MULTIPARAMETER WATER QUALITY METER Multiparameter Water Quality Meter WQC-30 DKK-TOA   Specifications Parameter pH, Conductivity, Turbidity, Temperature, Salinity, DO ( optional ) Measurement method pH Glass electrode method Temp. Thermistor resistor method Turbidity 90°C light scattering method Conductivity AC 4 electrode method Salinity Conversion from Conductivity DO ( optional ) Membrane type polarographic method Measurement range pH pH0.00 ～ pH14.00 Temp. 0.0 ～ 50.0°C Turbidity *¹ 0.0 ～ 80.0 NTU（ mg/L ） 0 ～ 800 NTU（ mg/L ） Range switch：Automatic/Manual Conductivity 0.0 mS/m ～ 10.00 S/m Range switch：Automatic/Manual Salinity 0.00～4.00ï¼… ( NaCl ) ／ 0.00～40.00 ( PSS ) DO ( optional ) 0.00～20.00 mg/L ／ 0～200 ï¼… Display range pH pH -2.00 ～ pH16.00 Temp. -5.0 ～ 110.0°C Turbidity 0.0 ～ 88.0 NTU ( mg/L ） 0 ～ 880 NTU ( mg/L ） Conductivity 0.0 ～ 202.0 mS/m 0.000 ～ 2.020 S/m 0.00 ～ 20.20 S/m Salinity 0.00～4.04ï¼… ( NaCl ) ／ 0.00～40.40 ( PSS ) DO ( optional ) 0.00 ～ 22.00 mg/L ／ 0 ～ 220 ï¼… Repeatability *² pH Within ±0.05 pH Temp. Within ±0.5°C Turbidity Within ±1ï¼… ( FS ),Within ±0.8NTU ( 0.0～80.0NTU ),Within 8NTU ( 0～800NTU ） Conductivity Within ± 1% ( FS ) each range Salinity Within ± 0.04% ( NaCl ) ／ Within ± 0.42 ( PSS ) DO ( optional ) Within ±0.1 mg/L ／ ±2 ï¼… Sensor depth Within 30 ｍ ( 0.3 MPa equivalent ） External output RS-232C ( Non-insulated )：PC or external printer EPS-P30 ( optional ) Water proof ( Main unit ) IP67（ Effective when connected to sensor and when output/input part is masked ） ＊1 m、30 min immersion possible Guaranteed temperature 0～45°C（ 0～40°C when using optional AC adapter or external printer ） Power source AA battery/Nickel hydrogen battery ( 2 ) or AC adapter ( 7VA optional ) Dimensions Main unit Approx.68 W × 35 H ×173 D mm Sensor module Approx. φ 55 × 476 mm Weight Main unit Aprox.290ｇ（ Including batteries ） Sensor module ( Cable length 2 m ) : Approx.1400ｇ