| Measurement principle | Battery-powered zirconia oxygen analyzer |
|---|---|
| Type | Separate-type (converter: wall-mounted; sensor: direct insertion type) |
| Display system | 4-digit digital display (concentration display) |
| Measurement range | 0-1 / 10 / 100 / 1000ppm / 1 / 10 / 100vol% O2; 10-20 to 10-0atm Automatic/fixed range |
| Repeatability | Within ±0.5% of full scale; range of 0-1% or more Within ±1% of full scale or ±1ppm, whichever is larger; range of less than 0 to -1% Concentrations in the range of 0-1ppm are not under the warranty range |
| Sample gas requirements | Pressure: 10-3 - 200 KPa (absolute pressure) |
| Flow rate: 0.5-5,000mL/min or 0mL/min (measurement in state of natural dispersion) | |
| Humidity: Dew point below ambient temperature | |
| Temperature: 0-100ºC | |
| Others: Not to contain corrosive gas (fluorine gas, chlorine gas, sulfuric gas, etc.), gas containing organic silicone, flammable ingredients (including gas), oil or moisture | |
| Reference gas | Atmospheric air |
| Recorder output | Oxygen level output: 4-20m (choice between this and transmission output) Insulated, and load resistance of 550Ω 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 (choice between this and analog output) |
| Alarm output | FAIL (device error): 1 point Non-voltage contact; contact capacity: 30VDC/AC or less, 0.5A or less Contact point closes with device error (contact point operation adjustable) ALM (concentration alarm): 4 points (HH/H/L/LL) Non-voltage contact; contact capacity: 30VDC/AC or less, 0.5A or less Contact point closes with alarm (contact point operation adjustable) RDY (warmup signal): 1 point Non-voltage contact; contact capacity: 30VDC/AC or less, 0.5A or less * Minimum open/close capacity of the non-voltage contact point is 12V or higher; unable to respond to tiny loads MRK (range marker) output: 2 points Non-voltage contact; contact capacity: 30VDC/AC or less, 0.3A or less |
| Warmup time | Under 6 min. |
| Dimensions | Converter: 185(W)×155(H)×40(D)mm (excludes protruding parts) Sensor unit SD3/8R: Overall length 100mm (sensor Φ 11×37, body Φ 40×48.5) SD16NW: Overall length 100mm (sensor Φ 11×39, body Φ 40×51) SD25NW: Overall length 100mm (sensor Φ 11×42, body Φ 40×48) SD40NW: Overall length 100mm (sensor Φ 11×41, body Φ 40×49) |
| Weight | Converter: Approx. 1.2 kg; Sensor unit: Approx. 0.5 kg |
| External connection | Vacuum flange (NW16, 25 or 40) or R3/8 screw |
| Power | 24VDC±10%, 60VA (normal: 15VA or less) |
