- Products
- Sensors
- Level sensors
- Use in applications with coolants, cleaning agents and lubricants as well as hydraulic oils
- LK8122
Electronic level sensor
LK8122
LK0264B-B-00KVPKG/US
Electronic level sensor
LK8122
LK0264B-B-00KVPKG/US
- For the reliable level control in tanks and containers
- Suitable for water, oils and coolants
- Clearly visible numerical display
- Convenient operation via buttons or parameter setting via IO-Link
For 8-wire cordsets the core colors are not standardized. Please note the wiring of the sensor and the cordsets (see data sheet).
Product characteristics
Number of inputs and outputs | Number of digital outputs: 4 |
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Factory setting | hydrous coolants; water; media similar to water |
Probe length L [mm] | 264 |
Application
System | gold-plated contacts |
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Media | hydrous coolants; oils; oil-based media; water; media similar to water |
Dielectric constant of the medium | > 2 |
Cannot be used for | extremely conductive media; adhering media; granulates; bulk material; acids; alkali; food and electroplating industry |
Maximum speed of the change of level [mm/s] | 100 |
Tank pressure [bar] | 0.5; (when mounting with mounting accessories: E43001 - E43007, E43019) |
Medium temperature [°C] | 0...35; (with climate tube E43100: 35...65 °C) |
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Medium temperature [°C] | 0...70 |
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Medium temperature short time [°C] | 0...90; (< 1 h) |
Medium temperature [°C] | 0...35; (with climate tube E43100: 35...65 °C) |
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Electrical data
Operating voltage [V] | 18...30 DC |
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Current consumption [mA] | < 50 |
Protection class | III |
Reverse polarity protection | yes |
Power-on delay time [s] | < 3 |
Measuring principle | capacitive |
Inputs / outputs
Number of inputs and outputs | Number of digital outputs: 4 |
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Outputs
Total number of outputs | 4 |
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Output signal | switching signal; IO-Link |
Electrical design | PNP/NPN |
Number of digital outputs | 4 |
Output function | normally open / closed; (configurable) |
Max. voltage drop switching output DC [V] | 2.5 |
Permanent current rating of switching output DC [mA] | 200 |
Short-circuit protection | yes |
Type of short-circuit protection | thermal, pulsed |
Overload protection | yes |
Measuring/setting range
Factory setting | hydrous coolants; water; media similar to water |
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Probe length L [mm] | 264 |
Active range A [mm] | 195 |
Inactive range I1 / I2 [mm] | 53 / 16 |
Set point SP [mm] | 25...200 |
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Reset point rP [mm] | 20...195 |
In steps of [mm] | 5 |
Reference point OP [mm] | 69 - 82 - 94 - 106 - 118 - 130 - 143 - 155 - 167 - 179 - 191 - 204 - OFF |
Hysteresis, OP [mm] | 2 |
Accuracy / deviations
Measuring error [% of the final value] | ± 5 |
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Repeatability | ± 2 |
Resolution [mm] | 5 |
Software / programming
Parameter setting options | hysteresis / window; normally open / closed; switching logic; SP/rP position; adjustment OP; medium selection; offset setting; switch-on/switch-off delay |
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Interfaces
Communication interface | IO-Link | ||||
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Transmission type | COM2 (38,4 kBaud) | ||||
IO-Link revision | 1.1 | ||||
SDCI standard | IEC 61131-9 | ||||
Profiles | Smart Sensor: Process Data Variable; Device Identification, Device Diagnosis | ||||
SIO mode | yes | ||||
Required master port class | A | ||||
Process data analog | 2 | ||||
Process data binary | 4 | ||||
Min. process cycle time [ms] | 3.2 | ||||
Supported DeviceIDs |
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Operating conditions
Ambient temperature [°C] | 0...60 |
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Storage temperature [°C] | -25...80 |
Protection | IP 67 |
Tests / approvals
EMC |
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Shock resistance |
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Vibration resistance |
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MTTF [years] | 227 |
Mechanical data
Weight [g] | 290.4 |
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Dimensions [mm] | Ø 16 |
Material | stainless steel (1.4301 / 304); stainless steel (1.4404 / 316L); FKM; NBR; PBT; PC; PA; PP; TPV |
Materials (wetted parts) | PP |
Displays / operating elements
Display |
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Remarks
Pack quantity | 1 pcs. |
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Electrical connection
Connection | Connector: 1 x M12; coding: A; Contacts: gold-plated |
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