Detail Low Conc. Measurement General-Purpose Type LC-450D Gas Analyzer
Low Conc. Measurement General-Purpose Type LC-450D Gas Analyzer
Measurement principle : Zirconia concentration cell type
Type : Desktop type/panel mounted type
Display system : 4-digit digital display (concentration display)
Measurement range :
0-1 / 10 / 100 / 1000ppm / 1 / 10 / 100vol%O2 10-20~10-0atm Automatic range
Repeatability :
Concentrations in the range ±1% of full scale and 0-1 ppm, atm are out of warranty.
Sampling method
Continuous suction with built-in pump
Sample gas requirements
Pressure
Pressurization of 30 KPa or less
Flow rate
1,000~2,000mL/min
Humidity
Dew point below ambient temperature
Temperature : 0 to 50°C
Others :
Must not contain corrosive gas (fluorine gas, chlorine gas, sulfuric gas, etc.), gas containing organic silicone, flammable substances (including gas), oil or moisture
Reference gas
Atmosphere
Recorder output
Oxygen concentration output : 0-10 V DC; insulated; load resistance of 600 kΩ or more
(Option: 4-20 mA DC; insulated; load resistance of 550 Ω or less)
Recorder output range taken as full scale and oxygen concentration given in linear output
Output range :
0-100%, 0-1000ppm, 0-100ppm, 0-10ppm Automatic/fixed range
Transmission output
RS-232C
Alarm output
FAIL (device error)
1 point
Non-voltage contact; contact capacity: 30 V DC/AC or less, 0.5 A or less
Contact point closes when device error occurs (contact point operation adjustable)
ALM (concentration alarm)
2 points (L/LL)
Non-voltage contact; contact capacity: 30 V DC/AC or less, 0.5 A or less
Contact point closes when alarm occurs (contact point operation adjustable)
RDY (warmup signal)
1 point
Non-voltage contact; contact capacity: 30 V DC/AC or less, 0.5 A or less
Contact point closes during warmup (contact point operation adjustable)Minimum open/close capacity of the non-voltage contact point is 12 V or 20 mA or higher; does not respond to extremely small loads
MRK (range marker) output
2 points
Non-voltage contact; contact capacity: 30 V DC/AC or less, 0.5 A or less
Warmup time
5 minutes or less
Dimensions
Body
240 mm (W) ×134 mm (H)×210 mm (D) (excluding projecting parts)
Weight
Approx. 5 kg
Gas connection
INLET
Rc1/8
BYPASS OUT
Rc1/8
OUTLET
Rc1/8
Power
24 V DC±10%, 1.25 A (30 V A under normal conditions)
Model: LC-860
Low Conc. Measurement General-Purpose Type LC-450D Gas Analyzer
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