Industrial Scientific OLDHAM 300 Series, Operating And Maintenance Manual

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Example (first line of the table): calibrate an “Acetone” detector with a 1% volume butane test gas
Value to display: 1% (injected butane) x 100 x 0.95 (butane/acetone coefficient) = 63% LEL
1.5% (LEL butane)
Note:
- LELs vary according to the source. The LEL values reported here come from European
standard EN 50054
- Coefficients are accurate to
±
15%
3 Markings:
OLDHAM
0080
CEX 300
II 2GD
IP66
U max.: 2.8V I max.: 0.4 A P max = 0.8 W
For Ambient T = 60°C EEx e d IIC T6 (85°C)
INERIS 01ATEX0006X
WARNING ELECTROSTATIC CHARGE
CLEAN OR WIPE ONLY WITH A DAMP CLOTH
The serial number is located on the sump case