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The Valve Sense mobile inspection system for leak detection in valves combines high-quality acoustic emission sensors with the 5G smartphone IS540.1 and the Senseven software. Intuitive operation, automatic leak detection, structured data management and a high-quality processor for fast data processing make it a unique maintenance tool in demanding industrial environments.


  • User-friendly application without expert knowledge
  • Leakage detection through algorithms and artificial intelligence
  • Software-guided inspection process
  • Automated data transfer in cloud-based back office
  • Cost savings through predictive maintenance
  • Avoidance of unplanned production downtimes

Technical Features

Analog band width from (kHz)20
Analog band width to (kHz)500
Input range94 dBAE / 100 dBAE
Sampling rateRes.: 2 MHz / 16 bit
Noise floor<12 μVRMS (95 – 300 kHz)
Power consumption<700 mW
DimensionsSize: 141,2 x 96,0 x 51,85 mm
Weight: 219,3 g
Types of protection
Usable from -20 °C to +55 °C

Further Features

Ladeoptionen (Desktopcharger, Magnetic)
Power supply over the connected mobile device
Download datatsheet | pdf ▪ 1 MB


ATEX (Europe)
ATEX (Europe)
applied for
II 2G Ex ib IIC T4 Gb
II 2D Ex ib IIIC T135°C Db
UKEX (United Kingdom)
UKEX (United Kingdom)
applied for
II 2G Ex ib IIC T4 Gb
II 2D Ex ib IIIC T135°C Db
IECEx (International)
IECEx (International)
applied for
Ex ib IIC T4 Gb
Ex ib IIIC T135°C Db
NEC500 (North America)
NEC500 (North America)
applied for
Class I Div. 1 Groups A, B, C, D, T4
Class II Div. 1 Groups E, F, G, T135°C
Class III Div. 1


  • Measuring electronic IS-VS1A.1
  • Sensor IS-SU150F1.1
  • Sensor IS-SU150F2.1
  • Waveguide Lock IS-WGLF1.1
  • Waveguide IS-WGxx.1
  • Sensor Cable
  • Coupling medium
  • Coupling film
  • Smartphone IS540.1
  • Battery
  • Power Adapter universal
  • Screwdriver
  • Safety Instructions
  • Quick Start Manual
  • Display Protection Foil
  • Display cleaning cloth
  • Carrying case
Approved accessories for IS-VS1A.1
Warranty extension
Warranty extension
With our comprehensive warranty and service offer, you can protect yourself against additional service costs and receive years of safety and protection directly from the manufacturer. From the very first day, your equipment is protected against accidental damage and normal wear and tear. This reduces your total cost of ownership and benefit from the precision and functionality of our equipment for a long time.


Datasheet IS-VS1A.1
1 MB
Product information IS-VS1A.1
383 KB
Product information warranty extension
209 KB
You've got questions?
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