Link points to Internet Archive / others. Not hosted by InfraLens. Details
IS 2505:1992 is the Indian Standard (BIS) for concrete vibrators, immersion type (internal vibrators) - specification. This standard specifies the requirements for materials, sizes, construction, and performance of immersion type (internal) concrete vibrators used for compacting concrete on construction sites.
Specifies requirements for immersion (poker) type concrete vibrators.
Overview
Status
Current
Usage level
Specialized
Domain
General — Scaffolding, Formwork and Construction Equipment
JIS A 8610:2017JSA (Japanese Standards Association), Japan
HighCurrent
Internal concrete vibrators
Directly equivalent scope, covering classification, performance, and testing of immersion vibrators.
ISO 15880:2014ISO (International Organization for Standardization)
MediumCurrent
Concrete - Test methods for concrete vibrators - Immersion vibrators
Overlaps on performance testing methods (frequency, amplitude) but is not a full product specification.
EN 12649:2008+A1:2011CEN (European Committee for Standardization), Europe
LowCurrent
Concrete compactors and smoothing machines - Safety
Covers safety aspects of the machine, not performance specifications for concrete consolidation.
Key Differences
≠IS 2505 is a product specification from 1992, while more recent standards like ISO 15880:2014 focus specifically on advanced testing methodologies (e.g., using accelerometers and FFT analysis) not detailed in the Indian standard.
≠International standards like JIS A 8610:2017 provide a more detailed classification system, including classes for amplitude and eccentricity, which are only mentioned qualitatively in IS 2505.
≠European standard EN 12649 places strong emphasis on operator safety, mandating specifications for noise emission and hand-arm vibration, which are not addressed in IS 2505.
≠The endurance test requirements differ significantly. IS 2505 specifies a 24-hour continuous test, whereas JIS A 8610 requires a longer, 100-hour cyclic test.
Key Similarities
≈All standards identify the immersion-type vibrator (poker vibrator) as the primary subject, meant for internal compaction of concrete.
≈Both IS 2505 and its international counterparts (like JIS A 8610) recognize frequency and amplitude as the two most critical performance parameters for effective concrete consolidation.
≈Classification based on the diameter of the vibrating head is a common feature across IS 2505 and JIS A 8610, as this directly relates to the vibrator's radius of action.
≈The fundamental construction types, such as motor-in-head and flexible shaft driven vibrators, are recognized and covered in both the Indian and Japanese standards.
Parameter Comparison
Parameter
IS Value
International
Source
Minimum Frequency (Electric Motor-in-Head)
12000 vibrations per minute (vpm)
Nominal frequency is typically ≥167 Hz (10000 vpm), with common models at 200 Hz (12000 vpm).
JIS A 8610:2017
Mandatory Amplitude Specification
Not specified; mentioned as a 'desirable' characteristic.
Specified by class; e.g., Class H (High Amplitude) requires nominal amplitude ≥1.0 mm.
JIS A 8610:2017
Endurance Test Duration
24 hours continuous (12h in air, 12h in water).
100 hours total (in cycles of 1h in water, 1h in air).
JIS A 8610:2017
Frequency Measurement Method
By means of a suitable vibro-meter or tachometer.
Measured using an accelerometer attached to the vibrator head, with data processed by an FFT analyzer.
ISO 15880:2014
Range of Head Diameters
25 mm to 100 mm
25 mm to 150 mm
JIS A 8610:2017
Noise Emission Declaration
Not specified.
Mandatory declaration of A-weighted sound power level tested according to EN ISO 3744.
EN 12649:2008+A1:2011
Hand-Arm Vibration (HAV)
Not specified.
Requires measurement and declaration of vibration total value at the handle.
EN 12649:2008+A1:2011
⚠ Verify details from original standards before use
Key Values3
Quick Reference Values
Nominal sizes of vibrator needles25, 40, 60 mm (typically)
Typical operating frequency8000 to 12000 vibrations per minute (vpm)