Emerson Net Safety Millennium II SC310, Руководство пользователя

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Table 6-1: K-Factors for ISA (N. American) LEL Values (Calibrate with 2.5% by Volume
Methane)
(continued)
Gas LEL Correction factor
Hexane 1.2% Volume 2.3
Heptane 1.1% Volume 2.7
Ethylene 2.7% Volume 1.5
Propylene 2.4% Volume 1.5
Methanol 6.7% Volume 1.2
Ethanol 3.3% Volume 1.7
Table 6-2: K-Factors for IEC (European) LEL Values (Calibrate with 2.2% by Volume
Methane)
Gas LEL Correction factor
Propane 1.7% Volume 2.0
n-Butane 1.4% Volume 1.9
Isobutylene 1.8% Volume 1.7
Hydrogen 4.0% Volume 1.2
Ethane 2.5% Volume 1.5
Pentane 1.4% Volume 1.9
Hexane 1.0% Volume 2.5
Heptane 1.1% Volume 2.4
Ethylene 2.3% Volume 1.6
Propylene 2.0% Volume 1.6
Methanol 5.5% Volume 1.3
Ethanol 3.1% Volume 1.6
Note
For other gases and correction factors, Contact the manufacturer (factory).
If the sensor’s configuration setting is setup correctly as desired, refer to Millennium II
Basic Transmitter manual calibration procedure below and/or Figure 6-1 before
attempting calibration.
Millennium II Basic Transmitter Normal Calibration
Procedure
Calibrations may be performed either by using the magnet (non – intrusive) or by using
the push button (intrusive).
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