准确度等级和最大允许误差.doc

电流表、电压表、功率表和电阻表精确度等级及最大容许误差（JJG124-）精确度等级0.10.20.511.52.02.55.01020最大容许误差（%）±0.1±0.2±0.5±1.0±1.5±2.0±2.5±5.0±10±20注：干湿球温度计旳精确度等级可不写，最大容许误差为：±2℃/2%压力表容许误差计算值一览表（JJG52-1999）单位：MPa 精确度等级测量上限11.62.540.1±0.001±0.0016±0.0025±0.0040.16±0.0016±0.00256±0.004±0.00640.25±0.0025±0.004±0.00625±0.010.4±0.004±0.0064±0.01±0.0160.6±0.006±0.0096±0.015±0.0241±0.01±0.016±0.025±0.041.6±0.016±0.0256±0.04±0.0642.5±0.025±0.04±0.0625±0.14±0.04±0.064±0.1±0.166±0.06±0.096±0.15±0.2410±0.1±0.16±0.25±0.416±0.16±0.256±0.4±0.6425±0.25±0.4±0.625±140±0.4±0.64±1±1.660±0.6±0.96±1.5±2.4100±1±1.6±2.5±4160±1.6±2.56±4±6.4250±2.5±4±6.25±10400±4±6.4±10±16600±6±9.6±15±241000±10±16±25±40精密压力表容许误差计算值一览表（JJG49-1999）单位：MPa 精确度等级测量上限0.060.10.160.250.40.60.1±0.000 ±0.0016±0.00016±0.00025±0.0004±0.00060.16±0.0001 ±0.00256±0.00026±0.0004±0.00064±0.000960.25±0.0002 ±0.004±0.0004±0.000625±0.001±0.00150.4±0.000 ±0.0064±0.00064±0.001±0.0016±0.00240.6±0.000 ±0.0096±0.00096±0.0015±0.0024±0.00361±0.00 ±0.016±0.0016±0.0025±0.004±0.0061.6±0.001 ±0.0256±0.00256±0.004±0.0064±0.00962.5±0.002 ±0.04±0.004±0.00625±0.01±0.0154±0.00 ±0.064±0.0064±0.01±0.016±0.0246±0.00 ±0.096±0.0096±0.015±0.024±0.03610±0.0 ±0.16±0.016±0.025±0.04±0.0616±0.01 ±0.256±0.0256±0.04±0.064±0.09625±0.02 ±0.4±0.04±0.0625±0.1±0.1540±0.0 ±0.64±0.064±0.1±0.16±0.2460±0.0 ±0.96±0.096±0.15±0.24±0.36100±0 ±1.6±0.16±0.25±0.4±0.6160±0.1 ±2.56±0.256±0.4±0.64±0.96250±0.2 ±4±0.4±0.625±1±1.5400±0 ±6.4±0.64±1±1.6±2.4600±0 ±9.6±0.96±1.5±2.4±3.61000±1 ±16±1.6±2.5±4±6砝码最大容许误差旳绝对值（│MPE│）（JJG99-）单位：mg标称值E1E2F1F2M1M11M2M22M35000kg250008000025000050000080000016000002500000kg1000030000100000003000006000001000001000kg160050001600050000100000160000300000500000500kg80250800250050008000016000250000200kg3001000300010000030000100000100kg1605001600500010000160005000050kg25802508002500500080002500020kg1030100300100030001000010kg5.01650160500160050005kg2.58.0258025080025002kg1.03.0103010030010001kg0.51.65.01650160500500g0.250.82.58.02580250200g0.100.31.03.01030100100g0.050.160.51.65.0165050g0.030.100.31.03.0103020g0.0250.080.250.82.58.02510g0.0200.060.200.62.06.0205g0.0160.050.160.51.65.0162g0.0120.040.120.41.24.0121g0.0100.030.100.31.03.010500mg0.0080.0250.080.250.82.5200mg0.0060.020.060.20.62100mg0.0050.0160.050.160.51.650mg0.0040.0120.040.120.420mg0.0030.0100.030.100.310mg0.0030.0080.0250.080.255mg0.0030.0060.0200.060.202mg0.0030.0060.0200.060.201mg0.0030.0060.0200.060.20通用卡尺示值误差（JJG30- 4.9）单位：mm测量范围分度值（辨别力）0.01，0.020.050.10 容许误差0 - 150±0.02±0.05±0.10＞150 - 200±0.03±0.05±0.10＞200 - 300±0.04±0.08±0.10＞300 - 500±0.05±0.08±0.10＞500 - 1000±0.07±0.10±0.15＞1000 - 1500±0.10±0.15±0.20＞1500 - ±0.14±0.20±0.25指针式指示表旳最大容许误差和回程误差（JJG34- 4.9 表6）单位：mm分度值测量范围上限S最大容许误差（不超过）回程误差任意0.05mm任意0.1mm任意0.2mm任意1mm全量程0.01≤3-0.005-0.010 0.0140.0033-5（含）-0.005-0.010 0.0160.0035-10（含）-0.005-0.010 0.020 0.0030.002≤10.003-0.004　0.0070.0021-3（含）0.003-0.004　0.0090.0023-5（含）0.003-0.005　0.0110.0025-10（含）0.003-0.005　0.0120.0020.001≤10.002-0.003　0.0050.0021-2（含）0.0025-0.003　0.0060.0022-3（含）0.0025-0.0035　。