Vibration Meter NVRM-204 features a piezoelectric transducer for precise vibration and acceleration measurements. It operates within a temperature range of 0°C to 50°C and humidity below 90% RH. This unit combines photo tachometer and contact tachometer functions for accurate rotation. It includes headphones for live sound detection and monitoring. Our meter displays test parameters clearly through a user-friendly digital screen.
| Sensor |
Piezoelectric Transducer |
| Accuracy |
5% of reading + 2 digits |
| Acceleration range |
0.1 to 400m/s² 0.3 to 1312ft/s² 0.0 to 40g Equivalent peak |
| Velocity range |
0.01 to 400mm/s 0.004 to 16.0inch/s True RMS |
| Displacement |
0.001 to 4.0mm 0.04 to 160.0mil Equivalent peak |
| Frequency acceleration range |
10Hz to 10kHz |
| Frequency velocity range |
10Hz to 1kHz |
| Frequency displacement |
10Hz to 1kHz |
| Rotation rate range |
60 to 99,990 RPM (r/min) (Reading should be multiplied by 10 if the display shows ‘10’) |
| Frequency range |
1 to 20,000Hz (Reading should be multiplied by 10 if the display shows ‘10’) |
| Temperature range |
0 to 50°C |
| Humidity range |
<90% RH |
| Power supply |
4×1.5V AAA (UM-4) Battery |
| Dimension |
140×72×34mm |
| Weight |
380g (Excluding batteries) |
FAQ for Vibration Meter NVRM-204
1: Can I connect the Vibration Meter NVRM-204 to a computer or phone?
Yes, it supports USB for PC connection and also has optional Bluetooth data output, making it easy to store, track, or share your measurement data.
2: How durable is the Vibration Meter NVRM-204?
The piezoelectric sensor is highly durable and accurate, designed to withstand industrial environments while delivering consistent measurements over time.
3: What is the difference between True RMS and Peak readings?
True RMS gives a better average of fluctuating vibrations over time (especially for velocity), while Peak readings show the highest instant value (used in acceleration and displacement modes).
4: What kind of maintenance does the Vibration Meter NVRM-204 require?
Very little. Just keep the sensor clean, replace the batteries as needed, and store it in the provided case to protect it from dust and impact. No calibration is typically required unless specified by your maintenance standards.
5: How long does it take to get a stable reading?
Readings are displayed instantly and stabilize within seconds, allowing you to move quickly from one machine to the next during inspections.
