Supply in Kazakhstan
KEG TRK supplies ultrasonic diagnostics solutions (SDT Ultrasound Solutions) across Kazakhstan: Almaty, Astana, Karaganda, Ust-Kamenogorsk, Aktobe and other regions. Official warranty, monitoring system design, installation, commissioning and personnel training.
Mining equipment
Key features
Applications and resources
Industry solutions, landing pages and articles on Vigilant - Permanent Ultrasound Monitoring
Where it is used
Typical tasks
- Turbogenerators
- Critical pumps
- Compressor stations
- Oil refining
- Power generation
Overview
Vigilant is a permanent, continuous ultrasound monitoring system from SDT for mission-critical equipment. The system provides round-the-clock monitoring, early defect detection and integration with automation systems.
Features
System architecture
- A central unit for control and data processing
- Remote sensors — up to 16 channels
- Distributed architecture — sensors up to 100m from the unit
- Modularity — easy to scale
Measurement channels
- Ultrasound sensors — contact and airborne
- Temperature sensors — optional
- Vibration sensors — optional
- Digital inputs — for equipment status
Integration
- 4-20 mA analogue outputs
- Modbus TCP/IP — digital protocol
- OPC UA — for SCADA systems
- API — for custom integrations
Application areas
Critical equipment
- Turbines — steam, gas
- Turbogenerators — electrical generators
- Large electric motors — critical drives
- Main compressors — gas, air
Hazardous facilities
- Oil refining — refinery equipment
- Chemical plants — reactors, pumps
- Gas compressor stations — pipeline compressors
- Power facilities — power plants
Parameter monitoring
Ultrasound analysis
- Overall level — measurements in dBµV
- Spectral analysis — FFT spectra
- Comparison — against reference values
- Trends — historical data
Types of defects
- Friction and wear
- Cavitation
- Leaks
- Electrical discharges
- Imbalance
Advantages
Continuous protection
- 24/7 monitoring — round the clock
- Early warning — before catastrophic failure
- Equipment protection — against sudden failures
- Risk reduction — safe operation
Integration
- A unified system — with plant-wide monitoring
- SCADA/DCS — data feeds into control systems
- Auto-alarming — on deviations
- CMMS — integration with maintenance systems
Savings
- Less downtime — fewer unplanned outages
- Maintenance optimisation — predictive maintenance
- Equipment life — extended service life
- Insurance premiums — reduced
Configuration options
Compact
- Up to 4 channels
- A single unit
- Ideal for individual machines
Standard
- Up to 16 channels
- Distributed sensors
- Production lines
Enterprise
- Multiple units
- Plant-wide systems
- Centralised monitoring
Technical specifications
| Parameter | Value |
|---|---|
| Channels | Up to 16 (expandable) |
| Frequency range | Ultrasound: heterodyne CONMONSense RSV sensors; vibration: sampling up to 51.2 kHz, up to 12,800 spectral lines |
| Analogue outputs | 4-20 mA |
| Digital protocols | Modbus TCP/IP, OPC UA |
| Power | 24V DC |
| Enclosure | IP65/IP67 |
| Temperature | -40°C to +80°C |
| Mounting | DIN rail, wall mount |
Software
Web interface
- Setup and configuration
- Trend viewing
- Alarming
- Reports
Integration
- PLC connection
- SCADA integration
- Cloud connectivity (optional)
- API access
Permanent Monitoring Solutions
Vigilant is part of the permanent-monitoring series:
- Vigilant — Modular system, up to 16 channels
- Online4US — 4-channel compact solution
- LUBEsense — Specialised lubrication sensors
When to choose Vigilant
Ideal for
- Critical equipment — high-value assets
- Hazardous areas — hard-to-access locations
- Continuous processes — cannot be shut down
- Complex systems — many monitoring points
ROI
- Pays for itself on the first prevented failure
- Reduced downtime of critical equipment
- Personnel safety
- Regulatory compliance
Technical specifications
| Channels | Up to 16 channels |
| Frequency range | Ultrasound: heterodyne CONMONSense RSV sensors; vibration: sampling up to 51.2 kHz, up to 12,800 spectral lines |
| Output | 4-20 mA, Modbus TCP |
| Power | 24V DC |
| Protection | IP65/IP67 |
| Temperature | -40°C to +80°C |
| Mounting | DIN rail or wall mount |
Applications
Manufacturer
SDT Ultrasound Solutions
A permanent ultrasound monitoring system for critical equipment, 24/7
Key specifications
- Channels
- Up to 16 channels
- Frequency range
- Ultrasound: heterodyne CONMONSense RSV sensors; vibration: sampling up to 51.2 kHz, up to 12,800 spectral lines
- Output
- 4-20 mA, Modbus TCP
- Power
- 24V DC
- Protection
- IP65/IP67
Official supplier in Kazakhstan
Related products
SDT340 - Advanced Ultrasound Detector
The most advanced ultrasound detector for collecting, analysing and trending data
- 20 kHz to 50 kHz
- 10 Hz to 10 kHz
Online4US - Compact Online Monitoring
Compact 4-channel online monitoring system for continuous condition control
- 4 fixed channels
- 35–38 and 39–42 kHz (heterodyned to 0.5–3.5 kHz)
LUBExpert — SDT Ultrasound Bearing Lubrication Assistant
SDT instrument for precision ultrasound-guided greasing of rolling element bearings: tells you when to add grease and when to stop, follows routes from UAS3 and closes each task as GOOD, BAD or SUSPECT.
- LUBESense1 (external), IR pyrometer (built-in)
- 36.1–40.7 kHz, 6th-order Butterworth filter
Need advice?
Our specialists will help you choose the optimal Vigilant - Permanent Ultrasound Monitoring configuration for your equipment.
Related articles
All articles →
What compressed air leaks cost: a step-by-step calculation
Leak cost = air flow × operating hours × compressor specific energy × tariff. A flow table by orifice diameter and pressure, a worked example and how to use your own tariff.
How to test a steam trap: ultrasound and temperature
A steam trap is tested with two readings: temperature finds blocked traps, ultrasound before and after the trap finds steam blow-through. Signs by trap type, the procedure and steam losses.
Steam and Compressed Air in Food Plants: SDT Ultrasound as a Savings Lever
Food & beverage: a failed-open trap can dump >22.5 kg steam/h; up to 30% of compressed air is lost to leaks. How TRAPChecker, SDT340 and SDT acoustic tools turn losses into money and CO₂ — from SDT 2026 materials.
Vigilant: Permanent Ultrasonic Monitoring of Steam Traps and Valves
Up to 30% of traps may be failed; a 3 mm leak can cost €6,000+/year. How SDT Vigilant delivers online diagnostics for critical traps and valves — European plant case (−25% steam loss, €120,000/year).
Vigilant continuous acoustic monitoring: from the SDT route to online
When a weekly SDT340 walkdown is no longer enough: how SDT Vigilant covers critical bearings, steam traps and inaccessible points 24/7 and plugs into the route-based programme.
Wi-care: wireless vibration monitoring without running cables
How the I-care Wi-care 130 G23 and Wi-care Pure G24 wireless sensors capture vibration, shock and temperature on hazardous and hard-to-reach assets — with up to five years of battery life and data going to the I-see cloud.