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 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) 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 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 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 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 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 Manual/Auto-read Measurement Endpoint

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

QIUSUO Portable Plant Nutrient Analyzer Chlorophyll Content Meter with Chlorophyll 0.0-99.99SPAD Nitrogen Content 0.0-99.99mg/g Leaf Temperature -10-99.9℃ Leaf Humidity 0.0-99.9RH%

QIUSUO Portable Plant Nutrition Analyzer Chlorophyll Meter with Chlorophyll Measuring Range 0.0-99.99SPAD Nitrogen Content Measuring Range 0.0-99.99mg/g Leaf Temperature Measuring Range -10-99.9℃

QIUSUO Portable Potassium Ion Meter Potassium Ion Concentration Tester with Standard Calibration Liquids Range -1999.9 to 1999.9 mV Accuracy ±1% F.S. Calibration Solutions 0.001 0.01 0.1 1 10 100 1000 10000

QIUSUO Portable Silver Ion Meter Ag Ion Meter with Standard Calibration Fluid Accuracy ±1% F.S. Range 0.01 to 107900 ppm Range -1999.9 to 1999.9 mV Calibration Solutions 0.001/0.01/0.1/1/10/100/1000/10000

QIUSUO Portable Single Axis Fluxgate Magnetometer Handheld Uniaxial Fluxgate Magnetometer with Accuracy 1% 5-Digits Display Single-axis Fluxgate Sensor Single-axis Fluxgate Sensor Measuring Range 0~2000μT

QIUSUO Portable Sonic Belt Tension Tester Belt Tensiometer for Most Belt Types with Tension Range 0.01-99900N Frequency Range 10Hz-5000Hz 500 Groups Storage Data Automatic Sensitivity Calibration

QIUSUO Portable Sonic Tension Meter Belt Tension Meter Gauge with LCD Screen Display with Backlit 500 Groups Storage Data Automatic Sensitivity Calibration for Multi-vinged Belt Power Transmission Belt Etc