ORVANT
Industrial Systems
TECHNICAL DATASHEET
ORV-DS-SENTRYS3-EN
Rev 02 · 2026-09
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.
3-axis
vibration
10 kHz
bandwidth
5 yr
battery life
Ex ia
Zone 0

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 |
Materials
| Housing | 316L stainless steel |
| Window | PPS composite |
| Seal | FKM, IP69K |
Dimensions
Key dimensions
| Body | Ø 48 × 96 mm |
| Mounting | M8 stud or epoxy pad |
| Weight | 220 g |
Applications
- — Pumps & motors
- — Fans & blowers
- — Gearboxes
- — Remote & hazardous assets
Certifications & standards
| ATEX / IECEx | Ex ia IIC T4 Ga |
| IP69K | High-pressure washdown |
| CE · UKCA | Machinery & Low Voltage Directives |