Low Concentration Measurement General-Purpose Type LC-450A
Posted by adminrexindoto at March 16th, 2017
The high-performance LC-450A zirconia oxygen analyzer was developed based on Toray Engineering’s long track record of excellence and experience, and enables measurement ranging from low concentrations to 100% oxygen concentration with a single device.
This analyzer is equipped with our unique, ultra-compact zirconia sensor to enable stable and highly accurate measurement over the long term, and the oxygen sensor has been specially treated to achieve unprecedented durability. This is an easy to operate, compact oxygen analyzer which is ideal for integration into semiconductor/LCD equipment and other types of equipment.
Features
- ♦ Measurement over a wide range of concentrations
- Can display concentrations ranging from the ppm level to 100%.
- ♦ Improved sensor durability
- The oxygen sensor has been specially treated for improved durability.
- ♦ AC “wide” power supply
- AC100-240V (DC power supply specifications are also available)
- ♦ Compact and easy to set up
- Since the unit is shorter in the depth direction than our previous model, it takes up less space.
- ♦ RoHS compliant
- ♦ CE marking declaration of conformity
- EN61010-1:2002，EN61326:+A3:2003
Principle of Measurement
Toray zirconia oxygen analyzers determine oxygen concentration using the ion conductivity of a zirconia ceramic cell. Zirconia ceramic cells only allow oxygen ions to pass through at high temperatures. With reference gas on one side and sample gas on the other, oxygen ions move from the side with the highest concentration of oxygen to that with the lowest concentration. The movement of ions generates an EMF (Electro Motive Force) which can be measured to determine the oxygen content. This is in accordance with the Nernst equation.
Specifications
Equipment Specifications
| Type | Portable or panel-mounted |
|---|---|
| Display system | 4-digit digital display (O2 concentration) |
| Measurement range | Display: Auto range or 4 ranges Recorder: 0-10 / 100 / 1000 ppm / 100 % The following ranges can be used in any combination. 1 / 10 / 100 / 1000 / 10000 ppm 1 / 10 / 100 %, 10-20-10-0atm *Values less than 1 ppm are reference values (not guaranteed) |
| Sampling system | Continuous suction using built-in pump |
| Supply gas rate | Approx. 1.5 L/min |
| Sensor gas rate | 60 ±10m L/min |
| Gas connection | INLET (Sample gas inlet): Rc1/4 BYPASS OUT (Bypass outlet): Rc1/4 OUTLET (Sample gas outlet): Rc1/4 |
| Reference gas | Air |
| Dimensions | 210(W) × 134(H) × 300(D) mm |
| Weight | Approx. 6 kg |
| Paint color | Matte black |
Characteristics
| Repeatability | Within ±1 % of full scale (at or above 0-10 ppm range) (Not guaranteed for the 0-1 ppm display range or below) |
|---|---|
| Air point stability | Within ±1 % of full scale/24 hours |
| Gas response | Within 30 sec (90 % response) |
Engineering Specifications
| Recorder output | External output: 4-20 mA or 0-20 mA (DC 0-10 V is optional) |
|---|---|
| Communication output | RS-232C standard (unidirectional) |
| Contact output | Equipment error (No-voltage contact) Concentration error (No-voltage contact) Warmup signal (No-voltage contact) [Contact capacity: DC/AC30V, 0.5A max.] |
| Range marker output | 2-point output (Voltage contact) [Contact capacity: DC/AC 30 V, 0.3 A max.] |
| Self-diagnosis functions | Sensor temperature error, Calibration error, Internal temperature error CPU error, Furnace temperature error, Warmup error Asymmetry potential error, Sensor resistance error AIR point calibration error SPAN point calibration error |
| Sample gas conditions | Must not contain flammable components, halogen, silica, corrosive components or water droplets. Pressure: Pressurized at 29 kPa max. Flow rate: 1,000-2,000 mL/min Temperature: 50 °C max. Humidity: Dew point lower than ambient temperature |
| Power supply | Voltage: AC 100-240 V, (35 VA, when steady supply) |
| Set up conditions | Set up location: Indoors, Non-explosion-proof zone Ambient temperature: 0-40 °C Ambient humidity: 45-85 %RH, No condensation |
| Equipment options | Activated carbon filter, Sintered metal filter |
Category: Uncategorized
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