify gas No.2 (0 to 1000 PPM Flammable), select
to display gases drop down list, as illustrated in Fig. 6-6.