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Product Details:
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| High Light: | dissolved oxygen sensor,handheld dissolved oxygen meter,portable dissolved oxygen meter |
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YSI 550A Instrument General Specifications
| Cables | 12, 25, 50, or 100- foot lengths | |
| Calibration | Push-button, built-in calibration chamber | |
| Certifications | CE, IP-67, High-impact resistance | |
| Dimensions | 11.9 cm width x 22.9 cm length (4.7 in x 9 in) | |
| Display | Large, backlit | |
| Medium | Fresh, sea, or polluted water | |
| Parameter Compensation |
Automatic temperature compensation for dissolved oxygen Automatic salinity compensation with manual salinity input from 0-70 ppt for dissolved oxygen Altitude compensation for calibration |
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| Power | 4 alkaline C-cells; Over 2000 hours at 25°C; Low battery indicator on display | |
| Warranty | 3-year instrument; 1-year DO module | |
| Weight with Batteries | 0.91 kg (2 lbs) | |
YSI 550A System Specifications (Instrument with Cable & Probe)
| Sensor Type | Range | Accuracy | Resolution | |
| Dissolved Oxygen (%) | Steady-state Polarographic | 0 to 500% air saturation | 0 to 200%: ±2% of reading or 2% air saturation, whichever is greater; 200 to 500%: ±6% of reading | 0.1% air saturation or 1%; selectable |
| Dissolved Oxygen (mg/L) | Polarographic | 0 to 50 mg/L | 0 to 20 mg/L: ± 0.3 mg/L or 2% of reading, whichever is greater; 20 to 50 mg/L: ±6% of reading | 0.01 mg/L or 0.1 mg/L; selectable |
| Temperature | Thermistor | -5 to 45°C | ±0.3°C | 0.1°C |
Ordering Guide
| Item # | Description |
| 550A-12, 25, 50 or 100 | Instrument with 12, 25, 50 or 100-foot cable and probe |
| 550A-12CC, 25CC, 50CC, or 100CC | Instrument with 12, 25, 50 or 100-foot cable and probe with carrying case |
| 5908 | Membrane kit, 1.25 mil PE (6 caps and bottle of KCl) |
| 559 | User-replaceable DO electrode |
Contact Person: Miss.
Tel: 10-65569770
Fax: 86-10-8563-2312
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