เครื่องวัดกรดด่าง พีเอช มิเตอร์ Waterproof ExStik II pH/Conductivity/TDS/Salt Meter EC500
เครื่องวัดกรดด่าง วัดความนำไฟฟ้า วัดอุณหภูมิ TDS ในเครื่องเดียวกัน
Waterproof ExStik® II pH/Conductivity Meter
Combination rugged flat surface pH electrode with autoranging high accuracy Conductivity cell
Measures 5 parameters including Conductivity, TDS, Salinity, pH, and Temperature using one electrode
9 units of measure: pH, µS/cm, mS/cm, ppm, ppt, mg/L, g/L, °C, °F
Analog bargraph indicates trends
Memory stores up to 25 labeled readings
Adjustable Conductivity to TDS ratio from 0.4 to 1.0; 0.5 fixed Salinity ratio
RENEW feature alerts user when electrode needs replacement
Specifications Range Max Resolution Basic Accuracy
Conductivity 0 to 199uS/cm, 200 to 1999uS/cm, 2.00 to 19.99mS/cm 0.1uS/cm +/-2%FS
TDS/Salinity 0 to 99.9ppm (mg/L), 100-999ppm (mg/L) 0.1ppm (mg/L) +/-2%FS
1.00 to 9.99ppt
pH 0.00 to 14.00pH 0.01pH +/-0.01pH
Temperature 23 to 194F (-5 to 90C) 0.1F/C +/-1.8F/1C
Waterproof IP57
Memory 25 datasets
Dimensions 1.4 x 7.3 x 1.6 (36 x 186 x 41mm) "
Weight
3.8oz (110g)