Hansford SensorsHS-420S seriesVibration velocity (mm/s)
HS-420S 4–20 mA vibration sensor (velocity), side exit, FEP cable with conduit
Output: 4–20 mA (vibration velocity), FEP cable in protective conduit.
- Output 4–20 mA
- Exit Side exit
- IP IP65
- Cable FEP cable
Technical data is taken from the manufacturer's documentation. Before ordering, please confirm the parameters against the current datasheet or with our engineer.
HS Sensors · HS-420S · as of 07/10/2026
Key features
- For use with PLC / DCS systems
- Side exit — easier installation where space is limited
- Protective cable conduit
- Piezoelectric element in compression design
Technical specifications
Parameters as specified by the manufacturer.
| Measured quantity | Vibration velocity |
|---|---|
| Number of measuring axes | 1 axis |
| Measuring range — velocity | 10 / 20 / 25 / 50 / 100 mm/s (standard: 10) |
| Output type | 4–20 mA |
|---|
| Cable / connector exit | Side exit |
|---|---|
| Integral cable | FEP |
| Protective conduit | Yes |
| Mounting thread | 1/4"-28 UNF, male (standard), M6 × 1 mm, male, M8 × 1.25 mm, male |
| IP rating | IP65 |
|---|---|
| Operating temperature | −25 … +120 °C |
| Electromagnetic compatibility (EMC) | EN 61326-1:2013 |
| Sensing element | PZT — compression |
|---|---|
| Case material | Stainless steel |
| Weight | 150 g (nominal) |
| Features | For PLC / DCS systems |
| Model | HS-420S |
|---|---|
| HS Sensors part no. | HS-420S-SIDE-FEP-CONDUIT |
| Manufacturer's product name | HS-420S – Side Exit – Integral FEP Cable with Conduit 4-20mA Output Accelerometer |
Documentation
- HS-420S datasheet (metric units)PDF · Datasheet · EN · 500.4 KB · TS814.7
- HS-420S datasheet (imperial units)PDF · Datasheet · EN · 507.6 KB · TS814U.5
- HS-420 user manual (HS-420S and others)PDF · Manual · EN · 275.6 KB
- Stud and pad mounting instructionsPDF · Installation guide · EN · 429.3 KB
- HS-420S 3D CAD modelZIP · 3D CAD model · EN · 1.4 MB
Other HS-420S versions
All HS-420S variantsThe same model with a different cable exit, connector or cable type.
- HS-420S 4–20 mA vibration sensor (velocity), side exit, flame-retardant FR cable
- HS-420S 4–20 mA vibration sensor (velocity), side exit, PUR cable
- HS-420S 4–20 mA vibration sensor (velocity), side exit, braided cable
- HS-420S 4–20 mA vibration sensor (velocity), side exit, M12 connector
- HS-420S 4–20 mA vibration sensor (velocity), side exit, 2-pin MS connector
Where it is used
Typical applications
- Fans
- Electric motors
- Pumps
- Compressors
- Centrifuges
- Conveyors
- Air handling units
- Gearboxes
- Rolls
- Dryers
- Presses
- Cooling systems
- HVAC systems
- Spindles
- Machine tools
- Process equipment
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