(a) Where oxygen is supplied by a constant-flow device only, the rate 的简体中文翻译

(a) Where oxygen is supplied by a c

(a) Where oxygen is supplied by a constant-flow device only, the rate of flow shall be at least 3 liters per minute for the entire rated service time of the apparatus. (b) Where constant flow is used in conjunction with demand flow, the constant flow shall be greater than 1.5 liters per minute for the entire rated service time. (c) All demand-flow devices shall provide at least 30 liters of oxygen per minute when in the fully open position.§84.95 Service time test; open-circuit apparatus. (a) Service time will be measured with a breathing machine as described in § 84.88. (b) The open-circuit apparatus will be classified according to the length of time it supplies air or oxygen to the breathing machine. (c) The service time obtained on this test will be used to classify the opencircuit apparatus in accordance with §84.53.§84.96 Service time test; closed-circuit apparatus. (a) The closed-circuit apparatus will be classified according to the length of time it supplies adequate breathing gas to the wearer during man test No. 4 described in Table 4 of this subpart. (b) The service time obtained on man test No. 4 will be used to classify the closed-circuit apparatus in accordance with § 84.53.§84.97 Test for carbon dioxide in inspired gas; open- and closed-circuit apparatus; maximum allowable limits. (a) Open-circuit apparatus: (1) The concentration of carbon dioxide in inspired gas in open-circuit apparatus will be measured at the mouth while the apparatus mounted on a dummy head is operated by a breathing machine. An acceptable method for measuring the concentration of carbon dioxide is described in Bureau of Mines Report of Investigations 6865, A Machine-Test Method for Measuring Carbon Dioxide in the Inspired Air of SelfContained Breathing Apparatus, 1966.VerDate 0297 10:06 Dec 23, 1997 Jkt 174160 PO 00000 Frm 00539 Fmt 8010 Sfmt 8010 C:CFR174160.TXT pfrm1254642 CFR Ch. I (10–1–97 Edition)§ 84.98Copies of Report of Investigations 6865 may be inspected or obtained from the NIOSH, Certification and Quality Assurance Branch, 1095 Willowdale Road, Morgantown, WV. 26505–2888. (2) The breathing rate will be 14.5 respirations per minute with a minutevolume of 10.5 liters. (3) A sedentary breathing machine cam will be used. (4) The apparatus will be tested at a temperature of 27 ± 2° C. (80 ± 5° F.). (5) A concentration of 5 percent carbon dioxide in air will be exhaled into the facepiece. (b) Closed-circuit apparatus. The concentration of carbon dioxide in inspired gas in closed-circuit apparatus will be measured at the mouth while the parts of the apparatus contributing to deadair space are mounted on a dummy head and operated by the breathing machine as in paragraphs (a) (1) through (5) of this section. (c) During the testing required by paragraphs (a) and (b) of this section, the concentration of carbon dioxide in inspired gas at the mouth will be continuously recorded, and the maximum average concentration during the inhalation portion of the breathing cycle shall not exceed the following limits:Where the service time isMaximum allowable average concentration of carbon dioxide in inspired air percent by volumeNot more than 30 minutes ............. 2.5 1 hour ............................................ 2.0 2 hours ........................................... 1.5 3 hours ........................................... 1.0 4 hours ........................................... 1.0(d) In addition to the test requirements for closed-circuit apparatus set forth in paragraph (b) of this section, gas samples will be taken during the course of the man tests described in Tables 1, 2, 3, and 4 of this subpart. These gas samples will be taken from the closed-circuit apparatus at a point downstream of the carbon dioxide sorbent, and they shall not contain more than 0.5 percent carbon dioxide at any time, except on apparatus for escape only, using a mouthpiece only, the sample shall not contain more than 1.5 percent carbon dioxide at any time.§84.98 Tests during low temperature operation.(a) The applicant shall specify the minimum temperature for safe operation and two persons will perform the tests described in paragraphs (c) and (d) of this section, wearing the apparatus according to applicant’s directions. At the specified temperature, the apparatus shall meet all the requirements described in paragraph (e) of this section. (b) The apparatus will be precooled at the specified minimum temperature for 4 hours. (c) The apparatus will be worn in the low temperature chamber for 30 minutes, or for the service time of the apparatus, whichever is less. (d) During the test period, alternate 1-minute periods of exercise and rest will be required with the exercise periods consisting of stepping onto and off a box 21.5 cm. (81⁄2 inches) high at a rate of 30 cycles per minute. (e)(1) The apparatus shall function satisfactorily at the specified minimum temperature on duplicate tests.
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结果 (简体中文) 1: [复制]
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(a)如果氧气由恒流装置供给只,流速应为每分钟至少为3升该装置的整个额定服务时间。当恒定流量与需求流量一起使用(b)中,恒定流量应为每分钟大于1.5升的整个额定服务时间。(c)所有需求流装置应在完全打开位置时提供至少30升每分钟的氧气。<br>§84.95服务时间测试; 开路装置。(一)服务的时间将与呼吸机如§84.88中描述的测定。(b)在开路装置将根据时间将其提供空气或氧气到呼吸机的长度进行分类。(c)关于本试验获得的服务时间将被用于所述opencircuit装置按照§84.53分类。<br>§84.96服务时间测试; 闭路装置。(a)本闭路装置将根据时间它在本部分的表4中所述的人试验编号4期间提供足够的呼吸气体到穿用者的长度进行分类。(b)关于人试验编号4中获得的服务时间将被用于根据闭路装置与§84.53分类。<br>§84.97试验吸入气体中的二氧化碳; 开路和闭路装置; 最大允许限值。(一)开路装置:(1)二氧化碳吸入气体在开路装置中的浓度将在嘴而该装置安装在仿制盖体是由呼吸机操作进行测定。在调查的6865报告矿业局描述用于测量二氧化碳的浓度在可接受的方法,机器试验方法自足的吸入的空气测量二氧化碳呼吸器,1966年<br>版本日期0297 10:06 1997年12月23日JKT 174160 PO 00000 FRM 00539 FMT 8010 SFMT 8010 C:CFR174160.TXT pfrm12 <br>546 <br>42 CFR章。我(97年10月1日版)§84.98<br>6865调查报告的副本,可以检查或从NIOSH,认证和质量保证科,1095威洛道,摩根,西弗吉尼亚州获得。26505-2888。(2)所述的呼吸速率将每分钟14.5次呼吸10.5升minutevolume。(3)一种久坐呼吸机的凸轮将被使用。(4)的装置,将在27±2℃(80±5°F)的温度下进行测试。(5)一种在空气中5%的二氧化碳的浓度会被呼出到面罩。(b)中闭路装置。二氧化碳的吸入气体中的闭路装置中的浓度将在嘴被测量,同时促进deadair空间装置的部分段被安装在仿真头和操作由呼吸机为(a)(1)本节中的至(5)。<br>其中的服务时间是<br>二氧化碳的在吸入空气体积%的最大允许平均浓度<br>不超过30分钟............. 2.51小时........... ................................. 2.02小时.............. ............................. 1.53小时.................. ......................... 1.04小时...................... ..................... 1.0<br>(d)除了在本节的段(b)用于闭路设备所阐述的测试要求,气体样品将在表1,2,3中描述的人的测试过程中应采取,并在此4分部。这些气体样品将从闭路装置以二氧化碳吸附剂的下游的点被截取,并且它们不应在任何时候包含超过0.5%的二氧化碳,除了在设备中仅逃逸,止,使用吹嘴样品不应在任何时候包含超过1.5%的二氧化碳。<br>低温操作期间§84.98试验。<br>(a)申请人应说明安全操作的最低温度和两个人将执行在段(c)中描述的该节的测试和(d)中,根据申请人的指示佩戴装置。在特定温度下,该装置应符合本节中(e)段描述的所有要求。(b)中的装置,将在规定的最低温度4小时进行预冷却。(c)中的设备,将在低温室佩戴30分钟,或为所述装置的服务时间,较小者。(d)在试验期间,运动和休息的交替1分钟的周期将与由步进到和关闭的箱21.5厘米的运动时间是必需的。(81/2英寸)高,以每分钟30次循环的速率。
正在翻译中..
结果 (简体中文) 2:[复制]
复制成功!
(a) Where oxygen is supplied by a constant-flow device only, the rate of flow shall be at least 3 liters per minute for the entire rated service time of the apparatus. (b) Where constant flow is used in conjunction with demand flow, the constant flow shall be greater than 1.5 liters per minute for the entire rated service time. (c) All demand-flow devices shall provide at least 30 liters of oxygen per minute when in the fully open position.<br>§84.95 Service time test; open-circuit apparatus. (a) Service time will be measured with a breathing machine as described in § 84.88. (b) The open-circuit apparatus will be classified according to the length of time it supplies air or oxygen to the breathing machine. (c) The service time obtained on this test will be used to classify the opencircuit apparatus in accordance with §84.53.<br>§84.96 Service time test; closed-circuit apparatus. (a) The closed-circuit apparatus will be classified according to the length of time it supplies adequate breathing gas to the wearer during man test No. 4 described in Table 4 of this subpart. (b) The service time obtained on man test No. 4 will be used to classify the closed-circuit apparatus in accordance with § 84.53.<br>§84.97 Test for carbon dioxide in inspired gas; open- and closed-circuit apparatus; maximum allowable limits. (a) Open-circuit apparatus: (1) The concentration of carbon dioxide in inspired gas in open-circuit apparatus will be measured at the mouth while the apparatus mounted on a dummy head is operated by a breathing machine. An acceptable method for measuring the concentration of carbon dioxide is described in Bureau of Mines Report of Investigations 6865, A Machine-Test Method for Measuring Carbon Dioxide in the Inspired Air of SelfContained Breathing Apparatus, 1966.<br>VerDate 0297 10:06 Dec 23, 1997 Jkt 174160 PO 00000 Frm 00539 Fmt 8010 Sfmt 8010 C:CFR174160.TXT pfrm12<br>546<br>42 CFR Ch. I (10–1–97 Edition)§ 84.98<br>Copies of Report of Investigations 6865 may be inspected or obtained from the NIOSH, Certification and Quality Assurance Branch, 1095 Willowdale Road, Morgantown, WV. 26505–2888. (2) The breathing rate will be 14.5 respirations per minute with a minutevolume of 10.5 liters. (3) A sedentary breathing machine cam will be used. (4) The apparatus will be tested at a temperature of 27 ± 2° C. (80 ± 5° F.). (5) A concentration of 5 percent carbon dioxide in air will be exhaled into the facepiece. (b) Closed-circuit apparatus. The concentration of carbon dioxide in inspired gas in closed-circuit apparatus will be measured at the mouth while the parts of the apparatus contributing to deadair space are mounted on a dummy head and operated by the breathing machine as in paragraphs (a) (1) through (5) of this section. (c) During the testing required by paragraphs (a) and (b) of this section, the concentration of carbon dioxide in inspired gas at the mouth will be continuously recorded, and the maximum average concentration during the inhalation portion of the breathing cycle shall not exceed the following limits:<br>Where the service time is<br>Maximum allowable average concentration of carbon dioxide in inspired air percent by volume<br>Not more than 30 minutes ............. 2.5 1 hour ............................................ 2.0 2 hours ........................................... 1.5 3 hours ........................................... 1.0 4 hours ........................................... 1.0<br>(d) In addition to the test requirements for closed-circuit apparatus set forth in paragraph (b) of this section, gas samples will be taken during the course of the man tests described in Tables 1, 2, 3, and 4 of this subpart. These gas samples will be taken from the closed-circuit apparatus at a point downstream of the carbon dioxide sorbent, and they shall not contain more than 0.5 percent carbon dioxide at any time, except on apparatus for escape only, using a mouthpiece only, the sample shall not contain more than 1.5 percent carbon dioxide at any time.<br>§84.98 Tests during low temperature operation.<br>(a) The applicant shall specify the minimum temperature for safe operation and two persons will perform the tests described in paragraphs (c) and (d) of this section, wearing the apparatus according to applicant’s directions. At the specified temperature, the apparatus shall meet all the requirements described in paragraph (e) of this section. (b) The apparatus will be precooled at the specified minimum temperature for 4 hours. (c) The apparatus will be worn in the low temperature chamber for 30 minutes, or for the service time of the apparatus, whichever is less. (d) During the test period, alternate 1-minute periods of exercise and rest will be required with the exercise periods consisting of stepping onto and off a box 21.5 cm. (81⁄2 inches) high at a rate of 30 cycles per minute. (e)(1) The apparatus shall function satisfactorily at the specified minimum temperature on duplicate tests.
正在翻译中..
结果 (简体中文) 3:[复制]
复制成功!
(a) 如果氧气仅由恒流装置提供,则在设备的整个额定使用时间内,流速应至少为3升/分钟。(b) 当恒定流量与需求流量结合使用时,在整个额定使用时间内,恒定流量应大于1.5升/分钟。(c) 当处于完全打开位置时,所有需求流量装置应每分钟提供至少30升氧气。<br>§84.95使用时间试验;开路装置。(a) 使用呼吸器测量使用时间,如第84.88节所述。(b) 断路器将根据其向呼吸机提供空气或氧气的时间长度进行分类。(c) 本试验获得的使用时间将用于根据第84.53条对开路设备进行分类。<br>§84.96使用时间试验;闭路装置。(a) 闭路设备将根据其在本子部分表4所述的4号人工试验期间向佩戴者提供足够呼吸气体的时间长度进行分类。(b) 根据第84.53条,在第4次人工测试中获得的使用时间将用于对闭路设备进行分类。<br>§84.97吸入气体中二氧化碳的试验;开路和闭路装置;最大允许限值。(a) 开路装置:(1)当安装在假人头部的装置由呼吸器操作时,开路装置中吸入气体中的二氧化碳浓度将在口中测量。测量二氧化碳浓度的可接受方法在矿山局调查报告6865中进行了描述,该报告是一种测量自给式呼吸器吸入空气中二氧化碳的机器试验方法,1966年。<br>VerDate 0297 10:06 1997年12月23日Jkt 174160 PO 00000 Frm 00539 Fmt 8010 Sfmt 8010 C:CFR174160.TXT pfrm12<br>546个<br>42美国联邦法规第一章(10-1-97版)§84.98<br>调查报告6865的副本可以从NIOSH认证和质量保证分公司(地址:1095 Willowdale Road,Morgantown,WV)进行检查或获取。26505至2888。(2) 呼吸频率为每分钟14.5次,每分钟10.5升。(3) 将使用久坐式呼吸机凸轮。(4) 仪器将在27±2°C.(80±5°F.)的温度下进行测试。(5) 空气中5%的二氧化碳浓度将被排放到面部。(b) 闭路设备。封闭式装置中吸入气体中的二氧化碳浓度将在口中进行测量,同时装置中有助于空气流通的部分安装在假人头部上,并按照本节第(a)(1)至(5)段的要求由呼吸器操作。(c) 在本节第(a)款和第(b)款要求的试验过程中,应连续记录吸入气体中的二氧化碳浓度,且在呼吸循环的吸入部分,最大平均浓度不得超过以下限值:<br>服务时间在哪里<br>吸入空气中二氧化碳的最大允许平均浓度(体积百分比)<br>不超过30分钟。。。。。。。。。。。。。2.5 1小时。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。2.0 2小时。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。1.5 3小时。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。1.0 4小时。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。。1.0条<br>(d) 除了本节第(b)段中规定的闭路设备试验要求外,还应在本子部分表1、2、3和4中所述的人工试验过程中采集气体样品。这些气体样品将从二氧化碳吸收剂下游的一个点的闭路装置上采集,并且它们在任何时候都不得含有超过0.5%的二氧化碳,除非在仅用于逸出的装置上,仅使用吹口,样品在任何时候都不得含有超过1.5%的二氧化碳。<br>§84.98低温操作期间的试验。<br>(a) 申请人应规定安全操作的最低温度,两人将按照申请人的指示佩戴仪器,进行本节(c)和(d)段所述的试验。在规定温度下,仪器应满足本节第(e)段中所述的所有要求。(b) 设备将在规定的最低温度下预冷4小时。(c) 仪器将在低温室内磨损30分钟,或在仪器使用时间内(以较短者为准)。(d) 在测试期间,需要交替进行1分钟的锻炼和休息,锻炼时间包括上下一个21.5厘米的盒子。(81/2英寸)高,每分钟30次循环。(e) (1)在重复试验中,仪器应在规定的最低温度下正常工作。
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