Capacitive high-temperature sensor
KN5121
KNM30-HAFPKG
Capacitive high-temperature sensor
KN5121
KNM30-HAFPKG
- For use in plastics machines and crystallizers
- Easy adjustment to the empty and full state via pushbutton
- Level detection of granulates up to 250 °C
- LED display to check operation, switching status and function
- Resistant to electrostatic discharge
Product characteristics
| Electrical design | PNP |
|---|---|
| Output function | normally open / normally closed; (selectable) |
| Sensing range [mm] | sensing range programmable |
| Housing | threaded type |
| Dimensions [mm] | M30 x 1.5 / L = 116 |
Application
| Media | dry bulk material |
|---|---|
| Recommended media | plastic granulates |
Electrical data
| Operating voltage [V] | 10...30 DC |
|---|---|
| Current consumption [mA] | 34; (typical: 34 (24 V); maximum: 39 (30 V)) |
| Protection class | III |
| Reverse polarity protection | yes |
| Measuring principle | capacitive |
Outputs
| Electrical design | PNP |
|---|---|
| Output function | normally open / normally closed; (selectable) |
| Max. voltage drop switching output DC [V] | 2.5 |
| Max. voltage drop of function check output [V] | 3.5 |
| Max. current load for function check output [mA] | 10 |
| Permanent current rating of switching output DC [mA] | 200 |
| Switching frequency DC [Hz] | 10 |
| Short-circuit protection | yes |
| Type of short-circuit protection | pulsed |
| Overload protection | yes |
Detection zone
| Sensing range [mm] | sensing range programmable |
|---|---|
| Sensing range adjustable | yes |
Operating conditions
| Ambient temperature [°C] | -15...230 | ||||
|---|---|---|---|---|---|
| Note on ambient temperature |
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| Protection | IP 67 |
Tests / approvals
| EMC |
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|---|---|---|---|
| MTTF [years] | 347 |
Mechanical data
| Weight [g] | 458.5 |
|---|---|
| Housing | threaded type |
| Mounting | non-flush mountable |
| Dimensions [mm] | M30 x 1.5 / L = 116 |
| Thread designation | M30 x 1.5 |
| Materials | housing sensor: PPS; brass white bronze coated; housing electronic: PBT; PP; brass white bronze coated |
Displays / operating elements
| Display |
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|---|
Accessories
| Items supplied |
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|---|
Remarks
| Pack quantity | 1 pcs. |
|---|
Electrical connection - HF connection cable
| Cable: 2 m |
Electrical connection - plug
| Connector: 1 x M12; coding: A |
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — KN5121-01 — 13.04.2023 —
KN5121 –
KNM30-HAFPKG
- 1
- programming button
Electrical connection - HF connection cable
Cable: 2 m
Electrical connection - plug
Connector: 1 x M12; coding: A
- 2:
- Function check output programming wire