← Back to NK Marketing
Skip to content
OrvantIndustrial Systems

Maintenance · SENTRY S3

SENTRY S3 Wireless Condition Sensor

Tri-axial vibration and temperature, streaming to your CMMS.

An intrinsically safe wireless sensor that measures tri-axial vibration, temperature and ultrasound on rotating equipment, with on-board ISO 20816 alarming and a five-year battery.

vibration
3-axis
vibration
bandwidth
10 kHz
bandwidth
battery life
5 yr
battery life
Zone 0
Ex ia
Zone 0

Datasheet Rev 02 · 2026-09 · Prices on application

● Interactive model · SENTRY S3

Technical specifications

Datasheet Rev 02 · 2026-09

Measurement

Vibration
Tri-axial MEMS, ± 50 g
Bandwidth
2 Hz – 10 kHz
Temperature
−40 to +125 °C
Alarming
ISO 20816 bands, on-board

Connectivity

Radio
Wireless mesh · BLE commissioning
Wired option
IO-Link · 4–20 mA
Battery
5 years at 1 reading/h
Integration
OPC UA · MQTT · REST

Dimensions

Envelope drawing

4896ELEVATION48END VIEWALL DIMENSIONS IN MM · ENVELOPE · NOT FOR CONSTRUCTION
Body
Ø 48 × 96 mm
Mounting
M8 stud or epoxy pad
Weight
220 g

Materials

Housing
316L stainless steel
Window
PPS composite
Seal
FKM, IP69K

Applications

  • 01Pumps & motors
  • 02Fans & blowers
  • 03Gearboxes
  • 04Remote & hazardous assets

Certifications & standards

  • ATEX / IECEx

    Ex ia IIC T4 Ga

  • IP69K

    High-pressure washdown

  • CE · UKCA

    Machinery & Low Voltage Directives

Datasheet & downloads

Engineering files on request

[RFQ]Request a quote

Tell us the duty.
We’ll engineer the answer.

  • 24-hour technical responseFrom an application engineer — never a call centre.
  • Engineered, not just pricedDuty review, selection and sizing come with every quote.
  • Full documentationDatasheets, GA drawings and curves with each proposal.
  • Confidential by defaultMutual NDA on request before you share drawings.

Prefer to talk?

rfq@orvant.example/+1 555 0140

RFQ · Technical enquiry

All fields required except files