For exposure system or UV conveyer system,UV-351 measuresa for both of intensity andlight amount.■Features＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿?　Compact, light weight and handy type?　Thin body structure?　Cordsless model?　High accuracy model?　Rigid metal structure?　Heat-resistant structure (Max 60℃)Specifications　UV-351Measuring wevelength range320 to 390nmPeak sensitivity wevelength360 nmMeasuring light amount range0.1 to 19999.0mJ/c㎡Displaying light amount range0.1 to 19999.0mJ/c㎡Measuring intensity range0.1 to 100.0mJ/c㎡Working temperature range0 to 60℃Power supplyLithium cell battery (300 hrs. cont. use)AccuracyWithin ±1.5% of ORC's standard deviceRepeatabilityWithin ±1.5%External dimensions79(W)×160(D)×11(H)mmWeight180gAccessoriesDimming filter (1/10)Models of optionsUV-351-25/UV-351-42