QIUSUO Chlorine Leak Detector CL2 Detector with Range 0 to 20ppm Resolution 0.1ppm L-Alarm 5ppm H-Alarm 10ppm Low Battery Indication Accuracy≦ 5% F.S. for Detecting Gas Leakage for Detection of Gas Concentration in Air

QIUSUO Cl Ion Meter Chlorine Concentration Tester with Standard Calibration Fluid Range 1 to 35000 ppm Range -1999.9 to 1999.9 mV 2 to 5 Points Calibration USB Communication Interface

QIUSUO CL2 Detector Chlorine Detectors with Range 0 to 20ppm Resolution 0.1ppm L-Alarm 5ppm H-Alarm 10ppm  Advanced MCU Control with Low Power Consumption for Detecting the Concentration of Flammable Gases or Other Toxic and Harmful Gases in the Air

QIUSUO CL2 Detector Fixed Chlorine Leak Detector with Measuring Range 0 to 20ppm Resolution 0.1ppm Explosion-Proof Water-Proof Single Input 4-20mA and RS485 for Gas Detection in the Metallurgical Petroleum Chemical Municipal and Other Industries

QIUSUO CL2 Gas Detector Chlorine Detectors Chlorine Gas Leak Detector with Measuring Range 0 to 20ppm Resolution 0.1ppm L-Alarm 5ppm H-Alarm 10ppm Visual Audible Alarm for CL2 Gas Leakage Detection

QIUSUO CL2 Gas Detector Chlorine Gas Detector with Measuring Range 0-50ppm Resolution 0.1ppm L-Alarm 5ppm H-Alarm 10ppm Gas Pump Sampling Method Accuracy≦±5% F.S. for Metallurgy Refining Ects

QIUSUO CL2 Gas Detector Fixed Chlorine Gas Detector with Measuring Range 0 to 20ppm L-Alarm 5ppm H-Alarm 10ppm Resolution 0.1ppm Die-cast Aluminum Shell for Detecting the Concentration of Flammable Gases or Other Toxic and Harmful Gases in the Air

QIUSUO CL2 Gas Detector Fixed CL2 Detector Chlorine with Sound&Light Alarm Measuring Range 0 to 20ppm Resolution 0.1ppm Wall-Mounted 4-20mA and RS485 Input for Gas Detection in the Metallurgical Petroleum Chemical Municipal and Other Industries

QIUSUO Class 1 Sound Level Meter Industrial Sound Level Meter with Range 25dB(A)~140dB(A) 10 Hz~20 kHz Outputs AC DC RS 232 USB Integrating Time 1s~24h 8000 Groups Data Storage for Traffic Noise Measurment

QIUSUO Class 2 Integrating Sound Level Meter Noise Level Tester with Range 10 Hz-20 kHz 25dB(A)-140dB(A) 8000 Groups Data Storage USB RS232 Interface for Traffic Noise Measurement

QIUSUO Class 2 Sound Level Meter Integrating Sound Level Meter with Range 20Hz~12.5kHz 30 dB(A)~130dB(A) 128×64 OLED Display Integrating Function 8000 Groups Data Storage Self-generated Noise <25dba> for Assessmet of the Risk of Hearing Damage

QIUSUO CN Ion Meter Portable Cyanide Concentration Tester with Range 0.03 to 260 ppm Accuracy±1% F.S. and 2 to 5 Point Calibration Backlight Display

QIUSUO Color Difference Analyzer Digital Spectrocolorimeter with Single Aperture Φ8mm Displayed Accuracy 0.01 Measured Reflectance Range 0-200% Measuring Time About 1s Observer Angle 2°/10°

QIUSUO Color Spectrophotometer Spectrophotometer Analysis with Accuracy 0.04 Aperture Φ11mm USB Touch Screen Ultra-high Repeatability Auto Calibration for Print Packaging Paint Coatings

QIUSUO Colorimeter Color Difference Tester Color Spectrophotometer with Measure Aperture Φ11mm Φ6mm Measurement Repeatability Δ E * ab ≤ 0.03 Display Accuracy 0.01 for Food and Textile Color Test