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.
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)
Features
USB and Bluetooth data output
Lightweight, portable design
Real-time vibration analysis
Easy on-site measurement
Complies with ISO 2954 standards
Applications
Vibration Meter NVRM-204 is used to detect mechanical faults, imbalances, and misalignments in rotating machines. It is commonly used in industries such as manufacturing, power generation, and automotive for quality control, maintenance, and predictive diagnostics of equipment.
Standard Accessories
Piezoelectric transducer
Powerful magnetic base
Probe (cone)
Probe (spherical)
Contact tachometer sensor
Photo tachometer sensor
Relative tape marks (350mm)
Carrying case (B04)
Optional Accessories
Headset
USB data cable with software
Bluetooth data adapter with software
Vibration Standard
ISO/IS2373 Motor Quality Standard According as Vibration Velocity
Quality Rank
Rev (rpm)
H: high of shaft (mm)
Maximum vibration velocity rms (mm/s)
80
132
225
Normal
600 to 3600
1.8
2.8
4.5
Good (R)
600 to 1800
0.71
1.12
1.8
1800 to 3600
1.12
1.8
2.8
Excellent (S)
600 to 1800
0.45
0.71
1.12
1800 to 3600
0.71
1.12
1.8
Ask Expert
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.
Labnics Vibration Meters deliver precise and high-sensitivity measurements to detect even the smallest vibrations. They offer a wide frequency range to accommodate various operational speeds and environments. These units feature digital displays that provide real-time readings for easy data interpretation. They are battery-powered, making them highly portable and convenient for field use. Our meters are made from high-quality materials to ensure long-lasting durability.
