GB/T 33907-2017 English PDF

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GB/T 33907-2017: Electrolytic solid moisture meter
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33907-2017	199	Add to Cart	3 days	Electrolytic solid moisture meter	Valid

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Basic data

Standard ID: GB/T 33907-2017 (GB/T33907-2017)
Description (Translated English): Electrolytic solid moisture meter
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N10
Classification of International Standard: 17.200.20
Word Count Estimation: 10,117
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 33907-2017: Electrolytic solid moisture meter

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Electrolytic solid moisture meter ICS 17.200.20 N10 National Standards of People's Republic of China Electrolysis Solid Moisture Meter 2017-07-12 released 2018-02-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Industrial Process Measurement Control and Automation Standardization Technical Committee (SAC/TC124). The drafting of this standard unit. Chengdu Instrument Factory, China Institute of Metrology, China Institute of Testing Technology Institute of Chemistry. The main drafters of this standard. Lin Yu fruit, Yao Jinyou, Yu Yonghui, Yi Hong, Zhang Yi, Zhang Wen. Electrolysis Solid Moisture Meter

1 Scope

This standard specifies the requirements of electrolytic solid moisture measuring instrument (hereinafter referred to as instrument), test methods, inspection rules, signs, packaging, transport Lose and store. This standard is applicable to instruments that measure the moisture content of solid samples by electrolysis. Note. This solid sample at room temperature or heating conditions can release the water, not included in the measurement conditions can release the destruction of phosphorus pentoxide coating and electrolysis A pool of cells, or a polymer that participates in the components of the electrolysis reaction.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 191-2008 packaging and storage icon GB/T 2829-2002 Periodic inspection count Sampling procedures and tables (for inspection of process stability) GB 4793.1-2007 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 1. General requirements Environmental testing methods for analytical instruments GB/T 11606-2007 General technical requirements for packaging of electromechanical products GB/T 13384-2008

3 request

3.1 normal working conditions The instrument should function properly under the following conditions. a) Ambient temperature. 5 ° C to 35 ° C; b) relative humidity. ≤ 80%; c) Power supply. (220 ± 22) V, (50 ± 1) Hz; d) away from mechanical vibration and shock; e) Non-corrosive gases in ambient air. 3.2 appearance The appearance of the instrument should meet the following requirements. a) the surface of the instrument shell coating uniform color, no obvious damage, blistering, exposed at the end, corrosion and other phenomena; b) the instrument on the switch, buttons, fasteners, etc. should be installed firmly, accurate positioning, flexible adjustment; c) All nameplates and logos shall be durable and clear, and shall comply with the requirements of the relevant regulations and standards. 3.3 Safety requirements 3.3.1 Contact current Under normal operating conditions, the contact current of the instrument should not be greater than 0.5mA. ......

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