After-sales Service: | Following Updating |
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Warranty: | Under Discussion |
Weight: | 2.5kg |
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1.Adopting large dot-matrix LCD, it can display dissolved oxygen concentration value, dissolved oxygen saturation and temperature value (ºC) at the same time; |
2.Adopting single-chip microprocessor, accurate data processing; |
3.Support zero oxygen calibration and fullness calibration, manual atmospheric pressure compensation and automatic temperature compensation; |
4.Support storage and query function of measurement data, which can store 400 measurement data; |
5.Support automatic upper and lower limit alarm function and power failure protection function; |
6.With four control relays, supporting automatic cleaning and other functions; |
7. With (4~20) mA DC isolated signal output, output upper limit and output lower limit can be set arbitrarily; |
8.With RS-232 or RS-485 output interface (2 choose 1). |
Model | SJG-208 | |
Measuring range | Dissolved oxygen | (0.0~20.0)mg/L |
Dissolved oxygen saturation | (0.0~200.0)% | |
Temperature | (0.0~50.0)°C | |
Resolution | Dissolved Oxygen | 0.01 mg/L |
Dissolved Oxygen Saturation | 0.1% | |
Temperature | 0.1ºC | |
Instrument basic error | Dissolved Oxygen | ±0.50 mg/L |
Dissolved oxygen saturation | ±10.0% | |
Dissolved Oxygen | ±1.0°C | |
Instrument Repeatability | Not more than 0.20 mg/L | |
Instrument Stability | (±0.20mg/L)/24h | |
Basic Error of Electronic Unit | Dissolved oxygen | ±0.20mg/L |
Dissolved oxygen saturation | ±5.0% | |
Temperature | ±0.3ºC ±1 word | |
Stability of electronic unit | (±0.10mg/L)/24h | |
90% response time | Not more than 2min (20ºC) | |
Instrument protection grade | IP65 | |
Power supply | AC (220±22)V, (50±1)Hz; or DC 24V | |
Mounting bracket length (m) | 1, 1.5, 2 (1 meter and 1.5 need to be customized) | |
Signal cable length (m) | 8 | |
Dimensions (mm), Weight (kg) | 166 x 166 x 110, 2 | |
Opening size (mm) | 138×138 |