Model · Hansford Sensors
HS-420IT Intrinsically safe 4–20 mA vibration sensor (velocity) + temperature
Intrinsically safe 4–20 mA vibration sensor (velocity) + temperature. 2 versions — compare the versions and choose the one to order.

HS-420IT versions
| Version | Cable exit | Connector / cable |
|---|---|---|
| HS-420IT Intrinsically safe 4–20 mA vibration sensor (velocity) with temperature output, top exit, PUR cable | Top exit | PUR cable |
| HS-420IT Intrinsically safe 4–20 mA vibration sensor (velocity) with temperature output, top exit, M12 connector | Top exit | M12 |
Specifications shared by all versions
As specified by the manufacturer. Version-specific parameters are on each variant's page.
- Measured quantity
- Vibration velocity, Temperature
- Number of measuring axes
- 1 axis
- Measuring range — velocity
- 10 / 20 / 25 / 50 / 100 mm/s (standard: 10)
- Output type
- 4–20 mA, Temperature 10 mV/°C
- 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
- Electromagnetic compatibility (EMC)
- EN 61326-1:2013
- Hazardous-area version
- Intrinsically safe (Ex i)
- Approvals and certificates
- ATEX (EU), US approval (Class / Division), PESO (India), MASC (South Africa), SIL 2 / SIL 3
- Sensing element
- PZT — compression
- Case material
- Stainless steel
- Weight
- 150 g (nominal)
- Features
- For PLC / DCS systems
Documentation
- HS-420IT datasheet (metric units)PDF · Datasheet · EN · 2.1 MB · TS072.23
- HS-420IT datasheet (metric units)PDF · Datasheet · EN · 1.9 MB · TS1113.9
- HS-420IT datasheet (imperial units)PDF · Datasheet · EN · 2.1 MB · TS072U.12
- HS-420IT datasheet (imperial units)PDF · Datasheet · EN · 1.9 MB · TS1113U.9
- Guide: maximum cable lengthPDF · Guide · EN · 465 KB · TS740.2
- Guide: safety barriers in hazardous areasPDF · Guide · EN · 2 MB
- Stud and pad mounting instructionsPDF · Installation guide · EN · 429.3 KB
Not sure which version to choose?
Describe the machine, the mounting point and the system the signal goes to — we will recommend the cable exit, connector and cable type.