SD/LD-450 Oxygen Analyzer

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The LD-450 is a high performance oxygen analyzer designed for monitoring oxygen content from the ppb to the % Volume Oxygen levels. This unique slim-line oxygen converter is provided with a precision zirconia oxygen sensor that can be flange mounted into a vacuum chamber or vacuum line. The oxygen sensor is connected to the LD-450 converter by a standard 2-meter cable. Cable lengths up to 10 meters can be purchased if needed. Available ISO vacuum flange sizes are: NW16, 25, 40 or R3/8 screw. SD 450, LD 450

TypeSeparation Type (Converter : Wall mounting type, Sensor :
Direct insert type)
Display systemLED Digital 3 Digits + Unit (%)
Auto Range(Concentration Display)
:LED Digital 4 Digits (Display
Operation/Setting Content)
0.001ppm – 100vol%O2
10-20-10-0atm
Measurement range0-1 / 10 / 100 / 1000 ppm / 1 / 10 / 100 vol%O2
10-20-10-0atm
RepeatabilityWithin ±0.5 % of full scale (0-1 / 10 / 100 % range)
Within ±1 % of full scale (0-1 / 10 / 100 / 1000 ppm range)
(0-1 ppm range and atm range are not guaranteed)
Sensor connectionISO Vacuum Flange NW16,25,40
or R3/8 screw
Reference GasAtmospheric Gas
Sample gas conditionsNo Combustible/Corroded Component,
No Halogen, No Silica, No Waterdrop
Pressure: Atmosphere – 1 x 10-3Pa
Flow : 500 – 2000ml/min
Humidity: Dew point below ambient temperature
Dimensions185W×155H×40D mm (excluding protrusion)
WeightConverter Approx. 1.2kg
Sensor Approx. 0.5kg
Power supplyVoltage : DC24V±10%