- Products
- Sensors
- Level sensors
- Use in applications with coolants, cleaning agents and lubricants as well as hydraulic oils
- LT3923
Electronic level and temperature sensor
LT3923
LT0472B-B-00KLSKG/US
Electronic level and temperature sensor
LT3923
LT0472B-B-00KLSKG/US
- Reliable level detection in containers and tanks
- For use in water, oils and coolants
- User-friendly setting of switching function and switch points
- Level and temperature monitoring with just one unit
- Clearly visible numerical display
- Convenient operation via buttons or parameter setting via IO-Link
Product characteristics
Number of inputs and outputs | Number of digital outputs: 1; Number of analog outputs: 1 |
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Factory setting | mineral oils |
Probe length L [mm] | 472 |
Application
Media | hydrous coolants; oils; oil-based media; water; media similar to water | |
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Dielectric constant of the medium | > 2 | |
Cannot be used for | extremely conductive media; adhering media; granulates; bulk material; acids; alkali | |
Pressure rating [MPa] | 0.05 | |
Note on pressure rating |
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Medium temperature [°C] | 0...35; (with climate tube E43101 35...60 °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 E43101 35...60 °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 |
Inputs / outputs
Number of inputs and outputs | Number of digital outputs: 1; Number of analog outputs: 1 |
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Outputs
Total number of outputs | 2 |
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Output signal | switching signal; analog signal; IO-Link |
Electrical design | PNP/NPN |
Number of digital outputs | 1 |
Output function | normally open / closed; (configurable) |
Max. voltage drop switching output DC [V] | 2.5 |
Permanent current rating of switching output DC [mA] | 200 |
Number of analog outputs | 1 |
Analog current output [mA] | 4...20, invertible |
Max. load [Ω] | 500 |
Analog voltage output [V] | 0...10, invertible |
Min. load resistance [Ω] | 2000 |
Short-circuit protection | yes |
Type of short-circuit protection | thermal, pulsed |
Overload protection | yes |
Measuring/setting range
Factory setting | mineral oils |
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Probe length L [mm] | 472 |
Active range A [mm] | 390 |
Inactive range I1 / I2 [mm] | 60 / 22 |
Set point SP [mm] | 35...390 |
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Reset point rP [mm] | 30...385 |
In steps of [mm] | 5 |
Reference point OP [mm] | 139 - 163 - 188 - 212 - 236 - 261 - 285 - 310 - 334 - 358 - 383 - 407 - OFF |
Hysteresis, OP [mm] | 3 |
Measuring range [°C] | -20...90 |
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Set point SP [°C] | -19.5...90 |
Reset point rP [°C] | -20...89.5 |
In steps of [°C] | 0.5 |
Resolution of switching output [K] | 0.5 |
Accuracy / deviations
Measuring error [% of the final value] | ± 5 |
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Repeatability | ± 2 |
Resolution [mm] | 5 |
Zero signal (voltage) [V] | 0 |
Zero signal (current) [mA] | 4.0 |
Full signal (voltage) [V] | 10 |
Full signal (current) [mA] | 20 |
Switch point accuracy [K] | ± 1,5 |
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Resolution [K] | 0.5 |
Dynamic response T09 [s] | 90 |
Software / programming
Parameter setting options | hysteresis / window; normally open / closed; switching logic; current/voltage output; 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 | 4 | ||||
Process data binary | 1 | ||||
Min. process cycle time [ms] | 4.5 | ||||
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] | 223 | ||||
UL approval |
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Mechanical data
Weight [g] | 378.1 |
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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 |
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