产品数据表
Datasheet
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TECHNICAL DATA
规格参数
General specifications
| Construction type | Inductive sensor with switching ball |
|---|---|
| Series | LFL4 |
| Rated voltage | 10 ... 30 V |
| Current consumption | < 10 mA at 24 V |
| Reverse polarity protection | yes |
| Connection | PNP NO/NC |
| Electromagnetic compatibility | Electromagnetic compatibility |
| Directive 2014/30/EUEN IEC 60947-5-2:2020 | Directive 2014/30/EUEN IEC 60947-5-2:2020 |
| Directive 2014/30/EU | EN IEC 60947-5-2:2020 |
| Degree of protection | IEC 60529:2014 |
| Installation conditions | Installation conditions |
| Installation instructionsrange of application and minimum length between mounting and float:- PUR version: ≥ 100 mm (4 inch), preferred for fuels, heating oils, oily fluids- CSM/CM version: ≥ 100 mm (4 inch), preferred for many acids and lyes- TPK version: ≥ 100 mm (4 inch), preferred for many acids and lyesmounting:- The float switch is mounted either from sidewards through a cable gland ≥ G1A into the vessel or- by means of a counter weight or rods (e. g. float switch combination) from the top.The pivot of the cable should always be horizontal. | Installation instructionsrange of application and minimum length between mounting and float:- PUR version: ≥ 100 mm (4 inch), preferred for fuels, heating oils, oily fluids- CSM/CM version: ≥ 100 mm (4 inch), preferred for many acids and lyes- TPK version: ≥ 100 mm (4 inch), preferred for many acids and lyesmounting:- The float switch is mounted either from sidewards through a cable gland ≥ G1A into the vessel or- by means of a counter weight or rods (e. g. float switch combination) from the top.The pivot of the cable should always be horizontal. |
| Process conditions | Process conditions |
| Process pressure (static pressure)sleeve design: ≤ 3 bar at 20 °C (68 °F) ball design: ≤ 2 bar at 20 °C (68 °F) | Process pressure (static pressure)sleeve design: ≤ 3 bar at 20 °C (68 °F) ball design: ≤ 2 bar at 20 °C (68 °F) |
| Installation instructions | range of application and minimum length between mounting and float:- PUR version: ≥ 100 mm (4 inch), preferred for fuels, heating oils, oily fluids- CSM/CM version: ≥ 100 mm (4 inch), preferred for many acids and lyes- TPK version: ≥ 100 mm (4 inch), preferred for many acids and lyesmounting:- The float switch is mounted either from sidewards through a cable gland ≥ G1A into the vessel or- by means of a counter weight or rods (e. g. float switch combination) from the top.The pivot of the cable should always be horizontal. |
| Process pressure (static pressure) | sleeve design: ≤ 3 bar at 20 °C (68 °F) ball design: ≤ 2 bar at 20 °C (68 °F) |
| Ambient temperature | Cable: - CSM/CM version: -20 ... 70 °C (-4 ... 158 °F)- PUR version: -20 ... 70 °C (-4 ... 158 °F)- TPK version: 5 ... 70 °C (41 ... 158 °F) - TPKF version: 5 ... 70 °C (41 ... 158 °F) |
| Storage temperature | -25 ... 70 °C (-13 ... 158 °F) |
| Altitude | ≤ 2000 m above MSL |
| Degree of protection | IP68 |
| Dimensions | float: - sleeve design: Ø29.2 x 135 mm - ball design: Ø86 mm Cable: - CSM/CM version: Ø6.7 mm- PUR version: Ø4.8 mm- TPK version: Ø6.9 mm- TPKF version: Ø5.9 mm |
| Material | float: PP (Polypropylene)cable:- CSM/CM version: CSM/CM cable (4 x 0.75 mm2)- PUR version: PUR cable, highly flexible (4 x 0.50 mm2)- TPK version: TPK cable (4 x 0.75 mm2)- TPKF version: TPK cable, flexible (4 x 0.34 mm2) |
| Switching point | switch angle, measured against the horizontal:- upper switch point +15° ±5°- lower switch point -15° ±5° |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Designation | - LFL-Z231, counter nut, G1A, PVC- LFL-Z32, counter weight, grey cast iron with plastic coating (Polycarbonate)- LFL-Z33, counter weight, grey cast iron with ECTFE coating (Halar)- LFL-Z131, gland screw connection G1A, PVC- LFL-Z132, gland screw connection G1A, brass- LFL-Z161, gland screw connection G2A, PVC- LFL-Z431, gland screw connection 1 NPT, PVC- LFL-Z461, gland screw connection 2 NPT, PVC |
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