GB 12899-2026 General technical specification for hand-held metal detector English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
ICS
CCS
National Standard of the People's Republic of China
GB 12899-2026
General technical specification for hand-held metal detector
手持式金属探测器通用技术规范
Issue date: 2026-06-27 Implementation date: 2027-05-01
Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
the Standardization Administration of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test methods
6 Inspection rules
7 Marking, signs, labels and packaging
8 Accompanying technical documents
Annex A (normative) Test object codes, materials and external dimensions
Annex B (normative) Motion attitudes of test objects
Annex C (informative) Automatic test system
Figure 1 — Schematic diagram of detection base plane and detection axis
Figure 2 — Schematic diagram of detection plane, detection distance and detection mode
Figure 3 — Schematic diagram of radiated magnetic induction intensity measurement
Figure B.1 — Motion attitudes of test objects
Figure C.1 — Schematic diagram of automatic test system
Table 1 — Detection sensitivity requirements for different detection classes
Table 2 — Motion speed requirements for different detection classes
Table 3 — Climatic environmental adaptability
Table 4 — Climatic environmental adaptability tests
Table 5 — Mechanical environmental adaptability tests
Table 6 — Inspection groups and inspection items
General technical specification for hand-held metal detectors
1 Scope
This document specifies the technical requirements, marking, signs, labels and packaging, accompanying technical documents and inspection rules for hand-held metal detectors (hereinafter referred to as "detectors"), and describes the corresponding test methods.
This document is applicable to the design, manufacture and inspection of hand-held metal detectors.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 2423.1, Environmental testing for electric and electronic products — Part 2: Test methods — Tests A: Cold
GB/T 2423.2, Environmental testing for electric and electronic products — Part 2: Test methods — Tests B: Dry heat
GB/T 2423.3, Environmental testing — Part 2: Test methods — Test Cab: Damp heat, steady state
GB/T 2423.5, Environmental testing — Part 2: Test methods — Test Ea and guidance: Shock
GB/T 2423.7, Environmental testing — Part 2: Test methods — Test Ec: Rough handling shocks (primarily for equipment-type specimens)
GB/T 2423.10, Environmental testing — Part 2: Test methods — Test Fc and guidance: Vibration (sinusoidal)
GB/T 2828.1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829, Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of stability for process)
GB/T 4208, Degrees of protection provided by enclosure (IP code)
GB 4793-2024, Safety technical specification for electrical equipment for measurement, control and laboratory use
GB/T 8897 (all parts), Primary batteries
GB/T 17626.2-2018, Electromagnetic compatibility — Testing and measurement techniques — Electrostatic discharge immunity test
GB/T 17626.3-2023, Electromagnetic compatibility — Testing and measurement techniques — Part 3: Radiated, radio-frequency, electromagnetic field immunity test
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
hand-held metal detector
A hand-held metal detection device capable of detecting metal objects that reach or exceed a defined quantity.
3.2
positive alarm
An alarm signal given by the detector in the form of a specified sound, display or vibration when a metal object reaching or exceeding the defined quantity is detected.
3.3
alarm failure
Failure of the detector to alarm for a metal object that reaches or exceeds the defined quantity.
3.4
false alarm
An erroneous alarm given by the detector when detection has not yet been carried out or when no object requiring an alarm is present.
3.5
detector sensor
The sensor of the detector that detects metal.
3.6
detector axis
An imaginary axis passing through and perpendicular to the centre of the detection area of the sensor (generally the centre of the external dimensions of the sensor when not specified by the product) (see Figure 1).
3.7
detector base plane
The plane located on the surface of the detector sensor that is closest to the object under test during normal use (see Figure 1).
3.8
detection plane
A series of imaginary two-dimensional planes located above and parallel to the detector base plane when the detector is detecting an object under inspection.
3.9
detection distance
The distance between the detection plane and the detector base plane.
3.10
detection class
A classification used to describe the detection capability of a detector for metal objects of a certain size and electromagnetic characteristics.
3.11
test object
A specially made metal object used to verify the performance of a detector and evaluate its detection class.
3.12
automatic test system
An automated testing device used to simulate the process of a tester using a detector to detect a test object, and capable of placing the test object or the detector for testing.
4 Technical requirements
4.1 Appearance
The surface of the detector shall be smooth and clean, and shall be free from crazing, blistering, coating peeling, sharp corners and edges, flash and burrs, and obvious scratches.
4.2 Mechanical structure
4.2.1 Housing strength
The detector shall have sufficient mechanical strength and shall not exhibit loosening, misalignment, cracks or twisting deformation during normal use.
4.2.2 Enclosure protection rating
The enclosure protection rating of the detector shall meet the requirements of IP31 in GB/T 4208.
4.2.3 Battery placement
The battery placement of the detector shall meet the following requirements:
a) The battery shall be built-in and easy to replace or recharge;
b) The detector circuit shall be effectively isolated from the battery compartment.
4.2.4 Overall mass
The overall mass of the detector shall not exceed 800 g (including batteries).
4.3 Operating and control devices
Buttons, switches and interfaces shall operate flexibly, with clear tactile feedback and reliable functions.
4.4 Power supply
The power supply shall meet the following requirements:
a) Battery-powered, with a supply voltage not exceeding 15 V;
b) Capable of continuous normal and stable operation for at least 24 h without the need to replace the battery or recharge;
c) Equipped with a battery level indicator or low voltage indicator function;
d) The battery shall comply with the requirements of GB/T 8897 (all parts) or bear the China Compulsory Certification (CCC) mark.
4.5 Basic detection function
When detecting metal that reaches or exceeds the defined quantity, the detector shall be capable of giving an alarm by specified sound, display or vibration, and shall not exhibit alarm failure or false alarm.
4.6 Detection performance
4.6.1 Detection sensitivity
Detection sensitivity is classified into four levels A, B, C and D according to the detection distance from far to near. The detector shall be suitable for or cover at least one detection class.
Standard
GB 12899-2026 General technical specification for hand-held metal detector (English)
Standard No.
GB 12899-2026
Status
to be valid
Language
English
File Format
PDF
Word Count
14500 words
Translation Price(USD)
435.0
Implemented on
2027-9-1
Delivery
via email in 1~5 business day
Detail of GB 12899-2026
Standard No.
GB 12899-2026
English Name
General technical specification for hand-held metal detector
GB 12899-2026 General technical specification for hand-held metal detector English, Anglais, Englisch, Inglés, えいご
This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.
ICS
CCS
National Standard of the People's Republic of China
GB 12899-2026
General technical specification for hand-held metal detector
手持式金属探测器通用技术规范
Issue date: 2026-06-27 Implementation date: 2027-05-01
Issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
the Standardization Administration of the People's Republic of China
Contents
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test methods
6 Inspection rules
7 Marking, signs, labels and packaging
8 Accompanying technical documents
Annex A (normative) Test object codes, materials and external dimensions
Annex B (normative) Motion attitudes of test objects
Annex C (informative) Automatic test system
Figure 1 — Schematic diagram of detection base plane and detection axis
Figure 2 — Schematic diagram of detection plane, detection distance and detection mode
Figure 3 — Schematic diagram of radiated magnetic induction intensity measurement
Figure B.1 — Motion attitudes of test objects
Figure C.1 — Schematic diagram of automatic test system
Table 1 — Detection sensitivity requirements for different detection classes
Table 2 — Motion speed requirements for different detection classes
Table 3 — Climatic environmental adaptability
Table 4 — Climatic environmental adaptability tests
Table 5 — Mechanical environmental adaptability tests
Table 6 — Inspection groups and inspection items
General technical specification for hand-held metal detectors
1 Scope
This document specifies the technical requirements, marking, signs, labels and packaging, accompanying technical documents and inspection rules for hand-held metal detectors (hereinafter referred to as "detectors"), and describes the corresponding test methods.
This document is applicable to the design, manufacture and inspection of hand-held metal detectors.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 2423.1, Environmental testing for electric and electronic products — Part 2: Test methods — Tests A: Cold
GB/T 2423.2, Environmental testing for electric and electronic products — Part 2: Test methods — Tests B: Dry heat
GB/T 2423.3, Environmental testing — Part 2: Test methods — Test Cab: Damp heat, steady state
GB/T 2423.5, Environmental testing — Part 2: Test methods — Test Ea and guidance: Shock
GB/T 2423.7, Environmental testing — Part 2: Test methods — Test Ec: Rough handling shocks (primarily for equipment-type specimens)
GB/T 2423.10, Environmental testing — Part 2: Test methods — Test Fc and guidance: Vibration (sinusoidal)
GB/T 2828.1, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
GB/T 2829, Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of stability for process)
GB/T 4208, Degrees of protection provided by enclosure (IP code)
GB 4793-2024, Safety technical specification for electrical equipment for measurement, control and laboratory use
GB/T 8897 (all parts), Primary batteries
GB/T 17626.2-2018, Electromagnetic compatibility — Testing and measurement techniques — Electrostatic discharge immunity test
GB/T 17626.3-2023, Electromagnetic compatibility — Testing and measurement techniques — Part 3: Radiated, radio-frequency, electromagnetic field immunity test
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
hand-held metal detector
A hand-held metal detection device capable of detecting metal objects that reach or exceed a defined quantity.
3.2
positive alarm
An alarm signal given by the detector in the form of a specified sound, display or vibration when a metal object reaching or exceeding the defined quantity is detected.
3.3
alarm failure
Failure of the detector to alarm for a metal object that reaches or exceeds the defined quantity.
3.4
false alarm
An erroneous alarm given by the detector when detection has not yet been carried out or when no object requiring an alarm is present.
3.5
detector sensor
The sensor of the detector that detects metal.
3.6
detector axis
An imaginary axis passing through and perpendicular to the centre of the detection area of the sensor (generally the centre of the external dimensions of the sensor when not specified by the product) (see Figure 1).
3.7
detector base plane
The plane located on the surface of the detector sensor that is closest to the object under test during normal use (see Figure 1).
3.8
detection plane
A series of imaginary two-dimensional planes located above and parallel to the detector base plane when the detector is detecting an object under inspection.
3.9
detection distance
The distance between the detection plane and the detector base plane.
3.10
detection class
A classification used to describe the detection capability of a detector for metal objects of a certain size and electromagnetic characteristics.
3.11
test object
A specially made metal object used to verify the performance of a detector and evaluate its detection class.
3.12
automatic test system
An automated testing device used to simulate the process of a tester using a detector to detect a test object, and capable of placing the test object or the detector for testing.
4 Technical requirements
4.1 Appearance
The surface of the detector shall be smooth and clean, and shall be free from crazing, blistering, coating peeling, sharp corners and edges, flash and burrs, and obvious scratches.
4.2 Mechanical structure
4.2.1 Housing strength
The detector shall have sufficient mechanical strength and shall not exhibit loosening, misalignment, cracks or twisting deformation during normal use.
4.2.2 Enclosure protection rating
The enclosure protection rating of the detector shall meet the requirements of IP31 in GB/T 4208.
4.2.3 Battery placement
The battery placement of the detector shall meet the following requirements:
a) The battery shall be built-in and easy to replace or recharge;
b) The detector circuit shall be effectively isolated from the battery compartment.
4.2.4 Overall mass
The overall mass of the detector shall not exceed 800 g (including batteries).
4.3 Operating and control devices
Buttons, switches and interfaces shall operate flexibly, with clear tactile feedback and reliable functions.
4.4 Power supply
The power supply shall meet the following requirements:
a) Battery-powered, with a supply voltage not exceeding 15 V;
b) Capable of continuous normal and stable operation for at least 24 h without the need to replace the battery or recharge;
c) Equipped with a battery level indicator or low voltage indicator function;
d) The battery shall comply with the requirements of GB/T 8897 (all parts) or bear the China Compulsory Certification (CCC) mark.
4.5 Basic detection function
When detecting metal that reaches or exceeds the defined quantity, the detector shall be capable of giving an alarm by specified sound, display or vibration, and shall not exhibit alarm failure or false alarm.
4.6 Detection performance
4.6.1 Detection sensitivity
Detection sensitivity is classified into four levels A, B, C and D according to the detection distance from far to near. The detector shall be suitable for or cover at least one detection class.
