QIUSUO NH3 Ion Meter Handheld NH3 Ion Meter with Calibration Fluid Range 0.01 to 17000 ppm Resolution 0.001 0.01 0.1 1 Automatic 2 to 5 Points Calibration USB Communication Interface Stores Up to 500 Data Sets

QIUSUO NH3 Ion Meters Ammonia Ion Meter with Range ±1999.9 mV Accuracy ±1% F.S. Calibration Fluid Range 0.01 to 17000 ppm Backlit LCD Display 2 to 5 Point Calibration 500 Sets of Data Storage for Testing Ammonia Ion

QIUSUO NH4 Ion Meter Ammonium Ion Concentration Meter with Standard Calibration Fluid Range 0.1 to 18000 ppm Resolution 0.001 0.01 0.1 1 Automatic Range -1999.9 to 1999.9 mV Accuracy ±0.2 mV USB Communication Interface

QIUSUO Nitrate Ion Concentration Tester Handheld NO3 Ion Meter with 2 to 5 Points Calibration Range From 0.4 to 62000 ppm Backlit LCD Display Setup Menu Allows Setting the Number of Calibration Points Calibration Fluid for Testing NO3 Ion

QIUSUO Nitrate Ion Meter Nitrate Ion Concentration Tester with Calibration Solution Accuracy±0.5% Range 0.4 to 62000 ppm F.S. 2 to 5 Points Calibration  Calibration Resolution 0.001 0.01 0.1 1 Automatic Temperature Compensation Function

QIUSUO Nitrate Ion Meter NO3 Ion Meters with Calibration Fluid Range From 0.4 to 62000 ppm 2 to 5 Points Calibration Manual/Auto-Read Measurement Endpoint Stores Up to 500 Data Sets Accuracy ±0.5% F.S. for Testing Nitrate Ion

QIUSUO NO3 Ion Meter Benchtop Nitrate Ion Meter with Range ±1999.9 mV Accuracy±0.5% 2 to 5 Points Range 0.4 to 62000 ppm Backlit LCD Display Automatic Electrode Diagnosis USB Communication Interface for Testing NO3 Ion

QIUSUO NO3 Ion Meter Laboratory Nitrate Ion Meter with Calibration Fluid Accuracy±0.5% F.S. Range 0.4 to 62000 ppm Range -1999.9 to 1999.9 mV Measurement Units ppm mg/L mol/L mmol/L USB Communication Interface Backlit LCD display for Testing Nitrate Ion

QIUSUO Noise Level Meter Digital Type 2 Sound Meter with Frequency Range 20Hz~12.5kHz Statistical Analysis Function Meas. Range 30 dB(A)~130dB(A) 32kHz A/D Bits Statistical Analysis Function Integrating Function for Assessmet of the Risk of Hearing Damage

QIUSUO Non-contact Electromagnetic Ultrasonic Thickness Gauge Pen-type Electromagnetic Ultrasonic Thickness Meter Detector with 4Mhz Φ42mm*32mm Normal Temperature Probe Sampling Rate 80Msps Bandwidth 2.5Mhz～6Mhz Accuracy ±0.01

QIUSUO Non-Destructive Rebar Location Equipment Digital Rebar Locator with Protective Layer Thickness Calibration Range 0 ~ ±50 mm Rebar Diameter 6-50mm LCD Screen Lithium Battery for Measuring Concrete Protective Layer Thickness

QIUSUO O3 Gas Detector Fixed Ozone Gas Detector with LCD display Measurement Range from 0 to 20ppm Resolution 0.1ppm L-alarm 5ppm H-alarm 10ppm for Detection of Gas Concentration in Air

QIUSUO Ozone Gas Detector O3 Gas Monitor with Measurement Range from 0 to 20ppm Resolution 0.1ppm Installation Method Wall-Mounted for Petroleum Industry LPG Station Gas Test

QIUSUO Ozone Gas Leak Detector Fixed O3 Concentration Tester with Measurement Range from 0 to 20ppm Resolution 0.1ppm L-alarm 5ppm H-alarm 10ppm Single Input 4-20mA and RS485 for Gas Test of Metallurgical Industry

QIUSUO Paper Moisture Analyzer Digital Paper Moisture Content Meter with Measuring Range 0.00-2.00%(d) 0.0-98.0%(s) Resolution 0.1/0.01 Accuracy ±0.5 for Cardboard Paper Raw Paper Paper Rolls Paper Tubes Hard Type Paper