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BS EN 13485:2023

BS EN 13485:2023

$142.49

Thermometers for measuring the ambient or internal temperature for the transport, storage and distribution of temperature sensitive goods. Tests, performance, suitability

Published By Publication Date Number of Pages
BSI 2023 30
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This document specifies the technical and functional characteristics for all types of thermometers (electronic, mechanical, etc.) for equipping the means used for the transport, storage and distribution of temperature sensitive goods and for measuring the ambient or internal temperature of the products between −80 °C and +85 °C. It specifies the test methods which allow the verification of the equipment’s conformity to suitability and performance requirements. It applies to the whole thermometer and indicating device(s). The temperature sensor(s) can be integrated into the thermometer or remote from it (wired or wireless external temperature sensor(s)). It does not specify the location of the thermometer and its sensors with respect to types of usage such as transport, storage and distribution. NOTE Examples for the transport, storage and distribution of temperature sensitive goods between −80 °C and +85 °C include chilled, frozen, deep frozen and quick-frozen food; ice cream; fresh and hot food; pharmaceuticals; blood and organs; chemicals; biologicals; electronic and mechanical devices; flowers, plants and bulbs; raw materials and liquids; animals; art and furnishings.

PDF Catalog

PDF Pages PDF Title
2 undefined
8 1 Scope
2 Normative references
9 3 Terms and definitions
10 4 Requirements
4.1 General
4.2 Measuring range
4.3 Locking of settings
4.4 Load indicator
11 4.5 Degree of protection provided by the enclosure
4.6 Electrical safety (if applicable)
12 4.7 Operating characteristics linked to external electrical influences
4.7.1 External supply voltage (if applicable)
4.7.2 Autonomous power supply (if applicable)
4.7.3 Frequency (AC) (if applicable)
4.7.4 Electrical power disturbances and susceptibility to radiated electromagnetic field
4.8 Metrological characteristics
4.8.1 General
4.8.2 Maximum permissible errors and resolution
13 4.8.3 Response time
4.8.3.1 Thermometers for measuring the air temperature
4.8.3.2 Thermometers for measuring the product internal temperature
4.9 Usage profiles
4.9.1 Climatic environment
4.9.2 Mechanical vibrations
4.9.3 Shock resistance
5 Test methods
5.1 Test list
14 5.2 General conditions for tests
5.2.1 Pre-tests adjustments
5.2.2 Normal atmospheric conditions
5.2.3 Reference conditions
15 5.3 Determination of temperature measurement error
5.3.1 Test method
16 5.3.2 Expression of results
17 5.4 Determination of response time
5.4.1 General
5.4.2 Purpose of the test
5.4.3 Test methods
5.4.3.1 General
5.4.3.2 Response time in air
18 5.4.3.3 Response time in thermostatic bath
5.5 Action of influence quantities
5.5.1 General
5.5.2 Variation in external supply voltage (if applicable)
5.5.3 Influence of ambient temperature
5.5.3.1 General
5.5.3.2 Test applicable to thermometer with external sensor
19 5.5.3.3 Test applicable to thermometers with internal sensor
5.5.4 Temperature testing under storage and transport conditions for the thermometer
5.5.5 Shock resistance test (if applicable)
5.5.6 Mechanical vibrations (if applicable)
20 5.5.7 Degree of protection provided by enclosure (IP code)
5.5.8 Electrical safety (if applicable)
5.5.9 Dielectric strength (if applicable)
6 Conditions of acceptance
6.1 Requirements
6.2 Maximum permissible errors
7 Designation
21 8 Marking
9 Periodic verification
22 Annex A (informative) Example of data form describing suitability for use of equipment of a specific series (to be filled in by the manufacturer)
23 Annex B (normative)Expected operation time and storage capacity
B.1 Battery lifetime dependent on usage
B.2 Minimum power supply voltage
24 Annex C (informative)Examples for temperature conditions
25 Annex D (informative)Life cycle sheet
26 Annex E (informative)Guidance to determine accordance with this document
27 Annex F (informative)Guidance to determine the expanded uncertainty

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BS EN 13485:2023
$142.49