MX20L-UserGuide-手冊英文版

HOBOHOBO MX20L Water Level Logger User GuideData LoggersThe HOBO MX20L Water Level Logger monitors changing water levels in a wide range ofsettings,including streams,lakes,wetlands,tidal areas,and groundwater.Using HOBOconnecton a mobile or Windows device,you can easily configure this logger to record absolute pressureand temperature data in addition to water level.This logger features a ceramic pressure sensor,durable housing,and a protective end cap for deploying in existing wells or stilling wellsWithout cumbersome vent tubes or desiccants to ma intain,this easy-to-use logger is an idealsolution for water level studies and research.SpecificationsPressure (Absolute)and Water Level Measurements MX20L-01HOBO MX20L WaterOperating Range0to 207 kPa (0 to 30 psia);approximately 0 to 9 m (0 to 30 ft)ofLevel Loggerwater depth at sea level,or 0 to 12 m(0 to 40 ft)of water at3,000 m (10,000 ft)of altitudeModels:Factory Calibrated Range69to207kPa(10to30psa,0to40℃(32°to104F).MX20L-01(30-foot depth)Burst Pressure310 kPa (45 psia)or 18 m(60 ft)depth·w20L-02(100-footWater Level Accuracy*Typical error:0.1%FS,1.0 cm (0.03 ft)waterdepth)】Maximum error:0.2%FS,2.0 cm (0.06 ft)water.MX20L-04 (13-foot depth)Raw Pressure Accuracy**0.3%FS,0.62 kPa (0.09 psi)maximum errorIncluded Items:Resolution<0.02 kPa (0.003 psi),0.21cm(0.007 ft)waterMagnetic activation fobPressure Response Time (90%)***<1 second at a stable temperature;measurement accuracyalso depends on temperature response timeRequired Items:.HOBOconnect appPressure(Absolute)and Water Level Measurements MX20L-02.Mobile device withOperating Range0 to 400 kPa (0 to 58 psia);approximately 0 to 30.6 m(0 to 100Bluetooth and ioS,orft)of water depth at sea level,or0 to 33.6 m(0 to 111 ft)ofAndroidM,or a Windowswater at 3,000 m (10,000 ft)of altitudecomputer with BluetoothFactory Calibrated Range69to400kPa(10to58psia),0°to40℃(32°to104F)Accessories:Burst Pressure500 kPa (72.5 psia)or 40.8 m (134 ft)depth.Cable (CABLE-1-300 orWater Level Accuracy*Typical error:0.1%FS,3.0 cm(0.1 ft)waterCABLE-1-50)and CableMaximum error:0.2%FS,6.0 cm (0.2 ft)waterCrimp(CABLE-1-CRIMP).Well Cap (WELL-CAP-01)Raw Pressure Accuracy**0.3%FS,1.20 kPa (0.17 psi)maximum errorResolution<0.04 kPa (0.006 psi),0.41 cm(0.013 ft)waterPressure Response Time (90%)***<1 second at a stable temperature;measurement accuracyalso depends on temperature response timePressure(Absolute)and Water Level Measurements MX20L-04Operation Range0 to 145 kPa (0 to 21 psia);approximately 0to 4 m (0 to 13 ft)ofwater depth at sea level,or 0 to 7 m (0 to 23 ft)of water at 3,000m(10,000 ft)of altitudeFactory Calibrated Range69to145kPa(10to21psia),0°to40℃(32°to104F)Burst Pressure310 kPa(45 psia)or 18 m(60 ft)depthWater Level Accuracy*Typical error:0.1%FS,0.4 cm (0.013 ft)waterMaximum error:0.2%FS,0.8 cm (0.026 ft)waterRaw Pressure Accuracy**0.3%FS,0.43 kPa (0.063 psi)maximum errorResolution<0.014 kPa (0.002 psi),0.14 cm(0.005 ft)waterPressure Response Time (90%)***<1 second at a