Handheld Ozone Tester LHOT-A10

Handheld ozone tester LHOT-A10 is a microprocessor based unit suitable for ozone concentration detection in various industrial and special environments. It employs an electrochemical sensor and a built-in suction pump. It is integrated with a temperature and humidity detection function. Easy controls and customizable parameter settings offer functional flexibility to the end user.

Measurement range 0 ppm ∼ 5 ppm
Resolution 0.001 ppm ( 0 ppm ∼ 5 ppm )
Temperature range ˗ 40 °C ∼ 120 °C
Humidity range 0 % ∼ 100 % RH
Detection accuracy ≤ ± 3 %
Response time ≤ 60 s (T80)
Release time ≤ 60 s
Linearity error ≤ ± 1 %
Zero drift ≤ ± 1 % ( F.S/Year )
Operating temperature ˗ 30 °C ∼ 60 °C
Operating humidity ≤ 95 % , non-condensing
Working pressure ˗ 30 kPa ∼ 200 kPa
Display resolution 320 x 240
Power supply 4000 mA Lithium-ion battery
Dimensions 165 x 80 x 30 mm
Net weight 0.5 kgs
  • 2.6 inch IPS color screen for digital display of detected ozone concentration
  • Real time detection mode
  • Provision to switch between ppm and mg/m3
  • Over-voltage protection, overcharge protection, resistance to static and electromagnetic interference
  • Excess count limit alarm
  • Built-in suction pump: can work in micro-negative-pressure environment
  • Large memory storage ( 16000 samples )
  • On-screen historical data viewing
  • Easy data download and export via USB
  • Built-in rechargeable battery with ultra-long standby time

Used in chemical industry, health and safety monitoring, ozone process control, personal exposure monitoring, source and leak detection; used to measure ozone concentrations in operation limited places pipelines, tunnels, etc.

Ozone measurement range 0 ppm ∼ 5 ppm, 0 ppm ∼ 100 ppm, 0 ppm ∼ 300 ppm, 0 ppm ∼ 600 ppm ( Optional )
Flow rate 1.5 L/min
Accuracy 0.01 ppm or 3 % of reading
Resolution 0.001 ppm
Temperature Measurement Range -10℃ to 60℃
Temperature Resolution 0.1°C
Temperature Accuracy ± 1.5℃
Relative Humidity Range 20% to 80% RH
Capacity 50 kg
Accuracy 1 g
Speed 1 s
Value stable time 2 s
Measuring range ± 500 Pa
Repeatability ± 0.2 % FS
Resolution 0.1 Pa
Sampling rate 0.5 s
Measuring range 0 ∼ 125 Pa
Accuracy 0 ± 0.2 Pa (liner error)<hr> ± 1 %
Operating temperature range 0 °C ∼ 50 °C
Operational humidity ˂ 85 RH
Ozone measurement range 0 ppm ∼ 100 ppm/ 0 ppm ∼ 1000 ppm
Flow rate 1 L/min
Accuracy 0.01 ppm
Measuring time 10 seconds
Sampling Method Diffusion
Working conditions
Temperature -20 to 50°C
Pressure 0.9 to 1.1 (standard atmospheric pressure)
Humidity 10 to 95 % RH (no dew condensation)
Explosion proof grade Exia II CT3
Protection grade IP65
Sampling With internal sampling pump, flow rate is up to 1 L/min, ten grades of pumping suction for selection
Gas Ethylene C2H4
Measure Range 0 to 1000 ppm
Resolution 1ppm
Sampling method Diffusion
Sensor type CO2: solid electrolyte sensor, O2:electrochemical sensor
Detection range CO2:0.04 to 5.00 % and O2:0.0 to 30.0 %
Detection accuracy CO2:± 30 % rdg (rdg = reading) and O2:± 3 % F.S. (F.S. = full scale)