4520型是一種完全符合技術(shù)條件的實(shí)驗(yàn)室導(dǎo)電率/電阻率/TDS/鹽度/溫度測量儀，提供0-19.99S寬測量范圍內(nèi)的1,2或3點(diǎn)導(dǎo)電率校驗(yàn)的附加精度。由于綜合的GLP熱運(yùn)動(dòng)，保持了結(jié)果的完整性和可追蹤性。特別的 純水 模式保證這一提取過程達(dá)到最佳精度。強(qiáng)大的巡回檢測數(shù)據(jù)記錄能力可以存儲(chǔ)高達(dá)500個(gè)有關(guān)手動(dòng)，時(shí)控間隔或報(bào)警事件的讀數(shù)，也可以進(jìn)行電纜或IrDA到備選打印機(jī)的通信。規(guī)格 導(dǎo)電率范圍0to19.99 S,0to199.9 S,0to1999 S,0to19.99mS,0to199.9mS,0to1999mS,0to19.99S*分辨率0.01 S,0.1 S,1 S,0.01mS,0.1mS,1mS,0.01S*精度 0.5% 2digitsTDS范圍0to19.99mg/l,0to199.9mg/l,0to1999mg/l,0to19.99g/l,0to199.9g/l,0to1999g/l分辨率0.01mg/l,0.1mg/l,1mg/l,0.01g/l,0.1g/l,1g/l**onlywithcellconstant 5精度 0.5% 2digits電阻系數(shù)0to20Mohms分辨率0.1Mohms溫度范圍-10to+105 C/14to221 F分辨率0.1 C/1 F精度 0.5 C/ 1 FATC范圍0to100 C/32to212 FMTC0to100 C/32to212 F池常數(shù)0.010to19.999,default1.000溫度系數(shù)0.00%to4.00%,default1.91%參考溫度18,2025 C,default25 CEC比率0.50to0.80,default0.6自動(dòng)校準(zhǔn)識(shí)別10 S,84 S,1413 S,12.88mS輸出Analogue1mVperdigit/RS232serialandIrDAprinterinterface/Alarm時(shí)鐘24hours,hrs/min/secordayofmonth/month/year,leapyearcorrected(EuropeanandAmericanformats)GLPCalibrationreminderinterval(1to999hours)Alarmoutputs(opencollectorandaudible)Securitycodeprotecteduserdata顯示Backlit1/8VGAmonochromeLCD語言English,French,German,Italian,PortugueseandSpanish電源PowerSupply9vAC尺寸250(l)x210(w)x55(d)mm重量850g