VTSYIQI O3 Gas Detector Ozone Gas Tester with Measuring Range 0-50ppm Resolution 0.01ppm Infrared Remote Control Electrochemical Principle Sound & Light Alarm 4-20mA and RS485 Output for O3 Gas Test

VTSYIQI O3 Gas Detector Portable Ozone Detector with Measuring Range 0-20ppm Resolution 0.01ppm L-Alarm 5ppm H-Alarm 10ppm Accuracy ≦±5% F.S. Gas Pump Sampling Method for Industrial Site Safety Monitoring

VTSYIQI O3 Gas Detector Portable Ozone Detector with Measuring Range 0-50ppm Resolution 0.01ppm Data Logging Function Built-in Micro Sampling Pump Principle Electrochemical LCD Liquid Crystal Display Accuracy ≤±3% F.S.

VTSYIQI One Channel Water Activity Meter Benchtop AW Tester with 2000 Sets Circularly Record One WSC-4 Point Sensor Accuracy ±0.015aw Range 0 to 1.000aw 5000 Groups Data Storage Print

VTSYIQI One Channel Water Activity Meter Smart Water Activity Meter with 1 High Precision WSC-4 Sensor Measurement Points 1 Measuring Range Temperature -10℃～50℃ Water Activity 0～1.000aw Repeatability ≤0.008aw

VTSYIQI One Point Water Activity Meter Analyzers with One WSC-4 Measurement Point Accuracy ±0.015aw Range 0 to 1.000aw 2000 Sets Circularly Record Single-Point Calibration Variety Ways Calibration

VTSYIQI One Point Water Activity Meter Benchtop Water Activity Meter with Measuring Range Temperature -10℃～50℃ Water Activity 0～1.000aw 1 High Precision WSC-4 Sensor Repeatability ≤0.008aw Printer Function

VTSYIQI One-Channel Thermocouple Thermometer Single K Thermometer with K Type Thermocouple Range -200~1372°C (-328~2501.6°F) LCD Display for Food Processing,refrigerated Storage,and Other Occasions

VTSYIQI Online Dissolved Oxygen Analyzer Online DO Controller with Dissolved Oxygen Range 0.00 to 20.00 mg/L Output 4 to 20 mA DO Electrolyte Solution Industrial Electrode Oxygen % Saturation Range 0.0 to 200.0%

VTSYIQI Online Dissolved Oxygen Controller Dissolved Oxygen Meter for Monitoring Dissolved Oxygen Concentration and % Saturation in Water with DO Electrolyte Solution DO Range 0.00 to 20.00 mg/L 4 to 20 mA Output

VTSYIQI Online Dissolved Oxygen Controller DO Meter with Dissolved Oxygen Range 0.00 to 20.00 mg/L 4 to 20 mA Output DO Electrolyte Solution Auto Temperature Compensation 1 or 2 Points Calibration

VTSYIQI Online Dissolved Oxygen Meter Monitor Controller DO Tester with Dissolved Oxygen Range 0.00 to 20.00 mg/L 4 to 20 mA Output DO Electrolyte Solution for Monitoring Dissolved Oxygen Concentration and % Saturation in Water