VTSYIQI Portable NO2 Gas Detector Nitrogen Dioxide Gas Monitor with Range from 0 to 20ppm Excellent-quality Sensor L-alarm 5ppm H-alarm 10ppm Resolution 0.1ppm Self-adjustment Function LCD Display Screen Advanced MCU Control with Low Power Consumption

VTSYIQI Portable O2 Gas Detector Oxygen Analyzer with Range 0-30%vol Resolution 0.1%vol L-alarm 19.5%vol H-alarm 23.5%vol 1200pcs Data Records Accuracy ≦±5% F.S. Built-in Pump Display Screen for Detecting Gas in Many Industries

VTSYIQI Portable O3 Detector Ozone Gas Detector with 32-bit Built-in MCU High Reliability and Self-adaptation Ability Measuring Range 0-20ppm Resolution 0.01ppm L-Alarm 5ppm H-Alarm 10ppm for Petroleum Chemical Environmental Metallurgy

VTSYIQI Portable O3 Gas Detector Handheld Ozone Gas Detector with Accuracy ≤±3% F.S.Measuring Range 0-10ppm Resolution 0.01ppm Response Time ≤30s Sound and Light Alarm Built-in Micro Sampling Pump Built-in Water Vapor Dust Filter

VTSYIQI Portable O3 Gas Detector Ozone Gas Detector with Measuring Range 0-100ppm Accuracy ≤±3% F.S.Resolution 0.01ppm Principle Electrochemical Sound and Light Alarm Data Logging Function for O3 Gas Test

VTSYIQI Portable ORP Meter Handheld ORP Meter with Conductivity Standard Solutions ORP Resolution 0.1/1 mV Selectable Accuracy ±0.2 mV Range -1999.9 to 1999.9 mV USB Communication Interface Backlit LCD Display Measurement Modes Relative / Absolute mV

VTSYIQI Portable ORP Meter Lab ORP Meter with Standard Calibration Solutions Auto-read Function USB Communication Interface Expanded Memory Stores ORP Range -1999.9 to 1999.9 mV Resolution 0.1/1 mV Selectable Accuracy ±0.2 mV 1 Point Calibration

VTSYIQI Portable Oxygen Gas Detector Fixed O2 Gas Monitor with Wall-mounted Installation Method Resolution 0.1%vol Range from 0 to 30%vol Output Current 4-20mA L-alarm 19.5%vol H-alarm 23.5%vol for Gas Field Spray Paint Gas Detection

VTSYIQI Portable Oxygen Gas Detector O2 Gas Leak Alarm with Resolution 0.1%vol Range 0-30%vol L-alarm 19.5%vol H-alarm 23.5%vol Pump Sampling Method 32-bit Built-in MCU High-sensitivity Sensor for Testing Combustible Gas

VTSYIQI Portable Ozone Gas Detector O3 Gas Monitor with Measuring Range 0-100ppm Resolution 0.1ppm  Sound & Light Alarm Standard 4-20mA and RS485 Output Wall-Mounted Installation

VTSYIQI 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

VTSYIQI 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