項(xiàng) 目 Item單位Unit型 號(hào) ModelJ1.6C公稱流量Nominal flow-rate（Qn）m3/h1.6最大流量Maximum flow-rate(Qmax)m3/h2.5最小流量Minimum flow-rate(Qmin)m3/h0.016工作壓力范圍Working pressure rangekPa0.5-30工作環(huán)境溫度Working environment temperature℃-20-50總壓力損失平均值A(chǔ)verage value of total pressure lossPa 160耐久性能 enduranceh2000基本誤差限Maximum permissible errorQmin Q 0.1Qmax% 30.1Qmax Q Qmax% 1.5(可達(dá) 1.0)最大累計(jì)讀數(shù)Max cumulative reading figuresm39999重量 Weightkg1.8表接頭螺紋Meter fittings joint threading M30 2表接頭中心距Meter fittings central distancemm130