热电偶感温元件,WRET-001, 量程规格 类别 | 代号 | 分度号 | 测温范围℃ | 精度等级 | 允许偏差△t | 镍铬-镍硅 | WRNT | K | 0-800 | I | ±1.5℃或±0.004∣t∣ | II | ±2.5℃或±0.0075∣t∣ | 镍铬-铜镍 | WRET | E | 0-600 | I | ±1.5℃或±0.004∣t∣ | II | ±2.5℃或±0.0075∣t∣ | 铜-铜镍 | WRCT | T | -40-350 | I | ±0.5℃或±0.004∣t∣ | II | ±1℃或±0.75%t | 铂电阻 | WZPT | Pt100 | -200-500 | * | ±(0.15+0.002∣t∣) | B级 | ±(0.30+0.005∣t∣) | 铜电阻 | WZCT | Cu50 | -50-100 | II | ±(0.30+6.0X10-3t) | 注:“t”为感温元件实测温度,对于铂电阻和铜电阻则为感温元件实测温度的值。 公称压力 一般是指在常温下,保护管所能承受的静态外压而不破裂,试验压力一般采用公称压力的1.5倍。实际上,允许工作压力不仅与保护管材料、直径、壁厚有关,而且还与其结构形式、安装方法、置入深度以及被测介质的流速、种类有关。 热电偶绝缘电阻: 常温绝缘电阻的试验电压为直流500V。测量常温绝缘电阻的大气条件为:温度15~35℃,相对湿度45%,大气压力86~106Kpa。 对于长度超过1米的热电偶,它的常温绝缘电阻值与其长度的乘积不小于100兆欧·米, 即:Rr·L≥100MΩm L>1m 式中:Rr-热电偶的常温绝缘电阻值,MΩ; L-热电偶的长度,m。 对于长度等于或不足1米的热电偶,它的常温绝缘电阻值应不小于100 MΩ。 热电阻绝缘电阻: 常温绝缘电阻的试验电压可取直流10~100V任意值,环境温度应在15~35℃范围内,相对湿度应不大于80%,常温绝缘电阻值应不小于100 MΩ。 高温耐磨热电偶WRN-420,WRN-420A,WRN2-420,WRE-420,WRE-420A,WRE2-420,WRN-430,WRN2-430,WRE-430, WRE2-430, WRN-420,WRN-420A.WRN2-420,WRE-420,WRE-420A,WRE2-420,WRN-430,WRN2-430,WRE-430,WRE2-430,WRN-520,WRN2-520,WRE-520,,WRE2-520,WRN-530,WRN2-530,WRE-530, WRE2-530, WRN-621,WRN-621A,WRN2-621,WRE-621,WRE-621A,WRE2-621,WRN-631,WRN2-631,WRE-631, WRE2-631. WRN-620,WRN-621,WRN-620A, WRN-621A,WRN2-620, WRN2-621,WRE-621,WRE-621A,WRE2-621,WRN-631,WRN2-631,WRE-631,WRE2-631,WRN-624,WRN-625,WRE-624,WRE-625,WRN-001,WRE-001,WRN-001,WRE-001,WRN-010,WRE-010,WRR-010,WRR2-010,WRP-010, WRP2-010, WRP-100,WSSX-412,WSSX-402电接点双金属温度计,WSSX-481,WSSX-411,WSSX-401,WSSX-480,WSSX-410,WSSX-400,WSSX-486B,WSSX-416B,WSSX-485B,WSSX-415B,WSSX-484B,WSSX-414B,WSSX-483B,WSSX-413B,WSSX-482B,WSSX-412B,WSSX-481B,WSSX-411B,WSSX-480B,WSSX-410B,WZPK-376U,WZPK-473U,WZPK-474U,WZPK-475U,WZPK-374U,WZPK-173U,WZPK-174U,WZPK-176U,WZPK-273U,WZPK-274U,WZPK-275U,WZPK-563U,WZPK-366U,WZPK-463U,WZPK-573U,WZPK-575U,WZPK-576U,WZP2-221B,WZP2-230B,WZP2-231B,WZC-130B,WZP-221B,WZP-230B,WZP2-130B,WZP2-420B,WZC-220B,WZC-230B,WZC-220AB,WZP-320B,WZP-331B,WZP2-320B,WZP2-324B,WZP2-330B,WZC-320B,WZP-420B,WZP-421B,WZPK2-565SA,WZPK-334U,WZPK-574S,WZP-44SAB,WZPK-573S,WZPK-24,WZPK2-24,WZP-24SAB,WZPK2-44,SBWR-2260,WZPK-44WZP2-64SB,WZP2-24SAB,WZPK-275S,WZP-44SA,WZKP2-536SA,WZPK-2212U,WZP-1312U,WZPK-536S,WZP-1212U,WZPK2-576SA,WZPK2-575SA,WZP-6212U,WZP-4212U,WZP-3312U,WZP-4312U,WZPK-104S,WZPK-174S,WZPK-103S,WZPK2-44,WZPK2-24,WZPK-173S,WZPK-24,WZP-64S,WZPK-44,WZP2-421D,WZPN2-330,WZP-421B,WZP2-431C,WZPN2-430,WZP2-421C,WZP-431,WZP2-11SA,WRNR2-12,隔爆热电偶,SBWZ-44SI,SBWZ-2484,SBWZ-44SI,SBWR-4284,SBWR-440I,SBWR-2284,SBWR-440I,SBWR-4184,SBWR-440I,SBWR-2184/440I,SBWR-4281/240KI,SBWZ-4484 WRER-01,WRNK-841n*D,WZPN-631,WZPN-231,WZPN2-431,WRN-230,WZP-120B,WRN2-240A,WZPM-201B,WZCM-201,WRN-240A,WZC-220B,WZPK2-106SA,WREK-841n*D,WRNK-842n*D,WRNK-131,WRNK-231D炉管刀刃热电偶,WRNR-12、WRNR-13、WRNR-14、WRNR-15,WRNB-140、WRNB-140G,WZP-240、WZP-440、WZP-241,WRN-621,WZP-2420C,WZP2-44SA,WZPK2-265SA,WZPK-135S,WRE-001,WZP2-631,WRE-002,WRE-740,WRN-440A,WRE2-240A,WRE-240A,WRN-230-F,JB/T5583-91,WREK2-240,WRNK2-240,WRNK-240,WRN2-440A,WRN-440A,WRE2-640,WRE-640,WRN2-640,WRN-640A,SBWR-4181/240D,SBWR-2180/440i隔爆本安型带热电偶电阻,SBWR-4270/440D,WZP2-892室内用双支铂热电阻,WREK-440,WRE2-740,WRN2-740,WRN2-440A,WRNK-240,WREK2-240,WRNK-841n*i,WRNK-842n*i,WRE-240A,WREK-841n*I,WREK-842n*i,WRN2-240A,WREK2-440,WRN-640,WRN2-640,WRN-740,WRE-440A,WRNK-440,WRE-640,WRE2-640,WREK-842n*D,WZP-64SB,SBWR-4280/8413KD,XMTA-100, |