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Measuring principle
Vibration Liquids
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Characteristic / Application
Switching unit NAMUR technology for rail mounting
SIL2, according 61511
Intrinsically safe -
Supply / Communication
NAMUR
24V AC,DC / 230V AC -
Ambient temperature
Single installation:
-20 °C … 60 °C
(-4 °F … 140 °F)
Rail mounting:
-20 °C … 50 °C
(-4 °F … 122 °F) -
Communication
1 Channel: 1 level SPDT + 1 alarm SPST
3 Channel: 3 level SPDT + 1 alarm SPST -
Certificates / Approvals
ATEX, FM, CSA, IEC Ex, INMETRO, NEPSI, EAC
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Safety approvals
Overfill prevention WHG
SIL
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Measuring principle
Vibration Solids
-
Characteristic / Application
Switching unit NAMUR technology for rail mounting
SIL2, according 61511
Intrinsically safe -
Supply / Communication
NAMUR
24V AC,DC / 230V AC -
Ambient temperature
Single installation:
-20 °C … 60 °C
(-4 °F … 140 °F)
Rail mounting:
-20 °C … 50 °C
(-4 °F … 122 °F) -
Communication
1 Channel: 1 level SPDT + 1 alarm SPST
3 Channel: 3 level SPDT + 1 alarm SPST -
Certificates / Approvals
ATEX, FM, CSA, IEC Ex, INMETRO NEPSI
-
Safety approvals
Overfill prevention WHG
SIL
Field of application
Nivotester FTL325N is a switching unit for point level detection in liquid tanks, also in hazardous explosion areas. Also suitable for overfill prevention in tanks with combustible or non-combustible liquids harmful to water. Two-point control and point level detection. The perfect fit for applications in safety related systems with requirements for functional safety up to SIL2 in accordance to IEC 61508 /IEC 61511 using Liquiphant with electronic insert FEL56 or FEL58.
Switching unit with NAMUR input for rail mounting or single installation.
Ambient temperature: -20 to +50°C (-4 to +122°F)
International explosion protection certificates, overfill prevention WHG, marine approvals
Benefits
Nivotester FTL325N for connecting one, two or three measuring cells (1-, 2- or 3-channel devices)Intrinsically safe signal circuits Ex ia for use of measuring sensor in explosion hazardous areasFunctional safety up to SIL2 through line monitoringDIN Rail housing for simple series installation on standard rails in switch cabinetSimple wiring using pluggable terminal blocksNAMUR interface to EN 50227 (DIN 19234; NAMUR) or IEC 60947-5-6 to connect NAMUR sensors or electronic inserts