HS-420IT Intrinsically safe 4–20 mA vibration sensor (velocity) with temperature output, top exit, PUR cable

Outputs: 4–20 mA (vibration velocity) and 10 mV/°C (temperature), PUR cable.

Output 4–20 mA + 10 mV/°C
Exit Top exit
IP IP68
Ex Ex i

Ordering options

Measuring range — velocity

Mounting thread

You do not have to choose every option — we will agree the rest in the quotation.

Quantity

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-420IT · as of 07/10/2026

Key features

Intrinsically safe version — approvals: Europe (ATEX), USA, India (PESO), South Africa (MASC)
SIL 2 and SIL 3 certification
For use with PLC / DCS systems
Temperature output
Piezoelectric element in compression design

Technical specifications

Parameters as specified by the manufacturer.

Measurement
Measured quantity	Vibration velocity, Temperature
Number of measuring axes	1 axis
Measuring range — velocity	10 / 20 / 25 / 50 / 100 mm/s (standard: 10)

Output signal
Output type	4–20 mA, Temperature 10 mV/°C

Connection and mounting
Cable / connector exit	Top exit
Integral cable	PUR
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

Operating conditions and protection
IP rating	IP68
Electromagnetic compatibility (EMC)	EN 61326-1:2013

Hazardous areas and approvals
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

Construction
Sensing element	PZT — compression
Case material	Stainless steel
Weight	150 g (nominal)
Features	For PLC / DCS systems

Identification
Model	HS-420IT
HS Sensors part no.	HS-420IT-TOP-PUR
Manufacturer's product name	HS-420IT – Top Exit – Integral PUR Cable Intrinsically Safe Accelerometer with Temp Output