What are the national standards for ozone detectors?

With the tightening of environmental protection policies and the enhancement of health awareness, the demand for ozone detectors in industrial safety, environmental monitoring and household scenarios has soared. To ensure the accuracy and compliance of equipment, the state has updated a number of national standards. The core standards of ? include ? :

I. ? Chinese National Standard (Mandatory/Recommended) ?

Youdaoplaceholder0 1.GB/T 18883-2025 Indoor air quality standard ?

Youdaoplaceholder0 Core content ? :

Ozone concentration limit: 1-hour average ≤0.16mg/m3 (approximately 0.08ppm).

Requirements for the testing instrument: accuracy ±5%, range 0-0.5ppm.

Youdaoplaceholder0 applicable scenarios ? : air quality monitoring in homes, offices and public places.

2?.GB 12358-2023 "Ozone Detection and Alarm Instrument for Workplaces" ?

Youdaoplaceholder0 Core content ? :

Ozone safety threshold for industrial scenarios: 8-hour average ≤0.1ppm, short-term exposure ≤0.3ppm.

Instrument requirements: Explosion-proof certification, sound and light alarm, error ≤±3%.

Youdaoplaceholder0 applicable scenarios ? : industrial environments such as chemical engineering, printing, water treatment, etc.

3?.GB/T 37820-2025 Technical specification for electrochemical Ozone detector ?

Youdaoplaceholder0 Core content ? :

The sensor life is no less than 2 years, and the calibration cycle is no more than 6 months.

Data storage ≥ 10,000 entries, supporting Bluetooth /WiFi transmission.

Ii. Youdaoplaceholder0 Environmental Protection and Industry Standards ?

Youdaoplaceholder0 1.HJ 590-2024 Technical Specification for Automatic Monitoring of Ozone in Ambient air ?

Youdaoplaceholder0 Core content ? :

The ultraviolet absorption method is used as the reference method, with a resolution of ≤0.001ppm.

It should have the function of temperature/humidity compensation.

Youdaoplaceholder0 2.JB/T 12955-2025 General Specification for Ozone Detectors for industrial use ?

Youdaoplaceholder0 Core content ? :

Dust and water resistance grade ≥IP65, response time ≤15 seconds.

Supports multi-gas module expansion (such as VOCs, CO?).

Iii. Youdaoplaceholder0 International standard reference ?

Youdaoplaceholder0 1. ISO 16000-38:2025 "indoor air - methods for ozone detection" ?

The ultraviolet light absorption method is required, with an error within ±2%.

Youdaoplaceholder0 2.EPA 40 CFR Part 50 (EPA) ? : Certification standard for ozone monitoring equipment.

Iv. Dynamics of New Standards Added in 2025 ?

Youdaoplaceholder0 Intelligent Internet of Things requirements ? : Add data encryption and remote calibration protocols (such as GB/T 2025-xxxx).

Youdaoplaceholder0 Green manufacturing standards ? : energy consumption and material recovery rate limits in the production process (e.g. HJ 1102-2025).

V. ? Selection and Compliance Advice ?

Youdaoplaceholder0 priority matching scenario ? :

For home use, choose ?GB/T 18883-2025? certified model.

Industrial selection ?GB 12358-2023? + ? explosion-proof certification ? (e.g. Ex ib IIB T4).

Youdaoplaceholder0 Verification mark ? : Check the "CMA" or "CNAS" test report number on the product nameplate.

Youdaoplaceholder0 Local requirements ? : In regions such as the Beijing-tianjin-hebei area and the Yangtze River delta, additional ? regional environmental protection standards ? (such as AQI linked alarm) may be added.

Appendix: A Guide to Avoiding Pitfalls

? beware of "conforming to old national standards" (such as GB/T 18883-2002 which has been abolished).

? international brands need to confirm the Chinese localization certification (such as CCC compulsory certification) additionally.

隨著環(huán)保政策趨嚴(yán)和健康意識提升，臭氧檢測儀在工業(yè)安全、環(huán)境監(jiān)測及家庭場景的應(yīng)用需求激增。為保障設(shè)備精準(zhǔn)性與合規(guī)性，國家已更新多項(xiàng)國家標(biāo)準(zhǔn)，?核心標(biāo)準(zhǔn)包括?：

一、?中國國家標(biāo)準(zhǔn)（強(qiáng)制性/推薦性）?

?1.GB/T 18883-2025《室內(nèi)空氣質(zhì)量標(biāo)準(zhǔn)》?

?核心內(nèi)容?：

臭氧濃度限值：1小時(shí)平均≤0.16mg/m3（約0.08ppm）。

檢測儀器要求：精度±5%，量程0-0.5ppm。

?適用場景?：家庭、辦公室、公共場所空氣質(zhì)量監(jiān)測。

2?.GB 12358-2023《作業(yè)場所臭氧檢測報(bào)警儀》?

?核心內(nèi)容?：

工業(yè)場景臭氧安全閾值：8小時(shí)平均≤0.1ppm，短時(shí)接觸≤0.3ppm。

儀器要求：防爆認(rèn)證、聲光報(bào)警、誤差≤±3%。

?適用場景?：化工、印刷、水處理等工業(yè)環(huán)境。

3?.GB/T 37820-2025《電化學(xué)式臭氧檢測儀技術(shù)規(guī)范》?

?核心內(nèi)容?：

傳感器壽命≥2年，校準(zhǔn)周期≤6個(gè)月。

數(shù)據(jù)存儲≥1萬條，支持藍(lán)牙/WiFi傳輸。

二、?環(huán)保與行業(yè)標(biāo)準(zhǔn)?

?1.HJ 590-2024《環(huán)境空氣臭氧自動監(jiān)測技術(shù)規(guī)范》?

?核心內(nèi)容?：

紫外吸收法為基準(zhǔn)方法，分辨率≤0.001ppm。

需具備溫度/濕度補(bǔ)償功能。

?2.JB/T 12955-2025《工業(yè)用臭氧檢測儀通用規(guī)范》?

?核心內(nèi)容?：

防塵防水等級≥IP65，響應(yīng)時(shí)間≤15秒。

支持多氣體模塊擴(kuò)展（如VOCs、CO?）。

三、?國際標(biāo)準(zhǔn)參考?

?1. ISO 16000-38:2025《室內(nèi)空氣-臭氧檢測方法》?

要求紫外光吸收法，誤差±2%以內(nèi)。

?2.EPA 40 CFR Part 50（美國環(huán)保署）?：臭氧監(jiān)測設(shè)備認(rèn)證標(biāo)準(zhǔn)。

四、?2025年新增標(biāo)準(zhǔn)動態(tài)?

?智能物聯(lián)要求?：新增數(shù)據(jù)加密、遠(yuǎn)程校準(zhǔn)協(xié)議（如GB/T 2025-xxxx）。

?綠色制造標(biāo)準(zhǔn)?：生產(chǎn)過程中能耗與材料回收率限制（如HJ 1102-2025）。

五、?選擇與合規(guī)建議?

?優(yōu)先匹配場景?：

家用選 ?GB/T 18883-2025? 認(rèn)證機(jī)型。

工業(yè)選 ?GB 12358-2023? + ?防爆認(rèn)證?（如Ex ib IIB T4）。

?驗(yàn)證標(biāo)志?：檢查產(chǎn)品銘牌的“CMA”或“CNAS”檢測報(bào)告編號。

?地方要求?：京津冀、長三角等地可能附加 ?區(qū)域環(huán)保標(biāo)準(zhǔn)?（如AQI聯(lián)動報(bào)警）。

附：避坑指南

? 警惕“符合舊國標(biāo)”（如GB/T 18883-2002已廢止）。

? 國際品牌需額外確認(rèn)中國本地化認(rèn)證（如CCC強(qiáng)制認(rèn)證）。