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ISA 12.13-1 : 1995

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

PERFORMANCE REQUIREMENTS, COMBUSTIBLE GAS DETECTORS
Available format(s)

Hardcopy

Superseded date

11-28-2000

Language(s)

English

Published date

01-01-1995

1. Scope
2. Purpose
3. Definitions
4. General Requirements
5. Construction
5.1 General
5.2 Meters and Indicators
5.3 Alarm or Output Function
5.4 Trouble Signals
5.5 Controls and Adjustments
5.6 Batteries
6. Marking and documentation
6.1 General
6.2 Marking on Instruments
6.3 Instruction Manual
7. Performance Tests
7.1 General
7.2 Sequence
7.3 Preparation of Instrument
7.4 Conditions for Test and Test Area
7.5 Selectable Gas/Range Instruments
7.6 Unpowered Preconditioning Storage
7.7 Drop test
7.8 Vibration
7.9 Calibration
7.10 Accuracy
7.11 Temperature Variation
7.12 Step Change Response to 100 Percent Calibration Gas
7.13 Humidity Variation
7.14 Air Velocity Variation
7.15 Supply Voltage Variation
7.16 Electromagnetic Interference (EMI)
7.17 Long-Term Stability
7.18 Flooding with Undiluted Gas
7.19 Dielectric Strength
Annexes
A. References
B. Explanatory Notes

Deals with details of construction, performance and testing of portable, mobile and stationary electrical instruments used for sensing the presence of combustible vapor or gas concentrations in ambient air. Parts of these instruments can be installed or operated in Class l hazardous (classified) locations and gaseous mines according to codes and standards defined by authorities with jurisdiction. Covers line-voltage operated instruments rated at 600V nominal or lower, and portable, mobile or stationary instruments using a non-rechargeable (primary) type battery or rechargeable (secondary) type.

DocumentType
Standard
Pages
38
PublisherName
International Society of Automation
Status
Superseded

ISA TR12.24.01 : 1998 RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS CLASSIFIED AS CLASS 1, ZONE 0, ZONE 1, OR ZONE 2
ISA RP12.24.01 : 1998 RECOMMENDED PRACTICE FOR CLASSIFICATIONS OF LOCATIONS FOR ELECTRICAL INSTALLATIONS CLASSIFIED AS CLASS I ZONE 0, ZONE 1, OR ZONE 2

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