VTSYIQI NH4 Ion Meter Portable Ammonium Ion Meter with Resolution 0.001 0.01 0.1 1 Automatic Calibration Fluid Range 0.1 to 18000 ppm Accuracy±0.5% F.S. USB Communication Interface 2 to 5 Points Calibration for Testing Ammonium Ion

VTSYIQI Nitrate Ion Meter Laboratory Ion Meter with Calibration Fluid Range 0.4 to 62000 ppm Accuracy ±0.5% and 2 to 5 Point Selectable 8 Concentration Calibration Points Ranging from 0.001 to 10000

VTSYIQI Nitrate Ion Meter Laboratory Ion Meter with Range ±1999.9 mV Accuracy±0.5% 2 to 5 Points Calibration Fluid Range 0.4 to 62000 ppm Backlit LCD Display Automatic Electrode Diagnosis for Testing NO3 Ion

VTSYIQI Nitrate Ion Meter Laboratory Ion Meter with Range ±1999.9 mV Calibration Fluid Accuracy±0.5% 2 to 5 Points Calibration Calibration Fluid Range 0.4 to 62000 ppm Automatic Electrode Diagnosis for Testing NO3 Ion

VTSYIQI Nitric Oxide Detector Handheld NO Gas Detector with Measuring Range 0-250ppm Resolution 0.01 Accuracy ≤±3% F.S. Built-in Micro Sampling Pump Sound and Light Alarm Data Logging Function USB Interface Principle Electrochemical

VTSYIQI Nitric Oxide Detector Nitric Oxide Gas Leak Detector with Measuring Range 0-100ppm Resolution 0.1ppm Standard 4-20mA and RS485 Sound & Light Alarm Detection Principle Electrochemical Principles

VTSYIQI Nitric Oxide Gas Detector Fixed NO Gas Monitor with Aluminum Shell Material Measuring Range from 0 to 250ppm Resolution 1ppm Wall-mounted Installation Method for Continuous Monitoring of Measurable Gases in Industrial Environments

VTSYIQI Nitric Oxide Gas Detector Fixed NO Gas Monitor with Measuring Range 0-20ppm Resolution 0.01ppm Sound & Light Alarm Infrared Remote Control Die-cast Aluminium Shell Electrochemical Principle for NO Gas Test

VTSYIQI Nitric Oxide Gas Detector NO Gas Detector NO Gas Leak Alarm Monitor with Measuring Range 0-250ppm Resolution 1ppm for Hotel Biogas Gas Detection

VTSYIQI Nitric Oxide Gas Detector NO Gas Detector with Resolution 1ppm Measuring Range 0-250ppm Output Current 4-20mA Free Contact Output Max Power 1kW for Detecting Gas in Refinery Chemical Plant LPG Station Boiler Room Painting Plant

VTSYIQI Nitric Oxide Gas Detector NO Gas Leak Detector with Display Screen Resolution 1ppm Measuring Range 0-250ppm Aluminum Shell Material for Continuous Monitoring of Measurable Gases in Industrial Environments

VTSYIQI Nitric Oxide Gas Detector NO Gas Monitor with Measuring Range 0-20ppm Resolution 0.01ppm Standard 4-20mA and RS485 Sound & Light Alarm Response Time ≤60S