QIUSUO Portable NH4 Ion Meter Ammonium Ion Meters Ammonium Ion Concentration Meter with Standard Calibration Fluid Range 0.1 to 18000 ppm Accuracy ±1% F.S. USB Communication Interface for Testing NH3 Ion

QIUSUO Portable Nitrate Ion Meter NO3 Ion Meter with Calibration Fluid Range 0.4 to 62000 ppm Resolution 0.001 0.01 0.1 1 Automatic Range -1999.9 to 1999.9 mV USB Communication Interface Stores Up to 500 Data Sets

QIUSUO Portable NO3 Ion Meter Lab NO3 Ion Meter with Calibration Fluid Accuracy ±0.5% F.S. Range 0.4 to 62000 ppm Setup Menu Allows Setting the Number of Calibration Points Manual/Auto-Read Measurement Endpoint for Testing Nitrate Ion

QIUSUO Portable Paper Moisture Content Meter Paper Moisture Analyzers with Accuracy ± 0.5(Main Moisture Range) Resolution 0.1 or 0.01 Measuring Range 0.00-2.00%(d) 0.0-98.0%(s) Digits LCD with Backlight for Corrugated Paper,Cartons,Paper Rolls,Etc

QIUSUO Portable Paper Moisture Meter Handheld Paper Moisture Analyzer with Digital Display with Back Light Measuring Range 0.00-2.00%(d) 0.0-98.0%(s) Accuracy ± 0.5(Main Moisture Range) Resolution 0.1 or 0.01 for Measure Different Kinds of Papers

QIUSUO Portable Paper Moisture Meter Handheld Paper Moisture Tester with Measuring Range 0.00-2.00%(d) 0.0-98.0%(s) Accuracy: ± 0.5(Main Moisture Range) Digits LCD with Backlight For Measure Different Kinds of Papers

QIUSUO Portable pH and Temperature Meter Analyzer with Calibration Liquids Range -2.00 to 20.00 pH Calibration 1 to 3 points Accuracy ±0.01 pH Range -1999 to 1999 mV Accuracy ±1 mV USB Communication Interface Automatic Temperature Compensation

QIUSUO Portable pH Meter Analyzer Tester with Standard Calibration Solution pH Range -2.00 to 20.00 pH Resolution 0.01 pH Accuracy ±0.01 pH mV Range -1999 to 1999 mV 1 to 3 Points Calibration Automatic Temperature Compensation

QIUSUO Portable pH Meter Digital Water pH Analyzer with Calibration Liquids pH Range -2.00 to 20.00 pH mV Range -1999 to 1999 mV Resolution 0.1 (0 to 999.9mV), 1 (1000 to 1999mV) USB Communication Interface Memory Stores up to 100 data set

QIUSUO Portable pH Meter Digital Water pH Analyzer with Standard Calibration Solution Range -1999.9 to 1999.9 mV Stores Up to 500 Data Sets Accuracy ±0.2 mV Setup Menu Contains 9 Options Manual/Auto-read Measurement Endpoint

QIUSUO Portable pH Meter Handheld Water pH Analyzer Portable pH Gauge Tester with Standard Calibration Solution Range -2.00 to 20.00 pH Accuracy ±0.01 pH Calibration 1 to 3 points Manual / Auto-read Measurement Endpoint USB Communication Interface

QIUSUO Portable pH Meter Portable pH Gauge Tester with Standard Calibration Solution Range -2.000 to 20.000 pH Resolution 0.001/0.01/0.1 pH Selectable Accuracy ±0.002 pH Range -1999.9 to 1999.9 mV USB Communication Interface

QIUSUO Portable pH Meter Temperature Meter with Calibration Liquids Range -2.000 to 20.000 pH Range -1999.9 to 1999.9 mV Resolution 0.1/1 mV Selectable Accuracy ±0.2 mV Auto-read Function USB Communication Interface USB Communication Interface

QIUSUO Portable pH Meters Handheld pH Meter with Standard Calibration Solution Resolution 0.01 pH Calibration 1 to 3 points Range -1999 to 1999 mV USB Communication Interface Expanded Memory Stores or Recalls up to 100 Data Sets

QIUSUO Portable pH Meters Portable pH and Temperature Meter with Calibration Liquids Range -2.000 to 20.000 pH Accuracy ±0.2 mV Stores Up to 500 Data Sets Setup Menu Contains 9 Options Manual/Auto-read Measurement Endpoint