2.6.2 Limit
Limit
A limit that lies at 1 % O
2
is set to ensure that the measuring values lie below the lower explosive
limit (LEL) during measuring operation. This corresponds to approx. 25 % of the LEL. Exceeding
of the limit is signaled at Relay 4.
Function 51:
Limit 1: 1% H2
At relay: 4
Switches when exceeded On
Applies for all measuring ranges All
Limit alarm: On
Safety instructions
2.6Measurement of hydrogen in oxygen with Calomat 6E
Series 6 and ULTRAMAT 23
24 Compact Operating Instructions, 01/2024, A5E45779144002-AB
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