User guide

Spectrex Inc. - SafEye
TM
300 Gas Detector Manual – TM 794100, Rev. D, May 2004
16
Notes:
1 Four Gas types can be selected for maximum compatibility to Gas spectral
properties. The selection of the appropriate type is defined by pre-setting of
SW1-3 and SW1-4 according to the following table:
Table 8. Gas Type Calibration Setup
bit # 0 position
(SW1-3)
bit # 1 position
(SW1-4)
Detected Gas
Type
Gas type as
defined in
Section 2.3.6
off off Methane Gas 1
on off Mixture Gas 2
off on Propane Gas 3
on on Mixture Gas 4
2 In Model 301 the standard full scale is 2.5 LEL.m and 1 LEL.m by DIPSwitch.
Address Selection Switch
The Address selection Switch provides up to 64 different addresses for the
detector upon a network installation. Each detector can be recognized at its
specific address in RS485 network. The address should be determined by a pre-
setting of SW2-1 to SW2-6 switches.
Attention!
SW2-7 and SW2-8 should be always at on.