| EMGA-920 | Oxygen/Nitrogen analyzer |
| Principle | - Oxygen:Non Dispersive Infrared detector - Nitrogen:Thermal Conductivity detector（TCD） |
| Measurement range* | Oxygen:0-5%, Nitrogen:0-3% *Up to 100% wt is possible by decreasing the sample weight. |
| Sample weight | 1,0 ± 0,1g |
| Sensitivity(Minimum reading) | Oxygen/Nitrogen: 0.0000001%(m/m) |
| Accuracy**(Repeatability) | Oxygen/Nitrogen σn-1≦0.02%(m/m) or CV≦0.5% whichever is larger (Reference gas) σn-1≦0.3%(m/m) or CV≦1.0% whichever is larger (Standard sample) ** Based on the sample weight 1,0 ± 0,1g and with automation functions described below |
| Display | 1) Measurement result: LCD or printout 2) Alarm message: LCD or printout 3) Flow sheet: LCD |
| Power of furnace | Iner gas fusion in impulse furnace Enable to set the generating power 0 - 8,0kw |
| Sample introduction | Dual sample/flux introduction mechanism |
| Automation functions | Auto cleaner, Crucible loader |
| Integration conditions | Preset time integration Integration up to reach comparator level Preset time integration or integration up to reach comparator level, whichever is shorter |
| Sample ID | Enter up to 20 one-byte characters |
| Calibration | 1) One point or multi point calibration (Reference gas or standard samples) 2) Calibration using previous analysis data 3) Calibration curve correction function |
| Functions | 1) Display of realtime extraction curve 2) Analysis interruption 3) Self diagnosis and alarm display 4) Analysis of extraction curve (Superposition, difference etc analysis) 5) Out put (RC-232C or TCP/IP) |
| Dimensions | 750mm(H)×785mm(D)×653mm(W) Sample introduction is positioned at 650mm from table. |
| Weight | 230kg, On carrying, it is devided in two units (Under 140kg/unit) |
| Computer | PC model operating OS Windows® XP(SP2) and beyond |
| Power | Main unit: AC200/220/230/240V ± 10% Auto cleaner: AC100V (Step-down transformer) Frequency: 50/60 ± 1Hz |
| Electric power consumption | Main unit:12kVA (MAX) Auto cleaner: 1.5kVA (MAX) |
| Ground resistance | Less than 10Ω |
| Installation condition | Operation temperature: 5-40°C Performance temperature: 5-35°C Humidity: Maximal relative humidity 80％RH between 5-31℃, Linearly decrease down to 50％RH between 31-40℃ Vibration: Duplex amplitude 20micron and less than 0.098m/S2 accelerations at frequency band |
| Required gas | He carrier gas: Purity greater than 99.995%, Pressure 0.35MPa Stainless steel pipe(O.D.3mm) and suitable connecter fitting within 3m of unit Dry air or N2 as operating gas: Pressure 0.45MPa Nylon pipe(O.D.6mm) and suitable connecter fitting within 5m of unit |
| Cooling mechanism | Radiator unit (Separation type) |
| Electronic balance (Option) | Enable connection with electronic balance with 1-0,01mg minimum display |
| Optional automatic voltage regulator (AVR) | Capacity:15kVA Weight: 130kg |
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