Bearing Analyzer – Vibrometer CM-21
| Sensors | |
|---|---|
| Types of sensors | External: accelerometer, Tacho probe Integrated: pyrometer |
| Vibration | |
| Magnitude | Displacement, Velocity, Acceleration |
| Detector | RMS, peak, peak-peak, peak factor (true peak divided by RMS) |
| Frequency range | 0.5 – 25600 Hz |
| Accuracy | ± 5% |
| Passbands for vibration measurements | ISO 10816 standard: 2..1000, 10..1000, 10..2000 Hz Additional: 10-5000Hz, 6.4-25kHz, 10-25kHz, 15-25kHz Combined Low + High frequency band: 50-300Hz + 8-10kHz |
| Temperature | |
| Range | from -40°C up to +350°C |
| Accuracy | ± / – 4°C |
| Stethoscope | |
| Volume | Adjustable in 9 steps |
| Audio output | Vibration signal |
| Headphones | 3.5 mm jack connector (advanced kit) |
| Rotation Speed | |
| RPM range | 60 – 40000 rpm |
| Accuracy | ± 1% |
| Tacho probe range | Up to 200 mm |
| General | |
| Display | 128×64 OLED, can work at freezing temperatures |
| Keypad | Membrane, tactile effect |
| Data exchange | USB |
| Data storage | More than 10000 measurements |
| Headphones | Machine, Measurement point, Direction |
| Environmental protection | IP65 |
| Working temperatures | -20°C up to +70°C |
| Weight | 290 g |
| Dimensions | 176 x 60 x 24 mm excluding external sensors (pocket size) |
| Working time from batteries | 10 hours (1750 mAh battery) |
| Battery type | Internal Li-Ion 1750 mAh |
| Charging time | 2 hours – mains supply charger, 8 hours – from USB port |
- Description
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Description
Vibrometer CM-21 – Compact Bearing Analyzer
The CM-21 Vibrometer is a portable, high-precision diagnostic device designed for bearing analysis, vibration monitoring, and temperature measurement across industrial equipment. With versatile sensor inputs, broad frequency coverage, and rugged construction, it enables efficient condition-based maintenance and machine health evaluation in challenging environments.
Key Features
- Multi-Mode Vibration Measurement: Supports displacement, velocity, and acceleration with RMS, peak, and peak-factor detection.
- Wide Frequency Range: Operates from 0.5 Hz to 25.6 kHz, with ISO 10816 passbands and additional high-frequency options for bearing fault detection.
- Integrated Temperature Sensor & Pyrometer: Measures surface temperature from −40°C to +350°C with ±4°C accuracy.
- Digital Stethoscope Function: Real-time audio monitoring of machine noise via included headphones with adjustable volume.
- RPM & Tacho Monitoring: Measures rotational speed from 60 to 40,000 RPM using an external tacho probe (range up to 200mm).
- High Storage Capacity: Stores over 10,000 measurement records with USB interface for data transfer.
- Rugged & Portable: IP65-rated, compact (176×60×24 mm), and lightweight (290g) — built for industrial fieldwork.
Applications
- Bearing fault detection and trending
- Predictive maintenance of rotating machinery
- In-field machinery diagnostics and RPM verification
- Industrial reliability and condition monitoring programs
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