Hansford SensorsHS-420 seriesVibration velocity (mm/s)
HS-420 4–20 mA vibration sensor (velocity), top exit, halogen-free HFFR cable
Output: 4–20 mA (vibration velocity), 4-core halogen-free HFFR cable.
- Output 4–20 mA
- Exit Top exit
- IP IP68
- Cable HFFR 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-420 · as of 07/10/2026
Key features
- Halogen-free cable
- Oil resistance
- For use with PLC / DCS systems
- 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 | Top exit |
|---|---|
| Integral cable | Halogen-free HFFR (polyolefin) |
| Number of cable cores | 4 |
| Mounting thread | 1/4"-28 UNF, female (standard), 1/4"-28 UNF, male, Quick Fit, female, M6 × 1 mm, male, M8 × 1.25 mm, male, M10 × 1.5 mm, male |
| IP rating | IP68 |
|---|---|
| Operating temperature | −55 … +130 °C |
| Electromagnetic compatibility (EMC) | EN 61326-1:2013 |
| Sensing element | PZT — compression |
|---|---|
| Case material | Stainless steel |
| Weight | 150 g (nominal) |
| Features | Oil-resistant, Halogen-free cable, For PLC / DCS systems |
| Model | HS-420 |
|---|---|
| HS Sensors part no. | HS-420-TOP-HFFR |
| Manufacturer's product name | HS-420 – Top Exit – Integral HFFR Cable 4-20mA Output Accelerometer |
Documentation
- HS-420 datasheet (metric units)PDF · Datasheet · EN · 141.5 KB · TS1065.6
- HS-420 datasheet (imperial units)PDF · Datasheet · EN · 164.2 KB · TS1065U.6
- HS-420 user manual (HS-420S and others)PDF · Manual · EN · 275.6 KB
- Integrated display — documentationPDF · Manual · EN · 1.2 MB
- Stud and pad mounting instructionsPDF · Installation guide · EN · 429.3 KB
- HS-420 3D CAD modelZIP · 3D CAD model · EN · 174.9 KB
Other HS-420 versions
All HS-420 variantsThe same model with a different cable exit, connector or cable type.
- HS-420 4–20 mA vibration sensor (velocity), top exit, FEP cable with conduit
- HS-420 4–20 mA vibration sensor (velocity), terminal head, flame-retardant FR cable
- HS-420 4–20 mA vibration sensor (velocity), top exit, flame-retardant FR cable
- HS-420 4–20 mA vibration sensor (velocity), top exit, PUR cable
- HS-420 4–20 mA vibration sensor (velocity), top exit, braided cable
- HS-420 4–20 mA vibration sensor (velocity), top exit, 2-pin MS connector
- HS-420 4–20 mA vibration sensor (velocity), top exit, M12 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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