Castle GA2002 Vibration Meter 0.01 → 100 g

Castle Group
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Simple to use Vibration Meter for measuring acceleration, velocity and displacement. Ideal for checking fixed monitoring systems, condition maintenance prediction and other engineering operations.
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More Information
Measurement Condition Monitoring
Brand Castle Group
Available Outside the UK? Yes

GA2002 Vibration Meter by Castle Group Ltd

True to the principles of Castle design and development strategy, we are proud to introduce the GA2002 General Purpose Pocket Vibration Meter. Offering simple, reliable and accurate results for many types of vibration measurement plus instant Data-logging.

Reliable, repeatable and simple are three important criteria most people have when looking at taking vibration measurements. The GA2002 offers this on a plate and at a price unbeatable for what you get. This Instrument will give you all the fundamental vibration measurements in many of their variations using single key strokes. This makes it perfect for general machine and bearing vibration monitoring as well as other general-purpose vibration measurements.

The GA2002 is an industrial grade vibration level indicator featuring 3 basic parameters for acceleration (displayed in g), velocity (displayed in mm per second), and displacement (displayed in µm).

The unit has two operating ranges (Low and High), independently selectable for each parameter, with the High range giving a x10 resolution step against the Low range. For acceleration, this would give a Low Range span of 0.01 to 10g, with a corresponding High Range span of 0.1 to 100g.

These ranges are not to be confused with Low and High pass frequency filter sets that may be available on other manufacturers’ vibration instruments.

The unit has an overall tolerance of ± 1.5dB for the primary acceleration function, showing a display resolution of 3 figures with a 'floating' decimal point giving two places for readings below 10, one place for readings above 10, and no decimal place for readings at 100 or above.

There is a further ± 10% tolerance against the velocity and displacement integrator circuits. The display resolution figures for velocity and displacement are the same as for acceleration.

The unit offers two frequency weighting networks: Linear and Mechanical that can be applied independently to each parameter. Both frequency weightings are established from Castle Group’s own design, with the Mechanical filter extrapolated from international standard ISO 2954.

Learn More: Read our Glossary of Terms for Vibration Condition Monitoring


The uses for this instrument are far-reaching and widespread. One prime example would be a maintenance operator verifying results from a fixed monitoring system or taking measurements for maintenance prediction. Another example is a construction engineer checking that the vibration from a piling operation is not exceeding any environmental thresholds.


  • Small and Light weight
  • Simple to Use
  • Highly Robust
  • Tactile Keypad
  • 8 Character LCD Display
  • Simple Data-logging of 9 Data-points
  • Comes complete with Accelerometer, Cable, Spike Probe and Case
  • Multiple Filters - Mechanical and Linear
  • Multiple Integration Modes - Acceleration, Velocity and Displacement
  • Multiple Measurements - RMS, Max RMS and Peak

What do You Get?

When you purchase a GA2002 it comes as a complete working system. There are also a number of accessories available to cover an even wider range of applications and make your GA2002 even more versatile as an every day tool.

Additional Accessories (sold separately) KD1202 Pack of 5 Mounting Studs, KD1207 General Purpose Mounting Block

Accelerometer Piezo-electric (10pc/g)
Acceleration Range 0.1 to 1000 ms-2 (0.01 to 100 g)
Velocity Range 0.1 to 1000 mms-1
Displacement 1 to 1000μm (Above in RMS or Peak and in 2 ranges)
Mechanical Filter Frequency 10Hz - 1KHz
Linear Filter Frequency 10Hz - 10KHz
Memory non-volatile E2PROM memory which holds calibration data plus storage of 9 spot results.
Keypad 9 Key Tactile Keypad
Standards BS6842 Compliance with EMC CE marking
Display 8 Character LCD Display
Parameters Acceleration, Velocity, Displacement
Filters Mechanical & Linear
Detectors RMS and Peak
Displays rms, Lmax, Lpeak
Overload Indication(flashing display) Battery condition indication, Low Battery (Flashing alternate display), Hi/Lo range
Calibration Simple calibration offset accessed from the keypad and stored in the non-volatile memory
Weight 250g with batteries
Size 135 x 62 x 30mm
Batteries 1 x IEC No 6LR61 (Upto 40 hrs life with Duracel MN1604)

What's in the Box

Items Included:
  • GA2002 General Purpose Pocket Vibration Meter
  • KD1001 Basic Accelerometer
  • ZL1094-M12 Accelerometer Cable
  • KD1204 Magnetic Mount
  • KD1206 Small Spike Probe
  • KA013 Kit Case

Downloads and Datasheets

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