Oil humidity sensor
LDH122
OIL HUMIDITY SENSOR IO-LINK
Oil humidity sensor
LDH122
OIL HUMIDITY SENSOR IO-LINK
- Monitors the moisture content and temperature of ester and mineral oils
- continuous measurement enables condition-based changes and maintenance
- Easy installation thanks to standardised process connection and M12 connector
- User-friendly communication and parameterisation via IO-Link
Product characteristics
| Number of inputs and outputs | Number of digital outputs: 1 |
|---|---|
| Process connection | threaded connection 1/2" NPT |
Application
| Special feature | Gold-plated contacts |
|---|---|
| Media | mineral oils; synthetic esters; biodegradable oils |
| Cannot be used for | See operating instructions, chapter "Intended use". |
| Medium temperature [°C] | -40...120 |
| Pressure rating [bar] | 50 |
| Vacuum resistance [mbar] | -1000 |
Electrical data
| Operating voltage [V] | 18...30 DC |
|---|---|
| Current consumption [mA] | < 50 |
| Protection class | III |
| Reverse polarity protection | yes |
| Power-on delay time [s] | 2 |
| Max. current load total [A] | 0.065 |
Inputs / outputs
| Number of inputs and outputs | Number of digital outputs: 1 |
|---|
Outputs
| Total number of outputs | 1 |
|---|---|
| Output signal | IO-Link |
| Number of digital outputs | 1 |
Measuring/setting range
| Measuring range [% RH] | 0...100 |
|---|
| Measuring range [°C] | -40...120 |
|---|
Accuracy / deviations
| Accuracy | ± 3; ( ± 5 % in the range < 10 %, > 90 %) |
|---|---|
| Repeatability [% of the final value] | ± 0,5 |
| Resolution [%] | 0,1; (process value) |
| Accuracy [K] | ± 1 |
|---|---|
| Repeatability [K] | ± 0,5 |
| Resolution [K] | 0.1 |
Response times
| Response time [s] | oil: T09 < 30 |
|---|
| Response time [s] | oil: T09 < 30 |
|---|
Interfaces
| Communication interface | IO-Link | ||||
|---|---|---|---|---|---|
| Transmission type | COM2 (38,4 kBaud) | ||||
| IO-Link revision | 1.1 | ||||
| SDCI standard | IEC 61131-9 | ||||
| Profiles | Identification and Diagnosis (0x4000), Measurement Data Channel (0x800A) | ||||
| SIO mode | no | ||||
| Required master port type | A | ||||
| Process data analogue | 5 | ||||
| Min. process cycle time [ms] | 4.5 | ||||
| Supported DeviceIDs |
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Operating conditions
| Ambient temperature [°C] | -40...85 |
|---|---|
| Storage temperature [°C] | -40...85 |
| Max. relative air humidity [%] | 100 |
| Protection | IP 68; IP 69K; (7 days / 3 m water depth / 0.3 bar: IP 68) |
Tests / approvals
| EMC |
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| Shock resistance |
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| Vibration resistance |
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| MTTF [years] | 284 | ||||
| UL approval |
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| Pressure Equipment Directive | Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request |
Mechanical data
| Weight [g] | 117 |
|---|---|
| Materials | stainless steel (316L/1.4404); PEI; Sealing: FKM |
| Materials (wetted parts) | stainless steel (316L/1.4404); PA6 GF50; epoxy resin; Sealing: NBR |
| Process connection | threaded connection 1/2" NPT |
Remarks
| Remarks |
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|---|---|---|
| Pack quantity | 1 pcs. |
Electrical connection
| Connection | Connector: 1 x M12 (EN 61067-2-101); coding: A; Contacts: gold-plated |
|---|
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — LDH122-00 — 22.04.2024 —
LDH122 –
OIL HUMIDITY SENSOR IO-LINK
Electrical connection
Connector: 1 x M12 (EN 61067-2-101); coding: A; Contacts: gold-plated
Connection
- colours to DIN EN 60947-5-2
- BK=
- black
- BN=
- brown
- BU=
- blue