QIUSUO Lab Na Ion Meter Benchtop Sodium Ion Meter with Calibration Solution Range -1999.9 to 1999.9 mV Range 0.002 to 69000 ppm Calibration Solutions 0.001 0.01 0.1 1 10 100 1000 10000 Automatic Temperature Compensation Function

QIUSUO Lab NO3 Ion Meter Handheld NO3 Ion Concentration Tester with Calibration Fluid Range 0.4 to 62000 ppm Accuracy ±0.5% F.S. Range -1999.9 to 1999.9 mV 2 to 5 Points Calibration for Testing NO3 Ion

QIUSUO Lab Overhead Stirrers Electric Overhead Stirrer with Brush Motor Clamping Diameter Range of Drill Chuck 1 - 10 mm Max Amount of Stirring(H2O) 5L RPM 200-1500rpm Power 20W for Mixing Paints Dyes Reagents and Other Liquids

QIUSUO Lab pH Meter Digital Water pH Analyzer with Standard Calibration Solution Range -1999.9 to 1999.9 mV Stores Up to 500 Data Sets Setup Menu Contains 9 Options Manual/Auto-read Measurement Endpoint

QIUSUO Lab pH Meter Portable pH Meter with Standard Calibration Solution Range -2.00 to 20.00 pH Accuracy ±0.01 pH Calibration 1 to 3 points Memory Stores up to 100 data sets USB Communication Interface TP-10K Temperature Probe

QIUSUO Lab Sodium Ion Meter Portable Na Ion Meter with Calibration Fluid Range 0.002 to 69000 ppm Accuracy ±0.5% F.S. 2 to 5 Points Calibration USB Communication Interface Backlit LCD Display for Testing Sodium Ion

QIUSUO Lab Spectrophotometers Spectrocolorimeter with with Ultra-high Repeatability Accuracy 0.04 Aperture Φ11mm Storage 10000 Data USB Touch Screen Repeatability △E*abM 0.04 for Printing Paint Textiles

QIUSUO Lab Turbidity Meter Kit Turbidity Tester with 4 PCS Calibration Solution Vials Range 0~1100 NTU/FNU 0~275 EBC 0~9999 ASBC 2-5 Point Calibration 100 Groups Storage USB Interface

QIUSUO Laboratory Ammonia Ion Meter NH3 Ion Concentration Meter with Measurement Units ppm mg/L mol/L mmol/L Range ±1999.9 mV Calibration Fluid Range 0.01 to 17000 ppm Accuracy±1% F.S Automatic Temperature Compensation for Laboratory Applications

QIUSUO Laboratory Benchtop Turbidity Meters Multiparameter Turbidimeter Turbidity Meter Tester Nephelometer with Range 0 to 2000 NTU/FNU 0 to 500 EBC 0 to 9999 ASBC 4 PCS Calibration Solutions ISO 7027 Nephelometric Method Suspended Particle Analysis

QIUSUO Laboratory Chloride Ion Meter Chloride Ion Concentration Tester with Standard Calibration Liquids 2 to 5 Points Calibration Stores Up to 500 Data Sets LCD Display Range 1 to 35000 ppm Accuracy ±0.5% F.S.

QIUSUO Laboratory Colorimeters Color Difference Tester Meter with Measurement Repeatability ΔE*ab≤ 0.03 Measuring Structure D/8 SCI Aperture 6mm 11mm Over 30 Measurement Indicators Display Accuracy 0.01

QIUSUO Laboratory Colorimeters Color Meter Color Difference Meter with Measuring Aperture 3mm 6mm 11mm Wavelength Range 400-700nm Camera Function LED+UV Light Source Software Support Andriod iOS Windows Wechat App

QIUSUO Laboratory F Ion Meter Fluorine Ion Meters with Range 0.02 to 1900 ppm Accuracy ±0.5% F.S.2 to 5 Points Calibration Backlit LCD Display BNC 3.5 mm Jack Socket Connector Calibration Fluid for Testing Fluorine Ion

QIUSUO Laboratory K Ion Meter Potassium Ion Meter with Calibration Fluid Range 0.04 to 39000 ppm Accuracy±1% F.S.2 to 5 Points Calibration Expanded Memory Stores or Recalls Up to 500 Data Sets for Testing K Ion